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2558A AC Voltage Current Standard User`s Manual

1. 7 6 5 4 3 2 1 0 Service request enable DE H register tg OR A H SS ty ty A MSS 7 6 ESBMAVIEES EAV 1 0 Status byte Ras 4 ry IY Y Service request occurrence Output Error L queue queue 7 6 5 4 3 2 1 O0 Standard event enable DE H register A i i tg OR A A A 7 6 5 4 4 3 2 1 0 Standard event register 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Extended event enable oa i register A t 4 ty a OR A ty tg tg A A 15 14 13 12 11 10 98 7 6 5 4 3 2 1 0 Extended event register K A A 15 14 13 12 11 10 98 7 6 5 4 3 2 1 0 Transition filter A AA 15 14 13 12 11 10 98 7 6 5 4 3 2 1 0 Condition register IM 2558A 01EN 14 1 syuodey snjejs 14 1 About Status Reports Overview of Registers and Queues Name Function Write Read Status byte Serial polling ROS STB MSS Service request enable Status byte mask SRE SRE register Standard event register Indicates device status changes ESR Standard event enable Standard event register mask ESE ESE register Extended event Indicates device status changes register STATu
2. IM 2558A 01EN uondo gi dd BH 11 2 Connecting to the GP IB Interface CAUTION Be sure to turn off the PC and the 2558A before you connect or remove communication cables Otherwise erroneous operation may result or the internal circuitry may break 11 4 IM 2558A 01EN 11 3 Configuring the 2558A GP IB Settings This section explains the following setting for controlling the 2558A remotely through a GP IB interface Procedure Setting the GP IB Address 5 Confirm the setting 2 Select GPIB These turn off when the setting is confirmed FREQUENCY PHASE GP b FREQUENCY am YAR pmi 3 Turn a dial to select ADRS dU Dorn 4 Set the address ad A oy MN Use the deviation dial 1 to set the tens digit MAX Use the deviation dial 2 to set the ones digit E 1 Select SETUP 7 Turn the FREQUENCY dial to select SETUP The indicator corresponding to the selected SETUP range illuminates and the frequency phase angle display area shows the SETUP menu 2 Turn the VARIABLE dial to select GPIB 3 Turn a main setting dial to select ADRS 4 Turnthe deviation dials to select the address When you change the setting all four preset indicators will illuminate 5 Flip the PRESET switch up or down The setting is confirmed and all the preset indicators turn off Command Type 8 Confirm the setting These turn o
3. 13 1 iere T CSC Do Tj os 13 3 DMder GROUP P 13 4 FREQUENCY co aa lit lavish iinet ia 13 5 OUTPUE SOU Bass nace 13 6 DEViation Reliure 13 7 SOURCE GIOUD s tcssstcis tx ctortete trat eozsses utes ibces tacisposie free tossetcieecPusL d cA III InM EID UELLE EE 13 8 STATUS GroUp iei tie c ei ette e ce GA A Geen eee 13 9 STRETOL o 13 10 S curuelso E aeea Eee aA EEE aa eE EESE EE aie E EE dA 13 11 Common Command Group sissien inerea anaa EEE raia 13 13 Chapter 14 Status Reports 14 1 14 2 14 3 14 4 14 5 About Status Reports eii eed Ita enantio 14 1 Status Byle ce tle cee ceed tUe oed a ire Lu d eti cxneutenss 14 3 Standard Event Register icc iei Ioue sancde dea dines ED ce Rete daa dea x ted 14 4 Extended Event Registe rssicon iiaeie aE eE aeaa eai ree eae aariat 14 5 Qutput ard Error Queues iioii ica Lione AE AEAEE ANES 14 6 Chapter 15 Troubleshooting Maintenance and Inspection 15 1 15 2 15 3 15 4 15 5 A 15 6 15 7 15 8 Troubleshooting ER O 15 1 Error Code Descriptions and Corrective Actions sssssssssssseeeee 15 2 Communication Error Messages sssrini ia ridna eara tenete rennen EEES EOR 15 3 Instrument Error Detection and Clearance ssssssssss
4. Current P ME 7 CUT output Amplitude an control block ain correction anes pespese ver value calculation E ee meme E EE Sine wave generation Phase angle shift Interval average d Current Full wave rectification Level PC ra normalization M lt 4 Apc lt Voltage Reference voltage Control panel control remote control The 2558A consists of a primary side that controls the oscillator output and a secondary side that is isolated by a transformer The oscillator signal the sine wave from the amplitude control block or from an external signal is multiplied by the digital signal from the amplitude control block and amplified by the voltage current amplifier to produce the voltage and current outputs In the case of voltage output the electrical potential at the LO terminal of the secondary side is used as a reference to detect the output voltage Then the detected value is A to D converted isolated by a photocoupler and fed back into the amplitude control block In the case of current output a current transformer is used to detect and isolate the output current Then l V conversion and A to D conversion is performed at the primary electric potential and the digital signal is fed back into the amplitude control block In the amplitude control block the target output level is set through the panel or remote control Smoothing is used to prevent output overshoot and transf
5. Current Range Selectable range Resolution 100 mA 0 mA to 120 00 mA 0 01 mA 1A O Ato 1 2000A 0 0001 A 10A 0 Ato 12 000 A 0 001 A 50A O A to 60 00 A 0 01A 1 Generates 144 of the range when used with deviation 2096 If you select the 300 V or 1000 V range the HIGH VOLTAGE indicator will illuminate even if the voltage or current output is off The voltage and current ranges are fixed The 2558A does not have an auto range feature When the power is turned on the setting that was used previously is restored If you change the voltage or current range when the output is on the output automatically turns off The ratio of the main setting value to the voltage or current range is passed on to the main setting value even after you change the voltage or current range Example If the main setting is 0 5 V 5096 at the 1 V voltage range and you change the voltage range to 10 V the main setting value will be 5 V Command Mnemonic gt gt SOURce FUNCtion VOLTage CURRent SOURce RANGe Voltage Current IM 2558A 01EN 6 3 4939 N oueanboauJ ay Buneuqije 2 6 4 Main Voltage and Current Settings Procedure Turn the main setting dials to set the voltage or current level to generate The main setting display shows the voltage or current level Example of setting 100 00 V sool Use each dial to set the corresponding digit or digits shown by the frames Carrying over and borrowing occurs au
6. 108 Example 10 V Selects the voltage or current range Explanation The selectable range and resolution vary depending on the specified range For details on the function see section 2 2 Voltage Range Range Selectable range Resolution 100 mV 0 mV to 120 00 mV 0 01 mV 1V 0 V to 1 2000 V 0 0001 V 10V 0 V to 12 000 V 0 001 V 100 V 0 V to 120 00 V 0 01 V 300 V 0 V to 360 0 V 0 1V 1000 V 0 V to 1200 0 V 0 1V 1 Generates 144 of the range when used with deviation 20 Current Range Range Selectable range Resolution 100 mA 0 mA to 120 00 mA 0 01 mA 1A O Ato 1 2000 A 0 0001 A 10A O Ato 12 000 A 0 001 A 50A 0 A to 60 00 A 0 01 A 1 Generates 144 of the range when used with deviation 20 If you select the 300 V or 1000 V range the HIGH VOLTAGE indicator will illuminate even if the voltage or current output is off The voltage and current ranges are fixed The 2558A does not have an auto range feature When the power is turned on the setting that was used previously is restored If you change the voltage or current range when the output is on the output automatically turns off The ratio of the main setting value to the voltage or current range is passed on to the main setting value even after you change the voltage or current range Example If the main setting is 0 5 V 5096 at the 1 V voltage range and you change the voltage range to 10 V the main setting value wil
7. IS 4S ERNEUDJIB This section describes the setup items and the limitations regarding the procedures It may not give a detailed explanation of the feature For a detailed explanation of the feature see chapter 2 Command Mnemonic gt gt Indicates a communication command that corresponds to some of the features described on the procedural explanation page Characters and Terminology Used in Procedural Explanations Dial and Switches Bold characters used in the procedural explanations indicate dials and switches on the panel viii IM 2558A 01EN Contents Checking the Contents of the Package ssssssssssssssssesseseenenere netten tenete nnne nr tss nn nnns ii Safety Precautions sia E eines ede ede Gb eosin elena iv Waste Electrical and Electronic Equipment c cccceceeecee cece eeeeeeeeeeeeseeaeceeeeceeaeeeeeeseeseeaeeeeees vii Conventions Used in This M nuali iiio iei eni Eee serit oet ctii iden Ehe ERO Ec Ee viii Chapter 1 Component Names and Functions 1 1 Parielis restet toti was ated REDE E estne piis ce Patcr teda utitur uade 1 1 1 2 Dial and Switches err ere ort eerte ree senna eae E EE Ue up ed NUR esu Duca 1 3 13 Digital Numbers and Characters ssssssssssssesssssseseee ener enne ntn 1 6 Chapter2 Features 2 1 System ConfIguratiOn 0 deii deer ERE Lectt idle rte dtes 2 1 2 2 GIU E 2 2 2 3 Snnmebn bIgcee E 2 4 24 Deviati
8. Range Generated The accuracy is according to section 16 2 Accuracy Output terminals Output terminal type Output LO terminal Voltage Plug in terminal safety terminal Current Large binding post Ground or not ground selectable Withstand voltage to ground when open 12 Vpk Displays Main setting display 5 digit LED display Output divider coefficient display 2 digit LED display for numerator and denominator Output display Displays nominal output value on the 5 digit LED display Unit display mV V mA A Hz Deviation value display 4 digit LED display Deviation preset values 5 2 0 OFF Other features SETUP Communication settings GP IB Ethernet Beep setting Self test Error log Product information display Sweep time setting Grounding setting 16 4 IM 2558A 01EN 16 4 External Input and Output Master Slave Synchronous Operation Input and Output Two terminals each four terminals total Item Specifications Input output voltage Frequency range Input impedance Output impedance 3 0 1 V rms sinusoidal 40 Hz to 1000 Hz Approx 1 MO Approx 50 O Terminal Frequency selection Internal oscillators EXT1 EXT2 Input cos l EXT1 Not used Used Used sin Q Not used Not used Used Output cos l Internal cos I signal Connect to input terminal cos I Connect to input terminal cos I sin Q Internal sin Q signal Connect t
9. Sections 1 2 5 7 and 6 7 REMOTE indicator Illuminates when the 2558A is in remote mode controlled through communications Sections 9 1 10 1 and 11 1 FREQUENCY PHASE section Sets and displays the frequency or phase angle Sections 1 2 5 2 and 6 2 OUTPUT indicator Displays the voltage current or frequency Sections 5 6 and 6 6 Main setting section Sets and displays the voltage or current level Sections 1 2 5 4 and 6 4 Output unit indicator Displays the output unit Am VAR xn 60 ogy ly EXT2PHaSE N MN eneaueney METER Jj x m RANGE dial Switches the voltage or current range Section 5 3 and 6 3 HIGH VOLTAGE indicator Illuminates when the RANGE dial is set to 300 V or 1000 V Section 5 3 and 6 3 FREQUENCY dial Switches the frequency Sections 5 2 and 6 2 Voltage terminals N Used to connect the included measurement leads Section 3 6 OUTPUT DIVIDER section Divides the voltage or current level or the frequency output gt Sections 5 5 and 6 5 Current terminals N Used to connect the included measurement leads Section 3 6 LO TO EARTH indicator Indicates the grounding state of the LO terminal Illuminates when SETUP EARTH is on Section 5 1 and 6 1 OUTPUT section Turns the voltage or current output on and off Sections 1 2 5 6 and 6 6 Switches remote mode controlled through communications to local
10. STATus QENable Sets or queries whether messages other than Function Syntax Example errors will be stored to the error queue STATus QENable lt Boolean gt STATus QENable STATUS QENABLE ON STATUS QENABLE gt STATUS QENABLE 1 STATus QMESsage Sets or queries whether message information will be attached to the response to the STATus ERRor query Function Syntax Example STATus QMESsage lt Boolean gt STATus QMESsage STATUS QMESSAGE OFF STATUS OMESSAGE gt STATUS QMESSAGE 0 IM 2558A 01EN 13 9 spuewwog a 13 9 SWEep Group The commands in this group deal with the sweep settings The command corresponds to the front panel SWEEP switch SWEep Function Queries all sweep settings Syntax SWEep SWEep DIRection Function Sweeps up or down or stops sweeping Queries the sweep state Syntax SWEep DIRection HOLD UP DOWN SWEep DIRection HOLD Sweeping is stopped UP Sweep up to the maximum scale value DOWN Sweep down to the minimum scale value Example SWEEP DIRECTION UP SWEEP DIRECTION gt UP SWEep TIMe Function Sets or queries the sweep time Syntax SWEep TIMe Time SWEep TIMe Time 16 32 64 S Example SWEEP TIME 16S SWEEP TIME gt 16 13 10 IM 2558A 01EN 13 10 SYSTem Group The commands in this group deal with communication ground condition and beep settings The commands correspond to the
11. The 2558A can transmit output values and output frequencies The 2558A can transmit panel setup parameters and the status byte The 2558A can transmit error codes when errors occur Ethernet Interface Specifications Item Specifications Electrical and mechanical IEEE802 3 compliant Simultaneous connections 3 Communication protocol TCP IP VXI 11 Transmission system Ethernet 100BASE TX 10BASE T Supported services DHCP VXI 11 Connector type RJ 45 Switching between Remote and Local Modes When Switching from Local to Remote Mode The 2558A switches to remote mode when it is in local mode and it receives a COMMunicate REMote ON command from the PC The REMOTE indicator illuminates All dials and switches are disabled except for the flipping of the OUTPUT switch to the LOCAL side to change the 2558A to local mode e Settings entered in local mode are retained even when the 2558A switches to remote mode When Switching from Remote to Local Mode When the 2558A is in remote mode and you flip the OUTPUT switch to the LOCAL side the 2558A switches to local mode However this does not work if the 2558A has received a COMMunicate LOCKout ON command from the PC The 2558A switches to local mode when it receives a COMMunicate REMote OFF command from the PC regardless of the local lockout state The REMOTE indicator turns off Dials and switches can be used Settings entered in remote mode are retai
12. 15 C to 60 C Humidity 20 RH to 80 RH no condensation Operating altitude 2000 m or less Installation location Indoors Orientation Horizontal Rated power supply voltage 100 VAC to 120 VAC 200 VAC to 240 VAC Permitted supply voltage range 90 VAC to 132 VAC 180 VAC to 264 VAC Rated power supply frequency 50 Hz 60 Hz Permitted power supply frequency range 48 Hz to 63 Hz Maximum power consumption Approx 200 VA Withstand voltage 1500 VAC for 1 minute between the power supply and case External dimensions 132 H x 426 W x 400 D mm Weight Approx 20 kg Safety standards Compliant standard EN 61010 1 Overvoltage Category II Pollution degree 22 Emissions Compliant standard EN61326 1 Class A EN61326 2 1 EN55011 Class A Group 1 EN61000 3 2 EN61000 3 3 RCM EN55011 Class A Group 1 Korea Electromagnetic Conformity Standard st ANUAS AI This product is a Class A for industrial environment product Operation of this product in a residential area may cause radio interference in which case the user will be required to correct the interference Cable conditions Signal output terminals OSC OUTPUT Use a BNC cable that is 3 m or less in length External signal input terminal EXT OSC INPUT Use a BNC cable that is 3 m or less in length Voltage terminals VOLTAGE Use the included measurement leads B8506WA red and black one pc each length 1 5 m Current terminal CURRENT Use the included measurement lead
13. Syntax STATus STATus CONDition Function Queries the contents of the condition register Syntax STATus CONDition Example STATUS CONDITION STATUS CONDITION 16 Description For information about the condition register see chapter 14 Status Reports STATus EESE Function Sets or queries the extended event enable register Syntax STATus EESE lt Register gt STATus EESE lt Register gt 0 to 65535 Example STATUS EESE 7659 STATUS EESE gt STATUS EESE 7659 Description For information about the extended event enable register see chapter 14 Status Reports STATus EESR Function Queries the contents of the extended event register and clears the register Syntax STATus EESR Example STATUS EESR gt STATUS EESR 1 Description For information about the extended event register see chapter 14 Status Reports STATus ERRor Function Queries the error code and message of the last error that has occurred top of the error queue Syntax STATus ERRor Example STATUS ERROR gt STATUS ERROR 113 Undefined header STATus FILTer Function Syntax Example Description For information about the transition filter see Sets or queries the transition filter STATus FILTer lt x gt BOTH FALL NEVer RISE STATus FILTer lt x gt x 1 to 16 STATUS FILTER2 RISE STATUS FILTER2 gt STATUS FILTER1 RISE chapter 14 Status Reports
14. a response message upon receiving the program message The 2558A returns a single response message in response to a single program message Program Messages The program message format is shown below O lt Program message unit gt lt PMT gt lt Program Message Unit gt A program message consists of one or more program message units Each unit corresponds to one command The 2558A executes the commands in the order that they are received Separate each program message unit with a semicolon For details on the program message syntax see the next section Example SOURCE FUNCtion VOLTag SOURce LEVel 15 i Unit Unit lt PMT gt This is a program message terminator The following three types are available NL new line Same as LF line feed ASCII code OAH END The END message as defined by IEEE 488 1 The data byte that is sent with the END message is the last data byte of the program message NL with an END message attached NL is not included in the program message Program Message Unit Syntax The program message unit syntax is shown below A NL Ei Z E d Program data Program header p Space Program Header The program header indicates the command type For details see section 12 2 Program Data Attach program data if there are conditions that are required to execute a command
15. 3 Remove the four seals covering the rack mount attachment holes The holes are on the sides of the instrument near the front 4 Place seals over the feet and handle attachment holes 5 Attach the rack mount kit to the instrument 6 Mount the instrument on a rack SS SS Pd How to remove a handle cover Note When rack mounting the instrument allow at least 5cm of space around the top panel outlet holes to prevent internal heating Allow at least 20 cm around the rear panel inlet holes t Make sure to provide adequate support from the bottom of the instrument The support should not block the inlet and outlet holes Store the removed parts in a safe place When rack mounting the instrument remove the feet from the rear of the instrument if they are coming into contact with the rack and are thus preventing you from rack mounting the instrument After you have rack mounted the instrument re attach the feet to the rear of the instrument Dials and current terminals protrude further out than the front panel position Make sure you do not hit them against the rack when mounting the instrument Do Not Install the Instrument in the Following Kinds of Places In direct sunlight or near heat sources In an environment with excessive amounts of soot steam dust or corrosive gas Near strong magnetic field sources Near high voltage equipment or power lines In an environment that is subject to large levels of mechanical v
16. 809 NS MN rsenueic sme ia ET Po VN Select SETUP How SETUP Menu Items Are Displayed When There Are No Items INIT Items are not displayed When There Is a Single Item SWEEP BEEP etc The appropriate item is displayed You do not use the main setting dials When There Are Multiple Items Turn a main setting dial to display the appropriate item You can use any of the main setting dials When a Single Item Has Four Sub Items LAN IP MASK etc Turn the right most main setting dial to display the four sub items of all items one at a time Example DHCP IP 0 IP 1 1IP 2 1P 3 MASK 0 MASK 1 Turn any of the other three main setting dials to display one of the four sub items of all items one at a time Example DHCP IP 0 MASK 0 GATE O IM 2558A 01EN 4 3 nua dNLIS eui esp o3 MOH 4 3 Entering and Displaying Values The following methods are available in entering and displaying values depending on the SETUP menu item Selecting parameters Entering values Displaying the log Executing a function Selecting Parameters Turn a deviation dial to select the parameter You can use either deviation dial Example ON OFF 16 s 32 s 64 s etc Entering Values Turn the deviation dials to enter a value Turn the deviation dial 1 to enter the tens digit Turn the deviation dial 2 to enter the ones digit The dial 2 changes the value by 1 The dial 1 changes the value by 1 o
17. BOOT or SER NO The product information is displayed Firmware FIRM Logic LOGIC and Boot BOOT Program Information The version of each item is displayed Display example 1 00 Firmware version Serial Number Information SER NO You can view the 2558A serial number To specify the serial number for USB communication use uppercase letters for the alphabet letters Display example 12AB34567 3455 1 IM 2558A 01EN 8 5 soJnjeeJ 19470 Chapter 9 9 1 USB Interface USB Interface Features and Specifications USB Interface Features Reception Feature With the exception of turning the power switch on and off you can use the reception feature to specify the same settings that you specify by using the front panel keys The 2558A can receive output requests for output values output frequencies panel setup parameters and error codes Transmission Feature The 2558A can transmit output values and output frequencies The 2558A can transmit panel setup parameters and the status byte The 2558A can transmit error codes when errors occur USB Interface Specifications Item Specifications Number of ports 1 Connector Type B connector receptacle Electrical and mechanical Complies with USB Rev 2 0 Supported transfer modes HS High Speed 480 Mbps and FS Full Speed 12 Mbps Supported protocols USBTMC USBA88 USB Test and Measurement Class Ver 1 0 PC system requireme
18. IM 2558A 01EN 13 13 spueululo2 13 11 Common Command Group RST Function Syntax Example Initializes settings RST RST Description All settings except communication settings are SRE Function Syntax Example Description STB Function Syntax Example Description reset to their factory default values For details on initialization see section 8 3 Sets or queries the service request enable register value SRE NRf SRE lt NRf gt 0 to 255 SRE 239 SRE gt 175 because the bit 6 MSS setting is ignored Specify the value as a sum of the values of each bit in decimal format For example specifying SRE 239 will cause the standard enable register to be set to 11101111 In this case bit 4 of the service request enable register is disabled This means that bit 4 MAV of the status byte register is not set to 1 even if the output queue is not empty Bit 6 MSS of the status byte register is the MSS bit itself and is therefore ignored The default value is SRE 0 all bits disabled Aquery using SRE will not clear the contents of the service request enable register For information about the service request enable register see section 14 1 Queries the Status Byte Register value STB STB gt 4 Asum of the values of each bit is returned as a decimal value Because the register is read without executing serial polling bit 6 is an MSS
19. Length 1 m Safety BNC cable 701903 1 BNC BNC Length 2m Safety terminal adapter set 758923 1 set Spring clamp type Red and black 1 pc each Safety terminal adapter set 758931 1 set Screw in type Red and black 1 pc each IM 2558A 01EN Safety Precautions This instrument is an IEC safety class instrument provided with a terminal for protective earth grounding The general safety precautions described herein must be observed during all phases of operation If the instrument is used in a manner not specified in this manual the protection provided by the instrument may be impaired YOKOGAWA assumes no liability for the customer s failure to comply with these requirements The following symbols are used on this instrument AN Warning handle with care Refer to the user s manual or service manual This symbol appears on dangerous locations on the instrument which require special instructions for proper handling or use The same symbol appears in the corresponding place in the manual to identify those instructions A Electric shock danger L Ground earth or functional ground terminal do not use this terminal as a protective ground terminal w Alternating current On power O Off power Power on state h I Power off state IM 2558A 01EN Safety Precautions Failure to comply with the precautions below could lead to injury or death or damage to the instrument Use the Instrum
20. Separate the program data from the header with a space ASCII code 20H If there are multiple sets of program data separate each set with a comma For details see section 12 4 Example SOURce LEVel 1A lt PMT gt Zu Header Data Response Messages The response message syntax is as follows ae lt Response message unit gt po lt RMT gt lt Response Message Unit gt A response message consists of one or more response message units Each unit corresponds to one response Separate each response message unit with a semicolon For details on the response message syntax see the next page Example Unit 1 L SOURCE FUNCTION VOLTAGE r RANGE 100V Unit 2 lt RMT gt RMT is a response message terminator It is NL END IM 2558A 01EN 12 1 M9IAJ9AQ BuruiureJ604gd H 12 1 Messages Response Message Unit Syntax The response message unit syntax is as follows Response data lii dd Response header 4 Space Response Header A response header sometimes precedes the response data Separate the data from the header with a space For details see section 12 3 Response Data Response data contains the content of the response If there are multiple sets of response data separate each set with a comma For details see section 12 3 Example 100 00E 03 RMT SOURCE FUNCTION VOLTAGE RMT Data Header Data If there are multipl
21. are used There are no limitations on the commands that can be used at power up 5 Message exchange options a Input buffer size 1024 bytes b Queries that return multiple response messages See the example of the commands given in chapter 13 c Queries that create response data when the command syntax is being analyzed All queries create response data when the command syntax is analyzed d Queries that create response data during reception There are no queries of which the response data are created upon receiving a send request from the controller e Commands that have parameters that restrict one another See the example of the commands given in chapter 13 6 Items that are included in the functional or composite header elements constituting a command See chapters 12 and 13 7 Buffer sizes that affect block data transmission When block data is being transmitted the output queue is expanded to match the size of the data that is being transmitted 8 A list of program data elements that can be used in equations and their nesting limitations Equations cannot be used 9 Syntax of the responses to queries See the example of the commands given in chapter 13 10 Communication between devices that do not follow the response syntax Not supported 11 Size of the response data block 0 12 A list of supported common commands See section 13 12 Common Command Group 13 Device condition after a successful cali
