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989EN User`s Manual

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1. 18 36VDC TB3 S 5 S oo S ae Qa se S GND T N ST Exce R Tea S 9 cH15 5 EARTH S S RT GROUND 4 TB3 CAUTION Risk of Electric Shock More than one disconnect switch may be required to de energize equipment before servicing IMPORTANT External Fuse If unit is powered from a supply capable of delivering more than 1A to the unit it is recommended that this current be limited via a high surge tolerant fuse rated for a maximum current of 1A or less for example see Bel Fuse MJS1 Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 7 v Connect 8 28V DC to the excitation terminals labeled EXC and RTN CONNECTIONS Optionally you can jump DC input power to Exc as long as it does not exceed 28VDC Observe proper polarity For supply connections use Excitation No 14 AWG wires rated for at least 75 C CAUTION Do not exceed 35VDC peak Note Excitation can be optionally be sourced from the IMPORTANT You MUST connect an excitation supply to the excitation input power supply EXC and Return RTN terminals in order to operate I O CAUTION Excitation Va voltages greater than 28V do TES z not guarantee I O operation lle oc IS
2. TURN is OFF Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 1 1 v Connect your output load to the output terminals as shown below NOTE IT IS ACCEPTABLE TO UTILIZE DC POWER TO THE UNIT DIGITAL OUTPUT CONNECTIONS TO ALSO DRIVE THE EXCITATION TERMINAL AND OR THE LOAD POSSIBLE VARIATIONS CURRENT SINKING DC APPLICATIONS ONLY 4 EXCITATION d 8V TO 28V DA EL coe HL Vy s28 OUTPUTS RATED SHIELDED CABLE 3 T TO 28V 50 mMA DC oe TB3 ExT a D amp Tope tes ouT3 oe 0 28V COOK j CHor TB1 2mA 16mA 20ms L OUT2 S pe OFF A ouTte i Lalor N Lekor 4 ji i CH03 aT B ON OUTO t E i i 8 4 qe IS FOR EVEN GREATER OUTPUT DRIVE LR CONNECT AN INTERPOSING RELAY ees a OUTPUT EXCITATION IS REQUIRED EXTERNAL EXCITATION IS 8V TO31V MAX OUTPUTS MAY TEMPORARILY SHUT DOWN FOR EXCITATION OVER VOLTAGES ABOVE 28V m a vV Note You must connect port excitation to operate I O Your excitation voltage should be greater than your load voltage Outputs may temporarily shut down for excitation voltages over 28V or load voltages greater than 31V IMPORTANT Add Protection With Inductive Loads Outputs should include reverse bias shunt diodes to hel
3. gt RTN RTN EXCITATION IS REQUIRED 8 28V TANDEM OUTPUT MOSFET IS OFF t EXTERNAL 5V LOGIC MUST BE PULLED UP ABOVE 4V INPUT THRESHOLD IF INPUTS ARE TRI STATED EXTERNAL PULLUP IS REQUIRED IF INPUTS ARE NOT TRI STATED EXTERNAL PULLUP IS OPTIONAL DRY CONTACT RELAY CONNECTIONS NORMALLY OPEN OR CLOSED 4 CONTACTS AS SHOWN LOGIC 1 ON CLOSED LOGIC 0 OFF OPEN A Excitation Up to 28VDC CHxx 7 no NC ai R CHOO EXC EXT D l Ex EXC gt EEY MIN CH15 2mA 16mA VO INT PULL UP CH 7 Cee oe vai RTN SA L TURN T OFF SIMPLIFIED I O ONE PORT CHANNEL CHOO EXC EXT Exc EXC 5 5V MN CH15 2mA 16mA 20ms VO INT PULL UP S CHxx Di EXCITATION IS REQUIRED 8 28V TANDEM OUTPUT MOSFET IS OFF WETTING CURRENT IS 16mA FOR 20ms AFTER INPUT CROSSES 4V THRESHOLD THEN RETURNS TO 2mA CONTINUOUS S RTN i TURN OFF Refer to the examples that follow for other types of input connections DRY CONTACT RELAY CONNECTIONS NORMALLY OPEN OR CLOSED WITH EXTERNAL SERIES CONTACT EXCITATION Ce NO Excitation Up to 28VDC OR NC A CHxx CONTACTS AS SHOWN LOGIC 1 ON OPEN LOGIC 0 OFF CLOSED L_ amp Exe EXC VO i N CHxx Ropt 3 RTN
4. Cannot Communicate Power ON to the unit Check if green RUN LED is ON Wrong IP Address Change IP address of the unit or host PC so they both match Try the default unit address of 128 1 1 100 Many Communication Errors Is cable segment longer than 100M Distance between two Ethernet nodes is limited to 100 meters with approved cable Correct Cable Shielded CAT 5 5E cable or equivalent is recommended Missing earth ground connection Connect earth ground to TB3 GND terminal adjacent to power terminal Inputs Not Reading Back Correct OFF State Excitation is below 8V or inputs are tri stated and floating The built in wetting current sources that function as input pull ups are not operable without proper excitation or with the inputs tri stated Connect an excitation voltage or pull the input signal up above the 4 3V maximum input threshold as required Unit Fails I O Self Test Field wiring has been left connected one or more outputs are turned ON inputs are tri stated excitation is not present or excitation is below 8V Do not float I O as inputs must pull above the 4V threshold in the OFF state to read as OFF Tri stated inputs float without an external connection or with open load detection OFF do not tri state inputs prior to this test I O requires proper excitation voltage 8 28V to function Input Event Counters Are Not Working Are the Counting Inputs En
5. SIMPLIFIED I O ONE PORT CHANNEL EXT 5 5V MIN CH15 2mA 16mA 2 ms INT PULL UP rn EXCITATION IS REQUIRED 8 28V TANDEM OUTPUT MOSFET IS OFF PORT INPUTS ARE TRI STATED TO TURN OFF WETTING CURRENT PULL UPS DO NOT ALLOWUNUSED TRI STATED INPUTS TO FLOAT OR TURN ON OUTPUT OPEN LOAD CURRENT C EXT PULL DOWN MAY BE REQUIRED L FOR SOME APPLICATIONS F L TURN OFF AN EXTERNAL PULL DOWN RESISTOR MAY BE REQURIED FOR SOME APPLICATIONS NOTE IT IS ACCEPTABLE TO UTILIZE THE 24VDC POWER TO THE UNIT TO DRIVE THE EXCITATION TERMINAL AND OR THE CONTACT EXCITATION Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters Q SOLID STATE RELAY MONITOR CHOQ 3 EXC DT vi P Ex S Ex DC gt i PESIN CH15 Excitation IERA R m Ex Up to 28VDC vO eerie SSR CHxx d S CHxx 3 b MALONE A E R 4 RTN S EXCITATION IS REQUIRED 8 28V TANDEM OUTPUT MOSFET IS OFF EXTERNAL DRIVER MUST BE PULLED UP ABOVE 4V INPUT THRESHOLD INPUTS MAY OPTIONALLY BE TRI STATED TO TURN OFF WETTING CURRENT EXTERNAL PULLUP IS ADDED HERE TO INCREASE CURRENT i i TURN IF NOT TRISTATED INTERNAL WETTING CURRENT IS SET TO 2mA TIP You can increase wet
6. This is useful for trouble shooting Writing FFFFH to this register all bits set will trigger a reset of the port FFFFH Reset All Port Inputs 0000H Do Not Reset Port Data Format 16 bit Unsigned Integer Outputs of the module may be independently reset with this command does not reset the inputs or controller This is useful for trouble shooting Writing FFFFH to this register all bits set will trigger a reset of the port FFFFH Reset All Port Inputs 0000H Do Not Reset Port Data Format 16 bit Unsigned Integer The lower byte of this 16 bit register bits 7 0 starts the counting of counter channels 7 0 respectively This register will always read back as FFFFH Bits 15 8 Not Used Bit 7 0 Don t Start 1 Start Bit 6 0 Don t Start 1 Start it 5 0 Don t Start 1 Start Bit 4 0 Don t Start 1 Start it 3 0 Don t Start 1 Start it_2 0 Don t Start 1 Start 0 Don t Start 1 Start 0 Don t Start 1 Start Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com Ref Addr Description BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 5 5 Data Type Format Register Map Holding Registers 4x References Read Write Counter Stop Counter Reset This block Mirrors 1xxxx Registers This block Mirrors Oxxxx Registers This block Mirrors 3xxxx Registers D
7. e s slel8 8 o9 Aer oO 2 DIGITAL IN or OUT VO EXC PWR O DEF SAS w Nw t 3 3m MODEL 989EN 4016 p C MODEL 989EN 4C16 DIGITAL IN or OUT DIGITAL IN or OUT E srsorg eree 3T aren Ssss JESSE EE SD i e j 77 12 13 14 15 16 21 22 23 24 25 26 y i T F V PS S s e SISS y TBI TB2 1 05 _ TRALDINMounTING e 3 90 26 7 DINEN 5022 Srm C 99 1 4 35 NOTE Dimensions Are INCHES MILLIMETERS 110 5 MODEL 989EN ENCLOSURE DIMENSIONS TB4 TBS ADA Sao APPA Sao f n Z Udo udit H Acromag 46 45 44 43 42 41 36 35 34 33 32 31 RUN PWR LED GREE a a Bos ttl mesme Fizegesee lg e clesie g IIIT amp mx 6 a a LED YELLOW EES ow QO iN DIGITAL IN or OUT VO EXC PWR Cie ETHERNET LINK GREEN 0 AND ACTIVITY LED YELLOW p NY DEFAULT ADDRESS C PUSHBUTTON SWITCH Model 989EN 4016 PRESS TOSET og Model 989EN 4C16 DIGITAL IN or OUT PITA N or our iki N Sa ememer J R45 ETHERNET esses JESSE S la1 12 13 14 15 16 Bl a1 22 23 24 25 26 C U LU AARAARAA ARARARAA T J FURNAS sfelsioistel __efelsleisle TERMINAL BLOCKS TB1 TB2 The push button is used to toggle the module into or out of Default Mode In Default Communication Mode the module assumes a fixed static IP address of 128 1 1 100 a default subnet mask of 255 255 255 0 a default username of User and a default password of password To activate it hold down the DFT button o
8. Counter Value ef e Inactive inactive Inactive Inactive Inactive Inactive Pulse Time e741 1326 inactive inactive inactve inactve inactive en mms AA A AAAA a ff O O O Poling Rate 700 ms NOTE Excitation MUST be applied for I O to operate Network Configuration Page Password Configuration Page Test Page Ppi 1 0 Config Page Counter Configuration Page Utility Page Home Page The Counter Boxes display the current value for each channel The value Inactive means that the counter on this channel has been disabled Below the Counter Value box is the Pulse Time which measures the time in milliseconds between counts When a pulse is received the timer updates with the time from the current pulse to the last pulse The timer will restart and wait for the next pulse but will continue to display the previous time Under the timer the state of an alarm channel is indicated by a simulated LED bright red for ON below the channel number The Alarm Reset will reset an alarm state as well as reset the counter to the Pre Loaded Value Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 2 1 You may also access a Utility Page that includes a configuration built in utility that allows you to verify I O operation without
9. For very noisy environments or in the presence of strong electrical fields you Crossover Cable can obtain double shielded CAT 5e cable and shielded RJ45 plugs from the following vendors e L com Connectivity Products www L com com see cable model TFSC2004 and shielded plug T8P8CSR e Regal Electronics www regalusa com see shielded plug model 1003B 8P8CSR C5 Complete premium double shielded Category 5e standard and crossover cables in variable lengths can be obtained from Lumberg at www lumbergusa com refer to their etherMate line For example specify RJ45S RJ45S 656 B 3M for a double shielded 3 meter straight cable Specify RJ45S RJ45S 656 BX 3M for a double shielded 3 meter crossover cable Notes Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com
10. This register will always read back as 0000H Use the Unit Status Register wink mode flag bit 14 to determine the wink state Data Format 16 bit Unsigned Integer Bit field Read Only The 16 bits of this field correspond to the states of channels 0 15 with the bit position corresponding to the input channel number Isb is channel 0 A clear bit 0 is OFF while a set bit 1 is ON Data Format 16 bit Unsigned Integer Bit field Read Write The 16 bits of this field correspond to channels 0 15 The bit position corresponds to the output channel number Isb is ch 0 A clear bit 0 is OFF while a set bit 1 is ON Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 5 4 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters Register Map Model 989EN 4x16 Port Input and Output resets are normally not required but are sometimes useful in troubleshooting I O and will reset the input or output circuitry independent of each other a power on system CPU or communication controller reset Ref Addr Description Data Type Format Holding Registers 4x References Read Write Input Reset DI 0 15 Inputs Only Output Reset DO 0 15 Outputs Only Counter Start Data Format 16 bit Unsigned Integer Inputs of the module may be independently reset with this command does not reset the outputs or controller
11. correct I O state Note that wetting currents are reduced low excitation voltages below 8V TIP Unused tri stated inputs may utilize the built in open load detection pull downs to pull to the ON state TIP You can increase wetting currents by paralleling inputs or connecting to an external excitation supply and adding an I O pull up to the excitation voltage rail Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 20 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters WEB BROWSER 1O Configuration Output Functions Output WD Time seconds Enter 1 65534 seconds to set a watchdog time period for the outputs or 0 or 65535 to disable the watchdog timer If no write activity occurs to any channels over this period a watchdog timeout occurs and the watchdog flag for the port is set in the Status Register Additionally you can direct the unit to set its port outputs to a pre defined state upon watchdog timeout or do nothing see below ay ex 6 s http 128 1 1 100 protectfioconfig stm xlix Ly File Edit View Favorites Tools Help Google G y oop OD Ee Bookmarksy E 1 blocked Yr check y Autolink ep Send tow Q Settings We Fe Gro configuration Page m Gl he sheave Geto A 989EN 4016 I O Configuration Page Port Setup Control Portl Auto Output Output Shutdown Refresh Retry Control OOFF OV Themmal Short
12. high impedance comparator with a 4 0V threshold Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 3 D The I O terminals and the Ethernet port terminals also include transient HOW IT WORKS suppression An internal microcontroller will switch outputs ON OFF and sample the digital inputs Embedded configuration parameters are stored in non volatile memory integrated within the micro controller A wide input high efficiency DC to DC converter provides isolated power to the unit Most I O power is actually derived from the excitation supply requiring excitation to be present to operate the I O Refer to the simplified schematic on the following page to help gain a better understanding of circuit operation There are 16 I O channels across 4 terminal blocks All I O terminals include transient suppression The I O circuitry has built in thermal over voltage and over current protection The excitation terminal also has built in transient and reverse polarity protection ISOLATED ETHERNET l i i EXC VPWR G5V MN i 2 Q 9 9 BUFFERED 4 Ruds INPUT i 26 i 8 44 osef x ETHERNET on E MAC PHY t i eT i ET OUTPUT CONTROLLER i i i VPWR OPEN DRAIN Bg SS ee g
13. k n Konei Output WD State J Output Short Fask OCON Shutdown sag i 16 Bit Hex Valu Outpt F Current TSI Reset Seconds Se lira Gomcent Sutown O Thermal Short Reset Output Shutdown Retry OV OOFF ODISABLE 7 r 2mA E QOFF S Power Up 0 J Olma 2 ON 65535 OoN ENABLED Sites O OV Stutdown 16 Bit Hex ON AAE a Retry Thermal Short Take Action OOV Th U Short lo Retry For help click here a Reset 9B9EN Internet 100 Output Functions continued Output WD State 16 bit Hex Value Upon watchdog timeout you can direct the unit to set its outputs to this pre defined state with Take Action also selected or do nothing to the outputs with No Action selected You must enter four hex digits that represent the bit settings for the 16 channels on the module The Isb corresponds to the lowest numbered channel of the port the msb to the highest numbered channel 0 0000 1 0001 2 0010 3 0011 4 0100 5 0101 6 0110 7 0111 8 1000 9 1001 A 1010 B 1011 C 1100 D 1101 E 1110 F 1111 For example enter FFFF to turn all port outputs ON following timeout Output Open Load Current OFF Default or ON Set this ON to adda 50uA pull down to the source to be used to detect open load faults when the inputs are tri stated If ON an open output load fault is flag
14. 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 6 CONNECTIONS Network USE OF AN ETHERNET SWITCH TO NETWORK BusWorks Model 989EN User s Manual AHOST PC TO MORE THAN ONE MODULE Note This MDI to MDI X connection does not require the use of a crossover cable me CAT 5 UTP CABLE UP TO 100 METERS E il Acromag offers a straight t Power Voltage hrough patch cable Mode 5035 355 or a crossover cable Mode 5035 360 for use with Series 9xEN modules Current Typ Current Max 73 MA 54 mA 37 mA Note Current draw figures do not include excitation current Straight Through or Crossover Cable Modbus TCP IP Digital I O amp Counters You can use an Ethernet switch or switching hub to build a network of Ethernet modules similar to that shown below This drawing shows how to network connect these modules to a 5 port Ethernet switch Acromag Model 900EN S005 Note that the 900EN S005 switch includes automatic MDI MDI X crossover and straight through or crossover cable s may be used but it is generally not good practice to use crossover cables when connecting to an auto crossing switch dadda Acromag 900EN S005 5 Port Ethernet Switch or equivalent The ethernet port of this switch are
15. 4 For the Edge Detection option select Positive 5 For the Start up Mode option select Last Count 6 Click on the Submit button at the bottom Modbus 1 To enable Counter 4 write 0010H to register 40010 2 To configure the counter for Up Counting write 0000H to register 40013 3 To configure the counter for Positive edge counts write 0010H to register 40012 4 To configure the counter for Last Count restore write 0000H to register 40011 Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 2 D Problem Configure all counter channels to count up on a falling edge with last count restore a momentary alarm and a start value of 1048592 Solution Web Interface 1 In the Counter Configuration Page for the first counter locate the Counter Enable option and select Enabled For the Count Direction select Up For the Edge Detection option select Negative For the Start Up Mode option select Last Count For the Alarm Mode select Enabled For the Termination Mode select Rollover Type in 1048592 in the Pre Load Value Edit Box Click on the Submit button at the bottom f Repeat Steps 1 8 for the remaining channels Modbus OMANOARWN To enable all counters write OOFFH to register 40010 To configure the coun
16. Bit_3 0 Up 1 Down Def 0000H 0 Up 1 Down Count Up 0 Up 1 Down it_0 0 Up 1 Down Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters D 1 Ref Addr Holding Registers 4x References Read Write Description Count Termination Mode Def 0000H All Rollover Counter Alarm Enable Def 0000H All Alarms Disabled Counter 0 Pre Load High Value Def 0000H Data Type Format Data Format 16 bit Unsigned Integer 15 8 Not Used 0 Rollover 1 Stop and Hold 0 Rollover 1 Stop and Hold 0 Rollover 1 Stop and Hold 0 Rollover 1 Stop and Hold 0 Rollover 1 Stop and Hold 0 Rollover 1 Stop and Hold 0 Rollover 1 Stop and Hold 0 Rollover 1 Stop and Hold Data Format 16 bit Unsigned Integer The lower byte of this 16 bit register bits 7 0 enables counter output alarms on channel 15 8 Bits 15 8 Not Used Bit 7 0 Disabled 1 Enabled 0 Disabled 1 Enabled 0 Disabled 1 Enabled 0 Disabled 1 Enabled 0 Disabled 1 Enabled 0 Disabled 1 Enabled 0 Disabled 1 Enabled 0 Disabled 1 Enabled Data Format 16 bit Unsigned Integer This 16 bit register defines the upper word of the Pre Load value for counter 0 Counter 0 Pre Load Low Value Def 0000H Data Form
17. Circuitry for Loopback Monitoring Input buffers are connected in tandem with open drain outputs for convenient loop back monitoring of the output states e Inputs Have Programmable Wetting Current Sources Built In Inputs have built in current sources that eliminate the need to add pull ups This also facilitates I O self test without adding wiring other than the required external excitation Wetting current is used to sense switch closure at an input and can be set to 16mA or 2mA By default it will fold back from 16mA to 2mA 20ms after the input crosses the 4V threshold This is to provide higher levels of current during switch closure which helps to reduce oxide buildup on switch contacts Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 3 4 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters KEY FEATURES HOW IT WORKS e Built In Self Test for Port I O Read Write Useful for troubleshooting I O and internal communications for diagnostic purposes e Built in Output Thermal Over Current amp Over Voltage Protection Inputs also include thermal protection Status flags report these faults e Inputs May Be Optionally Tri Stated The inputs may be tri stated to a high impedance state disables wetting current Tri stated inputs act as simple comparators with a 4 0V threshold e Outputs Include Selectable Fast Short Fault Protection By de
18. Data Type Format Contact Registers Input Status Data Format 16 bit Unsigned Integer Discrete Output Value Addresses a specific bit of a 16 bit word that controls monitors the ON OFF status for the corresponding output gate signal of the n channel mosfet O OFF 1 ON The Isb is channel 0 The bit position also corresponds to the output channel number i e output 0 uses bit 0 of the 16 bit word at address 0 output 1 uses bit 1 of the 16 bit word at address 1 etc A set bit 1 means the output is turned ON sinking current A clear bit 0 means output is turned OFF open After reset these registers read 0 outputs OFF and these registers are not maintained in FLASH 1x References Read Only 10001 0 15 16 Discrete Thru 0000 Inputs 0 15 10016 OOOF Data Format 16 bit Unsigned Integer Discrete Input Value Addresses a specific bit of a 16 bit word that flags the ON OFF status for the corresponding input or tandem output O OFF 1 ON The Isb is channel 0 Note This signal reflects the actual state of the corresponding input signal relative to a 4 0V threshold or the drain of the tandem output This signal is active low below AV lO will not operate without excitation The bit position corresponds to the input channel number for the port i e input 0 uses bit 0 of the 16 bit word at address 0 input 1 uses bit 1 of the 16 bit word at address 1 etc A set bit 1 me
19. Layer or Internet Layer resides just below the Transport Layer and is responsible for routing the packets to the network There are many network layer protocols such as ICMP IGMP ARP RAPP but our focus here is on IP An IP packet is a chunk of data transferred over the Internet using standard Internet Protocol IP The Internet Protocol IP is responsible for the actual addressing and delivery of the data packets IP packets vary in length depending on the data being transmitted but each packet begins with a header containing addressing and system control information Similar to UDP IP is a connectionless and unacknowledged method for sending data packets between two devices on a network IP does not guarantee delivery of the data packet but relies on a transport layer protocol like TCP or application layer protocol like Modbus to do that The IP addressing scheme also makes it possible to assemble an indefinite number of individual networks into a larger overall network without regard to the physical implementation of the sub networks The data can then be sent from one network station to another regardless of these differences The IP specific header MBAP of the Modbus TCP IP specification is the same for Modbus UDP as for Modbus TCP and is 7 bytes long and comprised of the following fields e Invocation Identification Transaction Identifier 2 bytes e Protocol Identifier 2 bytes Set to 0 for Modbus by default and other
20. Make sure that if you jump 8 28VDC lig ano input power to excitation that S ofeg it is less than or equal to SH Clean le 28VDC ae i 7 TEJ CAUTION Risk of Electric Shock More than one disconnect switch may be required to de energize equipment before servicing Earth Ground v Connect Earth Ground as shown in the connection drawings on previous page Additionally connect the GND terminal TB3 33 to earth ground The ground connections noted are recommended for best results If sensors are already grounded use caution and avoid making additional ground connections which could create ground loops The module housing is plastic and does not require its own earth ground Connect digital input signals to the input terminals as shown on the following page The tandem outputs must remain OFF in order to drive inputs externally To drive the inputs from an external source you must turn the corresponding outputs OFF or the output channel will be in contention with your external input signal IMPORTANT You MUST connect an excitation supply to the excitation EXC and Return RTN terminals in order to operate I O External excitation should be from 8 to 28V and must provide 36mA 288mA peak plus any output load current Inputs source wetting current to sense switch closure By default this current is set to switch to 16mA for 20ms after crossing the 4V input threshold then return to 2mA continuous
21. RETURN OUTPUT L ON EXCITATION IS REQUIRED EXTERNAL EXCITATION IS 8V MIN TO31V MAX is OFF EVENT COUNTER IS RATED FOR FREQUENCIES 0 150 HZ PIN CAN BE USED AS COUNTER OR DIGITAL VO LINE Note Counters will auto restore count values from non volatile memory after a power loss This option can be disabled through the webpage or via Modbus if desired 2 WIRE NAMUR PROXIMITY SENSOR NORMALLY OPEN SIMPLIFIED I O ONE PORT CHANNEL CONTACTS AS SHOWN CHOO LOGIC 1 ON CLOSED LOGIC 0 OFF OPEN EXC EXT Bes EXC 55N CH15 Excitation pall Ea Up to 28VDC R ER 16mA NAMUR SENSOR TEEN 1 0 ai NT PULL UP oe Ce a er E sow RTN N O Q RTN EXCITATION IS REQUIRED 8 28V L TURN TANDEM OUTPUT MOSFET IS OFF i OFF R EXTERNAL RESISTOR WHICH MAY BE NEEDED IF DEVICE REQURIES MORE THAN 2mA TO OPERATE 3 WIRE SOURCING PROXIMITY SENSOR SIMPLIFIED I O ONE PORT CHANNEL CHOO EXC s DT Exc BC 55VMN CH15 Too Seep Excitation Upto amA 16mA H 28VDC vO INTPULL UP 20ms CHxx re 4 Ge l iN SENSOR R RTN i SA EXCITATION IS REQUIRED 8 28V TANDEMOUTPUT MOSFET IS OFF INPUTS ARE TRI STATED IN THIS EXAMPLE R EXTERNAL RESISTOR WHICH MAY BE NEEDED IF DEVICE REQURIES MORE THAN 2mA TO OPERATE OR INPUTS ARE TRI STATED
22. Read Fault Walk 0 Read inputs command error Bit 17 Write Read Mismatch Input did not match output any failure C Self Test Help Page Windows Internet Explorer GS LE rttoy 128 1 1 123 protectjtestexplain stm RZ a Ele gdt View Favortes Tools Help Google Gv yocp D Er LF Bookmarksy E1 blocked Sr check 4 Autolink a Send tow J settings De Fe Sse test Help Page fit gt El Bh Y eae gt G Toos 989EN Self Test Help Page The following are error codes from the I O Self Test Before performing the self test please disconnect all wires from I O terminal blocks and connect proper excitation to the 989EN If a bit is set it signifies an erro Error Bit 0 0x000001 SPI Check I O Self Test Page Help At the bottom of the Self Test function is a link to a help page to provide error codes for the Self Test SYMPTOM POSSIBLE CAUSE POSSIBLE FIX Green RUN LED Does Not Light Bad connections Recheck Power Connections Internal 3 3V power has failed or Return unit for repair a fatal processor firmware error has occurred Input Power TVS has failed This Return unit for repair Power should could occur for a sustained voltage be fused externally or current limited surge or continuous over voltage to a safe operating level no less than at the power terminals twice the maximum input current Input Wetting Currents are Low or Not 2mA 16mA You are
23. Value See explanation for counter 0 above but apply to counter 5 Counter 5 Pre Load Low Value See explanation for counter 0 above but apply to counter 5 Counter 6 Pre Load High Value See explanation for counter 0 above but apply to counter 6 Counter 6 Pre Load Low Value See explanation for counter 0 above but apply to counter 6 Counter 7 Pre Load High Value See explanation for counter 0 above but apply to counter 7 Counter 7 Pre Load Low Value Counter Debounce Enable Def 0000H All Debounce Disabled Counter Debounce Value Def 0005H 5 milliseconds See explanation for counter 0 above but apply to counter 7 Data Format 16 bit Unsigned Integer The lower byte of this 16 bit register bits 7 0 enables counter debounce on channels 7 0 Bits 15 8 Not Used Bit_7 0 Disabled 1 Enabled Bit_6 0 Disabled 1 Enabled Bit_5 0 Disabled 1 Enabled 0 Disabled 1 Enabled 0 Disabled 1 Enabled 0 Disabled 1 Enabled 0 Disabled 1 Enabled Bit_0 0 Disabled 1 Enabled Data Format 16 bit Unsigned Integer Set a debounce time from 1 to 65534 milliseconds in 1 millisecond intervals Set to 65535 FFFFH or 0 0000H to disable the watchdog timer Note Debounce Value is applied to ALL channels enabled with debounce Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag c
24. acromag com 1 8 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters WEB BROWSER Network Configuration I O Configuration Page After completing the username password assignment plus the network configuration parameters you can use the I O configuration page to setup your I O You can select from various modes of operation for the input and output channels of each port Once you have carefully made your selections click the Write Configuration button at the bottom of the page to activate your configuration reconfiguration takes effect immediately following Write Configuration 1O Configuration Page Help By clicking on the link at the bottom of the I O Configuration Page a quick reference help page will appear This is useful for obtaining a description of available options To go back to the I O Configuration Page scroll to the bottom of the Help Page and there will be a link back Alternatively you can click on the back button on your internet browser The unit includes a default address push button to cause the module to assume a fixed default static IP address 128 1 1 100 This button is at the front of the module and is used to toggle the module into or out of Default Mode If you use the push button at the front of the module to place the module in default mode then Default Communications Mode will be indicated at the bottom of this screen Cl
25. actually wiring to the I O self test control Also included on the Page is an export configuration tool which allows you to copy the configuration of this module to another 989EN You can select the Utility Page button from the Test Page screen to display a screen similar to that shown here Utility Page Windows Internet Explorer EES Ge v http 128 1 1 183 protect utility stm vits x Pir File Edit view Favorites Tools Help Google G vaoo D ER i Bookmarksy E 1 blocked YH check Autolink ep Send tow O Settings Ve de Gutiity page lel A GB i ae G Tools a 989EN 4016 Utility Page Self Test Control Start Self Test Port 1 Status For help click here Export Configuration Control IP Address To Export Configuration To Export Status Export Configuration Use the scroll bar on the right to continue scrolling down the page as shown below gt Utility Page Windows Internet Explorer 6 v http 128 1 1 100 protect utility stm x j File Edit View Favorites Tools Help Google G yac OE i Bookmarks 1 blocked P Check 4 Autolink gt Q Settings ve de utiity Page gt D Eae E Toos A Export Configuration Control IP Address To Export Configuration To Export Status Export Configuration Network Configuration Page Password Configuration Page WEB BROWSER Utility Page When you first enter a page that i
26. and power cycling the unit did not correct your problem then follow this procedure to restore it to its initial configuration and regain control Refer to Acromag Application Note 8500 734 for help in setting up network communication with your unit see CDROM shipped with unit or down load it from www acromag com This document gives details for changing your PC s TCP IP configuration in order to communicate with hardware similar to your unit see TCP IP Properties of Network Configuration in Windows If you have carefully followed this procedure and you still cannot browse your unit you may have the web browser of your laptop or PC setup to use a proxy server when browsing the web If you are using Internet Explorer refer to the Tools pull down menu select Internet options click the Connections tab then click the LAN Settings button Locate the Proxy server information and uncheck the box next to the statement Use a proxy server for your LAN Then click OK to return to the Connections screen and click OK again to save your settings You should now be able to use Internet Explorer to browse the unit as required However to later restore your PC s connection to your company network you may have to re enable the use of a proxy server for your LAN There is limited built in error checking to prevent you from writing invalid values to a configuration register If you inadvertently write an inv
27. but apply to CH 6 CH 6 Input Count Low Value LSW See explanation for CH 0 above but apply to CH 6 CH 7 Input Count High Value MSW See explanation for CH 0 above but apply to CH 7 CH 7 Input Count Low Value LSW See explanation for CH 0 above but apply to CH 7 Register Map Model 989EN 4x16 Note A timeout can only be cleared via a write to any output channel or upon a software or power on reset of the unit or by resetting the outputs Clearing a timeout via an I O write does not return the output s to their initial state They remain in their timeout states until otherwise written Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 46 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters Register Map Model 989EN 4x16 Note A timeout can only be cleared via a write to any output channel or upon a software or power on reset of the unit or by resetting the outputs Clearing a timeout via an I O write does not return the output s to their initial state They remain in their timeout states until otherwise written Description Data Type Format Input Registers 3x References Read Only 30020 19 0013 Counter Alarm Status CH 0 Input Count Timer Value Data Format 16 bit Unsigned Integer This register reflects the Alarm Status for Input Counters 0 7 Each alarm output Ch 8 1
28. not the coincident input channel circuitry inputs will still operate normally Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 22 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters WEB BROWSER 1O Configuration I O Test Page When you first enter a page that includes controls like this you may note that your first click on a control is ignored This is because the first click activates the control The LED s of this page reflect the input level relative to a 4V threshold not necessarily the ON OFF status of the tandem output mosfet TIP You can use the mouse to point and click on a control to toggle the corresponding output on off or you can use the spacebar to toggle the last output contro you pointed to Output Reset Click this button to reset only the output circuitry without invoking a power on input or system reset of the entire unit Note that any shut down outputs will attempt to recover operation following a reset of the port This control is not normally needed but is sometimes useful for trouble shooting and isolating I O problems between input amp output circuitry It is also helpful to restore operation to an output that was shutdown fast or by an output or excitation fault without having to reset the entire system After completing username and password assignment plus the network configuration parameters and I O c