22. calibration Use the voltage current and phase values on the reference power meter not the 2558A App 4 IM 2558A 01EN Appendix 4 Phase Shift Feature Phase Shift Feature When the Frequency Is Set to EXT2 When EXT2 is selected the 2558A generates voltage or current by adjusting the amplitude on the basis of a signal computed by Ixcos q Qxsin where is the phase setting Here when q is 0 or 180 sin q becomes 0 so the Q signal is not used When q is 90 cos q becomes 0 so the signal is not used Phase When the Frequency Is Set to EXT1 To produce a behavior that is close to the predecessor model 2558 the phase when EXT71 is selected will correspond to a phase setting of 180 for when EXT2 is selected In this case because the Q signal is not used operation at the same frequency is possible simply through the connection of the signal If an external oscillator is not used two 2558As are synchronized according to section 7 2 and EXT1 is selected on the slave device the output phase of the slave device will be approximately the opposite to the output phase of the master device IM 2558A 01EN App 5 H xipueddy Appendix 5 Factory Default Settings Item Factory Default Initialized by Setup Value Saved When Powered Off Value Initialization or RST Output OFF Yes No Voltage and current ranges 1V Yes Yes Main setting 0 0000 Yes No the
23. ze wo DOWN sweep Flip down IM 2558A 01EN 6 9 4939 N oueanbauJ ay Bureuqije 6 8 Sweeping Explanation Sweep Time Taking the frequency span to be 100 set the time to sweep the output from O to 100 The frequency span is the difference between FREQUENCY METER MAX and MIN The sweep range is 0 to 120 of the main setting value but the sweep time is the time for the output to swept from 0 to 100 Therefore the time needed to sweep the entire range is 140 of the specified time The available settings are 16 s 32 s or 64 s You cannot specify any other value For example if you select 16 s the 2558A will sweep the frequency from 0 to 100 in 16 s The time it takes to sweep from 20 to 120 is 22 4 s The default sweep time is 16 s UP sweep DOWN sweep a 9 120 se eno cae ns eee eno teers nas 2 120 S E d i Ej 100 eee amp 1005 H amp Li Li 6 l o 0 i 0 l EEE 20 i i 20 3 2s 19 2s 224s 3 2 s 19 2s 22 4s Ee 4 Sweep time 16 s Sweep time 16 s Sweep Direction UP Sweeps toward larger values of the meter DOWN Sweeps toward smaller values of the meter HOLD Stops sweeping and holds the output value Normal operation To sweep up from 0 set the output divider value n to 0 and the deviation to 0 For the procedure see sections 6 5 and 6 7 Sweeping will stop if you change
24. A instrument This symbol appears on the instrument to indicate that the user must refer to the user s manual for special instructions The same symbol appears in the corresponding place in the user s manual to identify those instructions In the user s manual the symbol is used in conjunction with the word WARNING or CAUTION Yel Calls attention to actions or conditions that could cause serious or fatal injury to the user and precautions that can be taken to prevent such occurrences CAUTION Calls attention to actions or conditions that could cause light injury to the user or cause damage to the instrument or user s data and precautions that can be taken to prevent such occurrences Note Calls attention to information that is important for the proper operation of the instrument Characters That Appear on the 7 Segment LED Because this instrument uses a 7 segment LED display numbers letters and mathematical symbols are displayed using special characters For details see section 1 3 Digital Numbers and Characters Symbols and Conventions Used in Procedural Explanations The contents of the procedural explanations are indicated using the following symbols Carry out the procedure according to the step numbers All procedures are written under the assumption that you are starting operation at the beginning of the procedure so you may not need to carry out all the steps in a procedure when you are changing the settings
25. Approx 6 mA Approx 6 mQ AC Current Range Output range Guaranteed Resolution Maximum Output Accuracy Range 100 mA 0 mA to 144 00 mA 196 to 12096 10 pA Approx 15 V 1A OAto 1 4400A 196 to 12096 100 pA Approx 15 V 10A OAto 14 400A 196 to 12096 1mA Approx 3 V 50A OAto 72 00 A 1 to 120 10 mA Approx 0 6 V 1 With the voltage or current at 1 to 120 of the range 2 When 758933 or 758917 is in use excluding aging and the effects of measurement leads IM 2558A 01EN 16 1 a suoneoyi2ods 16 2 Accuracy Item Specifications AC Voltage Conditions Frequency Using the internal oscillator Temperature humidity 23 C 3 C 2095 RH to 8096 RH When the temperature is in the range of 5 C to 20 C or 26 C to 40 C add the temperature coefficient Output terminals LO terminal grounding Measurement bandwidth Up to 50 kHz Output range 10 to 120 of range Range Display Accuracy 180 days of Setting of Range Resolution 50 Hz 60 Hz 40 Hz Sf lt 400 Hz 400 Hz f S 1 kHz 100 mV 10 pV 1V 100 pV 10V 1 mV 100 V fo mv 0 03 0 01 0 05 0 01 0 10 0 02 300 V 10 mV 1000 V 100 mV 1 Excludes voltage drop due to the output resistance 2 Add 0 01 of Setting for the 1 year accuracy Output range 1 to 10 of range Range Display Accuracy 180 days of Range Resolutio
26. INPUT thf Py eq m 3 0 1 Vrms 40 1000Hz Input Section EXT OSC INPUT Input voltage 3 0 1 Vrms sine wave Frequency range 40 Hz to 1000 Hz Input resistance Approx 1MO There are two ways to apply external signals Connecting an external oscillator Set the frequency to EXT1 For details see section 2 2 and Selecting External Oscillator EXT 1 in section 5 2 Connecting another 2558A as the master oscillator synchronous operation Set the frequency to EXT2 PHASE For details see section 2 2 and Selecting External Oscillator EXT2 in section 5 2 For details on the connection for synchronous operation see section 7 2 IM 2558A 01EN uoneJedo snouoiysuAs a 7 1 External Signal Input and Internal Signal Output Internal Signal Output CAUTION Do not short or apply external voltage to the output Connect to the corresponding external input terminals on the other 2558A see section 7 2 66 wat 3 Vms Output Section OSC OUTPUT Output voltage 3 0 1 Vrms sinusoidal Frequency range 40 Hz to 1000 Hz Output resistance Approx 500 If the frequency is set to EXT1 or EXT2 these terminals output the signal connected to EXT OSC INPUT IM 2558A 01EN 7 2 Synchronous Operation This section explains how to synchronize three 2558As Connecting the 2558As 7 Using BNC cables connect the OSC OUTPUT and Q signals from the 2558A that will be the master device to the EXT
27. OSC INPUT and Q connectors on the first slave 2558A 2 Using BNC cables connect the OSC OUTPUT I and Q signals from the first slave 2558A to the EXT OSC INPUT I and Q connectors on the second slave 2558A OSC OUTPUT OSC OUTPUT EXT OSC INPUT EXT OSC INPUT EXT OSC INPUT 2558A Master 2558A Slave1 2558A Slave2 Setup example Setup example Setup example Frequency set to 60 Hz Frequency set to EXT2 Frequency set to EXT2 Configuring the Master 2558A Turn the FREQUENCY dial to select 60 Hz See Selecting a Fixed Frequency 50 Hz 60 Hz or 400 Hz in section 5 2 Configuring the Slave 2558As 7 Turn the FREQUENCY dial to select EXT2 PHASE See Selecting External Oscillator EXT2 in section 5 2 2 f necessary adjust the phase angle See Selecting External Oscillator EXT2 in section 5 2 Explanation OSC OUTPUT Signal and the Phase of Voltage or Current Output If you configure a 2558A to use the internal oscillator with the FREQUENCY dial the 2558A will output a cosine signal of the internal two phase oscillator from the OSC OUTPUT connector and a sine signal from the Q connector In this case the amplitude of the voltage or current output is adjusted on the basis of the cosine signal so the phase will be close to the cosine signal but the phase of the circuit will be added to it If you select EXT1 or EXT2 with the FREQUENCY dial the 2558A will output the EXT OSC INPUT and Q signals from the corresponding O
28. Standard AS Standard GB Standard NBR Standard A1006WD A1009WD A1054WD A1024WD A1064WD A1088WD D l NN Measurement lead Measurement lead Alligator clip Rubber leg cap User s manual set 758933 set B8506WA adapter set 758929 A9088ZM gt lt gt Make sure that the attached power cord meets the designated standards of the country and area that you are using it in ii IM 2558A 01EN Checking the Contents of the Package Optional Accessories Sold separately The following optional accessories are available for purchase separately For information about ordering accessories contact your nearest YOKOGAWA dealer Item Model Part No Min Q ty Note Measurement lead set 758933 1 set Safety terminal cable Length 1 m Rating 1000V Measurement lead set B8506WA 1 set Current output cable Length 1 5 m Measurement lead set 758917 1 set Safety terminal cable Length 0 75 m Alligator clip adapter set 758922 1 set Safety terminal to alligator clip adapter Red and black 1 pc each Rating 300 V Alligator clip adapter set 758929 1 set Safety terminal to alligator clip adapter Red and black 1 pc each Rating 1000V High voltage alligator clip B8099RC 1 Black Rating 5000 V B8099RD 1 Red Rating 5000 V Fork terminal adapter set 758921 1 set Safety terminal to fork terminal adapter Conversion adapter 758924 1 BNC to binding post adapter Safety BNC cable 701902 1 BNC BNC
29. The command returns 9 9E 37 if the input is outside the range or cannot be measured IM 2558A 01EN 13 5 spuewwog 13 5 OUTPut Group The command in this group deals with the output on off setting The command corresponds to the front panel OUTPUT switch OUTPut STATe Function Sets or queries the output s on off state Syntax OUTPut STATe Boolean OUTPut ON 1 Enabled OFFJ0 Disabled Example OUTPUT ON OUTPUT gt OUTPUT 1 13 6 IM 2558A 01EN 13 6 DEViation Group The commands in this group deal with deviation and preset settings The commands correspond to the front panel deviation dial and PRESET switch DEViation Function Queries all deviation settings Syntax DEViation DEViation VALue Function Sets or queries the deviation Syntax DEViation VALue lt Percentage gt MINimum MAXimum DEViation VALue Percentage 20 00 PCT to 20 00 PCT Example DEVIATION VALUE 20 00 DEVIATION VALUE 20 00 DEViation PRESet Function Sets or queries the preset value Syntax DEViation PRESet lt Percentage gt OFF DEViation PRESet Percentage 0 2 5 PCT OPCT 0 2PCT 2 5PCT 5 OFF Presets are not used Example DEVIATION PRESET 0 DEVIATION PRESET gt 0 IM 2558A 01EN 13 7 spuewwog a 13 7 SOURce Group The commands in this group deal with voltage and current range settings and output display The commands correspond to
30. be complete However these attempts may not always be successful In addition if such a message contains queries the 2558A may not necessary return responses Deadlock The 2558A can store at least 1024 bytes of messages in its transmit and receive buffers the number of available bytes varies depending on the operating conditions If both the transmit and receive buffers become full at the same time the 2558A will no longer be able to operate This condition is called a deadlock If this happens you can resume operation by discarding response messages Deadlock will not occur if the program message including the lt PMT gt is kept below 1024 bytes Program messages that do not contain queries never cause deadlocks 12 2 IM 2558A 01EN 12 2 Commands Commands There are three types of commands program headers that a controller may send to the 2558A The commands differ in their program header formats Common Command Header Commands that are defined in IEEE 488 2 1992 are called common commands The common command header syntax is shown below Be sure to include an asterisk at the beginning of a common command NE neg Common command example CLS Compound Header Commands other than common commands that are specific to the 2558A are classified and arranged in a hierarchy according to their functions The compound header syntax is shown below Be sure to use a colon to specify a l
31. can check what types of events have occurred For example if a value of 32 is returned this indicates that the standard event register is set to 00100000 This means that the SRQ occurred due to a command syntax error Aquery using ESR will clear the contents of the Standard Event Register For information about the standard event register see section 14 3 IDN Function Syntax Example Description OPC Function Syntax Example Description OPC Function Syntax Example Description OPT Function Syntax Example Description Queries the instrument model IDN IDN YOKOGAWA 2558A 123456789 1 01 The information is returned in this form manufacture model serial number gt firmware version For details on the model see Checking the Package Contents Sets bit 0 the OPC bit of the standard event register to 1 upon the completion of the specified overlap command OPC OPC The 2558A does not have overlap commands The OPC bit is always set to 1 Returns ASCII code 1 when the specified overlap command is completed OPC SOPO gt tL The 2558A does not have overlap commands This command always returns 1 Queries the installed options OPT OPT gt Cl The command returns the presence or absence of GP IB C1 The OPT query must be the last query of a program message An error occurs if there is a query after the OPT query
32. decimal place depends on the range setting Frequency Mode 50 Hz Yes Yes VAR 50 000 Hz Yes Yes MIN 45 000 Hz Yes Yes MAX 65 000 Hz Yes Yes Divider n 10 Yes No output m 10 Yes Yes Presets 096 Yes No Deviation 0 0096 Yes No Phase angle 0 000 Yes Yes Sweeping HOLD Yes No BEEP ON Yes Yes SWEEP TIME 16s Yes No GP IB Address 1 No Yes Type NORMAL No Yes LAN DHCP ON No Yes IP address 192 168 0 1 No Yes Subnet mask 255 255 255 0 No Yes Gateway address 0 0 0 0 No Yes App 6 IM 2558A 01EN Appendix 6 About the IEEE 488 2 1992 Standard The 2558A s GP IB interface conforms to the IEEE 488 2 1992 standard This standard specifies that the following 23 items be stated in the document This section describes these items 1 Of the IEEE 488 1 interface functions the subsets that are supported See section 11 1 GP IB Interface Features and Specifications 2 The operation of the device when it is assigned an address outside the 0 to 30 range The address of this instrument cannot be set to an address outside the 0 to 30 range 3 Reaction of the device when the user changes the address The address change is detected when the user uses the FREQUENCY dial and changes the address on the GPib menu The new address is valid until the next time it is changed 4 Device settings at power up The commands that can be used at power up As a basic rule the previous settings the settings that were in use when the 2558A was turned off
33. display area shows the SETUP menu 2 Turn the VARIABLE dial to select TEST 3 Flip the PRESET switch up or down The self test starts Explanation While the self test is in progress the test item is displayed on the deviation display When a self test completes successfully the OUTPUT display shows DONE If an error is detected the display shows the error code The deviation display will show EXIT If you flip the PRESET switch up or down the OUTPUT display is cleared and the deviation display returns to the original EXEC display For details on error codes see section 15 2 Displays the self test item Displays the self test result Normal completion DONE Error detected Error code Test Items Cooling fan Voltage and current ranges Internal circuit 15 8 IM 2558A 01EN 15 6 Cleaning the Filter A CAUTION If the filter attached to the Inlet holes is dirty the air intake may be obstructed causing the instrument to heat up and break down There is a filter attached to the Inlet holes on the rear panel of the 2558A Check the filter periodically to see that it is not clogged Removing the Filter 7 Turn off the 2558A 2 Pull the lock buttons at the left and right edges of the filter cover toward you Pull them until you hear a click This will release the lock Lock buttons ORS NUT ls oS KS 3 Pull the filter cover toward you The filter cover will come off 4 Remove the fil
34. gt 4 Description You cannot specify a value greater than the value you specified with the DIVider DENominator command denominator 13 4 IM 2558A 01EN 13 4 FREQuency Group The commands in this group deal with the frequency settings The commands correspond to the front panel FREQUENCY dial FREQuency Function Queries all frequency settings Syntax FREQuency FREQuency EXTernal PHASe Function Sets or queries the phase angle when EXT2 is selected Syntax FREQuency EXTernal PHASe lt Phase gt MINimum MAXimum FREQuency EXTernal PHASe Phase 180 000 to 359 999 Example FREQUENCY EXTERNAL PHASE 50 000 FREQUENCY EXTERNAL PHASE gt 180 000 FREQuency FUNCtion Function Sets or queries the frequency selection Syntax FREQuency FUNCtion lt Frequency gt VAR EXT1 EXT2 FMIN FMAX FREQuency FUNCtion Frequency 50 60 400 50 Hz Fixed to 50 Hz internal frequency 60 Hz Fixed to 60Hz internal frequency 400 Hz Fixed to 400Hz internal frequency VAR Variable internal frequency EXT1 External oscillator input EXT2 External oscillator input phase angle FMIN Minimum scale value of the frequency meter FMAX Maximum scale value of the frequency meter Example FREQUENCY FUNCTION FMIN FREQUENCY FUNCTION FMIN FREQuency INTernal FMETer MAXimum Function Sets or queries the maximum scale value of the frequency meter Syntax REQuency INTernal FMET
35. held IM 2558A 01EN 8 1 soJnjeeJ 19470 8 2 Error Log Display Displaying the Error Log 2 Select ERROR FREQUENCY PHASE Error ap VAR EXT 3 Turn a dial to select LOG 4 Turn either dial to 50 EXT2 PHASE select the log entry to display 80 Ch MIN Frequency Ww v lt 1 Select SETUP 7 Turn the FREQUENCY dial to select SETUP The indicator corresponding to the selected SETUP range illuminates and the frequency phase angle display area shows the SETUP menu 2 Turn the VARIABLE dial to select ERROR 3 Turn a main setting dial to select LOG 4 Turn a deviation dial to select the error log entry to display If there are no error log entries NO is displayed If there are an error code is displayed Clearing the Error Log 6 Execute the clear operation FREQUENCY PHASE Error lt gt 5 Turn a dial to select CLEAR 5 Turn a main setting dial to select CLEAR 6 Flip the PRESET switch up or down The error log is cleared 8 2 IM 2558A 01EN 8 2 Error Log Display Explanation Displaying the Error Log If there are error log entries the deviation display shows an error code If there are other error codes turning a deviation dial shows the other error codes one by one in order The output display shows the total number of error log entries and which error code is being displayed Error code Error log entry number Indicates the total number of
36. instrument receives an incorrect program message from the controller the error number 113 and the error message Undefined header are stored in the error queue when the instrument displays the error message You can use the STATus ERRor query to read the contents of the error queue Like the output queue the messages in the error queue are read from the oldest one first If the error queue overflows the last message is replaced with the following message 350 Queue overflow The error queue is cleared in the following cases When a CLS command is received When the 2558A is restarted You can determine whether or not the error queue is empty by checking bit 2 EAV in the status byte 14 6 IM 2558A 01EN Chapter 15 Troubleshooting Maintenance and Inspection 15 1 Troubleshooting Faults and Corrective Actions If an error code appears on the output display see section 15 2 If servicing is necessary or if the instrument does not operate properly even after you have attempted to deal with the problem according to the instructions in this section contact your nearest YOKOGAWA dealer Problems and Solutions Refer to Section Nothing appears on the 7 segment LED display when you turn on the power Securely connect the power cord to the instrument and to the power outlet 3 3 Set the supply voltage and frequency to within the permitted range 3 3 The output does not turn on Confirm
37. menu GP IB and Ethernet settings are not initialized For a list of factory default settings see appendix 5 Product Information Display You can view the firmware version serial number and so on You can view the product information from the SETUP menu Firmware version Logic program version Boot program version Serial number IM 2558A 01EN 2 9 Chapter3 Preparation 3 1 Handling Precautions Safety Precautions If you are using the 2558A for the first time make sure to read Safety Precautions on pages iv to vi Do Not Remove the Case Do not remove the case from the instrument Some parts of the instrument use high voltages and are extremely dangerous For internal inspection and adjustment contact your nearest YOKOGAWA dealer Unplug If Abnormal Behavior Occurs If you notice smoke or unusual odors coming from the instrument immediately turn off the power and unplug the power cord Also turn off the power to the target device that are connected to the output terminals Then contact your nearest YOKOGAWA dealer Do Not Damage the Power Cord Nothing should be placed on top of the power cord The power cord should also be kept away from any heat sources When removing the plug from the power outlet do not pull on the cord Pull from the plug If the power cord is damaged purchase a replacement with the same part number as the one indicated on page ii Correct the Problem If Output Is Forcibly Tur
38. mode Sections 9 1 10 1 and 11 1 Power switch Turns the output on and off Section 3 4 SWEEP section Performs up or down sweeps Sections 1 2 5 8 and 6 8 IM 2558A 01EN 1 1 suonoun pue sauiewN zusuodwog 1 1 Front Panel Rear Panel and Top Panel Rear Panel GP IB connector option Used to control the 2558A from a PC Section 11 2 Ethernet port Used to connect the 2558A to a network 10BASE T 100BASE TX Section 10 2 USB port Used to connect the 2558A to a PC that has a USB interface and to control the 2558A with USB TMC commands Section 9 2 External signal input terminal A Used to generate voltage or current on the basis of an external oscillator frequency or synchronize multiple 2558As Section 7 1 and 7 2 Inlet holes Signal output terminals N Section 3 2 Used to synchronize multiple 2558As Sections 7 1 and 7 2 Power inlet A Connect the power cord Section 3 3 Top and Bottom Panels Top panel Bottom panel Outlet holes Section 3 2 1 2 IM 2558A 01EN 1 2 Dial and Switches FREQUENCY PHASE Section The FREQUENCY PHASE section consists of a cursor switch lt gt a VARIABLE dial a 6 digit FREQUENCY PHASE display and a unit indicator These controls work differently depending on the FREQUENCY dial setting FREQUENCY PHASE display Displays the set frequency set phase angle or measured frequency The following setting valu
39. n of the divider value The range is 0 to m C m dial Sets the denominator m of the divider value The range is 4 to 15 Turning the m dial resets numerator n to the denominator m value m display Indicates the denominator of the divider value IM 2558A 01EN 1 5 suonoun pue sauiewN 3ueuodujo 1 3 Digital Numbers and Characters Because this instrument uses a 7 segment LED display numbers letters and mathematical symbols are displayed using special characters in the manner shown below Some of the characters shown below are not used by this instrument Li ri m 0 Lu A RH K r U u power 11 BH ELT vH 2 g C L lowercase c c M n wo 334 Dod N n xoi 4 M EE On You 5 5 FF pP Z z 6h Gol a gt IL c1 H H lowercase h gt Rr 8 H i3 S35 x gt HI 985 Ju TE tL IM 2558A 01EN Chapter 2 2 1 Features System Configuration Communication interface i L i i L i i i i Command control i i L i L i i i j EXT1 EXT2 I cos EXT OSC Exr2 Q sin 2558A Slave VOLTAGE CURRENT OUTPUT OUTPUT Hi Lo Hi Lo DUT output target IM 2558A 01EN 2 1 saJnjeoJ 2 2 Output CAUTION When voltage or current is being generated if a load that would cause the range generated indicated below to be exceeded is connected the instrument will detect the abnormal load and turn off the output Voltage Range and Range Gen
40. on Connection Besureto insert the USB cable connector firmly into the USB port f you are connecting multiple devices by using a USB hub connect the 2558A to the USB hub port that is closest to the port that the controller is connected to Do not connect or remove the USB cable from the time when the 2558A is turned on until operation becomes available approximately 20 to 30 seconds Doing so may damage the 2558A Note Only use one communication interface USB GP IB or Ethernet If you send commands simultaneously from more than one communication interface the 2558A will not execute the commands properly Install the YOKOGAWA USB TMC Test and Measurement Class driver on your PC For information about how to obtain the YOKOGAWA USB TMC driver contact your nearest YOKOGAWA dealer You can also access the YOKOGAWA USB driver download web page and download the driver http tmi yokogawa com Do not use USB TMC drivers or software supplied by other companies IM 2558A 01EN Chapter 10 Ethernet Interface 10 1 Ethernet Interface Features and Specifications Ethernet Interface Features Reception Feature With the exception of turning the power switch on and off you can use the reception feature to specify the same settings that you specify by using the front panel keys The 2558A can receive output requests for output values output frequencies panel setup parameters and error codes Transmission Feature
41. panel DCL Device Clear The same operation as the SDC message SPE Serial Poll Enable Sets the talker function on all devices on the bus to serial polling mode The controller will poll each device one by one SPD Serial Poll Disable Clears the serial polling mode of the talker function on all devices on the bus PPU Parallel Poll Unconfigure is not supported What Are Interface Messages Interface messages are also referred to as interface commands or bus commands They are commands that are issued by the controller They are classified as follows Uni line Messages A single control line is used to transmit uni line messages The following three types are available IFC Interface Clear REN Remote Enable IDY Identify IM 2558A 01EN uondo gi dD BH 11 4 Responses to Interface Messages Multi line Messages Eight data lines are used to transmit multi line messages The messages are classified as follows Address Commands Some address commands are valid when a device is designated as a listener and some are valid when it is designated as a talker The following five commands are available Commands available to a device designated as a listener GTL Go To Local SDC Selected Device Clear PPC Parallel Poll Configure GET Group Execute Trigger Commands available to a device designated as a talker TCT Take Control Universal commands Universal commands are available to all devi
42. place a colon in front of the simple header this colon cannot be omitted Example SOURce LEVel 1A OUTPut ON When Concatenating Common Commands Common commands that are defined in IEEE 488 2 1992 are independent of hierarchy A colon is not needed before a common command Example SOURce RANGe 10A CLS SOURce LEVel 1A lt PMT gt When Separating Commands with lt PMT gt If you separate two commands with a terminator two program messages will be sent Therefore the common header must be specified for each command even when commands belonging to the same command group are being concatenated Example FREQuency INTernal FMETer MINimum 40Hz FREQuency INTernal FMETer MAXimum 400Hz IM 2558A 01EN 12 3 M9IAJ9AQ BuruiureJ604gd 12 2 Commands Upper level Query An upper level query is a query that is made by appending a question mark to the highest level command of a group The controller can receive all of the settings in a group collectively by executing an upper level query Some upper level queries of a group which may be comprised of more than three hierarchical levels can cause the 2558A to transmit all the lower level settings Example FREQUENCY PMT gt FREQUENCY FUNCTION 60 INTERNAL VARIABLE 50 000 FMETER MAXIMUM 100 000 MINIMUM 60 000 FREQUENCY EXTERNAL PHASE 0 000 lt PMT gt The response to an upper level query can be sent back to the 2558A as a program message This enab