29. port I O status registers and can optionally be automatically retried via the GSRC register controls FFFFH Drain to Source Voltage Faster Output will shut down after 100 450us during turn on into a short circuit The decision for shutdown is based on an output drain to source voltage gt 2 7V This provides protection for loads that experience higher than expected current and require a fast shutdown It is also useful to prevent a shorted load from blowing a series fuse Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 49 Ref Addr Holding Registers 4x References Read Write Description Global Shut Down amp Retry Control GSRC Register Output DO 0 15 Use this register to pick an output thermal or over voltage shut down recovery strategy Def 0003H Refresh OFF Retry Out Restore Out CH 0 15 Output Power Up State Def 0000H All Clear CH 0 7 Counter Enable Def 0000H All Counters Disabled Data Type Format Data Format 16 bit Unsigned Integer This register selects the output fault amp recovery strategy to be applied for over voltage and thermal protection Bit 15 1 Enable Output Refresh 0 Disable Refresh default Bits 14 2 Not Used Set to 0 Bit 1 Thermal over load short circuit action If port output power dissipati
30. settings are reserved for future extensions e Length 2 bytes Represents a byte count of all following bytes e Unit Identifier 1 byte Used to identify a remote unit located on a non TCP IP network Modbus uses TCP IP Ethernet to carry the data of the Modbus message structure between devices That is Modbus TCP IP combines a physical network Ethernet with a networking standard TCP IP and a standard method of representing data Modbus Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 3 8 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters ABOUT MODBUS TCP IP IP Addressing A Modbus TCP IP message is simply a Modbus communication encapsulated in an Ethernet TCP IP wrapper To illustrate Modbus TCP embeds a Modbus data frame into a TCP frame sans the Modbus checksum as shown in the following diagram The Modbus checksum is not used as the standard Ethernet TCP IP link layer checksum methods are instead used to guaranty data integrity TCP FRAME Transaction Identifier Protocol Identifier Length Field Modbus Frame ae oe Modbus Checksum Not Included san Frew oan Oc MODBUS FRAME Note that the Modbus address field is referred to as the Unit Identifier in Modbus TCP In a typical slave application the Unit ID is ignored and just echoed back in the response With respect to the 989EN I O devices these devices normally
31. some cases Case Material Self extinguishing NYLON type 6 6 polyamide thermoplastic UL94 V 2 color beige general purpose NEMA Type 1 enclosure Printed Circuit Boards Military grade FR 4 epoxy glass Shipping Weight 1 pound 0 45 Kg packed Safety Approvals CE marked EMC Directive 2004 108 EC UL Listed UL508 17th Edition ANSI ISA 12 12 01 2007 cUL Listed Canada Standard C22 2 Nos 142 M1987 amp 213 M1987 Hazardous Locations Class l Division 2 Groups A B C D Safety Approvals 989EN 4C16 CE marked EMC Directive 2004 108 EC Operating Temperature 989EN 4016 40 C to 65 C 40 F to 149 F Operating Temperature 989EN 4C16 0 C to 55 C 32 F to 131 F Storage Temperature 989EN 4016 40 C to 85 C 40 F to 185 F Storage Temperature 989EN 4C16 0 C to 70 C 32 F to 158 F Relative Humidity 5 to 95 non condensing Power Requirements 18 36V DC SELV Safety Extra Low Voltage Observe proper polarity See table for current Supply 989EN 4016 Current Draw 66mA Typical 73mA Maximum 49mA Typical 55mA Maximum 33mA Typical 37mMA Maximum CAUTION Risk of Electric Shock More than one disconnect switch may be required to de energize equipment before servicing Isolation I O channel power and network circuits are isolated from each other for common mode voltages up to 250VAC or 354V DC off DC power ground on a continuous basis will withstand 1500VAC dielect
32. stated as tri stating the inputs turns OFF the opposing wetting current pull ups that are also built in Output Refresh Cycle Output states automatically refreshed every 5 seconds if not rewritten This is done to help ensure that outputs recover their programmed state if EMI or ESD ever causes an inadvertent state change without resetting the system By default this is turned OFF and it is recommended to be turned OFF to improve counter performance if you are using counters Turning output refresh OFF allows outputs that experience a fault to stay off after the fault is removed rather than retry their control see Global Shutdown and Retry Control Register Counter Alarm Output Upon counter rollover condition an alarm can optionally be triggered The output will toggle its state and reset either upon next event count momentary alarm or from a manual reset latched alarm Excitation External External voltage is required between EXC and RTN terminals from 8 28V 31V MAX Dimensions 1 05 inches wide 4 68 inches tall 4 35 inches deep Refer to the dimensions drawing at the front of this manual DIN Rail Mount Type EN50022 T rail 35mm I O Connectors Removable plug in type terminal blocks rated for 15A 300V AWG 12 24 stranded or solid copper wire Network Connector 8 pin RJ 45 connector socket with metal shield shield is isolated and bypassed to earth ground at the GND terminal with an isolation TVS and c
33. timeout has occurred Green LINK LED is ON if auto negotiation has successfully established a connection Yellow ACT LED signals PHY network Activity busy ISOLATION BARRIERS Dashed Lines denote isolation barriers The I O circuit network and power circuits are isolated from each other for safety and noise immunity Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 4 CONNECTIONS DIN Rail Mounting amp Removal Network For 100Base TX systems at a minimum use data grade Unshielded Twisted Pair UTP wiring that has a 1000 characteristic impedance and meets the EIA TIA Category 5 wire specifications It is recommended that you use a CAT 5 cable to connect this device to your PC For 10Base T systems you may use Category 3 Category 4 or Category 5 5E UTP STP cable In either case you are limited to 100 meters between any two devices BusWorks Model 989EN User s Manual When attaching the module to the T type DIN rail angle the top of the unit towards the rail and locate the top groove of the adapter over the upper lip of the rail Firmly push the unit towards the rail until it snaps into place To remove first separate the input terminal block s from the bottom side of the module to create a clearance to the DIN mounting area Next while holding the module in place from above insert a screwdriver into the lower arm of the DIN rail c
34. 2 4 To configure the counters for Pre Load start up write OOFFH to register 40011 To enable the counter Alarms write OOFFH to register 40015 To enable the Latching Alarm write OOFFH to register 40014 To set the Pre Load Value write O3E8H to registers 40017 40019 40021 40023 40025 40027 40029 40031 and 40033 NOOO WEB BROWSER Counter Configuration Page Note Counters can be configured through the webpage or via the Modbus registers Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 26 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters WEB BROWSER Counter Configuration Page Counter Test Page When you first enter a page that includes controls like this you may note that your first click on a control is ignored This is because the first click only activates the control The Counter boxes represent the current count value for each input counter Below the LED s of this page reflect the Alarm outputs associated with each event counter The Pulse Time will display the time in milliseconds between the last two count values The time is updated with each incoming count It only holds the current pulse time Note This page is not available on the 989EN 4C16 model TIP For a faster refresh rate use the Modbus registers to read the Pulse Time Problem Configure counters 0 to 3 to count d
35. 48 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters D CROSSOVER CABLE FOR MDI TO MDI OR MDI X TO MDI X ES RJ45 Clip Side Down 5 RJ45 Clip Side Down E 1 FOR DIRECT PC TO ETHERNET MODULE PINS 1103 CONNECTIONS 2TO6 3T01 6102 From the factory the 989EN unit has a default IP address setting of 128 1 1 100 and aclass C subnet mask of 255 255 255 0 This defines a restricted default address domain that your current network cannot address directly unless you first create an exclusive subnet targeted to the 989EN This typically involves a process by which you either change the address of your current network interface card which will temporarily disable it from your own network install a second network interface card or obtain an unused PC or laptop with a NIC installed In any case you must set the address of your network interface card to an address within the default address domain That is an address from 128 1 1 0 to 128 1 1 255 except for 128 1 1 100 which is the default address of the 989EN itself Once you are able to address the unit at its default address you can then reconfigure its IP address setting to an address more meaningful to your own network Application Note 8500 734 is downloadable from the Acromag website a
36. 4V input threshold then return to 2mA continuous Note The 16mA wetting current selection is subject to a built in timer which will automatically change the wetting current back to 2mA 20ms after the input crosses the 4V threshold Data Format 16 bit Unsigned Integer Inputs may optionally be set to a high impedance state In this state the wetting current source will be turned off and the input will function as a simple comparator with a 4 0V threshold 3 7 4 3V range 0000H Tri State Disabled FFFFH Tri State Enabled Inputs are set to high impedance and wetting currents are disabled Register Map Model 989EN 4x16 Note A timeout can only be cleared via a write to any output channel or upon a software or power on reset of the unit or by resetting the outputs Clearing a timeout via an I O write does not return the output s to their initial state They remain in their timeout states until otherwise written TIP Critical applications subject to conditions of severe shock or interference should utilize the built in watchdog timer to signal an interruption in communication Note Tri stated inputs operate as a high impedance comparator input with a 4 0V threshold With inputs tri stated wetting current is turned OFF and unconnected I O may be left floating Unused I O should be pulled above the 4V threshold in order to properly register the OFF state IMPORTANT If inputs are set to a high impe
37. 5 has a one to one correspondence to an associated counter Ch 0 7 Bits 15 8 Not Used Bit 7 0 Alarm Status of Channels 15 8 respectively Data Format 16 bit Unsigned Integer This registers reflects the time in milliseconds between input pulses for CH 0 Note The register is updated after every input count edge CH 1 Input Count Timer Value See explanation for CH 0 above but apply to CH 1 CH 2 Input Count Timer Value See explanation for CH 0 above but apply to CH 2 CH 3 Input Count Timer Value See explanation for CH 0 above but apply to CH 3 CH 4 Input Count Timer Value See explanation for CH 0 above but apply to CH 4 CH 5 Input Count Timer Value See explanation for CH 0 above but apply to CH 5 CH 6 Input Count Timer Value See explanation for CH 0 above but apply to CH 6 Ref Addr CH 7 Input Count Timer Value Description See explanation for CH 0 above but apply to CH 7 Data Type Format Holding Registers 4x References Read Write CH 00 15 Watchdog WD Time Def FFFFH Disabled Data Format 16 bit Unsigned Integer Set a watchdog time from 1 to 65534 seconds in 1 second intervals Set to 65535 FFFFH or 0 0000H to disable the watchdog timer Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Dig
38. Acromag i BusWorks 900EN Series Modbus TCP IP 10 100MB Industrial Ethernet I O Modules Model 989EN 4016 16 CH DI O w Event Counters Industrial Grade Model 989EN 4C16 16 CH DI O Commercial Grade USER S MANUAL ACROMAG INCORPORATED Tel 248 295 0880 30765 South Wixom Road Fax 248 624 9234 P O BOX 437 Email sales acromag com Wixom MI 48393 7037 U S A Web hitp www acromag com Copyright 2009 Acromag Inc Printed in the USA Data and specifications are subject to change without notice 8500 805 H12A011 2 BusWorks Model 989EN User s Manual Modbus TCP IP Digital 1 O amp Counters TABLE OF CONTENTS Symbols on equipment A Means Refer to User s Manual this manual for additional information The information of this manual may change without notice Acromag makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Further Acromag assumes no responsibility for any errors that may appear in this manual and makes no commitment to update or keep current the information contained in this manual No part of this manual may be copied or reproduced in any form without the prior written consent of Acromag Inc For additional information please visit our web site at www acromag com and download our whitepaper 8500 765 Introduction to Modbus TCP IP or 8500 648 Int
39. OUTPUT EXCITATION IS REQUIRED EXTERNAL EXCITATION IS 8V TO 31V MAX is L a OFF D OPEN DRAIN OUTPUTS SHARE RETURN Digital Counter Alarm Outputs 989EN 4016 Only Each of the eight counter channels on the 989EN 4016 has a corresponding Alarm Output 8 Channels These counters can be set to toggle the output state upon alarm They can be programmed to be reset either by the next event count momentary alarm or by a manual reset latching alarm Operation of the Alarm output is the same as standard Digital Outputs Note Excitation is required for Alarm Outputs to operate ALARM OUTPUT LED DRIVER CONNECTIONS EXC EXT CH 8 Ex EXC te el 3 R CH15 16mA 2 ms V LED I O HL N CHxx S 8 28V Q ER re a RTN ET S E OPEN DRAIN OUTPUTS SHARE RETURN EXCITATION IS REQUIRED EXTERNAL EXCITATION IS 8V MN TO 28V OUTPUT N pl lor V Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 1 3 INCANDESCENT LAMP CONTROL CONNECTIONS CHOO EXC EXT 3 an ts g5 i Qs 55VMN oe Digital Outputs y YX L X E T aan 9 16mA 20ms Incandescent Lamp Control gt 8 to 28V CHxx _CHxx isi at i lt Y a To drive lamps you may
40. P Digital I O amp Counters 6 1 IMPORTANT Power input and output I O wiring must be in accordance SPECIFICATIONS with Class Division 2 wiring methods of Article 501 4 b of the National Electrical Code NFPA 70 for installations in the US or as specified in section 18 1J2 of the Canadian Electrical Code for installations within Environmental Canada and in accordance with the authority having jurisdiction This equipment is suitable for use in Class l Division 2 Groups A B C and D or non hazardous locations only Model 989EN 4016 ONLY WARNING EXPLOSION HAZARD Substitution of components may impair suitability for Class l Division 2 WARNING EXPLOSION HAZARD Do not disconnect equipment unless power has been switched off or the area is known to be non hazardous Reference Standard CNR indicates investigation to Canadian Standard C22 2 No s 142 M1987 amp 213 M1987 USR indicates investigation to United States UL Standards 508 and 1604 MTBF Mean Time Between Failure MTBF in hours using MIL HDBkK 217F FN2 989EN 4016 25 C 444 109 hrs 40 C 276 904 hrs Per MIL HDBK 217 Ground Benign Controlled GgGc Connector Shielded RJ 45 socket 8 pin 10BaseT 100BaseTX Ethernet Interface Wiring Wired MDI X w Auto Crossover support Protocol Modbus TCP IP w Web Browser Configuration IP Address Default mode static IP address is 128 1 1 100 Port Up to 5 sockets supported uses port 502 rese
41. The higher level of initial current will help to prevent oxide buildup on external switch contacts The current can also be set to only source 2mA continuous This current can also be turned OFF by tri stating the port inputs Warning To comply with safety and performance standards use shielded cable and connect earth ground as noted Failure to use good wiring and grounding practices may be unsafe and negatively affect performance Digital Inputs Inputs are active low with 4V thresholds 3 7 4 3V range Input connections require an external excitation source Limit input voltages to less than 31VDC maximum Inputs include wetting current pull ups to sense switch closure which also allows the open drain output to operate without adding a pull up Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 8 CONNECTIONS Digital Inputs Normally Open N O or Normally Closed N C Dry Contact Relay Inputs use wetting current to sense external contact state This current normally goes to 16mA when the input descends below the 4V threshold for 20ms then returns to 2mA continuous Normally Closed Dry Contact Relay with Series Contact excitation Do not exceed 31V at the inputs BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters SIMPLE DIGITAL INPUT CONNECTIONS mene U Excitation Up to 28VDC CHxx T
42. abled You must enable the counter inputs either via the webpage or through the Modbus registers Reg 40010 Note 989EN 4C16 is not equipped with Event Counters Are the Counting Inputs Stopped You must start the counters either via the webpage or through the Modbus registers Reg 40043 Is your debounce time too long Set the debounce time to be less than half of your input pulse width Excitation is below 8V or inputs are tri stated and floating The built in wetting current sources that function as input pull ups are not operable without proper excitation or with the inputs tri stated Connect an excitation voltage or pull the input signal up above the 4 3V maximum input threshold as required Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 3 1 SYMPTOM POSSIBLE CAUSE POSSIBLE FIX Outputs Don t Stay Shutdown After Fault with GSRC Register Bit Clear Internal refresh cycle is enabled see also Global Shutdown amp Retry Control Register Also disable the Auto Output Refresh cycle if you want outputs to stay shutdown after a fault Outputs Not Working Missing external excitation You must connect an excitation supply between the EXC amp Return RTN terminals to power the output circuit Have you checked I O operation via self t
43. alid value to an internal register operation may become unpredictable under certain conditions If resetting the unit fails to restore order then to regain control of the unit the unit can either be re downloaded at the factory or you can try restoring its initial configuration by following this procedure Procedure For Restoring any 989EN Unit to its Initial Configuration IMPORTANT Before reading on please follow the default mode activation procedure located on page 3 If you are still unable to communicate to the module please continue reading WARNING Use this only as a last resort as this procedure will reset everything to its default state all holding registers and network settings the permanently coded MAC ID does not change 1 With unit power OFF press and hold the front panel DEFAULT push button 2 While still pressing the push button switch in apply power 3 Note that the green RUN LED will turn ON Continue to press the push button for about 5 seconds until the green RUN LED turns OFF Release the DFT push button at this point and the RUN LED will blink for 1 10 seconds as the unit acquires its address then remains ON for normal operation normal boot At this point the unit is not in the default communication mode but all registers are reset back to their default factory state 4 If the green RUN LED never turned OFF while you held the DFT push button during power up then reinitializing the unit has fail
44. ans input is ON active low lt 4V threshold A clear bit 0 means input is OFF high gt 4V threshold Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 44 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters Register Map Model 989EN 4x16 A drain to source voltage greater than 50V or an excitation voltage between 28 35V could trigger the output over voltage only flag and the Any Fault flag Note that if output fault fast shutdown is selected the output error status flag may not get set The error status flag is only set while the output attempts to drive the fault The output will shut down then the error status flag will clear as the part cools If auto retry and or auto refresh are enabled via the Global Shutdown amp Retry Control register the error status flag may appear to be intermittent while the fault condition remains This is because the output periodically retries its drive shuts down then recycles with each retry Description Data Type Format Input Registers 3x References Read Only 30001 0000 Unit Status Use this register to check for wink mode default mode or watchdog timeout I O Error Status Use this register to check for output thermal fault output over voltage excitation over voltage open output load or input thermal fault Input Change Detect Lat
45. apacitor Connections are wired MDI or MDI X A CAT 5 cable is recommended to connect this module to a PC Signal MDI Description TX Transmit Positive Tx Transmit Negative Rx Receive Positive Not Used Connects to Pin 5 Not Used Connects to Pin 4 Rx Receive Negative Not Used Connects to Pin 8 Not Used Connects to Pin 7 SPECIFICATIONS Do not enable open load detection without tri stating the inputs as this adds a pull down to the I O channel that opposes the pull up present outside of tri state mode It is recommended to turn output refresh OFF to improve counter performance or if you wish outputs to remain OFF following a shutdown due to a fault condition General Specifications Enclosure and Physical Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 60 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters SPECIFICATIONS Enclosure and Physical Agency Approvals Environmental CAUTION Do not exceed 36VDC peak to avoid damage to the module External Fuse Select a high surge tolerant fuse rated for 1 Amp or less to protect unit Note Current draw does not include excitation current draw Note that I O channels are not isolated channel to channel These limits represent the minimum requirements of the standard but product has typically been tested to comply with higher standards in
46. arameters which must be preset via the web browser The Export Status window will let you know if the configuration was received correctly or not at the remote I O station I O Self Test Control Error Codes Bit Description of Error Bit 0 SPI Check SPI Communication error Bit_1 Reset Output command error Bit_2 Reset Input command error Bit 3 Open load current enable command error Bit_4 Output Short Fault Protection Disable command error Bit 5 Global Retry All command error Bit 6 Output Write Fault 0x5555 Write outputs command error Bit_7 Input Read Fault Read inputs command error Bit 8 Write Read mismatch Input did not read 0x5555 Bit 9 Output Write Fault OxAAAA Write outputs command error Bit 10 Input Read Fault OxAAAA Read inputs command error Bit 11 Write Read mismatch Input did not read OxAAAA Bit 12 Output Write Fault Walk 1 Write outputs command error Bit 13 Input Read Fault Walk 1 Read inputs command error Bit 14 Write Read mismatch Input did not match output any failure Bit 15 Output Write Fault Walk 0 Write outputs command error Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 29 Bit Description of Error Bit 16 Input
47. at 16 bit Unsigned Integer This 16 bit register defines the lower word of the Pre Load value for counter 0 Counter 1 Pre Load High Value See explanation for counter 0 above but apply to counter 1 Counter 1 Pre Load Low Value See explanation for counter 0 above but apply to counter 1 Counter 2 Pre Load High Value See explanation for counter 0 above but apply to counter 2 Counter 2 Pre Load Low Value See explanation for counter 0 above but apply to counter 2 Counter 3 Pre Load High Value See explanation for counter 0 above but apply to counter 3 Register Map Model 989EN 4x16 Note Shaded registers are only available on the 989EN 4016 industrial model Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com D 2 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters Register Map Model 989EN 4x16 Note Shaded registers are only available on the 989EN 4016 industrial model Ref Addr Description Data Type Format Holding Registers 4x References Read Write Counter 3 Pre Load Low Value See explanation for counter 0 above but apply to counter 3 Counter 4 Pre Load High Value See explanation for counter 0 above but apply to counter 4 Counter 4 Pre Load Low Value See explanation for counter 0 above but apply to counter 4 Counter 5 Pre Load High
48. ata Format 16 bit Unsigned Integer Model 989EN 4x16 The lower byte of this 16 bit register bits 7 0 stops the counting of counter channels 7 0 respectively This register will always read back as FFFFH Bits 15 8 Not Used Bit 7 0 Don t Stop 1 Stop Bit_6 0 Don t Stop 1 Stop it 5 0 Don t Stop 1 Stop 0 Don t Stop 1 Stop 0 Don t Stop 1 Stop 0 Don t Stop 1 Stop 0 Don t Stop 1 Stop 0 Don t Stop 1 Stop Data Format 16 bit Unsigned Integer The lower byte of this 16 bit register bits 7 0 enables reset of counters channels 7 0 respectively This register will always read back as FFFFH Bits 15 8 Not Used it 7 0 Don t Reset 1 Reset 0 Don t Reset 1 Reset 0 Don t Reset 1 Reset 0 Don t Reset 1 Reset 0 Don t Reset 1 Reset 0 Don t Reset 1 Reset 0 Don t Reset 1 Reset 0 Don t Reset 1 Reset Refer to Register Mirroring 1xxxx Input Status Registers are mapped to the 41xxx Holding Register space using an address offset of 41000 Refer to Register Mirroring Oxxxx Coil Registers are mapped to the 42xxx Holding Register space using an address offset of 42000 Refer to Register Mirroring 3xxxx Input Registers are mapped to the 43xxx Holding Register space using an address offset of 43000 Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 56 BusWorks Mo
49. ated 10 100Mbps Ethernet interface for configuration monitoring and control of the I O Inputs and outputs are connected in tandem with each other An internal microcontroller will switch outputs ON OFF and sample the digital inputs The eight 32 bit event counters capture signals up to 150 Hz and include a programmed debounce selectable up down counting selectable edge and eight alarm outputs managed by the microcontroller available on the 989EN 4016 model only Input counts and configuration parameters are stored in non volatile memory With outputs turned OFF channels operate either as active low wide range voltage inputs or up to eight event counters Otherwise inputs monitor the state of the corresponding open drain output for independent loop back monitoring of the output Outputs of these models are the open drains of n channel mosfets low side switches Inputs are active low A buffered input comparator is connected in tandem with each drain circuit and compares this signal to a 4 0V reference voltage Inputs sense switch closure via built in wetting current generators 2mA These current sources can initially provide a higher level of current during switch closure 16mA This helps to minimize oxide buildup on external switch contacts These sources also eliminate the need to pull up the tandem open drain mosfets of the output circuitry Optionally these current sources can be disabled and the input will operate as a simple
50. automatic MDI MDI X crossover and do not require crossover cables ME ETERNE Acromag 989EN 4016 a Ethernet Module Acromag jj a Bos The ethernet port of this 5 5 5 oon module supports automatic MDI MDI X crossover and is wired CAT 5 UTP CABLE MDI X UP TO 100 METERS re eos RS SSS uu BS sr Straight Through or Crossover Cable a err Order Acromag Cable Model 5035 355 CAT 5 UTP CABLE UP TO 100 METERS a rsromag Wanra eA i SO sr Straight Through or Crossover Cable emenve Rah over CAT 5 UTP CABLE UP TO 100 METERS c Straight Through or Crossover Cable CAT 5 UTP CABLE UP TO 100 METERS Straight Through or Crossover Cable Connect 18 36V DC to the power terminals labeled DC amp DC Observe proper polarity For supply connections use No 14 AWG wires rated for at least 75 C CAUTION Do not exceed 36VDC peak
51. avoid EON using the fast short fault OPEN DRAIN ie RETURN SY I protection mode ge it might f RTN cause nuisance shut downs as EXCITATION IS REQUIRED EXTERNAL EXCITATION IS 8V MIN TO 31V MAX OUTPUT a result of high ON inrush AVOID ENABLING FAST SHORT FAULT PROTECTION WITH INCANDESCENT LAMPS TO ON AVOID NUISANCE TRIPS WTH RESULTANT HIGH INRUSH CURRENTS if iS oF currents Although selecting fast shutdown helps limit repeated thermal stress on the output Other Considerations For Output Conirol dr Wel If AGIs t00 fast to report it via the output fault flags e Built in protection in the outputs will automatically shut down specific output operation for current limit thermal overload excitation over voltage and output drain over voltage conditions The outputs can optionally be programmed to automatically retry their control or remain OFF following a thermal or over voltage shut down default response e f you enable open load detection a 50uA pull down current will be present with the output in the OFF state This opposes the input wetting current pull up so inputs must be tri stated for this to work You may wish to reconsider enabling this detection if you happen to be driving loads sensitive to small currents or you cannot tolerate unused inputs being pulled to the ON state You can select a faster responding 100 450us shutdown mechanism that is triggered based on output Vds measurement default as opp
52. been removed Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 23 A watchdog timeout is triggered if no output channel write occurs for one or more channels of a port within the time period specified You can use the watchdog Timer Control to specify Time from 0001H to FFFEH seconds 1 to 65534s A time value of 0000H or FFFFH 0 or 65535 will disable the timer for the port I O You can also define the state the outputs are to assume following a timeout For example enter a state value of O to turn OFF open all port outputs failsafe state upon watchdog timeout You would enter 1 to turn all port outputs ON upon watchdog timeout The Counter Configuration Page allows you to configure each of the eight event counters Select the counter channel at the top of the page and the configuration for that channel will be displayed below After you ve set up the channel scroll to the bottom of the page and click submit C Counter Configuration Page Windows Internet Explorer GO E rtt 126 1 1 183 protect counconf stm Fis x Pir File Edt Wew Favorites Tools Help Google G Fot p O E vy Bookmarks Bi blocked P check A Autolink LB serdtew Q settings We Be counter configuration Page R h E Page Gp Toos 989EN 4016 Counter Configuration Page Counter0 OCounter1 OCounte
53. ceiving the data a message received via TCP will get a response via TCP IP is a network protocol responsible for addressing and delivering the data Referring to the OSI Network Model a simplified model is shown at left we see that these protocols reside at different layers with the application layer at the top As data is transmitted each lower layer adds its own header information to the front of the packet that it receives from the next higher layer The higher layer data is essentially encapsulated by the lower layers according to the different protocols that operate at these levels and whose service is requested With respect to Modbus TCP IP the application layer data of Modbus is encapsulated by the transport layer data of TCP which is then encapsulated by the network layer data of IP This process of wrapping outgoing messages with layer frames as the message is passed down the stack changes to a process of peeling back the layer frames at each layer for a received message as it is subsequently passed up the stack to the application layer For the 989EN modules Modbus serves as the application protocol and it defines the rules for organizing and interpreting the data Itis essentially a messaging structure that is independent of an underlying physical layer The transport layer resides just below this application layer and is responsible for the transmission reception and error checking of the data While there are a number of
54. channel to be restored after a power loss Event counts can also be enabled to start up with its preload value after power loss Default Counter Debounce Default Disabled Event Counters are equipped with a programmable debounce for noisy input signals such as electro mechanical relay contact bounce Counter Debounce Time Debounce Time can be set from 0 to 65535ms WEB BROWSER 1 O Test Page Counter Configuration Page The input event counters must cross the 4V threshold in order to register a count Note This page is not available on the 989EN 4C 16 model Note In order for counters to operate proper excitation must be provided Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com hittp www acromag com 2 4 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters WEB BROWSER Counter Configuration Page Note After a counter is enabled the output for that channel is automatically disabled Note Debounce time applies to all enabled channels Note This page is not available on the 989EN 4C16 model Note Input signals must be stable longer than the debounce time to avoid missing counts Counter Pre Load Value Each channel can be pre loaded with a start value for the counter from 0 4 294 967 295 Counter Alarm Enable Default Disabled Event counters are equipped with alarms that can toggle the alarm output state upon reaching the ter
55. ching CH 0 Input Count High Value Most Significant Word Data Format 16 bit Unsigned Integer Bit 15 NV Memory Fault 1 Non Volatile Memory failed initialization Bit 14 Wink Mode Flag 1 Wink Blinks Run LED for ID See Wink Unit Register Bit 13 Default Mode Flag 1 Default Mode Indication Bits 12 1 0 Not Used Bit 0 WD Fault CH 00 15 1 Watchdog Fault Data Format 16 bit Unsigned Integer This register reflects the fault status for I O channels 0 15 Bit 15 3 0 Not Used Bit 2 Output Any Fault flag including thermal fault excitation over voltage open load detected and output over voltage Bit 1 Output over voltage only flag drain source or EXC over voltage Bit 0 Input Thermal Fault Flag Note that only the faulted output s will shut down if a fault flag is set not the entire port If excitation over voltage is tripped all channels are shutdown Open load detection does not shut down the Data Format 16 bit Unsigned Integer The bit position corresponds to the input channel number for the port A set bit 1 means the corresponding channel of the port has changed states Reading this register will clear all bits to 0 The Isb is channel 0 Data Format 16 bit Unsigned Integer This registers reflects the upper word count value of Channel 0 Note that this register cannot be changed directly To preset a count value use Holding Register 40015 This is only avai