43. rear panel of the master 2558A to the external input terminals I and Q of the slave 2558A OSC OUTPUT OSC OUTPUT OSC OUTPUT EXT OSC INPUT EXT OSC INPUT EXT OSC INPUT 2558A Master 2558A Slave1 2558A Slave2 Setup example Setup example Setup example Frequency set to 60 Hz Frequency set to EXT2 Frequency set to EXT2 2 8 IM 2558A 01EN 2 7 Other Features Turning the Beep Sound On and Off Beeps are used to indicate the operation status of the device You can turn it on and off from the SETUP menu You can turn the beep sound on or off for the following notifications You cannot change the volume When an error is detected during a self test executed at power on or executed manually error codes E 911 to E950 When the voltage output is set to 150 V or higher When a sweep operation is held soinjeo4 You can not turn off the beep sound for the following notifications When the cooling fan stops error code E 901 When an abnormal temperature is detected error code E 902 to E 903 When an internal power supply error is detected error code E 904 Error Log Display The error log keeps a record of error codes that occur in communication and self tests while the 2558A is on You can display the error log from the SETUP menu The error log is cleared when the power is turned off Initialization You can initialize the 2558A settings to their factory defaults You can execute initialization from the SETUP
44. the 2558A outputs a value that is larger by the main setting value x the deviation A negative deviation means that the meter needle is indicating a value less than the 2558A output Example If the main setting is 100 V the divider value is 5 10 and the deviation is 196 you will obtain the following result Deviation 100 x 0 01 21V Because the divider value is 5 10 the output value is 50 V the deviation 1 V which is 51 V f you change the main setting or the divider value the value set with the deviation dial will be cleared Ifthe preset is set to 0 2 or 5 and you change the main setting or the denominator m of the output divider the deviation will be cleared If you change the numerator n the deviation is set based on the preset setting You cannot control this setting while a sweep is in progress If the output range is exceeded the display blinks 5 10 IM 2558A 01EN 5 7 Finely Adjusting the Output Deviation and Preset Selectable range 20 00 to 20 0095 Resolution 0 0196 Deviation target Voltage or current output Frequency if FREQUENCY METER is selected in the frequency settings Preset When you change the numerator n of the output divider feature the deviation is set to a value based on the change in n and the preset When you calibrate a meter you will change the numerator n of the output divider feature to move the calibration point A preset is used to take the meter error or
45. the front panel RANGE dial main setting dial and OUTPUT display SOURCe Function Queries all source settings Syntax SOURCe SOURce FUNCtion Function Sets or queries the source function voltage current Syntax SOURCe FUNCtion VOLTage CURRent SOURce FUNCtion VOLTage Voltage CURRent Current Example SOURCE FUNCTION VOLTAGE SOURCE FUNCTION VOLTAGE SOURCe LEVel Function Sets or queries the main setting Syntax SOURce LEVel lt Current gt Voltage MINimum MAXimum Voltage Voltage value Current Current value MINimum Minimum within the selectable range MAXimum Maximum within the selectable range Example SOURCE LEVEL 1A SOURCE LEVEL SOURCE LEVEL 1 0000E 00 Description Before setting Voltage use the SOURce FUNCtion command to set the source function to voltage Before setting Current use the SOURce FUNCtion command to set the source function to current If you set a main setting of a different source function a 131 Invalid suffix error will occur The selectable range varies depending on the voltage or current range setting SOURce RANGe Function Syntax Example Description Sets or queries the voltage or current range SOURce RANGe lt Voltage gt lt Current gt SOURCe RANGe Voltage 100 mV 1 10 100 300 1000 V Current 100 mA 1 10 50 A SOURCE RANGE 1V SOURCE RANGE SOUR
46. to frequencies MIN Lower frequency limit MAX Upper frequency limit Upper and lower frequency limit range 20 Hz to 1000 Hz resolution is the same as VAR Lower sweep frequency limit 20Hz Upper sweep frequency limit 1000 Hz Sweep function Target Speed Deviation and output divider settings and their related voltage current and frequency 0 to 100 or 100 to 0 of the setting select from approx 16 s 32s 64s Output divider feature Target Denominator range Numerator range Voltage current frequency m 4 5 15 12 divisions n 0 1 15 where n lt m Deviation output feature Source Variable range Setting method Voltage current frequency 20 00 Two dial setting Resolution of dial 1 0 2 of main setting Resolution of dial 2 0 01 of main setting Preset feature 5 The deviation is set to 5 when the preset value is changed or when the output divider n is changed 5 when increased 5 when decreased 29 The deviation is set to 2 when the preset value is changed or when the output divider n is changed 2 when increased 2 when decreased 0 The deviation is reset to 0 when the preset value is changed or when the output divider n is changed OFF The deviation is held Preset is not applied 1 Equation for setting setting main setting X n m main setting X deviation The upper output limit is obtained by adding 20 to the value given in section 16 1
47. 13 11 string data subnet mask UP indicator USB driver V Page VIII PIS 4 4 VAR ossos tete VARIABLE dial MED voltage VONAGE oo E voltage range and range generated voltage terminals c aenn Vadaa W Page cami mE 3 7 Index 2 IM 2558A 01EN
48. 15 6 IM 2558A 01EN 15 4 Instrument Error Detection and Clearance Trip Detection When voltage or current is being generated if a load that would cause the output range to be exceeded is connected the instrument will detect the abnormal load and automatically turn off trip the output If tripping occurs an error code is displayed on the output display Connect a load that is within the output range For more details on error codes see Warning Codes in section 15 2 Clearing the Error Display Flip the OUTPUT switch down OFF to clear the error display Flip the OUTPUT switch up OFF to clear the error display and turn the output on High Voltage Notification If you set the voltage output to 150 V or higher beeps will be generated If you set the voltage range to 300 V or higher the HIGH VOLTAGE indicator will illuminate This feature is to warn you of the risk of electric shock due to high voltage It is not a malfunction Clearing of the Notification Beeping stops when the voltage output falls below 150 V The HIGH VOLTAGE indicator turns off when you set the voltage range below 300 V IM 2558A 01EN 15 7 uonoedsu pue eoueugjurejy 6unoouse qnouj 15 5 Self test Procedure 2 Select TEST 3 Execute FREQUENCY PHASE EESE 1 Select SETUP 7 Turn the FREQUENCY dial to select SETUP The indicator corresponding to the selected SETUP range illuminates and the frequency phase angle
49. 2558A AC Voltage Current Standard USER S MANUAL YOKOGAWA 4 Yokogawa Meters amp Instruments Corporation IM 2558A 01EN 1st Edition Product Registration Thank you for purchasing YOKOGAWA products YOKOGAWA provides registered users with a variety of information and services Please allow us to serve you best by completing the product registration form accessible from our homepage http tmi yokogawa com PIM106 11 Thank you for purchasing the 2558A AC Voltage Current Standard The 2558A is a stable signal generator that produces the following voltage and current signals AC voltage 1 mV to 1200 V frequency 40 Hz to 1000 Hz AC current 1 mA to 60 A frequency 40 Hz to 1000 Hz This user s manual explains the features operating procedures and handling precautions of the 2558A To ensure correct use please read this manual thoroughly before beginning operation Keep this manual in a safe place for quick reference in the event that a question arises Notes The contents of this manual are subject to change without prior notice as a result of continuing improvements to the instrument s performance and functionality The figures given in this manual may differ from those that actually appear on your screen Every effort has been made in the preparation of this manual to ensure the accuracy of its contents However should you have any questions or find any errors please contact your nearest YOKOGAWA dealer
50. 2558A 01EN 14 2 Status Byte Status Byte RQS 7 6 ESBMAVEESEAV 1 0 MSS e Bits 0 1 and 7 Not used always 0 Bit 2 EAV Error Available This bit is 1 when the error queue is not empty In other words this bit is set to 1 when an error occurs See section 14 5 Bit 3 EES Extend Event Summary Bit This bit is set to 1 when the logical AND of the extended event register and the extended event enable register is 1 In other words this bit is set to 1 when a certain event takes place inside the instrument See section 14 4 Bit 4 MAV Message Available This bit is 1 when the output queue is not empty In other words this bit is set to 1 when there is data to be transmitted in response to a query See section 14 5 e Bit 5 ESB Event Summary Bit This bit is set to 1 when the logical AND of the standard event register and the standard event enable register is 1 In other words this bit is set to 1 when a certain event takes place inside the instrument See section 14 3 e Bit 6 RQS Request Service MSS Master Status Summary This bit is 1 when the logical AND of the status byte excluding bit 6 and the service request enable register is 1 In other words this bit is set to 1 when the instrument requests service from the controller RQS is set to 1 when the MSS bit changes from 0 to 1 and is cleared when serial polling is carried out or when the MSS bit changes to 0 Bit Masking
51. 2558A so that even responses that have both headers and data are returned without headers Use the COMMunicate HEADer command for this purpose Abbreviated Form The 2558A normally returns response headers with the lower case section removed You can configure the 2558A so that full headers are returned Use the COMMunicate VERBose command for this purpose The sections enclosed in square brackets are also omitted in the abbreviated form IM 2558A 01EN 12 5 M9IAJ9AQ BuruiureJ604gd H 12 4 Data Data Data contains conditions and values that are written after the header A space separates the data from the header Data is classified as follows Voltage Current Time Frequency and Phase Voltage Current Time Frequency and Data Meaning Decimal A value expressed in decimal notation Example The denominator of the output divider gt DIVider DENominator 4 lt Voltage gt lt Current gt A physical value Time Example Voltage range setting gt SOURce RANGe 300V Register A register value expressed as binary octal decimal or hexadecimal Example Extended event register value STATUS EESE HFE Character Data Predefined character string mnemonic Select from the available strings in braces Example Select the source function gt SOURce FUNCtion VOLTage CURRent Boolean Indicates on and off Speci
52. 4 setting the deviation to 196 will produce the following result When the divider value is 1 4 the output value is 5 Hz the deviation 0 2 Hz and the output frequency is 50 2 Hz Fspan 65 Hz 45 Hz 20 Hz The meter scale value 20 Hz x 1 4 45 Hz 50 Hz Deviation frequency 20 Hz x 196 0 2 Hz Output frequency 50 Hz 0 2 Hz IM 2558A 01EN 6 7 4939 N Aouanbas4 ay Bureuqije 6 7 Finely Adjusting the Output Deviation and Preset If you change the FREQUENCY METER MIN MAX main setting or divider value the value set with the deviation dial will be cleared Ifthe preset is set to 0 2 or 5 and you change the main setting or the denominator m of the output divider the deviation will be cleared If you change the numerator n the deviation is set based on the preset setting You cannot control this setting while a sweep is in progress When an up sweep is in progress the deviation is monitored and displayed in accordance with the changes in the output value Sweeping stops when the deviation reaches 20 However output is not possible at 1000 Hz or higher When an down sweep is in progress the deviation is monitored and displayed in accordance with the changes in the output value Sweeping stops when the deviation reaches 20 However output is not possible at 20 Hz or lower If the output range is exceeded the display blinks Selectable range 20 00 to 20 0096 You can
53. 9 5 A E In the above example the 2558A is generating 5 0096 of the output setting To calibrate the scale turn a deviation dial to move the meter needle to the correct position For details on how to read the deviation see Deviation on the previous page 2 6 IM 2558A 01EN 2 5 Sweeping The sweep feature moves the meter needle from the minimum scale value to 120 of the maximum scale value at a constant speed It is used to check whether the needle is sticky when it moves You can select the sweep time depending on the meter type To sweep a wide angle meter you can select a long sweep time to move the needle slowly Sweep time 16s 32s or 64 s Main setting 10 A ami 0 2000 38 o gt Sweeps the needle over the specified time HOLD ows UP sweep Ammeter 0Ato 12A up HOLD me Ammeter DOWN sweep 12Ato0A When sweeping up sweeping is performed up to 120 of the maximum scale value IM 2558A 01EN saJnjeo J 2 6 Synchronous Operation You can connect multiple 2558As together and output voltage or current in sync with the frequency of the master 2558A Synchronous operation is used when using two 2558As one as a voltage generator and the other as a current generator to calibrate a power meter or when using two 2558As in parallel to generate large current External I O Connection Connect the signal output terminals I and Q on the
54. CE RANGE 1 0E 00 Before setting Voltage use the SOURce FUNCtion command to set the source function to voltage Before setting Current use the SOURce FUNCtion command to set the source function to current If you set a range of a different source function a 431 Invalid suffix error will occur SOURce READ Function Syntax Example Description Queries the output value voltage or current SOURCe READ SOURCE READ SOURCE READ 100 00E 03 Output value 100 mV or 100 mA E READ SOURCE READ 1 0000E 00 Output value 1 V or 1 A E READ SOURCE READ 10 000E 00 Output value 10V or 10A E READ EAD 50 00E 00 e 50A e 100 V R u D gt SOURCE READ 100 00E 00 u D R READ 300 0E 00 Output value 300 V SOURCE READ SOURCE READ 1 0000E 03 Output value 1000 V The 2558A outputs the source function voltage or current that has been set with the SOURce FUNCtion command Ifthe output is off the command returns 9 91E 37 13 8 IM 2558A 01EN 13 8 STATus Group The commands in this group are used to make settings and queries related to the communication status feature There are no front panel dials and switches that correspond to the commands in this group For information about status reports see chapter 14 STATUS Function Queries all the settings of the communication status feature
55. Check the load connected to the current terminals 3 5 E 034 Overvoltage load has been Check the wiring of the current terminals 3 6 detected Check the load connected to the current terminals 3 5 E 035 Overcurrent load has been Check the wiring of the voltage terminals 3 6 detected Check the load connected to the voltage terminals 3 5 E 036 xternal input level error has been Check the external input level 7 1 detected 15 2 IM 2558A 01EN 15 3 Communication Error Messages This section explains communication error messages Error messages that are read from a PC such as through the STATus ERRor command are output in English e If servicing is necessary to solve the problem indicated by a message contact your nearest YOKOGAWA dealer The error messages described here are only those that you can read with the STATus ERRor command from a PC For other messages which are displayed on the front panel see section 15 2 Communication Syntax Errors 100 to 199 Code Message Corrective Action Page 102 Syntax error A syntax error not covered by error codes 100 to 199 Chapter 12 chapter 13 103 Invalid separator Separate data values with a comma 12 1 104 Data type error See page 12 6 and 12 7 and use the correct data type for each 12 6 and parameter 12 7 108 Parameter not allowed Check the number of data values 12 6 C
56. Copying or reproducing all or any part of the contents of this manual without the permission of YOKOGAWA is strictly prohibited The TCP IP software of this product and the documents concerning it have been developed created by YOKOGAWA based on the BSD Networking Software Release 1 that has been licensed from the Regents of the University of California AN A High voltage The 2558A generates sinusoidal of up to 1440 Vrms To prevent electric shock be sure to read this manual before use Improper operation may lead to serious life threatening accidents Keep this manual close to the 2558A so that the operator can refer to it anytime Trademarks Microsoft Internet Explorer MS DOS Windows Windows NT Windows XP Windows Vista and Windows 7 are either registered trademarks or trademarks of Microsoft Corporation in the United States and or other countries Adobe and Acrobat are either registered trademarks or trademarks of Adobe Systems Incorporated n this manual the TM and symbols do not accompany their respective amp registered trademark or trademark names Other company and product names are registered trademarks or trademarks of their respective holders Revisions May 2013 1st Edition 1st Edition May 2013 YMI All Rights Reserved Copyright 2013 Yokogawa Meters amp Instruments Corporation IM 2558A 01EN Checking the Contents of the Package Unpack the box and check the contents befor
57. E 904 Internal circuit error has been detected Error Codes That Appear at Power on or during the Self test If any of the following error codes appears servicing is required If the error appears at power on the instrument beeps E 911to E 914 Internal circuit error has been detected E 915 The cooling fan error has detected E 921 to E 934 Internal circuit error has been detected The 100 mV range error has detected The 1 V range error has detected The 10 V range error has detected The 100 V range error has detected The 300 V range error has detected The 1000 V range error has detected The 100 mA range error has detected The 1 Arange error has detected The 10 A range error has detected The 50 A range error has detected Warning Codes Code Description Corrective Action Refer to Section 031 TA 3 6 3 5 E 032 Voltage amplifier oscillation error Check the external signal input terminal connection 7 1 has been detected Check the wiring of the voltage terminals 3 6 3 5 GA 3 6 E Amplitude control error has been Check the external signal input terminal connection detected Check the wiring of the voltage or current terminals Check the load connected to the voltage or current terminals ME Check the load connected to the voltage terminals E 033 Current amplifier oscillation error Check the external signal input terminal connection has been detected Check the wiring of the current terminals
58. Execute a self test See section 15 5 c LLLI Executes a self test 11 72 21 Enter the password For details on how to change the password and adjust the voltage and current ranges see the following webpage http www yokogawa com ymi 4 2 IM 2558A 01EN 4 2 SETUP Menu and Dial Assignments When the SETUP menu is displayed only the dials and switches for selecting menu and display items can be used You cannot use the other dials and switches Displays that are not used in the SETUP menu turn off Select the SETUP Menu Displays the SETUP menu the first level in the tree diagram of section 4 1 Turn the VARIABLE dial to select a menu Example SWEEP LAN INFO Setup menu item Displays a SETUP menu item the second level in the tree diagram of section 4 1 Turn a main setting dial to select an item Example In the case of LAN select DHCP IP MASK etc The values of a SETUP menu item Displays the value or information of a SETUP menu item See section 4 3 If there is a value turn a deviation dial to set the value Flip the PRESET switch up or down to confirm the selected value When the value has not been confirmed all the PRESET LEDs light When it has been confirmed all the PRESET LEDs turn off Example ON OFF a value etc Auxiliary information display Displays the auxiliary information of a SETUP menu item when available Example Error code in the error log 4p VAR grt EXTZ PHASE
59. MAXimum 6 8 IM 2558A 01EN 6 8 Sweeping Setting the Sweep Time 4 Confirm the setting 2 Select SWEEP These turn off when the setting is confirmed FREQUENCY PHASE SYEER FREQUENCY app VAR pxri 3 Turn either dial to 60 EXT2 PHASE select 16 32 or 64 beg Sy MIN Frequency c ela b 1 Select SETUP 7 Turn the FREQUENCY dial to select SETUP The indicator corresponding to the selected SETUP range illuminates and the frequency phase angle display area shows the SETUP menu 2 Turn the VARIABLE dial to select SWEEP 3 Turn the deviation dials to select 16 32 or 64 When you change the setting all four preset indicators will illuminate 4 Flip the PRESET switch up or down The setting is confirmed and all the preset indicators turn off Starting to Sweep UP Sweep Flip the SWEEP switch up The UP indicator illuminates and the 2558A starts sweeping toward higher values When the maximum output is reached or if you flip the SWEEP switch down while sweeping is in progress sweeping will stop hold state A beep will sound when the sweep is held DOWN Sweep Flip the SWEEP switch down The DOWN indicator illuminates and the 2558A starts sweeping toward lower values When the minimum output is reached or if you flip the SWEEP switch up while sweeping is in progress sweeping will stop hold state A beep will sound when the sweep is held B u HOLD a E A UP sweep Flip up v F i
60. Municate ETHernet MASK Function Sets or queries the Ethernet subnet mask Syntax SYSTem COMMunicate ETHernet MASK String SYSTem COMMunicate ETHernet MASK String x x x x x 0 to 255 Example SYSTEM COMMUNICATE ETHERNET MASK 255 255 255 0 SYSTEM COMMUNICATE ETHERNET MASK gt SYSTEM COMMUNICATE ETHERNET MASK 255 255 2009 0 SYSTem COMMunicate ETHernet GATEway Function Sets or queries the Ethernet default gateway Syntax SYSTem COMMunicate ETHernet GATE String SYSTem COMMunicate ETHernet GATE String x x x x x 0 to 255 Example SYSTEM COMMUNICATE ETHERNET GATE 192 168 0 1 SYSTEM COMMUNICATE ETHERNET GATE gt SYSTEM COMMUNICATE ETHERNET GATE 192 168 0 1 SYSTem COMMunicate ETHernet MACaddress Function Sets or queries the Ethernet MAC address Syntax SYSTem COMMunicate ETHernet MACaddress String 00 00 64 xx xx xx where xx is a value between 0 and FF Example SYSTEM COMMUNICATE ETHERNET MACADDRESS 00 00 64 01 01 01 SYSTEM COMMUNICATE ETHERNET MACADDRESS gt SYSTEM COMMUNICATE ETHERNET MACADDRESS 00 00 64 01 01 01 SYSTem REBoot Function Restarts the 2558A when the specified time elapses Syntax SYSTem REBoot Time Time 0 S to 60 S Example SYSTEM REBOOT 3 13 12 IM 2558A 01EN 13 11 Common Command Group The commands in this group are defi
61. OKOGAWA dealer to have parts replaced Part Name Recommended Replacement Interval Cooling fan 3 years Filter 1 year Output relay Approx 25000 operations 1 The number of relay operations may increase if the relay is controlled with the communication USB Ethernet or GP IB feature Adjustment and Calibration Adjustment The 2558A should be adjusted by a qualified engineer at a qualified facility with sufficient precision For information on how to adjust the 2558A see the following webpage To download the information you need to register http tmi yokogawa com products generators sources standard 2558a ac voltage current standard Calibration We recommend that you calibrate the 2558A once every 180 days to assure its accuracy Contact your nearest YOKOGAWA dealer to have your 2558A calibrated IM 2558A 01EN 15 11 uonoedsu pue asueuazuiew 6unoouse qnou Chapter 16 Specifications 16 1 Output Output AC Voltage Range Output range Guaranteed Resolution Maximum Output Output Resistance Accuracy Range 100 mV 0 mV to 144 00 mV 196 to 12096 10 pV Approx 10 Q qM 0 V to 1 4400 V 196 to 12096 100 uV 0 5 A or greater Approx 6 mQ 10V 0 to 14 400 V 196 to 12096 1 mV Approx 3A Approx 6 mQ 100 V 0 V to 144 00 V 196 to 12096 10 mV Approx 0 3A Approx 6 mQ 300 V 0 V to 432 0 V 1 to 120 100 mV Approx 0 1A Approx 6 mQ 1000 V 0 V to 1440 0 V 196 to 12096 100 mV
62. P The indicator corresponding to the selected SETUP range illuminates and the frequency phase angle display area shows the SETUP menu 2 Turn the VARIABLE dial to select LAN 3 Turn a main setting dial to select DHCP 4 Turn a deviation dial to select ON or OFF When you change the setting all four preset indicators will illuminate 5 Flip the PRESET switch up or down The setting is confirmed and all the preset indicators turn off Setting the IP Address Subnet Mask and Default Gateway 8 Confirm the setting These turn off when the Turn this dial to select IP 0 to 3 MASK 0 to 3 or GATE 0 to 3 dis setting is confirmed FREQUENCY PHASE LAn 14 7 Set the address 6 Turn a dial to select IP 0 MASK 0 or GATE 0 Turn the deviation dial 1 to set the tens digit Turn the deviation dial 2 to set the ones digit 6 Turn a main setting dial to select IP MASK or GATE Turn the right most main setting dial to display the four octets of all items one at a time Turn any of the other three main setting dials to display only the first octet IM 2558A 01EN 10 3 o2eJ19juJ 39UuJ9U 3 a 10 3 Configuring the 2558A Ethernet Settings 7 Turn the deviation dials to set the address When you change the setting all four preset indicators will illuminate 8 Flip the PRESET switch up or down The setting is confirmed and all the preset indicators turn off Displaying the MAC Address Fifth
63. PUT i iniit c iom im D t n teni output turing on and off 2 2 OUTPUT display OUTPUT DIVIDER output divider OUTPUT SWIEChU rtm te OUIDUT VAU G e anaa overlap commands IM 2558A 01EN Index 1 PMilof s ctetu LA te gee a E 12 1 ell M eecnice 5 11 preset iridi Gator cocci eie ip vie eoe darte 1 4 presets 2 6 6 8 App 2 PRESET SWilChi eicit 1 4 5 10 6 7 13 7 program data sciret esas ees n Rna deemed E 12 1 program header es 12 1 program messages 12 1 Q Page Q CONNECTION cinips 7 3 R Page tack MOUIN Greca Ets re E HE TVEN a 3 5 RANGE dial tenet oet 5 5 6 3 13 8 rear panel Welle R REMOTE ihidicator iioii 9 1 10 1 11 2 REN Remote Enable 11 7 respotise data ipee aceto i response header ppc c rubber leg CAP REM S Page SDC Selected Device Clear sssssusss 11 7 SIBI RTT 13 14 15 8 sequential COMMANAG c cceeceeeeeeteeteeeeeeaeesteneeeeenaeees 12 8 serial ni mber irte 2 9 8 5 13 13 arnt meas 13 11 2 8 7 3 a 13 8 SPD Serial Poll Disable eese 11 7 SPE Serial Poll Eriable 2 reiten 11 7 special characters standard ACCES SONES niasin ii standard commands ssssssseees 11 6
64. Read the response If the bit 3 is 1 return to the previous line SOURCe READ lt PMT gt SOURce READ is not executed until bit 3 in the condition register becomes 0 Using the Extended Event Register The changes in the condition register can be reflected in the extended event register see section 14 4 Example STATus FILTer4 FALL STATus EESE 8 EESR SRE 8 SOURce LEVel 1000V lt PMT gt Read the response to STATus EESR Wait for a service request SOURCe READ PMT The STATus FILTer4 FALL command sets the transition filter so that bit 3 in the extended event is set to 1 when bit 3 in the condition register changes from 1 to O The STATus EESE 4 command is used to only change the status byte based on bit 3 in the extended event register The STATus EESR command is used to clear the extended event register The SRE 8 command is used to generate service requests based only on the changes in the extended event register bits The SOURce READ command is not executed until a service request is generated Using the COMMunicate WAIT Command The coMMunicate WAIT command is used to wait for a specific event to occur Example STATus FILTer4 FALL STATus EESR SOURce LEVel 1000V lt PMT gt Read the response to STATus EESR COMMunicate WAIT H0008 SOURce READ lt PMT gt For a description of STATus FILTer4 FALL and STATus EESR see the previous section about th