56. cy lt 1 Hz lt 1ms 0 1 or better Output OFF Voltage Range 0 to 28V DC 31V maximum Output control voltage range is first limited to 28V or the excitation voltage level whichever is less then the transient voltage suppression 31V see below then the input circuitry 38V then the output driver 50V Built in over voltage protection limits the output operating range see below and may temporarily shut the output down for excitation voltages greater than 28V or output drain source voltages greater than 50V Output Drain to Source ON Resistance Rds 0 550 typical 25 C 1 10 maximum 125 C junction temperature Output ON Current Range 1mA to 500mA maximum DC continuous each output The sixteen outputs share 3 common return terminals RTN which are limited to 2A combined total giving 0 125A 16ch or 0 5A 4ch No deration is required at elevated ambient temperature Individual outputs also have internal over current fault limits of 1 2A typical 0 9A to 2 5A range that will limit current until the internal over temperature limit is reached triggering a thermal shutdown of the output see below Note the input wetting current is additive to the load current 2mA 16mA but may be optionally turned off with inputs tri stated Output OFF Leakage Current 10uA typical 20UA maximum This increases by 50UA if open load detection is enabled Output Excitation Excitation is connected between t
57. dance state tri stated the tandem output drain of the channel may be left floating and will require a pull up or load connection to operate properly In general tri stated inouts should not be left floating You can optionally utilize the open load detect pull downs built into the unit to pull the unused tri stated inputs to the ON state Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 4 8 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters Register Map Model 989EN 4x16 IMPORTANT Outputs that utilize fast shutdown are not subject to the automatic retry mechanism of the GSRC register That is faulted outputs that are shutdown fast do not retry their control until reset or optionally via the output refresh cycle when enabled Outputs that were shutdown fast in response to a fault are also not reported in the Port VO Error Status registers Ref Addr Description Data Type Format Holding Registers 4x References Read Write Output Open Load Current Enable for DOO 15 Enables 50uA pull down currents at the outputs for open load detection with inputs tri stated Def 0000H Open Load Disabled Short Fault Protection Control SFPC Output DO 0 15 Enables a fast output shut down without using an over temperature trigger This allows the protection to be tailored for inductive versus incande
58. del 989EN User s Manual Modbus TCP IP Digital I O amp Counters SPECIFICATIONS Model Numbers 989EN 4016 989EN 4C016 Digital Inputs CAUTION Failure to pull the VO channel above the 4 3V maximum threshold when the output is OFF or with the input tri stated can result in the OFF output state being erroneously indicated as ON Likewise attempting to drive output loads with IR exceeding 4V will cause the input to indicate an OFF state with the mosfet ON as the input threshold crosses back above 4V there is up to 16mA of wetting current per channel IMPORTANT Inputs and Outputs will not operate without excitation Note Excitation of 8V or greater is required to deliver the full 2mA 16mMA of wetting current Note Input Counters are only available on the 989EN 4016 model ONLY These DIN rail mount industrial Ethernet digital 1 O modules include sixteen combination digital I O counter inputs 989EN and provide an isolated 10 100BaseT TX Ethernet port for monitoring and control Units are DC powered and include reverse polarity protection Outputs are open drain low side switches while inputs are active low Channel I O network and power circuits are isolated Outputs have high voltage current capacity for discrete on off control of external devices Non inverting buffered inputs provide support for digital level sensing or for simply reading back the tandem output I O channels share common The first e
59. ed and you should try it again This time make sure that the DFT push button switch is completely depressed and held until RUN turns OFF while powering the unit Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 3 3 TECHNICAL REFERENCE KEY FEATURES e Safety Agency Approvals CE UL amp cUL listed plus Class l Division 2 Groups A B C D approval 989EN 4016 ONLY e Fully Isolated I O channels network and power are all isolated from each other for safety and increased noise immunity e Modbus TCP IP Protocol Support Supports up to 5 sockets masters using port number 502 Modbus TCP IP Default e Flexible IP Addressing Supports static or DHCP e Built In Web Pages Allow unit to optionally be configured controlled and monitored via access with a standard web browser over Ethernet e Convenient Wink ID Mode Support Blinks green RUN LED in wink mode as a tool to help identify specific remote units e Network Port is Transient Protected Shielded RJ45 port includes transient protection from ESD EFT and other transients e 10Base T and 100Base TX Support Auto negotiated 10 100Mbps Half or Full Duplex e Input Event Counters Input channels can be used as a 32 bit event counter for signals up to 150 Hz Counters have selectable up down counting selectable count ed
60. eeeeeeeeeeeeees 18 I O Configuration Page Help ceceeeeeeeeeeeeeeees 18 Test P gens secede coches toc eevee ond cecace aa aS hee ERE 22 Counter Configuration Page ccceceeeeeeneeeees 23 Counter Test Page ccececeeeeeeeeeeeeeeneneneenenees 26 Utility Page c2 c22 2 criccae sence a aa a teres ese 27 VO Self Test Help ccccececeeeeeeeeeeeeeeeeeeeeeees 29 TROUBLESHOOTING cceceeeeeeeeeeeeeeeeeeeeeeeeeeeeenes 29 Diagnostics Table ccceceeeeeeeeeeeeeeneneeeeneeeens 29 Getting Out Of Trouble ccceeeeeeeeneeeeeeneeees 32 Trouble Browsing Your Module scsssesseeeeeee 32 TECHNICAL REFERENCE KEY FEATURES iinan aan a aceasta 33 HOW TT WORKS iedeen aa SE EEE E 34 ABOUT MODBUS TCPIIP cceceeeeeeeeeeeeeeeeeeeeneeeees 36 IP Addressing ceeeeeeeeeeeee eee eeeeeeeeeeneeeeneneneene 38 Dynamic Host Configuration Protocol 0 39 Domain Name System DNS ccceeeeeeeeeeee ones 40 MODBUS REGISTERG ceceeeeeeeeeeeeeeeeeeeeeeeeeeeeess 40 Register FUNCtIONS ccceceeeeeeeeeeeeeeeeeeeeeeeeenes 40 Register Mirroring 2 2 ccsceeeeeeeeeeeee eee eeeee eens 41 Data Type Sa vctensiocstactavar E E se uedte sees ties 42 Register Map ccccceceeeeeeeeeeeeeeeeeeneeneneeeenenenees 43 SPECIFICATIONS en ee iae eitec steed ee i aesae adaa 56 Model NUMbE S 0 ceceeeeeeeeeeeeeeeeeeneeeeeeneeeenees 56 Digital INpU
61. er inrush currents as opposed to inductive loads with a slower current response Note that a fast shutdown also acts too quickly to be captured and reported via the Any Output Fault and Output Thermal Fault bits of the I O Status register Output Shutdown Retry Control Use the Global Shutdown amp Retry Control register to select how you would like the outputs to react following a thermal output over voltage or excitation over voltage fault shutdown The output driver has built in over current limiting with thermally triggered shutdown protection and over voltage triggered shutdown protection That is an output channel may shut down operation for output faults that occur either as a thermal fault or over voltage fault You can elect to keep the output shut down if auto refresh is also OFF or automatically retry its control following a shutdown If the fault has been removed normal operation can be automatically recovered That is a thermal shutdown may retry the output once the part has cooled sufficiently or the short fault has been removed Auto Output Refresh Outputs can be optionally refreshed every 5 seconds to help ensure that outputs retain their programmed states if EMI or ESD should cause an inadvertent state change By default this is turned OFF and it is recommended to be turned OFF to improve counter performance if you are using counters Disabling refresh also allows an output to remai
62. eseretore ere disebled vith inpute tri sca that tri aca impete will lve leave she tention open drain output fleeting Lf ne inal As mannen You ney eptiscally SEAL sis n load detection puli downs to pull these inputs to the ON state eh a ret ae hera a eea and or pulled up extes above OV inpi opistet prepari oc indicate Gf e deee HBO OES a ee e cant it You aad ma maa mia ezai bes Sx io ang bo safal fm xassblovsharsiny med tealosing 1 0 pesblaso boveosn aang imal yebioa T b the pees autpete at SISON ce ainidde ini wiisntig nitur TE 0 the port over this period e wetchdeg Simout occurs aad the watchdog fiag for Baas Bogie e e a d e Dery a tn pre defined state upon watchdog timeout or do nothing see below Purpur wD Stace 16 Bit Mex Value a Done O meere taas Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 1 Q I O Configuration Page Help At the bottom of the I O Configuration Page is a help page to provide readily available answers to questions about the controls Each control is described in detail as on the next page but also obtainable via your internet browser Refer to the following definitions and the Modbus Memory Map for information on optional modes of operation Input Functions Input Wetting Current 2mA 16mA Wetting current is used by the inputs to sense switch c
63. est feature To verify I O is operational and has not been damaged use the Self Test feature see Utility Page Be sure to unplug the terminals to avoid signal contention with external I O signals Output Fault has occurred Outputs may shutdown in response to a fault see the Global Shutdown amp Retry Control register Review the info of the I O Config Page and note outputs may shut down for over current temperature and voltage faults Identify any potential faults or shorts and correct them Remove output field wiring to see if operation is restored Output TVS has failed Note The TVS working voltage limit is 31V Cannot Browse Unit Your browser may be setup to use a proxy server for LAN communications Outputs include transient voltage suppressors that will squelch over voltage of short duration but may fail for sustained over voltage fault conditions without current limiting In this case the unit must be returned to the factory to replace this TVS Temporarily disable the use of a proxy server by your browser see procedure on bottom of page I O Status Flags Appear Intermittent Your unit is periodically retrying its control while a fault is present Auto refresh should be OFF if you wish faulted outputs to stay OFF See the Global Shutdown amp Retry Control register to affect this behavior Unit Fails to Start up or Initialize Input power voltage below 18V minim
64. eturned in the response If a holding register is written with an invalid value exception code 03 Illegal Data Value will be returned in the response message You may refer to the Modbus specification for a complete list of possible error codes 989EN 4016 Report Slave ID Example Response FIELD DESCRIPTION Unit ID Echo Unit ID Sent In Query Function Code 11 Byte Count 43 Slave ID Model No 11 989EN 4x16 Run Indicator Status FFH ON Firmware Number 41 43 52 4F 4D 41 47 2C 39 33 30 30 2D 31 String Additional 33 36 41 2C 39 38 39 45 4E 2D 34 30 31 36 Data Field ACROMAG 9300 136A 989EN 4016 serial number amp rev six byteMACID Note Model 989EN 4016 uses slave ID 11 and firmware number 9300 136 Model 989EN 4C16 uses slave ID 12 and firmware number 9300 137 The firmware model numbers are also indicated on the home page of the web browser For detailed information on Modbus feel free to download our technical reference 8500 648 Introduction To Modbus at www acromag com You can also find more information specific to Modbus TCP IP by downloading whitepaper 8500 765 Introduction To Modbus TCP IP Additional information regarding Ethernet can also be found in our whitepaper 8500 747 Introduction To Ethernet IP For your convenience the 989EN mirrors the contents operation of registers Register Mirroring OXxxx 1XXxXX amp 3xxxx as applicable into holdi
65. fault if an output drives a shorted load built in thermal protection will kick in to protect the output Optionally this device allows you to specify whether a port is to rely on the internal thermal protection mechanism or implement a faster responding 100 450us shutdown mechanism based on the output drain to source voltage This effectively allows output port protection to be tailored to incandescent lamp loads or inductive loads Limiting thermal stresses also helps preserve the life of the output driver e Failsafe Mode Support w Watchdog Time Control Outputs can be sent to a failsafe state if the host fails and a watchdog timeout occurs e Output Open Load Detect Outputs include 50uA current sinks pull downs that can be enabled to flag an open load with inputs tri stated e Internal Watchdog A hardware watchdog timer is built into the microcontroller that causes it to initiate a self reset if the controller ever locks up or fails to return from an operation in a timely manner e Wide Range DC Power Wide range diode coupled power for use with redundant supplies and or battery back up e Hardened For Harsh Environments For protection from RFI EMI ESD EFT and surges Has low radiated emissions per CE requirements e Wide Ambient Operation Reliable over a wide temperature range The 989EN digital I O module will interface with any mix of up to sixteen digital input and or output signals and provide an isol
66. ge and programmable debounce This feature is only available on the 989EN 4016 model e Programmable Debounce Event counters are equipped with programmable debounce from 0 65535 ms This function is useful for eliminating false counts from electro mechanical relay contact bounce and other mechanical effects e Counter Alarm Output Counters can be set to output upon rollover condition The output will toggle state and reset either upon next event count momentary alarm or from a manual reset latched alarm e Nonvolatile Counter Memory Allows the count value to be restored after power loss to model e Last Count Timer Event counters are equipped with a timer that will display the last count value up to 65535ms The timer has the option of setting a time limit to identify a stoppage in incoming pulses e Plug In Terminal Blocks amp DIN Rail Mount Make mounting removal and replacement easy e Flexible Discrete Inputs amp Outputs High voltage current open drain outputs provide direct low side control of external devices Buffered inputs allow outputs to be read back or input levels to be monitored e Outputs Have Built in Protection Over temperature current shut down protection is built in and includes active clamping circuitry for switching inductive loads e Nonvolatile Reprogrammable Memory Allows the functionality of this device to be reliably reprogrammed thousands of times e Tandem Input Output
67. ged by a fault bit in the port s I O status register This pull down current is separate from the wetting current generators pull ups of the tandem inputs If you are driving loads sensitive to low current in the OFF state leave this feature OFF Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 2 1 Output Short Fault Protection Thermal or Fast Shutdown Outputs include over current protection normally triggered thermally which allows the output driver to heat up for a shorted load before shutting down the output The long term effect of this is that it may induce thermal stress in the output IC that can shorten its life for repeated faults This protection also acts slower as it requires the part to heat up before shutting down However if you enable Short Fault Fast Shutdown a faster method of triggering a thermal fault is used that instead relies on output Vds measurement not self heating A fast shutdown of the output will occur within 100 450us after a turn on into a short circuit with this protection enabled This feature is generally used to provide protection for loads that experience higher than average currents and require a fast shutdown or to preserve an external series fuse But a fast shutdown could become bothersome if the output happens to be driving incandescent lamps which may experience high
68. he Exc and Return terminals and must be a DC voltage from 8 to 28V DC Inputs and outputs will not operate without excitation The excitation input includes transient protection and filtering plus a series connected reverse polarity blocking diode The port input wetting current and internal logic currents are all sourced from the excitation supply Output Over Voltage Protection Outputs are intended to switch voltages within the excitation voltage range but will shutdown operation for excitation over voltage conditions above 28V 30V typical 35V max and any drain to source voltages greater than 50V Normal operation will resume following shutdown upon return to proper voltage level Note that sustained voltages above 31V can damage the transient voltage suppressor Following a fault shutdown the outputs may be configured to retry the previous state or remain OFF depending on the settings of the Output Global Shutdown Retry Control register Output Over Current Protection The outputs have internal self limiting ON state currents of 1 2A typical 0 9A to 2 5A range An output will limit fault current in this range until the output thermal limit is reached and the output enters over temperature shutdown A thermal fault flag will be set Only the faulted output will shut down not every outputs Upon removal of the fault condition the output will automatically return to its previous state or stay OFF based upon the control bit settings in t
69. he Output Global Shutdown Retry Control Register WARNING Individual output current is limited to 500mA maximum You should not attempt to operate outputs above these limits or you may exceed the safe operating range for the foils of the circuit board which may result in permanent damage to the unit Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 59 Output Over Temperature Protection The outputs have internal over temperature limits that trigger for a junction temperature of 165 C 155 C to 180 C range Only the output experiencing an over temperature condition will shut down Upon return to normal temperature a 10 C typical hysteresis applies 5 20 C range the output will automatically resume its prior setting or remain OFF according to the control bit settings in the Port Output Global Shutdown Retry Register Output Open Load Detection w Inputs Tri Stated Outputs may utilize 50uA current sink pull downs to facilitate open load detection when the tandem inputs are tri stated These are also useful to help keep the tandem tri stated input from floating but note that they pull to the ON state This protection is disabled by default and would not be appropriate where 50uUA of OFF state current cannot be tolerated where pulling to the ON state is not appropriate or if the tandem inputs are not tri
70. he same way as the 1xxxx Input Status Registers You can also write to the coil registers by using the Preset Single Register function with an address offset of 42000 Setting the data to OOOOH will turn the coil OFF while setting the data to FFOOH will turn the coil ON Writing to multiple coils is not supported via register mirroring you must use the Write Multiple Coils function for that I O values for 989EN units are represented by the following simple data types for temperature percentage and discrete on off Summary Of Data Types Used By 9xxEN Models Data Types Discrete A discrete value is generally indicated by a single bit of a This Model 16 bit word The bit number position typically corresponds to the discrete channel number for this model Unless otherwise defined for outputs a 1 bit means the corresponding output is closed or ON a 0 bit means the output is open or OFF For inputs a value of 1 means the input is ON Active low near OV while a value of 0 specifies the input is OFF or in its high state Normalized A 16 bit signed integer value is used to represent 20000 Data Count counts for bipolar input ranges and 0 20000 counts for unipolar input ranges For example 1V OV and 1V are represented by integer values 20000 0 and 20000 for bipolar devices respectively Temperature A 16 bit signed integer value with resolution of 0 1 C Isb represents the range of a TC type measured in degree
71. he separate input and output channels of this device and the built in wetting current sources at each input to test I O operation right up to the field screw without having to do any wiring This is a useful trouble shooting aide if you are experiencing problems Make sure that all outputs are OFF and disconnect I O port field wiring to the unit Then click the Start Self Test button to check I O operation Note that this test still requires external excitation as I O cannot operate without excitation This represents a true test of the I O as the input comparator is tied directly to the output mosfet drain terminal of the channel Export Configuration Control Enter the IP address of the destination unit you are trying to replicate this configuration at This unit must be already connected to the network Refer to Network Connections for examples of how to network connect units The export function is a real time saver when commissioning multiple units in similar fashion Simply enter the IP address of the unit you wish to send your I O configuration to it is assumed that you have already communicated with it and setup its network parameters Click the Export Configuration button to transmit your I O configuration With reference to the Modbus Memory Map for this device this function sends the contents of all Holding Registers 4xxxx registers right up to the wink register to the IP address indicated it does not send network configuration p
72. hen a DHCP device wants to use a TCP IP application it must request an IP address from the DHCP server The DHCP server will check the shared supply and if all addresses are in use the server will send a busy signal to the client which tells it to try again later Static IP addresses will ensure a connection every time but dynamic addresses do not ABOUT MODBUS TCP IP IP Addressing TIP The first node 0 node 10 and the last node 255 for our example are typically reserved for servers and may yield poor results if used Dynamic Host Configuration Protocol DHCP Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 40 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters ABOUT MODBUS TCP IP Domain Name System DNS MODBUS REGISTERS The x following the leading character represents a four digit address location in user data memory The leading character is generally implied by the function code and omitted from the address specifier for a given function The leading character also identifies the VO data type Register Functions DNS refers to the Domain Name System or Domain Name Server This refers to the system used to associate an alphanumeric character string with a numeric IP address The DNS is actually a distributed database of domain names and corresponding IP addresses These servers contain information on some segme
73. ice to help prevent errors Click the submit button to write your changes to the module After completing your username password changes click on the appropriate button at the bottom of the page to select another web page If you made changes you may be prompted to re enter your new username and password before being permitted to move to other pages Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com hittp www acromag com 1 6 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters WEB BROWSER Network Configuration Note that Acromag Series 9xxEN Ethernet I O modules may take from 3 to 30 seconds to boot upon power up depending on your network configuration and whether a DHCP server is present This module can be placed into a default communication mode via the DFT push button at the front of the module To activate hold the DFT button for 5 seconds The Status LED will start a slow blinking to indicate default mode Default Mode uses a static IP address of 128 1 1 100 a default subnet mask of 255 255 255 0 a default username User and a default password password After setting your username and password you can click the Network Configuration Page button and a screen similar to that shown below will appear Use this screen to set the network configuration parameters for your module You may have to consult your network administrator to c
74. ick the Submit button to complete any changes made on this page Click the Wink On Off button to toggle the module in out of wink ID mode In this mode the module s green RUN LED will blink to confirm identification Refer to the Technical Reference section of this manual to learn more about IP Addressing terms and concepts fie ER Wem Favores Look Google G Torp OB Q cotmatsr Brrtoded Pore e asain sendtow J settrose Be ByOcorhgzaion Page R Bee Om 989EN 4016 I O PEER Page Port Setup Control Port 1 Auto Output Output Shutdown Refresh Retry Control OOFF O OV Thermal Short Input Output OON Shutdown Weng SEW Iput WD Time a face Output Open Load Opit Shor Fanit Output Current State Reset Seconds Current rina gt Thermal Short Reset OOF ga tae ODISABLE Ouanos Se ayn Cc Dl ma O ON 65535 OON SENAN Sams O OV Shutdown am Osia Reny Thermal Short DOV Thermal Short Retry Done rora Rios Note The 989EN is equipped with one I O Port of 16 channels and configuration is done on a port wide basis pull up wettisg current must be reduced to currents through these switches can produce an IR voltage that can Ses PUE Skaad araoa iA Sos ee ee If Input Tri State is ON this field vill have no effect as the vetting current generators are disabled in tri state node Input Tri State De SeI svaned end then BOD a8 8 RiGh SHURGLOGG CONBSIGECE SIDUS STR 8 4 0V choweROLS 9 7 4 97 m acting current g
75. ight inputs may function as 32 bit event counters up to 150 Hz with programmable debounce and non volatile count Non volatile reprogrammable memory in the module stores configuration information The BusWorks model prefix 900 denotes the Series 900 network I O family The EN suffix denotes EtherNet The four digit suffix of this model number represents the following options respectively 4 Modbus 0 Industrial Model C Commercial Model 16 16 Channels The 989EN models include 16 active low buffered inputs Inputs are connected in tandem with the open drains of output mosfets see below Eight inputs also function as 32 bit event counters up to 150 Hz with programmable debounce Inputs also include transient voltage suppression and are intended for DC voltage applications only An external excitation supply connection between EXC and RTN Return is required for I O operation Inputs include programmable wetting current pull ups for sensing switch closure see below and inputs may be optionally tri stated disables wetting current The wetting current generators also allow the tandem open drain output to operate without adding a pull up Integrated wetting current helps facilitate an I O self test without actual wiring IMPORTANT Inputs and outputs will not operate without port excitation External port excitation of 8 31V is required 40mA minimum Input Signal Voltage Range 0 to 31V max
76. igned Integer Mode The lower byte of this 16 bit register value defines whether the value of the count register will start at the stored value in non volatile memory or start at the pre load value Note Shaded registers are only available on the 989EN 4016 industrial model Bits 15 8 Not Used Bit_7 0 Last Count 1 Pre Load Bit_6 0 Last Count 1 Pre Load Bit _5 0 Last Count 1 Pre Load Def FFFFH it_ 4 0 Last Count 1 Pre Load All Counters it_3 0 Last Count 1 Pre Load Start at Pre Bit_2 0 Last Count 1 Pre Load Load Value it_1 0 Last Count 1 Pre Load it_0 0 Last Count 1 Pre Load Edge Data Format 16 bit Unsigned Integer Detection The lower byte of this 16 bit register defines the edge the counter triggers on Bits 15 8 Not Used Bit_7 0 Negative 1 Positive Bit_6 0 Negative 1 Positive Bit_5 0 Negative 1 Positive Bit_4 0 Negative 1 Positive Def 0000H Bit_3 0 Negative 1 Positive Negative Bit_2 0 Negative 1 Positive Edge Bit_1 0 Negative 1 Positive Bit_0 0 Negative 1 Positive Count Data Format 16 bit Unsigned Integer Direction The lower byte of this 16 bit register defines the direction of the counter After a pulse to the counter Up counting will increment the value and Down counting decrements the count Bits 15 8 Not Used Bit_7 0 Up 1 Down Bit _6 0 Up 1 Down Bit_5 0 Up 1 Down Bit_4 0 Up 1 Down
77. ility Page Copvright 2007 Acromag Inc All rights reserved internet 100 The Home Page provides buttons to access the other web pages of this module that are used to configure the network parameters change the user name and password and operate the module For each new browser session that accesses the Home Page of this module you will be presented with a window prompting you to enter the current User Name and Password as shown on the following page This information is required before the program will allow you to make any other selections The default user name and password is User and password respectively After entering these defaults you may wish to invoke the Password Configuration Page to change these parameters to something more meaningful for you Note If you cannot download the module web page it may be that the address of your network interface adapter is not set to a valid IP address within the module s default address domain Refer to Applications Note 8500 734 for information on how to accomplish this Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 1 5 Connect to 128 1 1 100 ail WEB BROWSER IMPORTANT If you forget your user name and password Home Page you can always toggle the The server 128 1 1 100 at 989EN 4016 requires a username module into defaul
78. imum Input operating range is first limited by the I O transient protection 31V then the input circuitry itself 38V then the tandem output mosfet drain source voltage 50V Input Signal Threshold Voltage signals below 4 0V DC 3 7 to 4 3V range are ON Voltages above 4V 3 7 to 4 3V range are OFF Input Event Counters Events are counted in 32 bit registers and optionally stored in non volatile memory Event counters are rated from 0 150 Hz Additionally the counters are equipped with programmable debounce 0 65535ms output alarms selectable count edge and up down counting Note Only available on 989EN 4016 model Input Counter Debounce Event counters can each be enabled to debounce an input for a specific period of time Debounce time can be set from 0 to 65535ms and applied to all counters with debounce enabled Input Counter Direction Each event counter can set the count direction to either up counting default or down counting from a pre load value Input Counter Edge Each counter can be set to detect the incoming pulse on the rising edge or falling edge default Input Counter Pre Load Value Each Input Counter has an associated Pre Load Value to start counting from After a roll over reset the counter will default back to this value Input Pulse Time Each Input Counter is equipped with a timer which will display the time in milliseconds between pulses Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email
79. isabled in tri state mode Input Tri State OFF Default ON Inputs may be tri stated and then act as a high impedance comparator input with a 4 0V threshold 3 7 4 3V range Wetting current generators are disabled with inputs tri stated or without excitation connected Note that tri stated inputs will also leave the tandem open drain output floating if no load is connected You may optionally utilize the open load detection pull downs to pull these inputs to the ON state IMPORTANT If inputs are tri stated excitation must be above 8V or the output drains will float unless loaded and or pulled up externally If the I O is not pulled up above the 4 0V input threshold the output OFF state may not register properly or indicate ON Input Reset Click this button to reset the inputs without invoking a power on output or system reset of the unit You do not normally need to use this control but it may be useful for trouble shooting and isolating I O problems between input amp output circuitry WEB BROWSER I O Configuration Page Help O Configuration The built in wetting current generators do not operate without excitation or with inputs tri stated Without a driver load or pull up connected to the I O the tri stated I O is essentially floating and may not register the OFF state correctly In this state you will have to use I O pull ups to pull the OFF state signal above 4 3V in order to be able to read back the
80. ital I O amp Counters 47 Ref Holding fegisters 4x References Read Write Addr Description CH 00 15 Timeout TO State Def 0000H CH 00 15 Timeout TO Action Def FFFFH Change Wetting Current Select Register DIO 15 Increasing wetting current helps to prevent oxide buildup on switched contacts Def FFFFH 16mA Input Tri State DI 0 15 This function disables the input wetting current Def 0000H Tri State Disabled Data Type Format Data Format 16 bit Unsigned Integer The bits of this 16 bit register value define the state that the output channels of Port 1 will be programmed to following a watchdog timeout Bit 0 corresponds to channel 0 Isb bit 1 to channel 1 bit 2 to channel 2 and so on Data Format 16 bit Unsigned Integer Tells what to do to the outputs of Port 1 CH 0 15 upon watchdog timeout 0000H Do Not Change Port 1 Outputs FFFFH Change Port 1 Outputs per Timeout State Register settings Data Format 16 bit Unsigned Integer Each input channel has two levels of wetting current 16mA and 2mA These bits are used to change the wetting currents for all input channels of the port on the fly Actual wetting current levels are reduced for excitation voltages below 8V Set this register to OOOOH to set all 16 channels of the port to 2mA continuous Set this register to FFFFH to temporarily set all 16 channels to 16mA for 20ms upon crossing the
81. ixed static IP address interface card in order to talk of 128 1 1 100 for troubleshooting purposes to an Acromag module Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 6 2 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters SPECIFICATIONS LED Indicators RUN Green Constant ON if power is on and unit is OK Continuous flashing ON OFF indicates unit is in wink ID mode Controls amp Indicators ST Orange Slowly blinks ON OFF in default mode blinks rapidly if a watchdog timeout has occurred and stays solid for counter alarm state LINK Green Indicates Ethernet link status ON if auto negotiation has successfully established a connection ACT Orange Indicates current activity on the Ethernet port ON if data is being transmitted or received Controls Default Address Switch This momentary push button switch is located on the front panel and is used to toggle the module into or out of Default Communication Mode In Default Mode the module assumes the fixed static IP address 128 1 1 100 a default subnet mask 255 255 255 0 a default username of User and a default password of password This switch can also be used to restore the module to its initial factory configuration by holding this switch in its default position while powering up the unit see Getting Out Of Trouble in the Troubleshooting sectio