65. SC OUTPUT connectors In this case the signals will not be affected by the phase values This makes it easy to connect multiple 2558A in a daisy chain The maximum number of devices that can be connected is six IM 2558A 01EN 7 3 uoneJedo snouoiysuAs HE Chapter8 Other Features 8 1 Turning the Beep Sound On and Off Procedure 2 Select BEEP These turn off when the setting is confirmed 4 Confirm the setting FREQUENCY PHASE bEEP E app VAR pri 3 Turn either dial to 60 EXT2 PHASE select ON or OFF 50 EEA MIN cy oe je Ta 1 Select SETUP 7 Turn the FREQUENCY dial to select SETUP The indicator corresponding to the selected SETUP range illuminates and the frequency phase angle display area shows the SETUP menu 2 Turn the VARIABLE dial to select BEEP 3 Turn a deviation dial to select ON or OFF When you change the setting all four preset indicators will illuminate 4 Flip the PRESET switch up or down The setting is confirmed and all the preset indicators turn off Explanation Set whether to turn the beep sound on or off ON The beep sound is on OFF The beep sound is off You can turn the beep sound on or off for the following notifications You cannot change the volume When an error is detected during a self test executed at power on or executed manually error codes E 911 to E 950 When the voltage output is set to 150 V or higher When a sweep operation is
66. Tem COMMunicate GPIB TYPe NORMal Standard commands that comply with IEEE488 2 1992 COMPatible Model2558 compatible commands SYSTEM COMMUNICATE GPIB TYPE COMPATIBLE SYSTEM COMMUNICATE GPIB TYPE SYSTEM COMMUNICATE GPIB TYPE COMPATIBLE Description If the C1 option is not installed executing this command will result in error 241 Hardware missing The response to this command is omitted in the response to an upper level query An error will not occur Example SYSTem COMMunicate ETHernet Function Queries all the Ethernet communication settings Syntax SYSTem COMMunicate ETHernet SYSTem COMMunicate ETHernet DHCP Function Sets or queries the Ethernet DHCP on off state Syntax SYSTem COMMunicate ETHernet DHCP Boolean SYSTem COMMunicate ETHernet DHCP ON 1 DHCP is enabled OFF 0 DHCP is disabled SYSTEM COMMUNICATE ETHERNET DHCP ON SYSTEM COMMUNICATE ETHERNET DHCP gt SYSTEM COMMUNICATE ETHERNET DHCP 1 Example IM 2558A 01EN 13 11 spueululo2 a 13 10 SYSTem Group SYSTem COMMunicate ETHernet IP Function Sets or queries the Ethernet IP address Syntax SYSTem COMMunicate ETHernet IP String SYSTem COMMunicate ETHernet IP String x x x x x 0 to 255 Example SYSTEM COMMUNICATE ETHERNET IP 192 168 0 1 SYSTEM COMMUNICATE ETHERNET IP gt SYSTEM COMMUNICATE ETHERNET IP 192 168 0 1 SYSTem COM
67. To mask a bit in the status byte so that it does not cause an SRQ set the corresponding bit of the service request enable register to O For example to mask bit 2 EAV so that service is not requested when an error occurs set bit 2 of the service request enable register to 0 Do this using the SRE command To query whether each bit of the service request enable register is 1 or 0 use SRE For details on the SRE command see chapter 13 Status Byte Operation A service request is issued when bit 6 in the status byte becomes 1 Bit 6 is set to 1 when any other bit becomes 1 when the corresponding bit of the service request enable register is also set to 1 For example if an event occurs and the logical OR of a standard event register bit and its corresponding enable register bit is 1 then bit 5 ESB is set to 1 At this point if bit 5 of the service request enable register is 1 bit 6 MSS is set to 1 and the 2558A requests service from the controller You can check what type of event occurred by reading the contents of the status byte Reading the Status Byte There are two ways to read the contents of the status byte STB Query Bit 6 functions as MSS when a query is made using STB This causes the MSS to be read This query does not cause any of the status byte bits to be cleared after the status byte is read Serial Polling Serial polling causes bit 6 to function as an RQS bit This causes the RQS
68. Y Y Y Y Y Y Y Y ransition filter 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 STATus FILTer lt x gt RISE FALL BOTH NEVer Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y 15 14 13 12 11 109 8 7 6 5 4 43 2 1 0 Extended event register STATus EESR The condition register bits are described below Bit 0 EOS End of Sweep Set to 1 during a sweep operation EOS changing from 1 to 0 indicates that sweeping has been completed held Bit 1 OUT Set to 1 during output Output ON Bit 3 SCG When the output value is changed this bit is 1 until the Source Change output reaches 90 of the value Bit 5 EMR1 Set to 1 when the cooling fan stops FAN Stop Bit 6 EMR2 Set to 1 when an abnormal temperature is detected Temprature Error inside the 2558A Bit 7 EMR3 Set to 1 when an abnormal amplifier temperature is Amplitude Temprature Error detected inside the 2558A Bit 8 EMR4 Set to 1 when an internal power supply error is detected Internal Power Error in side the 2558A Bit 10 FBE Set to 1 when a feedback correction error is detected Feedback Error Bit 11 OSC Set to 1 when an amplifier oscillation error is detected Oscillating Bit 12 LMT Set to 1 when an overload is detected Limting The transition filter parameters detect changes in the specified condition register bits numeric suffixes 1 to 16 and overwrite the extended event register
69. You can set the phase angle according to the measurement system The setting is shown on the front panel Selectable range 180 000 to 359 999 Input range 40 Hz to 1000 Hz The frequency is not shown on the front panel IM 2558A 01EN 2 3 soinjeo4 2 3 Output Divider When calibrating the target meter the output divider feature divides the voltage or current level or the frequency into as many points as you need to calibrate You can set the main setting to the maximum indication on the target meter and vary the divider value to calibrate the various points on the meter Divider value range n m where n 0 to m and m 4 to 15 Setup example When the main setting is 10 A n is 2 and m is 4 output value 10 Ax2 4 5 A divider value 1 2 Main setting 10 A Ammeter 0A Ammeter 5A s a e Ammeter 10A HU Frequency Output Divider If the frequency is set to FREQUENCY METER MIN or FREQUENCY METER MAX the oscillation frequency is divided and output The main setting is not divided For example if the MIN frequency is 45 Hz the MAX frequency is 65 Hz and the main setting is 100 V the following result is obtained At n 0 and m 4 the output voltage is 100 V and the frequency meter shows 45 Hz At n 2 and m 4 the output voltage is 100 V and the frequency meter shows 55Hz At n 4 and m 4 the output voltage is 100 V and the frequency meter shows 65Hz In this example the frequenc
70. able settings are 16 s 32 s or 64 s You cannot specify any other value For example if you select 16 s the 2558A will sweep from 096 to 10096 of the voltage or current level in 16 s The time it takes to sweep from 096 to 12096 is 19 2 s UP sweep DOWN sweep A F 120 MMMMMM amp 120 t t L 2 S 100 gt 5 100 o i o 6 i i 6 o i g 8 EN E S AE B 5 5 2 a 5 i 5 o o 16 19 2 0 19 2 s 9 2s 3 2s 16 s 9 2s 4 Sweep time Sweep time Sweep Direction UP Sweeps towards larger values of the meter DOWN Sweeps towards smaller values of the meter HOLD Stops sweeping and holds the output value normal operation To sweep up from 0 set the output divider value n to 0 and the deviation to 0 For the procedure see sections 5 5 and 5 7 Sweeping will stop if you change the voltage or current frequency when you operate the FREQUENCY dial the main setting or the phase angle Sweeping will not stop if you change the frequency with the VARIABLE dial Output to Sweep The sweep operation is achieved through the automatic and continuous changing of the output divider value and deviation Because sweeping begins at the current output divider value and deviation you can set these in advance to start sweeping from any point within the sweep range Holding the sweep operation stops the automatic changing of the output divider value and deviation which m
71. ach calibration point the deviation in reference to the maximum scale value Note that if the frequency is set to FREQUENCY METER MIN or FREQUENCY METER MAX the deviation is in reference to the span When the maximum scale value is 10 A 1 is 0 1 A If you are using the output divider feature at n 2 and m 10 when 2A is being output 1 will also be 0 1 A IM 2558A 01EN 2 5 2 4 Deviation and Presets Presets Deviation presets can be used to make the meter indicate values that are short of the accurate scale positions when you change the output divider setting You can use this feature to calibrate a meter when using the output divider feature to calibrate the points in increasing or decreasing order 5 When calibrating in increasing order the deviation is set to 5 0096 When calibrating in decreasing order the deviation is set to 5 0096 2 When calibrating in increasing order the deviation is set to 2 0096 When calibrating in decreasing order the deviation is set to 2 0096 0 The deviation is cleared when the divider value is changed OFF The specified deviation is retained even when the divider value is changed Example when calibrating in increasing order Preset 5 Indicates a point that is short of the calibration point by the preset amount Ammeter Use the n dial to move the meter needle up Indicates a point that is short of the calibration point 4 by the preset amount Ammeter
72. and sixth bytes of the MAC address Third and fourth bytes of the MAC address 9 Turn a dial to select MAC 9 Turn a main setting dial to select MAC The third to the sixth byte of the MAC address appears The first and second bytes do not appear they are fixed at 0 Explanation To use the Ethernet interface you must specify TCP IP settings DHCP DHCP is a protocol that temporarily allocates necessary information to a device so that it can connect to the Internet ON If you are connecting the 2558A to a network with a DHCP server you can turn on the DHCP setting If you do the IP address will be automatically assigned to the 2558A when it is connected to the network so you do not have to set the address OFF If you set DHCP to OFF set the appropriate IP address subnet mask and default gateway for your network IP Address Subnet Mask and Default Gateway The IP address subnet mask and default gateway appear in the following manner IP address display example 192 168 0 1 IP 0 IP 1 IP 2 IP 3 Displaying the MAC address Because the first and second bytes are fixed at zero they are not displayed Example If the MAC address is 00 00 12 34 56 78 12 34 56 78 is displayed 10 4 IM 2558A 01EN Chapter 11 GP IB Option 11 4 GP IB Interface Features and Specifications GP IB Interface Features Reception Feature With the exception of turning the power switch on and off you can use the recept
73. ays to calibrate an analog meter One is to calibrate from the minimum value up and the other is to calibrate from the maximum value down In either case it is necessary to keep the needle from exceeding the next calibration position when the meter needle is move to the next calibration point The 2558A enables you to set a preset to make the meter needle point to a position short of the accurate scale position of the next calibration point when the voltage or current is output See sections 2 4 and 5 7 Example when calibrating in increasing order Preset 5 Indicates a point that is short of the calibration point by the preset amount Ammeter Use the output divider to move the meter needle up App 2 IM 2558A 01EN Appendix 2 Example of Using the 2558A to Calibrate an Analog Meter Deviation The deviation dials are used to move the meter needle that has been forced to point to a position short of the accurate position with the preset feature see the previous page to the accurate scale position The value shown on the deviation display when the needle is pointing to the accurate position is the calibration deviation See sections 2 4 and 5 7 Main setting 10A Ammeter 45A 5A Use the deviation dial to align the meter needle to the accurate scale position Example 4 5A 5A The deviation is 0 03 IM 2558A 01EN App 3 H xipueddy Appe
74. bit not an RQS bit For example if a value of 4 is returned this indicates that the status byte register is set to 00000100 This means that the error queue is not empty in other words an error occurred Aquery using STB will not clear the contents of the status byte register For information about the status byte register see section 14 2 TST Function Syntax Example Description WAI Function Syntax Example Description Executes a self test and queries the result TST TST gt 0 For details on the self test see section 15 4 This command returns 0 if the self test is successful and 1 otherwise It takes approximately 3 seconds for the test to complete When receiving a response from the 2558A set the timeout to a relatively large value Holds the execution of the subsequent command until the completion of the specified overlap command WAI WAI The 2558A does not have overlap commands This command will be ignored 13 14 IM 2558A 01EN Chapter 14 Status Reports 14 1 About Status Reports Status Reports The figure below shows the format of status reports that are read by serial polling This status report format is an extended version of the status report format defined in IEEE 488 2 1992
75. bration CAL is not supported 14 The maximum length of block data that can be used for the DDT trigger macro definition Not supported 15 The maximum length of the macro label for defining macros the maximum length of block data that can be used for the macro definition and the process when recursion is used in macro definitions Macro functions are not supported 16 Reply to the IDN query See section 13 12 Common Command Group 17 Size of storage area for protected user data for PUD and PUD PUD and PUD are not supported 18 The length of the RDT and RDT resource names RDT and RDT are not supported 19 The change in the status due to RST LRN RCL and SAV RST See section 13 12 Common Command Group LRN RCL and SAV These common commands are not supported 20 The extent of the self test using the TST command See section 13 12 Common Command Group 21 The structure of the extended return status See chapter 14 22 Whether each command is processed in an overlapped manner or sequentially See section 12 5 Synchronization with the Controller and chapter 13 23 The description of the execution of each command See the functions of the commands in chapter 13 IM 2558A 01EN App 7 H xipueddy Index A Page abbreviated fOrtri trt tener retenta 12 5 B Page C Page calibrate from the maximum value down App 2 ca
76. cations There are no front panel dials and switches that correspond to the commands in this group COMMunicate Function Queries all communication settings Syntax COMMunicate COMMunicate HEADer Function Sets or queries whether headers are attached to query responses Syntax COMMunicate HEADer Boolean COMMunicate HEADer Example COMMUNICATE HEADER ON COMMUNICATE HEADER COMMUNICATE HEADER 1 COMMunicate LOCKout Function Sets or queries the local lockout state Syntax COMMunicate LOCKout Boolean COMMunicate LOCKout Example COMMUNICATE LOCKOUT ON COMMUNICATE LOCKOUT gt COMMUNICATE LOCKOUT 1 COMMunicate REMote Function Sets or queries whether the 2558A is in remote or local mode COMMunicate REMote Boolean COMMunicate REMote ON 1 Remote OFFJ0 Local COMMUNICATE REMOTE ON COMMUNICATE REMOTE gt COMMUNICATE REMOTE 1 Syntax Example COMMunicate VERBose Function Sets or queries whether the response to a query is returned fully spelled out or in its abbreviated form Syntax COMMunicate VERBose Boolean COMMunicate VERBose Example COMMUNICATE VERBOSE ON COMMUNICATE VERBOSE COMMUNICATE VERBOSE 1 Description Example of a response fully spelled out CALIBRATE RANGE 1 0E 00 Example of a response in abbreviated form CAL RANG 1 0E 00 COMMunicate WAIT Function Waits for a specified extended event t
77. ces regardless of their listener or talker designation The following five commands are available LLO Local Lockout DCL Device Clear PPU Parallel Poll Unconfigure SPE Serial Poll Enable SPD Serial Poll Disable There are other interface messages listener address talk address and secondary commands Interface messages Multi line messages Uni line messages m Address Universal commands commands IFC REN GTL LLO IDY SDC DCL PPC PPU GET SPE TCT SPD Listener Talker Secondary address address commands The 2558A supports interface messages marked with a Note Difference between SDC and DCL In multi line messages SDC messages are those that require talker or listener designation and DCL messages are those that do not require a designation Therefore SDC messages are directed at a particular instrument while DCL messages are directed at all instruments on the bus 11 8 IM 2558A 01EN Chapter 12 Programming Overview 12 1 Messages Messages Messages are used to exchange information between the controller and the 2558A Messages that are sent from the controller to the 2558A are called program messages and messages that are sent from the 2558A back to the controller are called response messages If a program message contains a command that requests a response a query the 2558A retums
78. ches can be used Settings entered in remote mode are retained even when the 2558A switches to local mode Note You cannot use the GP IB interface simultaneously with other interfaces USB and Ethernet interfaces 11 2 IM 2558A 01EN 11 2 Connecting to the GP IB Interface GP IB Cable The 2558A is equipped with an IEEE St d 488 1978 24 pin GP IB connector Use a GP IB cable that conforms to this standard Connection Procedure Connect the cable as shown below Notes on Connection Firmly tighten the screws on the GP IB cable connector On the PC end use a GP IB board or card made by National Instruments For details see section 11 1 The 2558A may not operate properly if the 2558A is connected to the PC through converters such as a GP IB to USB converter For more details contact your nearest YOKOGAWA dealer Multiple cables can be used to connect multiple devices However no more than 15 devices including the controller can be connected on a single bus When connecting multiple devices you must assign a unique address to each device Use cables that are no longer than 2 m in length to connect devices Make sure the total length of all cables does not exceed 20 m When devices are communicating have at least two thirds of the devices on the bus turned on To connect multiple devices use a star or daisy chain configuration as shown below Loop and parallel configurations are not allowed
79. cy Group FREQuency Queries all frequency settings 13 5 FREQuency EXTernal PHASe Sets or queries the phase angle when EXT2 is selected 13 5 FREQuency FUNCtion Sets or queries the frequency selection 13 5 FREQuency INTernal FMETer Sets or queries the maximum scale value of the frequency meter 13 5 MAXimum FREQuency INTernal FMETer Sets or queries the minimum scale value of the frequency meter 13 5 MINimum FREQuency INTernal VARiable Sets or queries the variable frequency value 13 5 FREQuency READ Queries the current output frequency 13 5 OUTPut Group OUTPut STATe Sets or queries the output s on off state 13 6 DEViation Group DEViation Queries all deviation settings 13 7 DEViation VALue Sets or queries the deviation 13 7 DEViation PRESet Sets or queries the preset value 13 7 SOURce Group SOURCe Queries all source settings 13 8 SOURce FUNCtion Sets or queries the source function voltage current 13 8 SOURce LEVel Sets or queries the main setting 13 8 SOURCe RANGe Sets or queries the voltage or current range 13 8 SOURce READ Queries the output value voltage or current 13 8 IM 2558A 01JA 13 1 spuewwog 13 1 List of Commands Command Function Page TATus Group STATus Queries all the settings of the communication status feature 13 9 STATus CONDition Queries the contents of the condition register 13 9 STATus EESE Sets or queries the ext
80. d sequential With overlap commands the execution of the next command may start before the execution of the previous command is finished With sequential commands the execution of the next command is held until the execution of the previous command is finished even if multiple commands are sent consecutively All 2558A commands are sequential commands Even when only sequential commands are available there are times when it is necessary to achieve synchronization to properly query the output voltage or current For example if you want to change the output and query the most recent output value sending SOURce READ at arbitrary times will cause the 2558A to return values even before the specified output is reached This means that the correct output after the change may not be received If this happens you must use the following method to synchronize to the point in time when the new output value is reached Achieving Synchronization without Using Overlap Commands Using the STATus CONDition Query STATus CONDition is used to query the contents of the condition register see section 14 4 You can determine whether the value has reached 90 as a result of an output change by reading bit 3 of the condition register If bit 3 of the condition register is 1 the output is less than 90 if the bit is 0 the output has reached 90 Example SOURce LEVel 1000V lt PMT gt STATus CONDition lt PMT gt
81. diagram Set the sweep time See sections 5 8 and 6 8 porte Sweep time licct Ground or no ground Value on ground oFF no ground 1 Address I Command type Value NORM IEEE488 2 4 17 i1 COMP 2558 compatible L VI To LAN on the next page Lu ir cr Set whether to ground the LO terminal See sections 5 1 and 6 1 IM 2558A 01EN nue N dNLAS 94 esf 0 MOH 4 1 SETUP Menu Tree Structure To GPIB on the previous page L 161 Set the Ethernet address See section 10 3 ILI C DHCP DOLT Use or not use DHCP Value on use oFF not use nmn oe oo om IP 0 to 3 C4 3 FC t Oe a FL P address Value 0 0 0 0 to 255 255 255 255 Example 192 IP 0 168 IP 1 0 IP 2 1 IP3 uacun ZOT s Oocus acud MASK 0to03 noe nhac nab RASS Value 0 0 0 0 to 255 255 255 255 Subnet mask Example 255 MASK 0 255 MASK 1 255 MASK 2 0 MASK 3 Tocco UMC Lu Z Value 0 0 0 0 to 255 255 255 255 Default gateway Example 255 GATE 0 255 GATE 1 255 GATE 2 0 GATE 3 Lt Fir L Displays the MAC address Lrrgerdc Displays a log of error codes See section 8 2 L LI L Displays the log RED Clears the log L Initializes the 2558A to its factory default settings See section 8 3 Li Displays the product information See section 8 4 l1 f f Displays the firmware version ILU oL Displays the logic program version Li Displays the boot program version aL ens Displays the device serial number L
82. e current terminals When outputting voltage from the voltage terminals do not short the voltage terminals If you do the overload protection function will be activated an error code will be displayed and the output will be turned off Explanation Turning the Output On and Off When you turn on the output if a voltage range is selected the 2558A outputs voltage from the voltage terminals If a current range is selected the 2558A outputs current from the current terminals If you change the voltage or current range the output automatically turns off Indicator and Output States Output State ON Indicator green OFF Indicator Red ON On Off OFF Off On OUTPUT Display Displays the frequency of the voltage or current output Display update time 200 ms If the difference between the FREQUENCY METER MAX and MIN values is defined as Fspan the output frequency is the sum of the value that results when Fspan is divided by the divider value the MIN value and the deviation relative to Fspan Fspan FREQUENCY METER MAX FREQUENCY METER MIN Output frequency Fspan x divider value FREQUENCY METER MIN Fspan x deviation Display range 20 000 Hz to 1000 0 Hz Command Mnemonic gt gt OUTPut STATe Boolean SOURCe READ FREQuency READ 6 6 IM 2558A 01EN 6 7 Finely Adjusting the Output Deviation and Preset Procedure Deviation Turn the deviation dials to
83. e extended event register The COMMunicate WAIT H0008 command specifies that the program will wait for bit 3 in the extended event register to be set to 1 SOURCe READ is not executed until bit 3 in the extended event register becomes 1 12 8 IM 2558A 01EN chapter 13 Commands 13 1 List of Commands Command Function Page CALibrate Group For details on how to change the password and adjust the voltage and current ranges see the following webpage http www yokogawa com ymi COMMunicate Group COMMunicate Queries all communication settings 13 3 COMMunicate HEADer Sets or queries whether headers are attached to query responses 13 3 COMMunicate LOCKout Sets or queries the local lockout state 13 3 COMMunicate REMote Sets or queries whether the 2558A is in remote or local mode 13 3 COMMunicate VERBose Sets or queries whether the response to a query is returned fully spelled out 13 3 or in its abbreviated form COMMunicate WAIT Waits for a specified extended event to occur 13 3 COMMunicate WAIT Creates the response that is returned when a specified extended event 13 3 occurs DIVider Group DIVider Queries all output divider settings 13 4 DIVider DENominator Sets or queries the denominator of the output divider 13 4 DIVider NUMerator Sets or queries the numerator of the output divider 13 4 FREQuen
84. e for denominator m is 4 to 15 The range for numerator n is 0 to m Turning the m dial resets numerator n to the denominator m value The n value cannot be set larger than the m value When the power is turned on denominator m that was used previously is restored The numerator n is reset to the denominator m value For example if FREQUENCY METER MIN is set to 45 Hz and MAX is set to 65 Hz and you set the denominator m to 4 the following division occurs 65Hz 45Hz 20Hz The output is divided at 5 Hz intervals 1 4 of 20 Hz n m 0 4 45Hz n m 1 4 50Hz n m 2 4 55Hz n m 3 4 60Hz n m 4 4 65Hz lt lt Command Mnemonic gt gt DIVider NUMerator NRf MINimum MAXimum DIVider DENominator NRf MINimum MAXimum IM 2558A 01EN 6 5 4939 N oueanbauJ ay Bureuqije 6 6 Turning the Output On and Off AN WARNING Never touch the terminals or cables when the 2558A output is on Doing so may cause electric shock Procedure Flip the OUTPUT switch up The output turns on the ON indicator illuminates and the OFF indicator turns off Flipping the OUTPUT switch while the output is on will turn off the output and the ON indicator and turn on the OFF indicator When the output is on the frequency output value is displayed Display example of 65Hz 48 Unit quU ES E Turn the output on LOCAL or off Note When outputting current from the current terminals do not open th