82. lable on the 989EN 4016 model Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 4 D Ref Addr Description Input Registers 3x References Read Only CH 0 Input Count Low Value Least Significant Word Data Type Format Data Format 16 bit Unsigned Integer This registers reflects the lower word count value of Channel 0 CH 1 Input Count High Value MSW See explanation for CH 0 above but apply to CH 1 CH 1 Input Count Low Value LSW See explanation for CH 0 above but apply to CH 1 CH 2 Input Count High Value MSW See explanation for CH 0 above but apply to CH 2 CH 2 Input Count Low Value LSW See explanation for CH 0 above but apply to CH 2 CH 3 Input Count High Value MSW See explanation for CH 0 above but apply to CH 3 CH 3 Input Count Low Value LSW See explanation for CH 0 above but apply to CH 3 CH 4 Input Count High Value MSW See explanation for CH 0 above but apply to CH 4 CH 4 Input Count Low Value LSW See explanation for CH 0 above but apply to CH 4 CH 5 Input Count High Value MSW See explanation for CH 0 above but apply to CH 5 CH 5 Input Count Low Value LSW See explanation for CH 0 above but apply to CH 5 CH 6 Input Count High Value MSW See explanation for CH 0 above
83. limit is the working voltage limit of the built in transient voltage suppressors at each I O channel Solid State Relay SSR or LED Driver You should also consider whether open load detection feature should be enabled as this can pull 50uA of drive current through the load in the OFF state Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 1 2 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters CONNECTIONS Digital Outputs Relay Coil or Solenoid Driver Note Protection External Snubbing Diode at Coil Digital Counter Output Alarms Alarm outputs are the open drains of mosfet switches and are intended for DC current sinking applications only Alarm Output LED Driver Alarm Outputs have the same characteristics as all the other Digital Outputs Note Alarm Outputs must be enabled in order to operate CAUTION If Output Open Load Detection is enabled up to 50uUA of current will be pulled through the load with the output in the OFF state Do not enable open load detection if you are driving loads that cannot tolerate 50uA of leakage current in the OFF state or if you do not want inputs pulled to the ON state RELAY COIL SOLENOID DRIVER CHO EXC EXT ine g EXO 8V MN 2mA 16mA 2 ms Jv H TA ie es 9 CHxx 8 to 28V 4 4 Oo i PC a NOTE PROTECTION DIODE REQUIRED WITH INDUCTIVE LOADS
84. mask that correspond to the sub network address are all set to 1 s it would also work if the bits were set exactly as in the network address It s called a mask because it can be used to identify the unique subnet to which an IP address belongs to by performing a bitwise AND operation between the mask itself and the IP address with the result being the subnetwork address and the remaining bits the host or node address For our example if we wish to further divide this network into 14 subnets then the first 4 bits of the host address will be required to identify the sub network 0110 then we would use 11111111 11111111 11111111 11110000 as our subnet mask This would effectively subdivide our Class C network into 14 sub networks of up to 14 possible nodes each With respect to the default settings of this device Subnet Mask 255 255 255 0 11111111 11111111 11111111 00000000 IP Address 128 1 1 100 10000000 00000001 00000001 01 100100 Subnet Address 128 1 1 0 1000000 00000001 00000001 00000000 The subnetwork address of 128 1 1 0 has 254 possible unique node addresses we are using node 100 of 254 possible Nodes 0 10 and 255 are typically reserved for servers and may yield poor results if used DHCP refers to Dynamic Host Configuration Protocol and is a method used to assign temporary numeric IP addresses as required A DHCP server maintains a pool of shared IP addresses which are dynamically assigned and recycled W
85. mination value of 0 or 4 294 967 295 Count Termination Mode The outputs can be programmed to either reset the alarm after next count auto rollover default or hold the alarm state until a reset is issued latched Note Once the counter has rolled over it will return to the pre load value Group Timer Limit This control is used to set the maximum time for the pulse timer This value can be set from 0 to 65535ms For further explanation of the Pulse Timer please see the Counter Test Page section Timer Limit State This control sets the state value of the timer after the Timer Limit has been reached This value can be set from 0 to 65535 Start Counter Button This button will allow counting on the selected enabled counter Note When counters are first enabled counters are automatically started Stop Counter Button This button will stop the counting on the selected enabled counter To restart the counters click on the Start button Reset Counter Button This button resets the selected counter Counter Configuration Examples IMPORTANT Counters MUST be reset to reload the Pre Load Value Problem Configure channel 4 to be an up counter trigger on a rising edge with last count restore Solution Web Interface 1 Select the Channel 4 button at the top of the page 2 In the Counter Configuration Page locate the Counter Enable option and select Enabled 3 For the Count Direction option select Up
86. n OFF following a fault condition see Global Shutdown amp Retry Control register Note that each output includes a transient voltage suppressor that will clamp short duration transient voltages above 31V without failure However sustained drain to source voltages above 31V will eventually destroy the TVS if no method of limiting the peak current is employed The built in over voltage protection mechanism only shuts down the output driver circuit and does not affect the parallel transient voltage suppressor Reset 989EN A system reset button is included Reset 989EN which will reset the entire system sending all outputs to the specified power up reset state WEB BROWSER O Configuration The Open Load Detect feature is only useful with inputs tri stated as it adds a pull down that opposes the pull up of the input wetting current generators Note that with inputs tri stated it also pulls to the ON state Outputs that utilize fast shutdown as opposed to thermal shutdown are not subject to the automatic retry control That is faulted outputs that are shutdown fast do not retry their control until reset or optionally via the Auto Output Refresh cycle The over voltage shutdown may retry its control after the output drain to source voltage has returned to normal below its 50V internal limit and or the excitation voltage below 28V Note that this shutdown retry control only applies to the internal output driver
87. n for more information A E RY The minimum cable required for full operation of this device is Category 5 CCESSO The term Category refers to classifications of UTP Unshielded Twisted CABLES Pair cables There are 3 main categories of cable Category 3 Category 4 and Category 5 The differences in classification are found in their electrical performance and this is documented in the TIA EIA 568A standard Category 5 cable includes four twisted wire pairs at eight twists per foot This device is designed for use in harsh industrial environments Acromag recommends the use of shielded cable when wiring to this device Select STP Shielded Twisted Pair cable rather than UTP Unshielded Twisted Pair The use of shielded cable will help protect the data being transmitted from harmful EMI Electromagnetic Interference and RFI Radio Frequency Interference It will also help to lower your radiated emissions by keeping the cable from emitting EMI and RFI There are two types of cable solid cable and stranded cable Stranded cables are more flexible than solid cables But since attenuation is higher for stranded cables than solid conductor cables these are generally reserved for short runs and patch applications less than 6 meters Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 6 3 Currently there are t
88. n the front panel for five seconds until the ST LED blinks on off slowly To disable this feature hold the DFT button for another five seconds or until the ST LED stops blinking r DIGITAL I O DIGITAL I O vO DIGITAL I O EXC PWR TB4 TB3 APP ASS AIP PAS oe f he 7 7 dtdd eRelenel R46 45 44 gaan Ql 35 34 33 32 37 Feeefee Mee slelo g eSSSSS Hse 8 DIGITAL IN or OUT vo EXC PWR i IRMER 3 3V fe eal oa en ee E Tx 3 989EN x Px 316 ISOLATION e jo DIAGRAM E Iio y DIGITAL IN or OUT DIGITAL IN or OUT issesce fere n a aE HE SEE e E ASSESS m fri i213 14 15 6 Flat 22 23 24 25 26 AAARAA ARAARAA N T 7 T T Sisisisisis __ s s sisisis TBI TB2 MOUNTING AND DIMENSIONS Unit mounts to T type DIN rails 35mm type EN50022 Units may be mounted side by side on 1 inch centers WARNING IEC Safety Standards may require that this device be mounted within an approved metal enclosure or sub system particularly for applications with exposure to voltages greater than or equal to 75VDC or 50VAC CONTROLS amp INDICATORS Green Run LED is ON if power is on and will blink in wink ID mode Yellow ST LED blinks ON OFF slowly if module is in default communication mode and blinks rapidly if a watchdog
89. ncludes controls like this you may note that your first click on a control is ignored This is because the first click only activates the control Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com hittp www acromag com 2 8 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters WEB BROWSER Utility Page Floating I O i e inputs tri stated may cause the I O to improperly read the OFF state as the input threshold is 4V and inputs must be pulled above this value in order to register as OFF Excitation MUST be provided to properly execute I O Self Test Do not use the self test with the inputs tri stated and be sure to turn all outputs OFF prior to test The Walk 1 Test will shift the off state through all the channels while the other channels remain on The Walk 0 Test will shift an on state through all the channels while the other channels remain off I O Self Test Control IMPORTANT External excitation MUST be provided to properly run the I O Self Test CAUTION If you have I O wiring present then you should disconnect this wiring except excitation to avoid potential signal contention during the I O test as this test controls the outputs to drive the input channels using excitation You must turn all outputs OFF and disable any tri stated input ports prior to test The I O self test feature of this page takes advantage of t
90. nd covers this process in greater detail HOST PC CONNECTED DIRECTLY TO A MODULE CAT 5 UTP CABLE C C HOST PC A UP TO 100 METERS p 2 Use Regular or Crossover Cable Refer to the Accessory Cables section at the back of this manual for more information on accessory cables including patch and crossover cables available from Acromag and other vendors TIP You can significantly enhance the EMI RFI performance of your network connections by using Category 5E STP cable Shielded Twisted Pair with shielded RJ45 plug connectors This will also help to protect your installation from damage due to ESD Electro Static Discharge The use of shielded cable is strongly recommended for installations in harsh industrial environments and or in the presence of strong electrical fields CONNECTIONS Network A crossover cable simply connects the differential transmit pair on each end to the receive pair on the opposite end Use a standard direct cable when connecting to a hub or switch port which are generally wired MDI X H Acromag So ST 9 2 Nk Acromag 989EN 4016 PEF Ethernet Module The ethernet port of this module is wired MDI X but supports automatic crossover ETHERNET a Acromag Inc Tel 248 295
91. ng register space for systems and controllers that cannot directly access registers Oxxxx 1XXXX amp 3XXxx All Modbus registers can be written to or read from using either the standard methods described in the Modbus specification or through mapping mirroring to the Holding Registers The registers are mapped as follows and specifics follow the mapping Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 4 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters MODBUS REGISTERS Register Mirroring Data Types Oxxxx Coil Registers are mapped to 42xxx Holding Registers 1xxxx Input Status Registers are mapped to 41xxx Holding Registers 3xxxx Input Registers are mapped to 43xxx Holding Registers For 3xxxx Input Registers the format of the registers is identical and you only need to offset your address by 43000 For example if you want to read Input Register 1 through the Holding Registers you would use the Read Holding Registers function with an address of 43001 For the 1xxxx Input Status Registers the return data is reformatted to match the Holding Register format For example if you request the Input Status for 16 digital inputs instead of getting 2 bytes returned with the 16 bits representing the 16 digital inputs you will get 16 separate words each set to either 0000H OFF or FFFFH ON For the Oxxxx Coil Registers reads are handled in t
92. nputs see TIP below Frequency Input Connection 989EN 4016 Only Input Event Counters are rated from 0 to 150 Hz with signal voltages from 0 to 28 VDC 4V Threshold Your excitation voltage determines your input voltage signal range maximum These 32 bit counters are additionally equipped with a programmable debounce up down counting selectable edge and count auto restore after a power reset Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 1 0 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters CONNECTIONS Digital Inputs Dry Contact Frequency Input Connection 989EN 4016 Only To accommodate dry contact relays counters are equipped with programmable debounce The debounce time can be set from 0 to 65535 ms The debounce time represents the amount of time an input must remain stable to increment the count 2 Wire Namutr Proximity Sensor Connection 989EN 4016 Only To accommodate Namur Proximity sensors the 989EN can source current to drive the sensor If the device requires more than 2mA to operate an external pull up can be added between Excitation and the Counter Channel to ensure proper current FREQUENCY INPUT CONNECTION DRY CONTACT EXC EXT N Ex EXC CABLE sa 2mA 16mA 2 ms 9 f CNTX y aS ee 828V fageg 2 T TIN YQ R m TT Ne ERO YV a OPEN DRAIN OUTPUTS SHARE
93. nt of the domain name space and make this information available to clients called resolvers For example the DNS allows us to use Acromag com as an IP address rather than a complicated number string Modbus registers are organized into reference types identified by the leading number of the reference address Read Write Discrete Outputs or Coils A Ox reference address is used to drive output data to a digital output channel Read Discrete Inputs The ON OFF status of a 1x reference address is controlled by the corresponding digital input channel Read Input Registers A 3x reference register contains a 16 bit number received from an external source e g an analog signal Read Write Output or Holding Registers A 4x register is used to store 16 bits of numerical data binary or decimal or to send the data from the CPU to an output channel Note The ON OFF state of discrete inputs and outputs is represented by a 1 or 0 value assigned to an individual bit in a 16 bit data word port This is sixteen Ox or 1x references per data word With respect to mapping the Isb of the word maps to the lowest numbered channel of a port and channel numbers increase sequentially as you move towards the msb All I O values are accessed via the 16 bit Input Registers or 16 bit Holding Registers given in the Register Map Input registers contain information that is read only For example the current input value read from a channel
94. om BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 5 3 Ref Addr Description Data Type Format Register Map Holding Registers 4x References Read Write 40036 40037 Timer Limit Value Def FFFFH Timer Limit State Def 0000H Reserved Reserved Wink Unit Toggle Register Used to help identify network units Digital Inputs 0 15 Digital Outputs 0 15 Data Format 16 bit Unsigned Integer Model 989EN 4x16 Set a timer limit time from 1 to 65535 milliseconds in 1 millisecond intervals This time represents the time to wait for a valid count edge When the value is reached Timer Value is set to value in timer limit state Note Shaded registers are only available on the 989EN 4016 industrial model Note Timer Limit Value is applied to ALL channels with counters enabled Data Format 16 bit Unsigned Integer The bits of this 16 bit register value define the state that the timer value of each counter will be programmed to once the timer limit is reached Bit 0 corresponds to channel 0 Isb bit 1 to channel 1 and so on Note Timer Limit Value is applied to ALL channels with counters enabled Reserved Do Not Use Reserved Do Not Use Data Format 16 bit Unsigned Integer Write 21845 5555H to this register to cause the unit to wink its green Run LED in order to ID the unit Write the same value a second time to stop winking