85. e operating the instrument If the wrong items have been delivered if items are missing or if there is a problem with the appearance of the items contact your nearest YOKOGAWA dealer 2558A Check that the product that you received is what you ordered by referring to the model name and suffix code given on the name plate on the side panel MODEL 1 SUFFX NO 0l i WA Made in Jap KOGA an Yokogawa Meters amp Instruments Corporation TOKYO 190 8586 JAPAN MODEL and SUFFIX Codes Model Suffix Code Specifications 2558A 1200 V 60A Power cord D UL CSA standard power cord maximum rated voltage 125 V F VDE standard power cord maximum rating 250 V R AS standard power cord maximum rating 250 V Q BS standard power cord maximum rating 250 V H GB standard power cord maximum rating 250 V N NBR standard power cord maximum rating 250 V Additional specifications C1 GP IB interface options Make sure that the attached power cord meets the designated standards of the country and area that you are using it in No Instrument number When contacting the dealer from which you purchased the instrument please give them the instrument number Standard Accessories The instrument is shipped with the following accessories Make sure that all accessories are present and undamaged Power cord one cord that matches the suffix code is included UL CSA Standard VDE Standard BS
86. e queries in a program message responses are returned in the same order that the queries were received in In most cases a single query returns a single response message unit but there are a few queries that return multiple units The first response message unit always corresponds to the first query but the nth response unit may not necessarily correspond to the nth query Therefore if you want to make sure that every response is retrieved divide the program messages into individual messages Notes on Sending and Receiving Messages e If the controller sends a program message that does not contain a query the controller can send the next program message at any time e If the controller sends a program message that contains a query the controller must finish receiving the response message before it can send the next program message If the controller sends the next program message before receiving the response message in its entirety an error will occur A response message that is not received in its entirety will be discarded Ifthe controller tries to receive a response message when there is none an error will occur If the controller tries to receive a response message before the transmission of the program message is complete an error will occur Ifthe controller sends a program message containing multiple message units but the message contains incomplete units the 2558A will try to execute the ones that are believed to
87. e to appear at the voltage output terminals If the output oscillates turn it off immediately Ifa large inductive load or oscillating circuit is connected to the current terminals the output may oscillate and cause high voltage to appear at the current output terminals If the output oscillates turn it off immediately CAUTION Use cables that have adequate margins of withstand voltage and current capacity with respect to the voltage or current to be generated Example To use a current of 20 A use copper wires that have a conductive cross sectional area of 4 mm or greater When outputting current from the current terminals do not open the current terminals Doing so will trigger an electric shock protection feature and the output will turn off When outputting voltage from the voltage terminals do not short the voltage terminals Doing so will trigger an electric shock protection feature and the output will turn off IM 2558A 01EN uoneiedaild 3 6 Connecting Cables Connect cables from the target device to the voltage or current terminals To prevent electric shock and damage to the instrument follow the warnings given in section 3 5 Wiring Precautions Voltage Terminals The terminals are safety banana jacks female that are 4 mm in diameter Only insert safety terminals whose conductive parts are not exposed into the voltage terminals Wiring Example for Calibrating a Voltmeter or Frequency M
88. eans that normal operation returns The deviation setting and output divider value when normal operation returns are those that have been set at the end of the sweep operation When sweeping is held the 2558A operates in normal mode If you see a phenomenon that you want to observe closely while sweeping you can hold the sweep operation and use the deviation dial to observe the situation slowly Afterward you can resume the sweep operation if you want Command Mnemonic gt gt SWEep TIMe TIME SWEep DIRection HOLD UP DOWN IM 2558A 01EN uoneJauoes juaJin2 pue eBeyjoA H Chapter6 Calibrating the Frequency Meter 6 1 Selecting Whether to Ground the LO Terminal COMMON Terminal CAUTION If you select no ground OFF do not apply a voltage exceeding the withstand voltage to ground 12 Vpk If you do the 2558A may malfunction 4 Confirm the setting 2 Select EARTH These turn off when the setting is confirmed FREQUENCY PHASE EArEH ap VAR Ext 3 Turn either dial to 60 EXTZ PHASE select ON or OFF lad a MIN Frequency c a lt 1 Select SETUP 7 Turn the FREQUENCY dial to select SETUP The indicator corresponding to the selected SETUP range illuminates and the frequency phase angle display area shows the SETUP menu 2 Turn the VARIABLE dial to select EARTH 3 Turn the deviation dial to select ON or OFF When you change the setting all four preset indicators will illumina
89. ected and the specified output level is generated During output the output display shows the voltage or current 2 2 IM 2558A 01EN 2 2 Output Frequency and Phase Angle Fixed Frequency 50 Hz 60 Hz or 400 Hz The 2558A uses its internal oscillator to output sinusoidal voltage or current 50 Hz and 60 Hz are used for devices that receive power line signals 400 Hz is mainly used for meters used in aircrafts and marine vessels Specific Frequency VAR The 2558A uses its internal variable oscillator to output sinusoidal voltage or current You can specify a frequency of your choice using a dial on the front panel The setting is shown on the front panel The accuracy is the same if you set one of the fixed frequencies with this feature Selectable range 40 Hz to 1000 Hz External Oscillator EXT1 To output voltage or current connect an external oscillator to the side EXT1 of the 2558A s external signal input terminal Use this feature when you need to synchronize with other signals i e function generator The phase between input and output is reversed in order to accommodate compatibility with the predecessor model 2558 The 2558A measures the external oscillator frequency and shows it on the front panel Input range 40 Hz to 1000 Hz External Oscillator EXT2 PHASE To output voltage or current connect the two signal outputs from another 2558A Use this feature to perform synchronous operation between multiple 2558As
90. ed because the value depends on the voltage waveform average Though omitted in the block diagram the value indicated on the OUTPUT display is a weighted average of the signal fed back to the amplifier control block without any level normalization To make it easy to check the output setting the average duration and display update interval are set to 0 2 s which is half the processing time of the amplifier control block The OUTPUT display and amplifier control block use the output from the same A to D converter Therefore if the amplitude is being controlled stably the difference between the target value that is calculated digitally and the value on the OUTPUT display will be about as large as the rounding error lowest digit 1 H xipueddy IM 2558A 01EN App 1 Appendix 2 Example of Using the 2558A to Calibrate an Analog Meter Output Divider When an analog meter is calibrated the 2558A is used to output different voltages or currents so that the meter needle can be adjusted to match the minimum and maximum scale marks and the scale marks in between The 2558A enables you to set the voltage or current output for the maximum scale mark with the main setting and calibrate the different points of the meter by dividing the output rather than changing the main setting See sections 2 3 and 5 5 Main setting 10 A 0 Ammeter n 2 Ammeter m 4 Divider value 0 4 0A m 4 Divider value 2 4 5A Presets There are two w
91. ended event enable register 13 9 STATus EESR Queries the contents of the extended event register and clears the register 13 9 STATus ERRor Queries the error code and message of the last error that has occurred top 13 9 of the error queue STATus FILTer Sets or queries the transition filter 13 9 STATus QENable Sets or queries whether messages other than errors will be stored to the 13 9 error queue STATus OMESsage Sets or queries whether message information will be attached to the 13 9 response to the STATus ERRor query SWEep Group SWEep Queries all sweep settings 13 10 SWEep DIRection Sweeps up or down or stops sweeping Queries the sweep state 13 10 SWEep TIMe Sets or queries the sweep time 13 10 SYSTem Group SYSTem Queries all the system settings 13 11 SYSTem BEEP Sets or queries the beep sound on off state 13 11 SYSTem EARTh Sets or queries the LO terminal s ground on off state 13 11 SYSTem COMMunicate Queries all the communication settings 13 11 SYSTem COMMunicate GPIB Queries all the GP IB communication settings 13 11 SYSTem COMMunicate GPIB Sets or queries the GP IB address 13 11 ADDress SYSTem COMMunicate GPIB TYPe Sets or queries the GP IB command type 13 11 SYSTem COMMunicate ETHernet Queries all the Ethernet communication settings 13 11 SYSTem COMMunicate ETHernet Sets or que
92. ent Only for Its Intended Purpose This instrument is an AC voltage and current standard that generates AC voltage and AC current Use this instrument only for this purpose Check the Physical Appearance Do not use the instrument if there is a problem with its physical appearance Use the Correct Power Supply Make sure that the power supply voltage matches the instrument s rated supply voltage and that it does not exceed the maximum voltage range specified for the power cord Use the Correct Power Cord and Plug To prevent electric shock and fire be sure to use a power cord provided by YOKOGAWA The main power plug must be plugged into an outlet with a protective earth terminal Do not invalidate this protection by using an extension cord without protective earth grounding Additionally do not use the power cord supplied with this instrument with another instrument Connect the Protective Grounding Terminal Make sure to connect the protective earth to prevent electric shock before turning on the power The power cord that comes with the instrument is a three prong type power cord Connect the power cord to a properly grounded three prong outlet Do Not Impair the Protective Grounding Never cut off the internal or external protective earth wire or disconnect the wiring of the protective earth terminal Doing so may result in electric shock or damage to the instrument Do Not Operate with Defective Protective Grounding or Fuses Do not operate
93. er MINimum MAXimum MAXimum lt Frequency gt FREQuency INTernal FMETer MAXimum Frequency 20 000 to 999 999 1000 00 Example FREQUENCY INTERNAL FMETER MAXIMUM 400Hz FREQUENCY INTERNAL FMETER MAXIMUM 400 000 FREQUENCY INTERNAL FMETER MAXIMUM 1000 00 FREQuency INTernal FMETer MINimum Function Sets or queries the minimum scale value of the frequency meter Syntax FREQuency INTernal Fi mr ETer Hos MINimum lt Frequency gt MINimum MAXimum FREQuency INTernal F mr ETer MINimum lt Frequency gt 20 000 to 999 999 1000 00 Example FREQUENCY INTERNAL FMETER MINIMUM 400Hz FREQUENCY INTERNAL FM 400 000 FREQUENCY INTERNAL FMETER MINIMUM 1000 00 Ss Gl TER MINIMUM FREQuency INTernal VARiable Function Sets or queries the variable frequency value Syntax FREQuency INTernal VARiable Frequency MINimum MAXimum FREQuency INTernal VARiable lt Frequency gt 40 000 to 999 999 1000 00 Example FREQUENCY INTERNAL VARIABLE 400Hz FREQUENCY INTERNAL VARIABLE gt 400 000 FREQUENCY INTERNAL VARIABLE gt 1000 00 FREQuency READ Function Queries the current output frequency Syntax FREQuency READ Example FREQUENCY READ gt 45 000E 0 FREQUENCY READ gt 400 000E 0 FREQUENCY READ gt 1 00000E 3 Description
94. erated The maximum output at each voltage range is shown in the figure below The maximum output is 120 of each voltage range rating If you set the voltage range to 300 V or 1000 V the HIGH VOLTAGE indicator will illuminate If you set the voltage to 150 V or higher a high voltage caution beep will sound Current 3A Range generated Voltage Range Maximum Range Generated Output 100 mV 0mV to 120 00 mV 0 3 A 1V 0 V to 1 2000 V 0 5 A or higher 0 1A 10V 0 V to 12 000V approx 3A 100V 0 V to 120 00 V approx 0 3 A 300 V 0 V to 360 0 V approx 0 1A 6mAF 1000V 0V to 1200 0 V approx 6 mA LL 12 V120 V 360V 1200 V 1 Generates 144 of the range when used with deviation 20 2 At 196 to 120 of the range Voltage Current Range and Range Generated The maximum output at each current range is shown in the figure below The maximum output is 12096 of each current range rating Voltage 15V R ted cui generare Current Range Maximum Range Generated Output 100mA OmAto 120 00 mA approx 15 V 3V 1A 0 Ato 1 2000 A approx 15 V 10A 0 A to 12 000 A approx 3 V 50A 0 Ato 120 00 A approx 0 6 V 0 6V 1 Generates 144 of the range when used c with deviation 20 urrent 5 At 1 to 120 of the range 12A 312A 60A Turning the Output On and Off There are two output modes OFF and ON OFF The output is disconnected The specified output level is not generated ON The output is conn
95. error log entries and which error log entry is being displayed In this example the first error log entry from 48 log entries is being displayed NO There are no error log entries E XXX An error code in the log For details on error codes see section 15 3 IM 2558A 01EN 8 3 SoJnjeaJ 19470 8 3 Initializing the Settings Procedure 2 Select INIT 3 Execute initialization FREQUENCY PHASE Serve 1 Select SETUP 7 Turn the FREQUENCY dial to select SETUP The indicator corresponding to the selected SETUP range illuminates and the frequency phase angle display area shows the SETUP menu A Turn the VARIABLE dial to select INIT 3 Flip the PRESET switch up or down The 2558A settings are initialized Explanation You can initialize the 2558A to its factory default settings GP IB and Ethernet settings are not initialized For details on the items that are initialized see appendix 5 8 4 IM 2558A 01EN 8 4 Displaying the Product Information Procedure 2 Select INFO Version display FREQUENCY PHASE nfo lt gt 3 Turn a dial to select FIRM LOGIC BOOT or SER NO a 1 Select SETUP Explanation Turn the FREQUENCY dial to select SETUP The indicator corresponding to the selected SETUP range illuminates and the frequency phase angle display area shows the SETUP menu Turn the VARIABLE dial to select INFO Turn a main setting dial to select FIRM LOGIC
96. es or measured values are displayed depending on the FREQUENCY dial When set to 50 60 or 400 The fixed frequency When set to VAR Arbitrary frequency When set to EXT1 External oscillator frequency When set to EXT2 PHASE Phase angle FREQUENCY METER MIN Minimum frequency FREQUENCY METER MAX Maximum frequency LI 888 888 Unit indicator Indicates the phase angle or frequency unit VARIABLI Phase angle Frequency Hz 7375 lt gt VARIABLE dial Set the number of the selected digit in the range of 0 to 9 Within the selectable range of frequencies or phase angles carrying over and borrowing occurs automatically If the upper or lower limit of the range is reached turning the dial further will not change the number of the digit This dial is valid when the FREQUENCY dial is set to one of the following VAR EXT2 PHASE MIN MAX FREQUENCY METER ER Cursor switch Selects the digit that you want to set The number of the selected digit blinks Flip the Switch to the left to select the next left digit Flip the switch to the right to select the next right digit If the highest digit is selected flipping the switch to the left will select the lowest digit If the lowest digit is selected flipping the switch to the right will select the highest digit You can use this switch when the VARIABLE dial is valid Main Setting Section The main setting section consists of four main setting dia
97. eter Current Terminals The terminals are binding posts The fastening screws are M6 Either wind the wire around the screw or pass a crimped terminal through the screw hole and then tighten firmly with the terminal knob The terminal or knob may break if you apply excessive torque Wiring Example for Calibrating a Ammeter ee T Ammeter 3 10 IM 2558A 01EN 3 6 Connecting Cables CAUTION Confirm that no foreign materials are caught in the contact area between the current terminal and the cable Periodically confirm that the current terminals are not loose and that there are no foreign materials caught in the contact area between the current terminal and the cable Connecting to a Round Crimped Terminal To connect a cable with a round crimped terminal to a current terminal follow the procedure below 1 Turn the current terminal knob to remove it Terminal base a gt E Current terminal 2 Insert the screw of the knob into the crimped terminal and then tighten firmly with the terminal knob The terminal or knob may break if you apply excessive torque Ce Crimped terminal IM 2558A 01EN uonejedaJd Chapter 4 Howto Use the SETUP Menu 4 1 SETUP Menu Tree Structure The SETUP menu appears when you turn the FREQUENCY dial and select SETUP This section describes the types and contents of the menu items using a tree
98. f your choice in the range of 40 Hz to 1000 Hz The resolution is 0 001 Hz External Oscillator EXT1 The 2558A generates AC voltage or current at the frequency of the signal received through external input terminal EXT1 The phase is the same as when EXT2 is selected and the phase is set to 180 Allowable frequency range 40 Hz to 1000 Hz External Oscillator EXT2 The 2558A generates AC voltage or current with the specified phase shift in reference to the two signals received through the external input terminals I and Q Allowable frequency range 40 Hz to 1000 Hz Phase angle range 180 000 to 359 999 relative value in steps of 0 001 If you turn the FREQUENCY dial when the output is on the 2558A tries to maintain the voltage or current output but the output may turn off due to the discontinuity when the internal oscillator and external oscillator switch or some other reason When the 25584 starts the FREQUENCY dial setting that was used previously is restored except for SETUP Command Mnemonic gt gt FREQuency FUNCtion 50 60 400 VAR EXT1 EXT2 FREQuency INTernal VARiable Frequency FREQuency EXTernal PHASe Phase 5 4 IM 2558A 01EN 5 3 Selecting the Voltage or Current Range Procedure Turn the RANGE dial to set the voltage or current range The indicator for the selected range illuminates Voltage range EL mac Current range mA 100 100 4 S
99. ff when the setting is confirmed FREQUENCY PHASE OP b 6 Turn a dial to select TYPE 7 Turn either dial to select NORM or COMP Turn a main setting dial to select TYPE Turn a deviation dial to select NORM or COMP When you change the setting all four preset indicators will illuminate 8 Flip the PRESET switch up or down The setting is confirmed and all the preset indicators turn off NS IM 2558A 01EN 11 5 uondo gal d9 BH 11 3 Configuring the 2558A GP IB Settings Note Only use one communication interface USB GP IB or Ethernet If you send commands simultaneously from more than one communication interface the 2558A will not execute the commands properly When the controller is communicating with the 2558A or with other devices through GP IB do not change the address e Each device that is connected in a GP IB system has its own unique address This address is used to distinguish between different devices Therefore you must assign a unique address to the 2558A when connecting it to a PC or other device The command type setting takes effect when you turn the 2558A off and then back on If you select COMP the 2558A will not accept standard commands nor communicate using the USB or LAN interface Explanation Command Type The 2558A is compatible with the remote control commands of its predecessor model the 2558 Select the command type depending on your situation NORM Standard command
100. front panel SETUP menu commands SYSTem Function Queries all the system settings Syntax SYSTem SYSTem BEEP Function Sets or queries the beep sound on off state Syntax SYSTem BEEP Boolean SYSTem BEEP ON 1 Enabled OFF 0 Disabled Example SYSTEM BEEP ON SYSTEM BEEP SYSTEM BEEP 1 SYSTem EARTh Function Sets or queries the LO terminal s ground on off state Syntax SYSTem EARTh Boolean SYSTem EARTh ON 1 Ground OFF 0 Not ground Example SYSTEM EARTH ON SYSTEM EARTH SYSTEM EARTH 1 SYSTem COMMunicate Function Queries all the communication settings Syntax SYSTem COMMunicate SYSTem COMMunicate GPIB Function Queries all the GP IB communication settings Syntax SYSTem COMMunicate GPIB SYSTem COMMunicate GPIB ADDress Function Sets or queries the GP IB address Syntax SYSTem COMMunicate GPIB ADDRess NRf SYSTem COMMunicate GPIB ADDRess lt NRf gt 0 to 30 resolution 1 Example SYSTEM COMMUNICATE GPIB ADDRESS 1 SYSTEM COMMUNICATE GPIB ADDRESS gt SYSTEM COMMUNICATE GPIB ADDRESS 1 Description If the C1 option is not installed executing this command will result in error 241 Hardware missing The response to this command is omitted in the response to an upper level query An error will not occur SYSTem COMMunicate GPIB TYPe Function Sets or queries the GP IB command type Syntax SYSTem COMMunicate GPIB TYPe NORMal COMPatible SYS
101. fy ON OFF ora value Example Turn the output on 0UTPut STATe ON String Data User defined string Example Ethernet IP address setting 8YSTem COMMunicate ETHernet IP 192 168 0 1 Block Data Data that contains 8 bit values Decimal Decimal indicates a value expressed as a decimal number as shown in the table below Decimal values are written in the NR form as specified in ANSI X3 42 1975 Symbol Meaning Example lt NR1 gt Integer 125 1 1000 lt NR2 gt Fixed pointnumber 125 0 90 001 lt NR3 gt Floating point number 125 0E 0 9E 1 1E4 lt NRf gt Any of the forms lt NR1 gt to lt NR3 gt The 2558A can receive decimal values that are sent from the controller in any of the forms lt NR1 gt to lt NR3 gt This is expressed as lt NRf gt The 2558A returns a response to the controller in one of the forms from lt NR1 gt to lt NR3 gt depending on the query The same form is used regardless of the size of the value For the lt NR3 gt form the plus sign after the E can be omitted You cannot omit the minus sign e Ifa value outside the range is entered the value is adjusted to the closest value within the range Ifa value has more significant digits than are available the value will be rounded Phase indicate decimal values that have physical significance A lt Multiplier gt or Unit can be attached to the form that was described earl
102. ge Corrective Action Page 300 Communication device specific error Servicing is required 399 Fatal error in the communication driver Servicing is required Communication Warning 50 Code Message Corrective Action Page 50 OPC exists in message Write OPC or OPC at the end of program messages Other Errors 350 390 Code Message Corrective Action Page 350 Queue overflow Read the error queue 12 6 Note Code 350 occurs when the error queue overflows Information 1 to 99 Code Message Corrective Action Page 51 Sweeping in progress You can only make changes when sweeping is held 5 12 and 6 9 52 The upper and lower sweep limits are set to the Check the upper and lower sweeping limits 5 13 and same value 6 10 53 The output is off Sweeping is not possible because the output is off Turn 5 8 the output on 6 6 IM 2558A 01EN 15 5 uonoedsu pue eoueugjure y 6unoouse qnouj 15 3 Communication Error Messages Execution Errors 800 to 899 Code Message Corrective Action Page 802 Invalid command CAL on the SETUP menu cannot be executed during 4 2 adjustment mode 804 Invalid command Cannot be executed because the communication 11 5 command type is set to COMP compatible mode System Errors 900 999 Code Message Corrective Action Page 911 to CPU board error For details about the message and corrective action 15 2 950 see section 15 2
103. ge or current voltage may remain for some time even after you turn the output off This residual voltage may lead to electric shock so do not touch the voltage or current terminals immediately after you turn the output off The amount of time that voltage remains varies depending on the target device CAUTION Operating Environment Limitations This product is a Class A for industrial environment product Operation of this product in a residential area may cause radio interference in which case the user will be required to correct the interference vi IM 2558A 01EN l Waste Electrical and Electronic Equipment aste Electrical and Electronic Equipment WEEE DIRECTIVE 2002 96 EC This directive is valid only in the EU mame his product complies with the WEEE Directive 2002 96 EC marking requirement This marking indicates that you must not discard this electrical electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE directive Annex this product is classified as a Monitoring and control instruments product Do not dispose in domestic household waste When disposing products in the EU contact your local Yokogawa Europe B V office IM 2558A 01EN vii Conventions Used in This Manual Notes The notes and cautions in this manual are categorized using the following symbols Improper handling or use can lead to injury to the user or damage to the
104. hapter 13 109 Missing parameter Be sure to include all necessary data values 12 6 and chapter 13 111 Header separator error Use a comma to separate each header from its data 12 1 112 Program mnemonic too long Check the command length Chapter 13 113 Undefined header Check the header Chapter 13 114 Header suffix out of range Check the header Chapter 13 120 Numeric data error A value must be specified where the syntax contains lt NRf gt 12 6 123 Exponent too large Where the syntax contains lt NR3 gt make the exponent that follows 12 6 and E smaller chapter 13 124 Too many digits Limit numeric values to 255 digits or less 12 6 and chapter 13 128 Numeric data not allowed Use a data type other than lt NRf gt 12 6 and chapter 13 131 Invalid suffix Check the unit of Voltage Current Time Frequency or 12 6 lt Phase gt 134 Suffix too long Check the unit of Voltage Current Time Frequency or 12 6 Phase 138 Only the following units can be used Voltage Current 12 6 Suffix not allowed Time lt Frequency gt Phase 141 Invalid character data Be sure to select one of the listed choices when the syntax contains Chapter 12 LEER n chapter 13 144 Character data too long Check the spelling of the strings when the syntax contains Chapter 13 148 Character data not allowed Use a data type other than Chapter 13 150 String data error Enclose parameter
105. he inlet holes on the rear of the instrument the instrument will become hot and may break down Installation Conditions Install the instrument in a place that meets the following conditions Well Ventilated Location Outlet holes are located on the top and bottom of the instrument There are also inlet holes on the rear To prevent internal overheating allow for enough space around the instrument see the figure below and do not block the inlet and outlet holes o 1120 cm or more o 11 6 E m MN _ WU nnl IL m A Ve When connecting cables allow for enough space above and beyond the space shown in the figure above to carry out the procedure Ambient temperature and humidity Ambient temperature 5 C to 40 C Ambient humidity 20 RH to 80 RH no condensation Note Condensation may form when the instrument is moved from a low temperature or humidity environment to a high temperature or humidity environment or when there is a sudden change in temperature In such cases before you use the instrument allow it to adjust to the surrounding temperature for at least an hour If you transport the instrument in its packing box to prevent condensation allow it to adjust to the new ambient temperature for at least an hour before taking it out of the box IM 2558A 01EN 3 3 uonejedaJd 3 2 Installing the Instrument Installation Position Deskt
106. he output check that Cables have been connected to the instrument s output terminals correctly Check that there are no voltage output cables that have been connected to the current terminals Check that there are no current output cables that have been connected to the voltage terminals Cables have been connected to the target device correctly Check that there are no short circuits between voltage terminals or between the cables connected to the voltage terminals The cables are connected firmly to the current terminals There no problems with the current terminals and the crimping terminals such as the presence of foreign substances During output never touch the terminals or the connected cables when this instrument is on check that There no problems with the current terminals and the crimping terminals such as the presence of foreign substances The current terminals are not abnormally hot The cables are connected firmly to the current terminals The terminal connections may become loose over time If this happens heat may be generated due to changes in contact resistance If you are going to take measurements using the same setup for a long time periodically check that the cables are firmly connected to the terminals Be sure to turn off both this instrument and the target device before you check the connections After generation immediately after the output is turned off After you generate a large volta
107. ibration On an unstable surface Outdoors or in locations subject to rain or water IM 2558A 01EN 3 5 uoneiedaild 3 3 Connecting to the Power Supply Before Connecting the Power Supply Make sure to follow the warnings below when connecting the power supply Failure to do so may cause electric shock or damage to the instrument AN Make sure that the power supply voltage matches the instrument s rated supply voltage and that it does not exceed the maximum voltage range specified for the power cord Connect the power cord after checking that the power switch of the instrument is turned off To prevent electric shock and fire use a power cord for this instrument provided by YOKOGAWA Make sure to connect protective earth grounding to prevent electric shock Connect the power cord to a three prong power outlet with a protective earth terminal Do not use an ungrounded extension cord If you do the instrument will not be grounded If an AC outlet that conforms to the supplied power cord is unavailable and you cannot ground the instrument do not use the instrument Connecting the Power Cord f 2 3 Check that the power switch POWER on the front panel of the instrument is turned off Connect the power cord plug to the power inlet on the rear panel Connect the other end of the cord to an outlet that meets the following conditions Use a grounded three prong outlet Item Rated supply voltage 100 VAC
108. ier Use one of the following syntaxes Syntax Example lt NRf gt lt Multiplier gt lt Unit gt 5MV lt NRf gt lt Unit gt 5E 3V lt NRf gt lt Multiplier gt 5M lt NRf gt 5E 3 lt Multiplier gt Multipliers that you can use are indicated in the following table Symbol Word Multiplier EX Exa 1018 PE Peta 105 T Tera 1012 G Giga 109 MA Mega 108 K Kilo 10 M Milli 103 U Micro 1076 N Nano 10 P Pico 10712 F Femto 10715 Unit Units that you can use are indicated in the following table Symbol Word Meaning V Volt Voltage A Ampere Current S Second Time HZ Hertz Frequency PCT Percent Percentage DEG Degree Angle lt Multiplier gt and Unit are not case sensitive U is used to indicate micro p MA is used for Mega to distinguish it from Milli However MA is interpreted as milliampere for current If both lt Multiplier gt and lt Unit gt are omitted the basic unit V A or S is used 12 6 IM 2558A 01EN 12 4 Data Register Register indicates an integer and can be expressed in hexadecimal octal or binary as well as a decimal number This is used when each bit of the value has a particular meaning Use one of the following syntaxes Syntax Example lt NRf gt 1 H lt Hexadecimal value made up HHOF of the digits 0 to 9 and A to F gt Q lt Octal value made up 450777 of the digits 0 to 7 B lt Binary value
109. in the following ways RISE The specified extended event register bit is set to 0 when the corresponding condition register bit changes from 0 to 1 FALL The specified extended event register bit is set to 1 when the corresponding condition register bit changes from 1 to 0 BOTH The specified extended event register bit is set to 1 when the corresponding condition register bit changes from 0 to 1 or from 1 to 0 NEVer Always zero IM 2558A 01EN 14 5 sjioday snjeis 14 5 Output and Error Queues Output Queue The output queue stores query response messages For example if you send a SOURce READ command which requests for the transmission of voltage or current output value the response message is stored in the output queue until it is read As shown below error messages are stored in order and read from the oldest message first The output queue is cleared in the following cases When a new message is received from the controller When a deadlock occurs see section 12 1 When a device clear command DCL or SDC is received e When the 2558A is restarted The CLS command does not clear the output queue You can determine whether or not the output queue is empty by checking bit 4 MAV in the status byte D2 D1 D1 D2 D1 Error Queue When an error occurs the error queue stores the error number and message For example if the
110. inute after the output is turned on to 1 hour Temperature coefficient 50 Hz 60 Hz Other frequencies 40 Hz to 1 kHz 30 ppm C of setting at 5 C to 20 C and 26 C to 40 C 50 ppm C of setting at 5 C to 20 C and 26 C to 40 C Response time Distortion factor Approx 2 s at 0 gt 100 of the setting until the output converges to 0 02 of the last value Voltage output 0 07 or less Current output 0 18 or less Conditions Frequency range 40 Hz to 1 kHz Load Pure resistance The load current during voltage generation and the load voltage during current generation are less than or equal to 20 of the maximum output Range Generated 40 to 120 of range Internal oscillator accuracy 50 ppm 180 days 100 ppm year Conditions Temperature 5 C to 40 C Humidity 20 RH to 80 RH IM 2558A 01EN 16 3 a suoneo2yi2ods 16 3 Functions Item Specifications Frequency range Mode Internal oscillators external oscillator FREQUENCY METER Internal oscillators External oscillator FREQUENCY METER 50 Hz 60 Hz 400 Hz Fixed frequencies VAR Variable frequency 40 Hz to 1000 Hz 0 001 Hz resolution Using the synchronous operation input terminal EXT1 Receives a single signal EXT2 Receives two signals 90 phase difference phase shift feature available Phase shift range 180 000 to 359 999 0 001 resolution Assign sweep output divider and deviation output features
111. ion feature to specify the same settings that you specify by using the front panel keys The 2558A can receive output requests for output values output frequencies panel setup parameters and error codes Transmission Feature The 2558A can transmit output values and output frequencies The 2558A can transmit panel setup parameters and the status byte The 2558A can transmit error codes when errors occur Note Talk only listen only and controller capabilities are not available GP IB Interface Specifications Item Specifications Supported devices Electrical and mechanical Functional specifications Protocol Code Mode Address Clear remote mode National Instruments Corporation PCI GPIB or PCI GPIB PCle GPIB or PCle GPIB PCMCIA GPIB or PCMCIA GPIB not supported on Windows Vista or Windows 7 GPIB USB HS Driver NI 488 2M Version 2 8 1 and later Conforms to IEEE St d 488 1978 See the table below Complies with IEEE St d 488 2 1992 when using standard commands ISO ASCII codes Addressable mode The address can be set in the range of 0 to 30 Clear remote mode by flipping the OUTPUT switch to the LOCAL side This is not possible when local lockout has been activated by the controller Functional Specifications Function Subset Name Description Source handshaking Acceptor handshaking Talker Listener Service request Remote local Paralle
112. l be 5 V Command Mnemonic gt gt SOURce FUNCtion VOLTage CURRent SOURce RANGe lt Voltage gt lt Current gt IM 2558A 01EN 5 5 uoneJauoes juaJin2 pue eBeyjoA a 5 4 Main Voltage and Current Settings Procedure Turn the main setting dial to set the voltage or current level to generate The main setting display shows the voltage or current level Example of setting 100 00 V 20 0 0 i Use each dial to set the corresponding digit or digits shown by the frames Carrying over and borrowing occurs automatically within the selectable range Explanation Range For details see the explanation in section 5 3 Maximum and Minimum Settings Minimum 0 of each range rating The accuracy specifications apply to 1 or greater Maximum 120 of each range rating The accuracy specifications apply up to 120 For details on the accuracy specifications see section 16 2 You can control the main setting while the voltage or current is being output If you set the voltage level to 150 V or higher beeps will be generated For details on how to turn the beeps on and off see section 8 1 The setting appears flush right within the display resolution range of each voltage or current range setting 1V range lt lt Command Mnemonic gt gt SOURce FUNCtion VOLTage CURRent SOURce LEVel Current Voltage MINimum MAXimum IM 2558A 01EN 5 5 Dividing the Output Procedure 7 Tur
113. l polling Device clear Device trigger Controller Electric characteristics SH1 AH1 T6 L4 SR1 RL1 PPO DC1 DT1 CO E1 Full source handshaking capability Full acceptor handshaking capability Basic talker capability serial polling and untalk on MLA My Listen Address No talk only capability Basic listener capability and unlisten on MTA My Talk Address No listen only capability Full service request capability Full remote local capability No parallel polling capability Full device clear capability Device trigger capability No controller capability Open collector IM 2558A 01EN uondo gi dD BH 11 1 GP IB Interface Features and Specifications Switching between Remote and Local Modes When Switching from Local to Remote Mode The 2558A switches to remote mode when it is in local mode and it receives a REN Remote Enable message from the PC The REMOTE indicator turns on All dials and switches are disabled except for the flipping of the OUTPUT switch to the LOCAL side to change the 2558A to local mode Settings entered in local mode are retained even when the 2558A switches to remote mode When Switching from Remote to Local Mode When the 2558A is in remote mode and you flip the OUTPUT switch to the LOCAL side the 2558A switches to local mode This is not possible when local lockout see section 11 4 has been activated by the controller The REMOTE indicator turns off Dials and swit
114. les the settings that were present when the upper level query was made to be reproduced later on However some upper level queries do not return setup parameters that are not currently in use Exercise caution because not all of a group s information is necessarily returned in a response Header Interpretation Rules The 2558A interprets the header that it receives according to the rules below Mnemonics are not case sensitive Example SOURce can also be written as source or SOURCE The lower case characters can be omitted Example SOURce can also be written as SOURC or SOUR The question mark at the end of a header indicates that it is a query You cannot omit the question mark Example The shortest abbreviation for SySTem is SYST Parts of commands and parameters enclosed in square brackets can be omitted Example OUTPut STATe ON can also be written as OUTP ON However the last section enclosed in square brackets cannot be omitted in an upper level query Example SYSTem and SYSTem COMMunicate are different queries 12 4 IM 2558A 01EN 12 3 Responses Responses When the controller sends a query with a question mark the instrument returns a response in the following format header data Example SOURce FUNCtion lt RMT gt gt SOURCE FUNCTION VOLTAGE If You Want the 2558A to Return Responses without Headers You can configure the
115. librate from the minimum value up character data oco rea eren 12 7 compatible commands sssssssse 11 6 13 11 imped terminal sian tete tag natu ot Read 3 11 el m current range current range and range generated ssssss 2 2 current terminals reir err dn 3 10 CUESOF SWILE se ecce anason aaen eer P da eden 1 3 D Page DCL Device Clear seseesessessseeeeeeneeenen 11 7 OCAGIOCK de rin E A S 12 2 decimal ta rcr eet e er reri Reed 12 6 default gateway cone tensa 10 3 13 12 Gevlalior uan ci crees 2 5 5 10 6 7 App 3 DEVIATION PRESET 1 4 deviation dial uccisi cer che dcr A 5 10 13 7 deviation dials sss sceaciessaessenscnicesetomesasvsanstnesterseessarseao cane 1 4 6 7 DEVIATION display cnr ttt 1 4 DHCP 10 8 13 11 divider value cipere teer tenete 24 5 7 poem 5 13 6 10 13 10 DOWN IDGICBLOF cese ert come xe eren err rer ere nra 1 4 AE Nes RENE SEEN Avda ke ak Re Eo Hle E ERR ER REN ER eda tb eR eS ERE CEA 15 2 2 9 8 2 2 3 5 3 13 5 TuS 13 5 EXT2 PHASE en eren rre xa 2 3 5 3 EXT OSG INBPLUJT iion ett rire enit ein dosi de 7 1 F Page firmware version 13 13 FMAX 13 5 iau m u 13 5 Trequeri y niodo optar trac dads 2 3 12 6 13 5 FREQUENCY PHASE ccccccccsssccesssceeessseceesseeeesssseeessee
116. ls a 5 digit main setting display and a unit indicator The decimal place varies depending on the RANGE dial setting Main setting display Displays the voltage or current level The number of displayed digits varies depending on the voltage or current range Unit indicator Displays the voltage or current unit Voltage mV V Current mA A Main setting dials Set the number of each digit on the main setting display in the range of 0 to 9 Carrying over and borrowing occurs automatically up to 120 of the voltage or current range If the upper or lower limit of the range is reached turning the dial further will not change the number of the digit IM 2558A 01EN 1 3 suonoun pue sauiewN 3ueuoduo 1 2 Dial and Switches DEVIATION PRESET Section The DEVIATION PRESET section consists of two deviation dials a 4 digit DEVIATION display a PRESET switch and a preset indicator DEVIATION display Displays the deviation in reference to the main setting Preset value indicator Displays the deviation value set with the PRESET switch PRESET switch Set the deviation in reference to the main setting Deviation dial 2 Sets the hundredths digit of the deviation value display You can turn this dial with less torque Deviation dial 1 Sets the tenths digit of the deviation value display The deviation dial sets the number of each digit in the range of 0 to 9 Dial 1 changes the number in increments of 2 Dial 2 cha
117. made up of the digits 0 and 1 B001100 Register is not case sensitive Response messages are always expressed in the lt NR1 gt form lt Character Data gt lt Character Data gt is a specified string of character data a mnemonic It is mainly used to indicate options and is chosen from the character strings given in The data interpretation rules are the same as those described in Header Interpretation Rules in section 12 2 Syntax Example voLTage CURRent VOLTage As with the header the COMMunicate VERBose command can be used to select whether to return the response in the full form or in the abbreviated form The COMMunicate HEADer setting does not affect Character data Boolean Boolean is data that indicates ON or OFF Use one of the following syntaxes Syntax Example ON OFF lt NRf gt ON OFF 1 0 When lt NRf gt is expressed in the form OFF is selected if the rounded integer value is 0 and ON is selected for all other cases Aresponse message is always returned with a 1 if the value is ON and with a 0 if the value is OFF String Data String data is not a specified character string like Character data It is an arbitrary character string The character string must be enclosed in single quotation marks or double quotation marks Syntax Example String Data ABC IEEE488 2 1992 Ifa charac
118. n 50 Hz 60 Hz 40 Hz lt f lt 400 Hz 400 Hz lt f lt 1 kHz 100 mV 10 pV 1V 100 uV 10V 1mV T00 V T0 mV 0 013 0 015 0 03 300 V 10 mV 1000 V 100 mV 3 Add 0 001 of Range for the 1 year accuracy AC Current Conditions Frequency Using the internal oscillator Temperature humidity 23 C 3 C 2095 RH to 8096 RH When the temperature is in the range of 5 C to 20 C or 26 C to 40 C add the temperature coefficient Output terminals LO terminal grounding Measurement bandwidth Up to 50 kHz Output range 10 to 120 of range Range Display Accuracy 180 days of Setting of Range Resolution 50 Hz 60 Hz 40 Hz lt f lt 400 Hz 400 Hz f S 1 kHz 100 mA 10 pA 1A 100 pA TOA i M 0 04 0 01 0 06 0 01 0 12 0 02 50A 1mA 4 Add 0 015 of Setting for the 1 year accuracy Output range 1 to 10 of range Range Display Accuracy 180 days of Range Resolution 50 Hz 60 Hz 40 Hz lt f lt 400 Hz 400 Hz f S 1 kHz 100 mA 10 uA 1A 100 pA 10A y HA 0 014 0 016 0 032 50A 1 mA 5 Add 0 0015 of Range for the 1 year accuracy 16 2 IM 2558A 01EN 16 2 Accuracy Item Specifications Stability 20 ppm of setting 30 ppm of range Conditions Output value Frequency Output terminals Temperature humidity Other conditions Time 196 to 12096 of range Using the internal oscillator LO terminal grounding 23 C 3 C 2096 RH to 80 RH no fluctuation No fluctuation such as wind From 1 m
119. n the m dial The m display shows the denominator of the divider value the number of divisions A Turn the n dial The n display shows the numerator of the divider value Divider value example x GENUIT NND 2 Set numerator n 1 Set denominator m Explanation This feature divides the voltage or current level set with the main setting dials main setting x divider value The range for denominator m is 4 to 15 The range for numerator n is 0 to m Turning the m dial resets numerator n to the denominator m value The n value cannot be set larger than the m value Setting a divider value does not affect the value shown on the main setting display When the power is turned on denominator m that was used previously is restored The numerator n is reset to the denominator m value For example if 100 00 V is specified by the range and main setting the voltage is divided as follows n m 0 5 0 V n m 1 5 20 V n m 2 5 40 V n m 3 5 60V n m 4 5 80 V n m 5 5 100 V Command Mnemonic gt gt DIVider NUMerator NRf MINimum MAXimum DIVider DENominator lt NRf gt MINimum MAXimum IM 2558A 01EN 5 7 uoneJoauec zuana pue eBejyoA a 5 6 Turning the Output On and Off AN WARNING Never touch the terminals or cables when the 2558A output is on Doing so may cause electric shock Procedure Flip the OUTPUT switch up The output turns on the ON indica
120. ndix 3 Example of Using the 2558A to Calibrate a Power Meter To calibrate a power meter two 2558As are used one for voltage output and another for current output In addition a WT3000 Precision Power Analyzer 760301 is used as a reference power meter Synchronous Operation To synchronize the voltage and current outputs one 2558A is used as a master device to transmit a synchronization signal to the other 2558A slave See sections 2 6 and 5 2 OSC OUTPUT EXT OSC INPUT EXT OSC INPUT 2558A master 2558A slave Setup example Frequency set to 60 Hz Setup example Frequency set to EXT2 Adjusting the Phase Angle Connect the reference power meter and the power meter under calibration as shown below Set appropriate ranges and values on the master and slave devices Turn the output on and adjust the phase difference between the voltage and current outputs Adjust the phase angle on the slave 2558A Turn the VARIABLE dial on the slave 2558A so that the power factor of the reference power meter is at the calibration point See sections 2 2 and 5 2 2558A master 2558A slave Setup example Setup example Set RANGE to 100V Set RANGE to 10 A Voltage output Current output The specified phase angle terminals terminals eo Om E Unit Set the phase angle value Reference Power meter power meter under calibration WT3000 Calibration Apply the same voltage and current to the reference power meter and the power meter under
121. ned Off If an abnormality is detected in the internal circuit due to a voltage or current overloading voltage or current output oscillation and so on the 2558A will turn off the output and display a warning message No 031 to 035 on the output display In the case of voltage output remove the cause of the problem such as the external load and turn the output on again In the case of current output remove the cause of the problem such as the external load short the current terminals and turn the output on again If the output still turns off after you have corrected the problem the 2558A may be malfunctioning Contact your nearest YOKOGAWVA dealer Turn the Power Switch Off If Overheat is Detected If internal overheating is detected due to a fan malfunction and so on the 2558A will turn off the output display an error code No 901 to 903 and beep intermittently If this happens immediately turn the power switch off Check that the inlet or outlet holes for the cooling fan are not blocked and that there is adequate space around the 2558A Check for and remove any foreign objects that are caught in the filter on the rear panel If the same error code appears when you turn the power switch on after waiting at least an hour the 2558A may be malfunctioning Contact your nearest YOKOGAWA dealer IM 2558A 01EN 3 1 uoneiedald 3 1 Handling Precautions General Handling Precautions Do Not Place Objects on Top of the Inst
122. ned even when the 2558A switches to local mode Note You cannot use the Ethernet interface simultaneously with other interfaces GP IB and USB IM 2558A 01EN 10 1 928j19 U jouJ9u13 a 10 2 Connecting to the Ethernet Interface Connection Procedure Connect a UTP Unshielded Twisted Pair or STP Shielded Twisted Pair cable that is connected to a hub or other network device to the Ethernet port on the 2558A rear panel Hub or router that supports 100BASE TX 10BASE T mm D UD 99 EN Toj UTP or STP cable straight cable Network card Ethernet port Notes on Connection To connect the 2558A to a PC be sure to use straight cables and to connect through a hub or router Proper operation is not guaranteed for a one to one connection using a crossover cable Usea network cable that supports the data rate of your network 10 2 IM 2558A 01EN 10 3 Configuring the 2558A Ethernet Settings This section explains the following setting for remotely controlling the 2558A via the Ethernet interface Turning DHCP On and Off 5 Confirm the setting 2 Select LAN These turn off when the setting is confirmed FREQUENCY PHASE L Hn lt gt an 3 Turn a dial to select DHCP 4 Turn either dial to 60 EXT2 PHASE select ON or OFF Tae sw y wax E 1 Select SETUP 7 Turn the FREQUENCY dial to select SETU
123. ned in IEEE 488 2 1992 and are independent from the instrument s individual functions There are no front panel dials and switches that correspond to the commands in this group CLS Function Syntax Example Description ESE Function Syntax Example Description ESR Function Syntax Example Description Clears the standard event register extended event register and error queue CLS CLS Ifthe CLS command is located immediately after the program message terminator the output queue is also cleared For information about each register and queue see chapter 14 Sets or queries the standard event enable register ESE NRf ESE lt NRf gt 0 to 255 ESE 251 ESE gt 251 Specify the value as a sum of the values of each bit in decimal format For example specifying ESE 251 will cause the standard enable register to be set to 11111011 In this case bit 2 of the standard event register is disabled This means that bit 5 ESB of the status byte register is not set to 1 even if a query error occurs The default value is ESE 0 all bits disabled Aquery using ESE will not clear the contents of the standard event enable register For information about the standard event enable register see section 14 3 Queries and clears the standard event register ESR ESR gt 32 Asum of the values of each bit is returned in decimal format When an SRQ is sent you
124. nges the number in increments of 1 Carrying over and borrowing occurs automatically up to 20 If the upper or lower limit of the range is reached turning the dial further will not change the number SWEEP Section The SWEEP section consists of a SWEEP switch and a pair of UP and DOWN indicators for indicating the sweep direction UP indicator llluminates when sweeping up UP A A v v HOLD ol DOWN indicator llluminates when sweeping down SWEEP switch UP sweep Flip the switch up to sweep up Flipping the switch down while sweeping up stops the sweeping HOLD state DOWN sweep Flip the switch down to sweep down Flipping the switch up while sweeping down stops the sweeping HOLD state OUTPUT Section The OUTPUT section consists of a OUTPUT switch and a pair of ON and OFF indicators ON indicator Illuminates when voltage or current is being generated OUTPUT switch Local mode Flip up to turn the output on Flip down to turn the output off Flipping this switch down in remote mode controlled through communications causes the 2558A to switch to local mode OFF indicator Illuminates when voltage or current is not being generated IM 2558A 01EN 1 2 Dial and Switches OUTPUT DIVIDER Section The OUTPUT DIVIDER section consists of m and n dials for setting the divider value n m and m and n displays to show the value n display Indicates the numerator of the divider value n dial Sets the numerator
125. not set a deviation that would cause the frequency to be 1000 Hz or higher Resolution 0 0196 Presets When you change the numerator n of the output divider feature the deviation is set to a value based on the change in n and the preset When you calibrate a meter you will change the numerator n of the output divider feature to move the calibration point A preset is used to take the meter error or overshoot into consideration so that when you move the calibration point the calibration point is not exceeded The sign of the deviation preset is positive when calibrating in increasing order calibrating from the smallest value and negative when calibrating in decreasing order calibrating from the largest value Value 5 The deviation is set to 5 when the numerator n of the output divider feature increases and 5 when it decreases 2 The deviation is set to 2 when the numerator n of the output divider feature increases and 2 when it decreases 0 The deviation is set to 0 when the numerator n of the output divider feature changes OFF Presets are not used When you change the preset setting the deviation is set to the preset value You cannot change the preset while a sweep is in progress If you flip the PRESET switch down from the OFF position the deviation will be set to 0 The default preset is O Command Mnemonic gt gt DEViation PRESet lt Percentage gt OFF DEViation VALue Percentage MINimum
126. nts A PC with a USB port running the English or Japanese version of Windows 7 32 bit 64bit Windows Vista 32 bit or Windows XP 32 bit SP2 or later Switching between Remote and Local Modes When Switching from Local to Remote Mode The 2558A switches to remote mode when it is in local mode and it receives a COMMunicate REMote ON command from the PC The REMOTE indicator illuminates All dials and switches are disabled except for the flipping of the OUTPUT switch to the LOCAL side to change the 2558A to local mode Settings entered in local mode are retained even when the 2558A switches to remote mode When Switching from Remote to Local Mode When the 2558A is in remote mode and you flip the OUTPUT switch to the LOCAL side the 2558A switches to local mode However this does not work if the 2558A has received a COMMunicate LOCKout ON command from the PC The 2558A switches to local mode when it receives a COMMunicate REMote OFF command from the PC regardless of the local lockout state The REMOTE indicator turns off Dials and switches can be used Settings entered in remote mode are retained even when the 2558A switches to local mode Note You cannot use the USB interface simultaneously with other interfaces GP IB and Ethernet interfaces IM 2558A 01EN o2ejieju ASN e 9 2 Connecting to the USB Interface Connection Procedure Connect the cable as shown below 2558A Notes
127. o e Lote pe beu e Ed 5 2 Selecting the Voltage or Current Range sssssssssssssseseseeeeseen entente 5 5 Main Voltage and Current SettihgS ieii eaae EE EEE nnne etas 5 6 Dividing the OULD Ul e 5 7 Turing the Output On and Off aee onte dee ihe ia ee tec ees 5 8 Finely Adjusting the Output Deviation and Preset sssssssssseeee 5 10 SWEEPING A cL E M 5 12 IM 2558A 01EN Contents Chapter 6 Calibrating the Frequency Meter 6 1 Selecting Whether to Ground the LO Terminal COMMON Terminal 6 1 6 2 Setting the Frequency eiie citet Reti des E Rod Le ae LA Ie Res ES este ee Rute eb eR Eee 6 2 6 3 Selecting the Voltage or Current Range seems 6 3 6 4 Main Voltage and Current Settings iced nein cec tab dee cedens 6 4 6 5 Dividing the Output tore iaa aia e et eet usines casta sisaria 6 5 A 6 6 Turning the Output On and OIF cies med eiie teins 6 6 6 7 Finely Adjusting the Output Deviation and Preset sse 6 7 6 8 SWEEPING s e ete tte ebrei ithe iia Rave ae ferte ns 6 9 Chapter 7 Synchronous Operation AA T 1 External Signal Input and Internal Signal Output sse 7 1 7 2 Synchronous Operatlon euet eterne cede rette hee tee Rub odes ke nonne nadie aiaa tiai 7 3 Chapter 8 Other Features 8 1 Turning the Beep Sound On and Off ssssssss
128. o input terminal sin Q Connect to input terminal sin Q 16 5 Computer Interface USB for PC Connection Item Specifications Number of ports 1 Connector type Type B connector receptacle Electrical and mechanical Supported transfer modes Supported protocols PC system requirements Conforms to USB Revision 2 0 HS High Speed 480 Mbps and FS Full Speed 12 Mbps USBTMC USBA88 USB Test and Measurement Class Ver 1 0 A PC with a USB port running the English or Japanese version of Windows 7 32 bit Windows Vista 32 bit or Windows XP 32 bit SP2 or later Ethernet Item Specifications Ports 1 Connector type RJ 45 Electrical and mechanical Transmission system Transfer rate Protocol Supported services Conforms to IEEE 802 3 100BASE TX 10BASE T 100 Mbps max TCP IP VXI 11 DHCP GP IB C1 Option Item Specifications Electrical and mechanical Functional specifications Protocol Address Conforms to IEEE St d 488 1978 SH1 AH1 T6 L4 SR1 RL1 PPO DC1 DT1 and CO Conforms to IEEE St d 488 2 1992 0 to 30 IM 2558A 01EN 16 5 a suoneo2yi2ods 16 6 General Specifications Item Specifications Warm up time Approx 30 minutes after acclimatizing the 2558A to the operating environment for at least an hour Operating environment Temperature 5 C to 40 C Humidity 20 RH to 80 RH no condensation Storage environment Temperature
129. o occur Syntax COMMunicate WAIT lt Register gt lt Register gt 0 to 65535 Example COMMUNICATE WAIT H0008 Description For details on how to use the COMMunicate WAIT command to synchronize the 2558A see section 12 5 For details on the extended event register see section 14 4 COMMunicate WAIT Function Creates the response that is returned when a specified extended event occurs Syntax COMMunicate WAIT Register Register 0 to 65535 Example COMMUNICATE WAIT 65535 gt 1 Description For details on the extended event register see section 14 4 Operation pending status register and overlap enable register IM 2558A 01EN 13 3 spueululo2 a 13 3 DIVider Group The commands in this group deal with the output divider settings The commands correspond to the front panel m and n dials DIVider Function Queries all output divider settings Syntax DIVider DIVider DENominator Function Sets or queries the denominator of the output divider Syntax DIVider DENominator NRf MINimum MAXimum DIVider DENominator lt NRf gt 4 to 15 MINimum 4 MAXimum 15 Example DIVIDER DENOMINATOR 4 DIVIDER DENOMINATOR gt 4 DIVider NUMerator Function Sets or queries the numerator of the output divider Syntax DIVider NUMerator NRf MINimum MAXimum DIVider NUMerator lt NRf gt 0 to 15 MINimum 0 MAXimum 15 Example DIVIDER NUMERATOR 4 DIVIDER NUMERATOR
130. on and Presets ine eot de Ie Dee saverenwier EUER HE DF Re SUV SEDE A cR PERS 2 5 2 5 SWOSDIDG en terre nn ner rennet errecer ner DRAIPE RID UIDES EDI EISE D tIDM MIDI LIPS LS EL IIS IIIS ILE DIS PD Seine efe Dd 2 7 2 6 Synchronous Operation eic ec eh wean e hi eie ve ue hte EY Ee Ee Y ue 2 8 2 7 lei NI Lu 2 9 Chapter3 Preparation 3 1 Handling PRECAUTIONS ooh ooi resoto a e 3 1 3 2 Installing the InStr rmnent 1x niii ice ee eee cie rer nce Eee E REEE 3 3 A 3 3 Connecting to the Power Supply issii eia aiaiai ai 3 6 3 4 Turning On and Off the Power Switch sessssssssssssseseneeeneeetn entente nnne 3 7 A 3 5 Wiring PRECAUTIONS e odere e een ccrte Tia pian aou cie dace deen CX RR eR 3 9 A 3 6 Connecting Gables n iiti bees cea ins dads Ee EFEL T Ee SEE coe a nba Co EI RE a EET eaaa d bead edad 3 10 Chapter 4 How to Use the SETUP Menu Chapter 5 4 1 4 2 4 3 SETUP Menu Tree StfUClUre ione detnr Freue eee deni nines dune EH E REED Eee ne pee 4 1 SETUP Menu and Dial Assignments cc cccccccceceeeceeeeeeeeesenaeeeeeeeeeenaeceeeeseeneeeeeeeaes 4 3 Entering and Displaying Values sssssssssssssssesesene ener nnne nns 4 4 Voltage and Current Generation 5 1 5 2 5 3 5 4 5 5 A 5 6 5 7 5 8 Selecting Whether to Ground the LO Terminal COMMON Terminal 5 1 Setting the Frequency aiii iei e i ete terc Pe bi uc e
131. op Install the instrument on a stable surface that is level in all directions and that is not slippery The supplied rubber stoppers can be attached to the feet at the rear of the instrument to prevent the instrument from sliding You can install the instrument in a tilted position using the movable legs Do not adjust the movable legs in an unstable condition Do not place the instrument in any position other than those shown in the above figures Donotstack the instruments with the movable legs pulled out Only one instrument can be stacked on top of another Do not stack multiple instruments on top of one instrument Rubber leg cap ES A9088ZM Foot at the rear of gt P4 the instrument Note If you attach the front rubber leg cap you will not be able to stack the 2558A 3 4 IM 2558A 01EN 3 2 Installing the Instrume nt Rack Mounting To rack mount the instrument use the separately sold rack mount kit Item Model Model 751535 E3 Rack mount kit for mounting one 2558A on an EIA standard rack 751535 E3 Model 751535 J3 Rack mount kit for mounting one 2558A on a JIS standard rack 751535 J3 An outline of the mounting procedure is given below For detailed instructions see the manual tha is included with the rack mount kit 7 Remove the handles from both sides of the instrument A Remove the four feet from the bottom of the instrument
132. ormer biasing that could occur due to drastic changes in the output when the setting is changed by a great amount The amplifier control block immediately after the output is turned on assumes temporarily that there are no errors in the amplification factor or input amplitude and provides a coefficient that corresponds to the setting after it has been smoothed to the multiplying DAC After the operation starts the amplitude is adjusted every 0 4 seconds on the basis of the feedback voltage or current signal The signal that is fed back to the amplifier control block is fully rectified Then level normalization is used to determine the ratio of the setting to the output amplitude Next this ratio is averaged and weighted over a given interval The average reflects the amplifier gain and other factors and is not directly affected by the setting This value is then used to calculate the gain correction value to control the amplitude of the voltage or current output As described above because the 2558A output amplitude is controlled on the basis of waveform average values if the output waveform distortion increases due to overloading the use of a nonlinear load or the use of an external signal with large distortion an error results in the rms output level that is measured On the other hand if the 2558A is used in a test that checks the excitation current of a transformer or other device or in a similar application high reproducibility is achiev
133. ory Keep program messages to 1024 bytes or less in length including 12 2 lt PMT gt 241 Hardware missing Check that the specified options are all installed 260 Expression error Mathematical operations cannot be used 270 Macro error The 2558A does not support the IEEE 488 2 macro specifications 272 Macro execution error The 2558A does not support the IEEE 488 2 macro specifications 273 Illegal macro label The 2558A does not support the IEEE 488 2 macro specifications 275 Macro definition too long The 2558A does not support the IEEE 488 2 macro specifications 276 Macro recursion error The 2558A does not support the IEEE 488 2 macro specifications 277 Macro redefinition not allowed The 2558A does not support the IEEE 488 2 macro specifications 278 Macro header not found The 2558A does not support the IEEE 488 2 macro specifications 15 4 IM 2558A 01EN 15 3 Communication Error Messages Communication Query Errors 400 to 499 Code Message Corrective Action Page 410 Query INTERRUPTED Check the transmission and reception order 12 2 420 Query UNTERMINATED Check the transmission and reception order 12 2 430 Query DEADLOCKED Keep program messages to 1024 bytes or less in length 12 2 including lt PMT gt 440 Query UNTERMINATED after indefinite response Do not write a query after IDN or OPT System Communication Errors 300 and 399 Code Messa
134. overshoot into consideration so that when you move the calibration point the calibration point is not exceeded The sign of the deviation preset is positive when calibrating in increasing order calibrating from the smallest value and negative when calibrating in decreasing order calibrating from the largest value Value 5 The deviation is set to 5 when the numerator n of the output divider feature increases and 5 when it decreases 2 The deviation is set to 2 when the numerator n of the output divider feature increases and 2 when it decreases 0 The deviation is set to 0 when the numerator n of the output divider feature changes OFF Presets are not used When you change the preset setting the deviation is set to the preset value You cannot change the preset while a sweep is in progress If you flip the PRESET switch down from the OFF position the deviation will be set to 0 00 The default preset is O Command Mnemonic gt gt DEViation PRESet lt percentage gt OFF DEViation VALue percentage MINimum MAXmam IM 2558A 01EN uoneJauos juaJin2 pue eBeyjoA a 5 8 Sweeping Procedure Setting the Sweep Time 4 Confirm the setting 2 Select SWEEP These turn off when the setting is confirmed FREQUENCY PHASE SZEEP app VAR pyri 3 Turn either dial to 60 EXT2 PHASE select 16 32 or 64 50 A MIN pREQUENeY ew a 1 Select SETUP 7 Turn
135. ower hierarchical level lt Mnemonic gt Compound header example SOURce FUNCtion Simple Header These commands are functionally independent and are not contained within a hierarchy The format of a simple header is shown below e s DOE Simple header example OUTput Note A lt mnemonic gt is an alphanumeric character string When Concatenating Commands Command Groups A command group is a group of commands that have common compound headers arranged in a hierarchy A command group may contain sub groups Example A portion of the commands from the frequency sweep command group FREQuency INTernal FMETer MAXimum FREQuency INTernal FMETer MINimum When Concatenating Commands of the Same Group The 2558A stores the hierarchical level of the command that is currently being executed and processes the next command on the assumption that it belongs to the same level Therefore the common header section can be omitted for commands that belong to the same group Example FREQuency INTernal FMETer MAXimum 400Hz MINimum 40Hz When Concatenating Commands of Different Groups If the subsequent command does not belong to the same group place a colon in front of the header this colon cannot be omitted Example FREQuency INTernal FMeter MAXimum 400Hz FREQuency INTernal VARiable 40Hz When Concatenating Simple Headers If a simple header follows another command
136. r 2 depending on the item Carrying over and borrowing occurs automatically When the upper or lower limit is reached the value will no longer change even if you turn the dial further Displaying the Log The availability of logging information and a number indicating the order of logging information are displayed The logging information is indicated on the auxiliary information display OUTPUT display If logging information is available turn the deviation dial to switch the display Example NO none 3 10 displaying the third one out of 10 Executing a Function For items that represent functions that are to be executed such as INIT and TEST EXEC is displayed Depending on the item executing the function will initialize the settings or clear the logging information You cannot undo it so make sure it is okay to execute the function in advance EXEC display E E C 4 4 IM 2558A 01EN Chapter 5 Voltage and Current Generation 5 1 Selecting Whether to Ground the LO Terminal COMMON Terminal Procedure CAUTION If the target device is not grounded ground the LO terminal ON If it is not grounded OFF electric shock may occur 4 Confirm the setting 2 Select EARTH Turns off when the setting is confirmed 3 Turn either dial to 50 EXT2 PHASE select ON or OFF 50 MIN Frequency eu J wax M lt a 1 Select SETUP 7 Turn the FREQUENCY dial to select SETUP The indicator corre
137. ries the Ethernet DHCP on off state 13 11 DHCP SYSTem COMMunicate ETHernet IP Sets or queries the Ethernet IP address 13 12 SYSTem COMMunicate ETHernet Sets or queries the Ethernet subnet mask 13 12 MASK SYSTem COMMunicate ETHernet Sets or queries the Ethernet default gateway 13 12 GATEway SYSTem COMMunicate ETHernet Sets or queries the Ethernet MAC address 13 12 MACaddress SYSTem REBoot Restarts the 2558A when the specified time elapses 13 12 Common Command Group CLS Clears the standard event register extended event register and error queue 13 13 ESE Sets or queries the standard event enable register 13 13 ESR Queries and clears the standard event register 13 13 IDN Queries the instrument model 13 13 OPC Sets bit 0 the OPC bit of the standard event register to 1 upon the 13 13 completion of the specified overlap command OPC Returns ASCII code 1 when the specified overlap command is completed 13 13 OPT Queries the installed options 13 13 RST Initializes settings 13 14 SRE Sets or queries the service request enable register value 13 14 STB Queries the Status Byte Register value 13 14 TST Executes a self test and queries the result 13 14 WAI Holds the execution of the subsequent command until the completion of the 13 14 specified overlap command 13 2 IM 2558A 01JA 13 2 COMMunicate Group The commands in this group deal with communi
138. rument Never place other instruments or any objects containing water on top of it Doing so may damage the instrument For details on stacking the 2558A see section 3 2 Keep Electrically Charged Objects Away from the Instrument Keep electrically charged objects away from the input and output terminals They may damage the internal circuitry Unplug during Extended Non Use Turn off the instrument and remove the power cord from the outlet When Carrying the Instrument Use two people to carry this instrument Firmly hold the handles on the side of the case The instrument weighs approximately 20 kg the center of gravity is somewhat toward the back Be careful of injury In addition be sure to turn off the power switch and remove the power cord and other connected cables before carrying the instrument When Cleaning the Instrument When cleaning the case or the operation panel turn the instrument and remove the instrument s power cord from the outlet Then wipe the instrument lightly with a clean dry cloth Do not use chemicals such as benzene or thinner Doing so may cause discoloring and deformation IM 2558A 01EN 3 2 Installing the Instrument Donotinstall the instrument outdoors or in locations subject to rain or water Install the instrument so that you can immediately remove the power cord if an abnormal or dangerous condition occurs CAUTION If you block the outlet holes on the top and bottom or t
139. s EESR Extended event enable Extended event register mask register STATus EESE STATus EESE Condition register Current device status STATus CONDition Transition filter Conditions that change the STATus FILTer lt x gt STATus FILTer lt x gt extended event register Output queue Stores response messages for Query commands queries Error queue Stores error numbers and STATus ERRor messages Registers and Queues That Affect the Status Byte The following registers affect the status byte bits Register Affected Status Byte Bit Standard event register Sets bit 5 ESB to 1 or 0 Output queue Sets bit 4 MAV to 1 or 0 Extended event register Sets bit 3 EES to 1 or 0 Error queue Sets bit 2 EAV to 1 or 0 Enable Registers The following registers are used to mask a bit so that the bit will not affect the status byte even when it is set to 1 Masked Register Mask Register Status byte Service request enable register Standard event register Standard event enable register Extended event register Extended event enable register Reading and Writing to Registers For example use the ESE command to set the standard event enable register bits to 1 and 0 You can use the ESE command to query whether the standard event enable register bits are ones or zeros For details on these commands see chapter 13 14 2 IM
140. s correct but the command cannot be executed in the current state Example A command whose parameter is outside the allowable range was received Bit 3 DDE Device Error This bit is set to 1 when a command cannot be executed for internal reasons other than a command syntax error or command execution error e Bit 2 QYE Query Error This bit is set to 1 when a query command is received but the output queue is empty or the data is lost Example There is no response data or data is lost due to an overflow in the output queue Bit 1 RQC Request Control Not used always 0 e Bit 0 OPC Operation Complete This bit is set to 1 upon the completion of the operation designated by the OPC command see chapter 13 for details Bit Masking To mask a certain bit of the standard event register so that it does not cause bit 5 ESB in the status byte to change set the corresponding bit of the standard event enable register to 0 For example to mask bit 2 QYE so that ESB will not be set to 1 even if a query error occurs set bit 2 of the standard event enable register to O Do this using the ESE command To query whether each bit of the standard event enable register is 1 or 0 use ESE For details on the ESE command see chapter 13 Standard Event Register Operation The standard event register indicates eight types of events that occur inside the instrument When one of the bi
141. s 758933 red and black one pc each length 1 m GP IB connector GP IB Use a shielded cable that is 3 m in length or less Ethernet port ETHERNET Use a category 5 or better Ethernet cable STP that is 30 m in length or less USB port for PCs USB Use a shielded USB cable that is 3 m in length or less Immunity Compliant standard EN61326 1 Table 2 for industrial locations Cable conditions Same as the cable conditions for emission above 1 The overvoltage category installation category is a value used to define the transient overvoltage condition and includes the rated impulse withstand voltage The overvoltage category II applies to electrical equipment that is powered through a fixed installation such as a switchboard 2 Pollution Degree applies to the degree of adhesion of a solid liquid or gas that deteriorates withstand voltage or surface resistivity Pollution degree 2 applies to normal indoor atmospheres with only non conductive pollution 16 6 IM 2558A 01EN 16 7 External Dimensions Unit mm Rear view 13 24 5 Unless otherwise specified tolerances are 3 however tolerances are 0 3 mm when below 10 mm a suoneoyi2ods IM 2558A 01EN 16 7 Appendix Appendix 1 Block Diagram EXT OSC INPUT Primary side Secondary side Y OSC OUTPUT ext I I Voltage amplifier i 1 I Voltage iSecondary 09 31 Current amplifier reference voltage new
142. s These commands comply with IEEE488 2 see chapter 13 COMP 2558 compatible commands Notes on Using Existing Programs To use existing programs for the 2558 on the 2558A insert a wait time of 3 seconds in operations that change the output If you do not the program may not work properly For details on COMP commands see the 2558 user s manual 11 6 IM 2558A 01EN 11 4 Responses to Interface Messages Responses to Interface Messages Responses to Uni Line Messages IFC Interface Clear Clears the talker and listener functions Stops data transmission if it is in progress REN Remote Enable Switches between the remote and local modes IDY Identify is not supported Responses to Multi Line Messages Address commands GTL Go To Local Switches the instrument to local mode SDC Selected Device Clear Clears the program message command being received and the output queue see section 14 5 Discards OPC and OPC commands that are being executed Immediately aborts WAI and COMMunicate WAIT commands PPC Parallel Poll Configure and TCT Take Control are not supported GET Group Execute Trigger When the GP IB command type is set to COMP compatible commands this command outputs information about configuration changes and operation status Responses to Multi Line Messages Universal commands LLO Local Lockout Prohibits switching to local mode through the use of the OUTPUT key on the front
143. s 1 3 FREQUWENCY PHASE diSpl y 5 2 2 creen 1 3 FREQUENCY dial 5 rts 5 2 6 2 13 5 FREQUENCY METER MIN MAX eeeeeeeenen 6 2 Trontpatiel onerat tenentes 1 1 G Page GET Group Execute Trigger 11 7 GP IB address 11 5 13 11 ground OOP E ee 5 1 6 1 GTE Go To LOCal cient em t ins 11 7 H Page HIGH VOLTAGE indicator es 2 2 5 5 6 3 15 7 HOUD aiio eere 5 13 6 10 13 10 l Page 1 CUCU sasae E E R EEE AEN G 7 1 connector 7 3 IFC Interface Clear ri rie inerte 11 7 initialization 2 9 13 14 installation conditions isisi irea 3 3 IPaddre SS anor oneee nE e E E EOSS 10 3 13 12 L Page LLO Local Eockout eb ec repre 11 7 HOGA S eee Dd 9 1 10 1 11 2 M Page MAC addr688 cocto eret e cri nere cte 10 4 13 12 HAE e SOMO isn tee secc es apsers EO EE 1 3 13 8 main setting dials 2 2 a Led berpese cues 1 8 5 6 6 4 main setting display 1 3 rti 2 8 7 3 midial iere te reed erm 1 5 5 7 6 5 13 4 IVS OY teense 1 5 messages 12 1 movable legs ses 3 4 MUP eri teret enn genet a pee ncn pes 12 6 N Page 1 5 5 7 6 5 13 4 E 1 5 O Page OFF indicatoren enn des 1 4 5 8 6 6 ONUINGICATOR ERE EERDE AAEN SE 1 4 5 8 6 6 optional accessories tete m cens iii foem OSC OUTPUT OUT
144. s with single or double quotation marks where 12 7 the syntax contains String 151 Invalid string data The String is either too long or it contains an unusable character Chapter 13 158 String data not allowed Use a data type other than String Chapter 13 161 Invalid block data Block data cannot be used 12 7 and chapter 13 168 Block data not allowed Block data cannot be used 5 7 and chapter 6 171 Missing Right Mathematical operations cannot be used 172 Invalid expression Mathematical operations cannot be used Chapter 13 178 Expression data not allowed Mathematical operations cannot be used Chapter 13 181 Invalid outside macro definition The 2558A does not support the IEEE 488 2 macro specifications IM 2558A 01EN 15 3 uonoedsu pue eoueugjure jy 6unoouse qnouj 15 3 Communication Error Messages Communication Execution Errors 200 to 299 Code Message Corrective Action Page 203 Command protected See Adjustment and Calibration in section 15 8 15 11 221 Setting conflict Check settings that are related to each other Chapter 13 222 Data out of range Check the ranges of the settings Chapter 13 223 Too much data Check data byte lengths Chapter 13 224 Illegal parameter value Check the ranges of the settings Chapter 13 225 OverFlow Keep program messages to 1024 bytes or less in length including 12 2 lt PMT gt 226 Out Of Mem
145. set the value The DEVIATION display shows the deviation Turn a deviation dial right to decrease the deviation and increase the output Example of setting 1 50 The specified deviation Set the hundredths digit Set the tenths digit Presets Flip the PRESET switch up or down to select a preset The selected preset indicator illuminates and the deviation display shows the deviation Example of setting 2 00 Select a preset Presets Explanation Deviation When you calibrate a frequency meter using the 2558A use the deviation dials to read the deviation of the target meter the error between a scale value and needle Use FREQUENCY METER MAX MIN and the output divider feature to output the meter scale values nominal frequency and use the deviation dials to align the meter needle to the scale values If you turn a dial to the right and set a negative value the 2558A outputs a value that is larger by the Fspan x the deviation A negative deviation means that the meter needle is indicating a value less than the 2558A output The deviation is relative to the difference between FREQUENCY METER MAX and MIN This is also true even when the output divider feature is in use Fspan FREQUENCY METER MAX FREQUENCY METER MIN Output frequency Fspan x divider value FREQUENCY METER MIN Fspan x deviation Example If FREQUENCY METER MIN is 45 Hz MAX is 65 Hz and the divider value is 1
146. splayed FREQUENCY PHASE The specified frequency 50000 P 400 VAR EXT d s 4 2m SETUP MAX 4 Select 50 60 or 400 Hz Selecting a Specific Frequency VAR 7 Turn the FREQUENCY dial to select VAR The VAR range indicator and the Hz unit indicator illuminate In addition the specified frequency is displayed The selected digit blinks use the cursor switch to move left and right The specified frequency 1 Select VAR 2 Select the digit you want to set 2 Use the cursor switch lt P to select the digit you want to set The selected digit blinks 3 Turnthe VARIABLE dial to set the value 5 2 IM 2558A 01EN 5 2 Setting the Frequency Selecting External Oscillator EXT1 Perform this procedure to obtain an output that is synchronized to an external oscillator Connect the oscillator to the side of the external signal input terminal Turn the FREQUENCY dial to select EXT1 The EXT1 range indicator and the Hz unit indicator illuminate In addition the external oscillator frequency is displayed acy PARE Measures and displays ee the external oscillator frequency 50000 jae 5b XT2 PHASE 50 co MIN Frequency SETUP J max METER 4 Select EXT1 Note If an external oscillator is not connected the frequency display shows OVER and the voltage or current output is turned off Selecting External Oscillator EXT2 Perform this procedure to obtain an output
147. sponding to the selected SETUP range illuminates and the frequency phase angle display area shows the SETUP menu 2 Turn the VARIABLE dial to select EARTH 3 Turn the deviation dial to select ON or OFF When you change the setting all four preset indicators will illuminate 4 Flip the PRESET switch up or down The setting is confirmed and all the preset indicator turn off When you turn it on the LO TO EARTH indicator will illuminate Explanation Set whether to ground the LO terminal of the voltage and current output ON The LO terminal is grounded OFF The LO terminal is not grounded If one of the terminals on the output target is grounded to avoid errors caused by a ground loop connect the LO terminal of the 2558A to the terminal that is grounded and set the LO terminal to no ground OFF If the target device is not grounded ground the LO terminal ON If the LO terminals of multiple 2558As are connected in parallel ground the LO terminal of a single 2558A set to ON and leave the others ungrounded set to OFF Command Mnemonic gt gt SYSTem EARTh Boolean IM 2558A 01EN 5 1 uoneJouac zuan pue eBe3 oA H 5 2 Setting the Frequency Selecting a Fixed Frequency 50 Hz 60 Hz or 400 Hz Turn the FREQUENCY dial to set the output frequency to 50 60 or 400 Hz The indicator corresponding to the selected frequency and the Hz unit indicator illuminate In addition the selected frequency is di
148. ssseeeeeeene enne 8 1 8 2 Error Log DISplay pret er e E Hebe e EP RA C Rr Me tur eate iere 8 2 8 3 Initializing the Settlngs rire E eer Io EEU Eae ere EE oh ERES 8 4 8 4 Displaying the Product Information seem eee 8 5 Chapter 9 USB Interface 9 1 USB Interface Features and Specifications eseen e 9 1 9 2 Connecting to the USB Interface cecinere tetti teint etate 9 2 Chapter 10 Ethernet Interface 10 1 Ethernet Interface Features and Specifications ss 10 1 10 2 Connecting to the Ethernet Interface ssiri sees enin entente 10 2 10 3 Configuring the 2558A Ethernet Settings ssr aeria aa 10 3 Chapter 11 GP IB Option 11 4 GP IB Interface Features and Specifications iniiis anii 11 1 11 2 Connecting to the GP IB Interface rssi emen 11 3 113 Configuring the 2558A GP IB Settings inei ce teen ce cree ce ines 11 5 11 4 Responses to Interface Messages ssssssseeenn eene nennen rne 11 7 Chapter 12 Programming Overview DIEI p 12 1 12 2 SCOMIMANGS eves eiit e er trie fee ate ep ed nih ers fenes 12 3 JI MEICCODhEI P ee 12 5 12 4 Dade tegat uim Lu LES IM II ee 12 6 12 5 Synchronization with the Controller esee 12 8 x IM 2558A 01EN Contents chapter 13 Commands 13 1 13 2 13 3 13 4 13 5 13 6 13 7 13 8 13 9 13 10 13 11 Listof Command DIE
149. ssseeeeeneeenee 15 7 NIE m seein asta seen aie ee en 15 8 Cleaning the IRSE haat Heli et hie na peated eee eed 15 9 Recommended Part Replacement sss enne eene 15 11 Adjustment and Calibration eseseseeneen eene eene enne 15 11 Chapter 16 Specifications Appendix Index 16 1 Range Generated inne eter E Mla Seb Lc Re LR Rude hades 16 1 UMEN recle RUE 16 2 16 3 FUNCIONS cc 16 4 16 4 External Input and Output ssssssssssssssesssseenennnnnnnnnn nnne nennen 16 5 16 5 Gomputer Interface ineii ien ter iere cte iiie e Dar ee 16 5 16 6 General SPSCHICATIONS iuo nocet oce bo bate pat kg aee a ees use ae cek asa EAE deas 16 6 16 7 Extemmal DIMENSIONS oiii i acce iE ecce ree india ie Ria 16 7 Appendix Block Diagt ii i uei gatio oid este turpi EE App 1 Appendix 2 Example of Using the 2558A to Calibrate an Analog Meter App 2 Appendix 3 Example of Using the 2558A to Calibrate a Power Meter sssse App 4 Appendix 4 Phase Shift Feature irei ieee a rE ae aai raa sieaa aia tenens App 5 Appendix 5 Factory Default Settings een App 6 Appendix 6 About the IEEE 488 2 1992 Standard ssssseee App 7 IM 2558A 01EN xi Chapter 1 Component Names and Functions 1 1 Panel Front Panel DEVIATION PRESET section Finely adjusts the output value
150. t you want to calibrate Frequency range FREQUENCY METER MIN 20 Hz to 1000 Hz FREQUENCY METER MAX 20 Hz to 1000 Hz Display resolution Frequency other than 1000 Hz 0 001 Hz 1000 Hz 0 01 Hz The FREQUENCY MIN value cannot be set to a value greater than the FREQUENCY MAX value If the frequency is 40 Hz or less the maximum output oscillation decreases To calibrate a frequency meter whose rating is 100 V use the 300 V range not the 100 V range lt lt Command Mnemonic gt gt FREQuency INTernal FMETer MINimum lt Frequency gt MINimum MAXimum FREQuency INTernal FME Ter MAXimum lt Frequency gt MINimum MAXimum 6 2 IM 2558A 01EN 6 3 Selecting the Voltage or Current Range Procedure Turn the RANGE dial to set the voltage or current range The indicator for the selected range illuminates Current range mA mi Voltage range a ees E A dcs ME 3 Example 10 V Selects the voltage or current range Explanation The selectable range and resolution vary depending on the specified range For details on the function see section 2 2 Voltage Range Voltage Range Selectable range Resolution 100 mV 0 mV to 120 00 mV 0 01 mV 1V 0 V to 1 2000 V 0 0001 V 10V 0 V to 12 000 V 0 001 V 100 V 0 V to 120 00 V 0 01 V 300 V 0 V to 360 0 V 0 1V 1000 V OV to 1200 0 V 0 1V 1 Generates 144 of the range when used with deviation 20 Current Range
151. te 4 Flip the PRESET switch up or down The setting is confirmed and all the preset indicators turn off When you turn it on the LO TO EARTH indicator will illuminate Explanation Set whether to ground the LO terminal of the voltage and current output ON The LO terminal is grounded OFF The LO terminal is not grounded If one of the terminals on the output target is grounded to avoid errors caused by a ground loop connect the LO terminal of the 2558A to the terminal that is grounded and set the LO terminal to no ground OFF If the target device is not grounded ground the LO terminal ON Command Mnemonic gt gt SYSTem EARTh Boolean IM 2558A 01EN 6 1 4939 N oueanbauJ ay Bureuqije 6 2 Setting the Frequency Procedure Selecting the Frequency Meter FREQUENCY METER MIN MAX 7 Turn the FREQUENCY dial to select FREQUENCY MAX or MIN The indicator corresponding to the selected frequency and the Hz unit indicator illuminate In addition the selected frequency is displayed The selected digit blinks use the cursor switch to move left and right The specified frequency 1 Select FREQUENCY MIN 2 Select the digit you want to set 2 Use the cursor switch lt P to select the digit you want to set The selected digit blinks 3 Turnthe VARIABLE dial to set the value Explanation Set the minimum scale value MIN and the maximum scale value MAX of the frequency meter tha
152. ter from the filter cover uonoedsu pue asueuazuie w 6unoouse qnou Filter Filter cover IM 2558A 01EN 15 9 15 6 Cleaning the Filter Attaching the Filter 7 Attach the filter to the filter cover There is no front or back distinction 2 Insert the filter cover lock buttons into the filter cover attachment holes on the rear panel Make sure that the locks are released 3 Push the lock buttons Push them until you hear a click Filter cover attachment holes Cleaning the Filter Clean the filter with neutral detergent Rinse well with tap water Drain off excess water To do so do not wring the filter swing it up and down After cleaning let the filter dry naturally Note If the filter is clogged the temperature inside the 2558A will increase and will affect the operation and performance Check the filter once three months How fast the filter gets dirty depends on the environment If the filter is extremely dirty and cannot be cleaned completely you need to replace the filter Contact your nearest YOKOGAWA dealer 15 10 IM 2558A 01EN 15 7 15 8 Recommended Part Replacement YOKOGAWA guarantees the 2558A for the period and under the conditions of the product warranty The warranty does not cover the following expendable items The replacement period for expendable items varies depending on the conditions of use Refer to the table below as a general guideline Contact your nearest Y
153. ter string contains a double quotation mark the double quotation mark is expressed as two consecutive quotation marks This rule also applies to single quotation marks Aresponse message is always enclosed in double quotation marks String data is any character string Therefore the instrument assumes that the remaining program message units are part of the character string if no closing single or double quotation mark is encountered As a result no error is detected if a quotation mark is omitted Block Data Block data contains 8 bit values It is only used in response messages on the 2558A The syntax is as follows Syntax Example N lt N digit decimal number Data byte sequence 800000010ABCDEFGHIJ N Indicates that the data is Block data N indicates the number of succeeding data bytes digits in ASCII code e N digit decimal number Indicates the number of bytes of data example 00000010 10 bytes Data byte sequence Expresses the actual data example ABCDEFGHIJ e Data is comprised of 8 bit values 0 to 255 This means that the ASCII code OAH which stands for NL can also be included in the data Hence care must be taken when programming the controller IM 2558A 01EN 12 7 M9IAJ9AQ BuruueJ60Jd R 12 5 Synchronization with the Controller Overlap Commands and Sequential Commands There are two types of commands overlap an
154. that are retained even when the power is turned off see appendix 5 Before using the instrument make sure that the self test completes successfully Note After turning the power switch off wait at least 10 seconds before you turn it on again When the Power on Operation Does Not Finish Normally Ifthe instrument does not operate as described above when the power switch is turned on turn the power Switch off and then Check that the power cord is securely connected Check that the correct voltage is coming to the power outlet section 3 3 Connecting the Power Supply Initialize the instrument See section 8 3 e Ifthe instrument still does not work properly contact your nearest YOKOGAWA dealer for repairs e If an error code is displayed check the information in section 15 2 and take the appropriate actions To Generate Accurate Output Allow the instrument to warm up for at least 30 minutes after turning on the power switch Keep the OUTPUT switch turned off during warm up After warm up is complete turn the OUTPUT switch on IM 2558A 01EN 3 4 Turning On and Off the Power Switch Operations Performed When the Power Is Turned Off After the power is turned off the instrument stores the setup parameters in its memory before shutting down The same is true when the power cord is disconnected from the outlet The next time the power is turned on the instrument powers up using the stored settings for the se
155. that is synchronized to another 2558A Connect the signals to the external input terminals and Q With this setting you can shift the 2558A output phase 7 Turn the FREQUENCY dial to select EXT2 PHASE The EXT2 PHASE range indicator and the degree indicator illuminate In addition the shift phase angle relative value is displayed The selected digit blinks use the cursor switch to move left and right The specified phase angle 1 Select EXT2 PHASE 2 Select the digit you want to set 2 Use the cursor switch lt P to select the digit you want to set The selected digit blinks 3 Turnthe VARIABLE dial to set the value Note e Ifan external oscillator is not connected the voltage or current output is turned off For details on the external input terminal see section 7 1 IM 2558A 01EN 5 3 uoneJouac juan pue eBe3 oA a 5 2 Setting the Frequency Explanation Fixed Frequency 50 Hz 60 Hz or 400 Hz The 2558A generates AC voltage or current at a fixed frequency If the output frequency of the 2558A and the frequency of the commercial power line are close the output may fluctuate due to the beat phenomenon You can obtain stable output by setting the 2558A output frequency to 50 Hz when using a 60 Hz commercial power line and setting the 2558A output frequency to 60 Hz when using a 50 Hz commercial power line Specific Frequency The 2558A generates AC voltage or current at a frequency o
156. that the ambient temperature and humidity are within their specified 3 2 ranges Check that the inlet and outlet holes are not blocked 3 2 Check the cable wiring 3 7 5 9 Turn the power off and then on again 3 4 Dials and switches do not work Check the REMOTE indicator If the REMOTE indicator is on flip the OUTPUT 1 1 1 2 Switch down to turn off the indicator The external oscillator frequency cannot be monitored The phase angle is not displayed Check the signal connection 7 1 Check that the frequency setting is EXT1 frequency monitor 5 2 Check that the frequency setting is EXT2 PHASE phase angle display 5 2 Unable to configure or control the instrument through the communication interface Check to make sure that the GP IB address setting matches the specifications 11 3 Check to make sure that the TCP IP settings match the specifications 10 3 Confirm that the interface meets the electrical and mechanical specifications 10 1 11 1 IM 2558A 01EN 15 1 uonoedsu pue asueuazuiew 6unoouse qnou 15 2 Error Code Descriptions and Corrective Actions This section explains error codes that may appear on the front panel Error Codes If any of the following error codes appears the instrument will beep intermittently Immediately turn off the power Servicing is required E 901 The cooling fan error has detected E 902 E 903 Internal temperature error has been detected
157. the FREQUENCY dial to select SETUP The indicator corresponding to the selected SETUP range illuminates and the frequency phase angle display area shows the SETUP menu 2 Turn the VARIABLE dial to select SWEEP 3 Turn the deviation dial to select 16 32 or 64 s When you change the setting all four preset indicators will illuminate 4 Flip the PRESET switch up or down The setting is confirmed and all the preset indicator turn off Starting to Sweep UP Sweep Flip the SWEEP switch up The UP indicator illuminates and an up sweep starts When the maximum output is reached or if you flip the SWEEP switch down while sweeping is in progress sweeping will stop HOLD state A beep will sound when the sweep is held DOWN Sweep Flip the SWEEP switch down The DOWN indicator illuminates and a down sweep starts When the minimum output is reached or if you flip the SWEEP switch up while sweeping is in progress sweeping will stop HOLD state A beep will sound when the sweep is held B u HOLD A A UP sweep Flip up v F 1 o DOWN sweep Flip down 5 12 IM 2558A 01EN 5 8 Sweeping Explanation Sweep Time Taking the main setting value to be 100 set the time to sweep the output from 0 to 100 The sweep range is 0 to 120 of the main setting value but the sweep time is the time for the output to swept from 0 to 100 Therefore the time needed to sweep the entire range is 120 of the specified time The avail
158. the instrument if the protective earth or fuse might be defective Check the grounding and the fuse before operating the instrument Do Not Operate in an Explosive Atmosphere Do not operate the instrument in the presence of flammable gasses or vapors Doing so is extremely dangerous Do Not Remove Covers Only qualified YOKOGAWA personnel should remove the instrument s covers The inside of the instrument is extremely dangerous because parts of it have high voltages Ground the Instrument before Making External Connections Securely connect the protective grounding before connecting to the target device or to an external control unit Before touching the target device turn off this instrument and check that there is no voltage or current being generated Install or Use the Instrument in Appropriate Locations Do not install the instrument outdoors or in locations subject to rain or water Or use the instrument in such locations Install the instrument so that you can immediately remove the power cord if an abnormal or dangerous condition occurs IM 2558A 01EN Safety Precautions Connect Cables Correctly This instrument can generate large voltage and current If you do not connect the devices correctly not only will it damage the instrument or the target device it may also lead to electric shock or fire Be careful when you connect the cables and be sure to check the following points Before generation before turning on t
159. the voltage or current frequency when you operate the FREQUENCY dial the main setting or the FREQUENCY METER MIN or MAX value Sweep Source The sweep operation is achieved through the automatic and continuous changing of the output divider value and deviation Because sweeping begins at the current output divider value and deviation you can set these in advance to start sweeping from any point within the sweep range Holding the sweep operation stops the automatic changing of the output divider value and deviation which means that normal operation returns The deviation setting and output divider value when normal operation returns are those that have been set at the end of the sweep operation When sweeping is held the 2558A operates in normal mode If you see a phenomenon that you want to observe closely while sweeping you can hold the sweep operation and use the deviation dial to observe the situation slowly Afterward you can resume the sweep operation if you want Command Mnemonic gt gt SWEep TIMe Time SWEep DIRection HOLD UP DOWNj IM 2558A 01EN Chapter 7 7 1 Synchronous Operation External Signal Input and Internal Signal Output I O Circuit Diagram EXT OSC INPUT OSC OUTPUT External Signal Input AN CAUTION The input voltage is 3 Vrms and the input resistance is approximately 1 MO Do not apply excessive voltage Connect the external oscillator to this terminal ZA EXT OSC
160. to 120 VAC 200 VAC to 240 VAC Permitted supply voltage range 90 VAC to 132 VAC 180 VAC to 264 VAC Rated supply frequency 50 Hz 60 Hz Permitted supply frequency range 48 Hz to 63 Hz Maximum power consumption Approx 200 VA This instrument can use a 100 V or a 200 V power supply The maximum rated voltage differs according to the type of power cord Check that the voltage supplied to the instrument is less than or equal to the maximum rated voltage of the power cord provided with the instrument before using it see page ii for the maximum rated voltage 2558A Three prong outlet IM 2558A 01EN 3 4 Turning On and Off the Power Switch Before Turning On the Power Check That The instrument is installed properly section 3 2 Installing the Instrument The power cord is connected properly see section 3 3 Connecting to the Power Supply Power Switch Location The power switch is located in the lower left of the front panel uoneiedaild Turning On and Off the Power Switch The power switch is a push button Press the button once to turn the instrument on and press it again to turn the instrument off Operations Performed When the Power Is Turned On When the power switch is turned on a self test starts automatically When the self test completes successfully the instrument will be configured with the settings that were in use immediately before the power was turned off For the settings
161. to be read After the status byte is read only the RQS bit is cleared You cannot read the MSS bit when serial polling is used Clearing the Status Byte There is no way to clear all the bits in the status byte The bits that are cleared for each operation are shown below STB Query None of the bits are cleared Serial Polling Only the RQS bit is cleared e When a CLS Command Is Received When a CLS command is received the status byte itself is not cleared but the contents of the standard event register which affects the bits in the status byte are cleared As a result the corresponding status byte bits are cleared Because the output queue is not cleared with a CLS command bit 4 MAV in the status byte is not affected However the output queue will be cleared if the CLS command is received just after a program message terminator IM 2558A 01EN 14 3 syuodey snjejs 14 3 Standard Event Register Standard Event Register 7 6543 2 1 0 PONURQCMEEXE DDEJQYERQC JOPC Bit 7 PON Power ON This bit is set to 1 when the instrument is turned on Bit 6 URQ User Request Not used always 0 Bit5 CME Command Error This bit is set to 1 when there is a command syntax error Example Command names are misspelled or character data that is not one of the available options has been received Bit 4 EXE Execution Error This bit is set to 1 when the command syntax i
162. tomatically within the selectable range Explanation Range For details see the explanation in section 6 3 Maximum and Minimum Settings Minimum 0 of each range rating The accuracy specifications apply to 1 or greater Maximum 120 of each range rating The accuracy specifications apply up to 120 The amplitude accuracy applies only in the frequency range of 40 Hz to 1000 Hz For details on the accuracy specifications see section 16 2 You can control the main setting while the voltage or current is being output If you set the voltage level to 150 V or higher beeps will be generated For details on how to turn the beep on and off see section 8 1 The setting appears flush right within the display resolution range of each range setting 1V range lt lt Command Mnemonic gt gt SOURce FUNCtion VOLTage CURRent SOURce LEVel lt Current gt Voltage MINimum MAXimum FREQuency FUNCtion FMIN FMAX 6 4 IM 2558A 01EN 6 5 Dividing the Output Procedure 7 Turn the m dial The m display shows the denominator of the divider value the number of divisions 2 Turn the n dial The n display shows the numerator of the divider value Divider value example x i qEN 7 NND 2 Set numerator n 1 Set denominator m Explanation The 2558A outputs voltage or current by dividing the frequency specified in section 6 2 The voltage and current levels are not divided The rang
163. tor illuminates and the OFF indicator turns off Flipping the OUTPUT switch while the output is on will turn off the output and the ON indicator and turn on the OFF indicator When the output is on the voltage or current output value is displayed 48 OUTPUT Turn the output Unit on or off LOCAL Note When outputting current from the current terminals do not open the current terminals When outputting voltage from the voltage terminals do not short the voltage terminals In either case the overload protection function will be activated an error code will be displayed and the output will be turned off Explanation Turning the Output On and Off When you turn on the output if a voltage range is selected the 2558A outputs voltage from the voltage terminals If a current range is selected the 2558A outputs current from the current terminals If you change the voltage or current range the output automatically turns off Indicator and Output States Output State ON Indicator green OFF Indicator Red ON On Off OFF Off On Command Mnemonic gt gt OUTPut STATe Boolean SOURCe READ FREQuency READ IM 2558A 01EN 5 6 Turning the Output On and Off Output Value Display The output from the voltage or current terminals is monitored and displayed Display update time 200 ms The output value is the sum of the output divider value and deviation Output value Main setting
164. ts in this register becomes 1 and the corresponding bit of the standard event enable register is also 1 bit 5 ESB in the status byte is set to 1 Example 1 A query error occurs 2 Bit 2 QYE is set to 1 3 When bit 2 of the standard event enable register is 1 bit 5 ESB in the status byte is set to 1 You can also check what type of event occurred in the 2558A by reading the contents of the standard event register Reading the Standard Event Register You can use the ESR command to read the contents of the standard event register The register is cleared after it is read Clearing the Standard Event Register The standard event register is cleared in the following three cases When the contents of the standard event register are read using the ESR command When a CLS command is received When the 2558A is restarted 14 4 IM 2558A 01EN 14 4 Extended Event Register The extended event register receives information about changes in the condition register which indicates the instrument s internal condition The information is the result of edge detection performed by the transition filter FilTersx gt gt 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Condition register 15 14 13 12 11 10 9 8 7 6151 14 32 1 0 STATus CONDition 0 0 0 LMT OSC FBE 0 EMR4 EMR3 EMR2 EMR1 0 SCG o OUT EOS T ition filt Y Y Y Y Y Y Y Y
165. ttings that are stored see appendix 5 IM 2558A 01EN 3 5 Wiring Precautions AN AN WARNING Ground the instrument before connecting the instrument to the target device The power cord that comes with the instrument is a three prong type power cord Insert the power cord into a grounded three prong outlet Besure to turn off the output before connecting or disconnecting the target device To prevent damage that would occur if the OUTPUT switch is flipped inadvertently during wiring check that the output setting dial is at 0000 If the voltage output exceeds 33 Vrms or 46 7 Vpeak there is a danger of electric shock due to the high voltage Be extremely careful Make sure to fasten the current output terminal screws securely so that cables do not come loose Only use cables whose conductive parts are covered for connecting to the voltage output terminals Exposed conductive parts can lead to electric shock Do not use cables whose conductive parts are exposed due to tears in the insulation or broken cables as they may lead to electric shock When connecting cables to the target device only use cables that have safety terminals that cover their conductive parts Using a terminal with bare conductive parts such as a banana plug can be dangerous if the terminal comes loose Ifa large capacitive load or oscillating circuit is connected to the voltage terminals the output may oscillate and cause high voltag
166. x divider value main setting x deviation Range Display Range 100 mV 0 00 mV to 144 00 mV 1V 10V 0 0000 V to 1 44000 V 0 000 V to 14 400 V 100 V 0 00 V to 144 00 V 300V 0 00 V to 432 00 V 1000 V 0 0 V to 1440 0 V 100 mA 0 00 V to 144 00 mA 1A 0 0000 V to 1 4400A 10A 50A 0 000 V to 14 400A 0 000 V to 72 000A IM 2558A 01EN 5 9 uoneJauoes Juang pue eBeyjoA H 5 7 Finely Adjusting the Output Deviation and Preset Procedure Deviation Turn the deviation dial to set the value The DEVIATION display shows the value Turn the deviation dial right to decrease the deviation and increase the output Example of setting 1 50 The specified deviation Set the hundredths digit Set the tenths digit Preset Flip the PRESET switch up or down to select a preset The selected preset indicator illuminates and the deviation display shows the value Example of setting 2 00 Select a preset Presets Explanation Deviation When you calibrate a meter using the 2558A use the deviation dials to read the deviation of the target meter the error between a scale value and needle Use the main setting and the output divider feature to output the meter scale values nominal values and use the deviation dials to align the meter needle to the scale values If you turn a dial to the right and set a negative value
167. y width of 20 Hz is divided into four parts and output at 5 Hz intervals The voltage level is not divided 2 4 IM 2558A 01EN 2 4 Deviation and Presets Deviation This feature is used to check the relative error deviation of the meter scale calibration If the meter needle is not pointing accurately to the appropriate scale mark you can turn a deviation dial on the front panel to finely adjust the voltage or current output level or the frequency so that the needle points accurately to the mark The amount of fine adjustment is displayed as the deviation Deviation setting range 20 00 soJnjeaJ Setup example Main setting 10 A divider value n m 1 Error deviation Ammeter 9 97A Use the deviation dial to align the meter needle to the accurate scale position Ammeter 10A The deviation is 0 30 In the example above before fine adjustment the meter needle is pointing to 9 97 A which is 0 3096 smaller than the 10 A current output from the 2558A The deviation polarity the sign of the 2558A indicates whether the target device indication is larger or smaller than the accurate position In this example because the meter is pointing to a value that is 0 3096 smaller than the 2558A output value the 2558A displays 0 30 Deviation at Each Calibration Point When the deviation feature is used in conjunction with the output divider feature explained in section 2 3 you can check at e

2558A AC Voltage Current Standard User`s Manual

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