95. omplete the contents of this page An IP Address is a unique identification number for any host this module on any TCP IP network including the internet The IP address is made up of four octets 8 bits each octet having a value between 0 255 OOH FFH It is expressed here in decimal form with a period placed between octets A Static IP Address is as the name implies siatic and represents a unique fixed IP Address that is generally assigned by your service provider or system administrator The Default Mode static IP address assigned to this module is 128 1 1 100 refer to product side label a 2 6 http 128 1 1 100 protect configur stm 49 x Pjr File Edt Yiew Favorites Tools Help Google Gl vaoo D Er WB Bookmarksy Bhi blocked Yr Check 4 Autolink ep Send tov Q Settings Ve Se network configuration Page gt Gl mh peace G Tos 989EN 4016 Network Configuration Page Static IP Address 128 1 1 100 Number of Modbus Sockets 5 Subnet Mask 255 255 255 0 Modbus Port Number 502 Gateway 128 1 1 1 Active IP Address 128 1 1 100 MAC Address 52 4F42 45 52 54 Use Static IP Addressing OUse DHCP OUse DHCP W Fallbacks Wink On Off Test Page my VO Config Page Password Configuration Page Utility Page Counter Configuration Page Counter Test Page Home Page internet R100 NOTE In order to network your PC with an Acromag module you may have
96. on exceeds its internal limit the output will temporarily shut down This bit determines how the outputs act after they cool 0 Outputs turn OFF at thermal limit amp remain OFF even after cooling 1 Outputs turn OFF at thermal limit amp retry their prior state after cooling Bit 0 Excitation amp output over voltage action When the port excitation voltage exceeds 28V minimum port outputs temporarily shut down This bit determines how they act after the excitation or output over voltage fault is removed 0 Force port outputs OFF after drain or Ex voltage returns to normal 1 Send port outputs to their previous state after drain Ex returns to normal Data Format 16 bit Unsigned Integer The bits of this 16 bit register value define the state that the output channels of Port 1 upon power up Bit 0 corresponds to channel 0 Isb bit 1 to channel 1 and so on Data Format 16 bit Unsigned Integer Bits 7 0 can be set to enable counters on channels 7 0 Note After a counter is enabled the output for that channel is automatically disabled Bits 15 8 Not Used Bit_7 0 Disabled 1 Enabled Bit 6 0 Disabled 1 Enabled it 5 0 Disabled 1 Enabled 0 Disabled 1 Enabled 0 Disabled 1 Enabled Bit 2 0 Disabled 1 Enabled 0 Disabled 1 Enabled 0 Disabled 1 Enabled Register Map Model 989EN 4x16 This device includes an automatic output refresh cycle that occurs every 5 seconds
97. onfiguration you can use the Test Page to operate your module The Test Page will allow you to read inputs turn outputs on and off and even set a polling rate BE Gc re Ge AE File Edit View Favorites Tools Help Google G Goo O EP VW Bookmarksy Bai blocked YP check 4 Autolink gt Q Settings we k Test Page B dh Page iG Tools k a 989EN 4016 Test Page Port 1 Channel Wee alsale ejej 1 12 ai 15 am ajalalajajalalajajalalajajajala internet R 100 I The state of an I O channel is indicated by a simulated LED bright red for ON below the channel number Simply click the white control button below the LED to toggle the corresponding channel ON or OFF as required You can speed up or slow down the polling rate of the I O by clicking and dragging the polling rate slide control at the bottom of the Test Page screen rate varies from 500ms to 10000ms rightmost setting disables polling TIP If you ever notice that an output has shut down its operation unexpectedly you should review the information given on the I O configuration page and note that an output can shut down for conditions induced by over current over heating driving a short circuit and output over voltage Outputs can also shutdown temporarily for excitation over voltages greater than 28V However outputs can also be directed to automatically retry their control once a fault condition has
98. onnector and use itas a lever to force the connector down until the unit disengages from the rail do not twist the screwdriver to avoid D damaging plastic ging plastic AN RJ45 MDI AND VDI X CONNECTIONS Receive Receive Transmit Not Used Not Used Transmit Not Used Not Used Note Crossover Connections MNINMUMRECOMVENDED CABLE CO N or BR OO PhP Modbus TCP IP Digital I O amp Counters MODULE REMOVAL DIN AI pe a USE YOUR FINGER TO APPLY FROM L DOWNWARD PRESSUREHERE LS asru TMODULE TO REVOVEIT FROMRAIL ACRA AAAA N Any Series 9XXEN Ethernet Module ol Rm 3 4 15 16 Ran am sw X Remove Terminal Blocks On This Side To Provide Clearance PRY WITH SCREWDRIVER INSERTED IN SLOTHERE DONOT TWIST TO AVOID DAMAGING PLASTIC TAB PUSH SCREWDRIVER ASSHOWN TO TILT AND LIFT MODULE OFF RAIL ETHERNET PORT RJ 45 CONNECTOR 10Base T 100M CAT 3 CAT 4 or CAT 5 UTP STP 100Base T 100M CAT 5 UTP STP The Ethernet port of this unit is wired MDI X by default but includes automatic crossover the Ethernet port of your PC is typically wired MDI Thus you can use either a straight through or crossover cable to connect this device directly to a PC Ethernet switch or another unit Acromag Inc Tel 248 295 0880 Fax 2
99. ontact closure and will attempt to seek a return path These currents also act like pull ups for the tandem open drain outputs which enables the I O to be tested without actually wiring to the I O terminals If this control is set to 2mA the wetting current will be 2mA continuously If this control is set to 16mA default then the wetting current is initially set to 16mA as the input crosses the threshold and folds back to 2mA continuous 20ms after crossing the ON threshold The purpose of the higher initial current is to help prevent oxide build up on external switch contacts Metallic switch contacts can develop higher contact resistance over time due to corrosion induced by humidity salt and other elements that exist in harsh environments Use of the 16mA setting provides higher initial wetting current during contact transfer to reduce or eliminate potential oxide build up However elastomeric switch contacts are made of carbon material and have a high contact resistance with common resistance up to 1KQ With these types of contacts the pull up wetting current must be reduced to prevent excessive power dissipation in the contact High currents through these switches can produce an IR voltage that can cause the input signal to rise back above the 4 0V threshold Thus you should select 2mA for those applications where 16mA cannot be tolerated If Input Tri State is ON this field will have no effect as the wetting current generators are d
100. operate as network slaves information servers and do not initiate transactions on their own A host is used to refer to any device on any network On TCP IP networks each host has one or more unique IP addresses A 989EN unit connected to an Ethernet network acts as a host An IP Address is a unique identification number for any host this unit on any TCP IP network including the internet The IP address is made up of four octets 8 bits each octet having a value between 0 255 OOH FFH The IP address is comprised of two parts the network address first part and the host address last part The number of octets of the four total that belong to the network address depend on the Class definition see below A Static IP Address is as the name implies static That is it is a unique IP Address that is assigned by a service provider and never changes A Dynamic IP Address is an address that is temporarily assigned to a user by a service provider each time a user connects A Subnet is a contiguous string of IP addresses The first IP address in a subnet is used to identify the subnet while the last IP address in a subnet is always used as a broadcast address Anything sent to the last IP address of a subnet is sent to every host on the subnet Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 3 Q Subnet
101. or the states of a group of digital inputs Holding registers contain read write information that may be configuration data or output data For example the high limit value of an alarm function operating at an input or an output value for an output channel Each 989EN unit has a default factory configuration as noted in the Specifications section Your application will likely differ from the default configuration provided and the unit will need to be reconfigured You may reconfigure most features of this unit by issuing the appropriate Modbus functions to Register Map registers as required by your application You may also use a standard web browser to access the built in web pages of the unit to perform basic I O amp reconfiguration Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 4 1 Below is a subset of standard Modbus functions that are supported by this MODBUS unit along with the reference register address group that the function operates on Use these functions to access these registers as outlined in REGISTERS the Register Map for sending and retrieving data Register Functions The following standard Modbus functions operate on register map registers to monitor configure and control unit I O Oxxxx If an unsupported function code is sent to a unit exception code 01 Illegal Function will be r
102. osed to a thermal shutdown which allows the output to heat up Normally if an output drives a shorted load built in thermal protection will kick in to protect the output This effectively allows output port protection to be tailored to incandescent lamp loads thermal or inductive loads faster However the fast shutdown may not trigger the thermal fault flag as it acts too fast to capture But fast action does limit repeated thermal stresses which helps preserve the life of the output driver Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 1 4 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters WEB BROWSER Home Page This module supports Modbus over TCP IP You may use your own software to issue Modbus commands to this module see Modbus Registers or you may use a standard web browser as these modules have built in web pages that allow you to setup and control the module Simply execute your web browser type the IP address assigned to your module in the Address window http 128 1 1 100 for our example click Go and you will be presented with a Home Page window similar to that shown below IBE EES G9 ermmm JE P File gdt View Favorites Tools Help Google Gl yocp O WF Bookmarks E1 blocked P Check 4 Autolink Send tow We Fe HomePage tt D gt Gl BR peace Gi tools O Settings a 989EN 4016 Home Page Ut
103. own with a debounce time of 100ms starting at a value of 256 Solution Web Interface ate In the Counter Configuration Page for the first counter locate the Counter Enable and select Enabled 2 For the Count Direction option select Down 3 For the Counter Debounce option select Enabled 4 Type in 100 in the Debounce Value Edit Box 5 Type in 256 in the Pre Load Value Edit Box 6 Click on the Submit button at the bottom 7 Repeat Steps 1 6 for the remaining channels Modbus 1 To enable counters 0 3 write OOOFH to register 40010 2 To configure the counters for Down counting write OOOFH to register 40013 3 To enable Debounce write OOOFH to register 40032 4 To configure the counters Debounce Value write 0064H to register 40033 5 To set a Pre Load Value write 0100H to Register 40017 40019 40021 and 40023 After configuring your counters you can use the counter test page to operate them This page allows you to monitor counter values view alarm status and reset counters Test Page Windows Internet Explorer DER 6 E http 3 128 1 1 183 protect counters stm i 4 x BEE Fle Edit View Favorites Tools Help Google G vaoo OD Ber Fy Bookmarkse E 1 blocked YF check 4 Autolink a Send tow D Settings We B Srtest page fh gt Bl dhe ih eag tools 989EN 4016 Counter Test Page aa leo eS Pee t t t
104. p protect the output switch from damage due to the high reverse bias voltages normally generated when switching inductive loads You should add external protection near the inductive load to prevent these transients from being sent along the connection wires Place a diode 1N4006 or equivalent across an inductive load with the cathode to and the anode to LOAD GROUNDING If your load is connected at some distance from the unit or your load currents are high earth grounding the return lead should be done local to the I O terminals to allow the built in transient protection to effectively shunt to earth via a low impedance path not affected by IR losses Refer to the examples below for other types of output connections SOLID STATE RELAY SSR OR LED DRIVER CONNECTIONS TO _ choo LOAD LINE EXC oe IE 3 YQ gt CH15 SSR R 16mA 20 yV N O LED o 2mA m ms CH 8 28V sl Q y gt 4 wE TO RTN LOAD LINE R OPEN DRAIN OUTPUTS SHARE RETURN 9 EXCITATION IS REQUIRED EXTERNAL EXCITATION IS 8V MIN TO 31V MAX OUTPUT Fe CONNECTIONS Digital Outputs Outputs are the open drains of mosfet switches and are intended for DC current sinking applications only Note Outputs will turn OFF open following a software reset or power interruption to the unit Do NOT connect outputs to voltages greater than 31V or damage to the I O port may result The 31V
105. put includes transient protection and filtering Note that the input wetting currents are sourced from the excitation supply and your input signal maximum is determined by your excitation voltage level Input Scan Time Input updates are obtained every 1ms typical All 989EN models include 16 open drain mosfet switches with a common source Outputs are connected in tandem with buffered inputs see above Outputs include transient voltage suppression and are intended for low side DC voltage switching applications only Outputs also include integrated over voltage over temperature and over current protection see below An external excitation supply connected between port Excitation EXC and Return RTN terminal is required for output operation The open drain outputs can operate without external pull ups as the tandem input circuit includes wetting current generators integrated pull ups You can add pull ups to increase output current drive capability beyond 2mA channel Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com D 8 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters SPECIFICATIONS Digital Inputs Digital Outputs IMPORTANT Inputs and Outputs will not operate without excitation To control higher voltages and or currents or for controlling AC an interposing relay may be used Input Timer Accuracy Frequency 2 1 Hz Frequen
106. r2 OCounter3 OCounter4 O Counter 5 O Counter6 O Counter 7 Click on counter mmber you wish to configure Current configuration values will be loaded automatically and any desired changes can then be made Click on the Submit button when finished with each channel Counter Disabled O Enabled Count Direction Up ODown Edge Detection Negative O Positive Start Up Mode OLast Count Start at Pre Load Termination Mode Rollover O Stop and Hold Alarm Mode Disabled O Enabled Counter Debounce Disabled Enabled Debounce Value 5 1mS Ticks Pre Load Value 0 Group Timer Limit 65535 ImS Ticks Timer Limit State 0 NOTE The Debounce Value Group Timer Limit and Timer Limit State are applied to all counter channels submit a 2 x Input Counter Default OFF Certain inputs may be used as event counters for signals up to 150 Hz channels 0 7 Excitation must be connected and be 8V or above to function properly Once a counter is enabled the output function is disabled until the counter is disabled Count Direction Default Up Input signal pulses can be either counted up Default or counted down from a pre loaded value Count Edge Direction Default Negative Input signal pulses can be detected on either a rising edge or falling edge Default Start Up Count Mode Default Pre Load Input event counts can be configured to be stored in non volatile memory allowing the event count on a given input
107. ric strength test for one minute without breakdown Complies with test requirements of ANSI ISA 82 01 1988 for voltage rating specified Installation Category Designed to operate in an installation in a Pollution Degree 2 environment with an installation category over voltage category II rating Electromagnetic Interference Immunity EMI Inputs outputs have demonstrated resistance to inadvertent state changes with interference from switching solenoids commutator motors and drill motors Electromagnetic Compatibility EMC Immunity Per European Norm BS EN 61000 6 2 2005 Electrostatic Discharge ESD Immunity 4KV direct contact and 8KV air discharge to the enclosure port per IEC61000 4 2 Radiated Field Immunity RFI 10V M 80 to 1000MHz AM 1 4 to 2GHz 3V M and 2 to 2 7GHz 1V M per IEC61000 4 3 Electrical Fast Transient Immunity EFT 2KV to power and 1KV to signal I O per IEC61000 4 4 Conducted RF Immunity CRFl 10Vrms 150KHz to 80MHz per IEC61000 4 6 Surge Immunity 0 5KV per IEC61000 4 5 Emissions Per European Norm BS EN 61000 6 4 2007 Radiated Frequency Emissions 30 to 1000MHz per CISPR16 Class A WARNING This is a Class A product In a domestic environment this product may cause radio interference in which the user may be required to take adequate measures Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP I
108. roduction to Modbus This product is compatible with Internet Explorer 7 and Mozilla Firefox v2 0 Windows is a registered trademark of Microsoft Corporation IMPORTANT SAFETY CONSIDERATIONS You must consider the possible negative effects of power component wiring sensor or software failure in the design of any type of monitoring or control system This is very important where property loss or human life is involved It is important that you perform satisfactory overall system design and it is agreed between you and Acromag that this is your responsibility GETTING STARTED MOUNTING AND DIMENSIONG 0 eeceeeeeeeeeeeeee 3 CONTROLS amp INDICATORS ccceeeeeeeeeeeeeeeeeeeeeeee 3 ISOLATION BARRIERG esceeeeeeeeeeeeeeeeeeeeeeeeeeeeees 3 CONNECTIONS isan n aeae eneas cede hi sects eiii 4 DIN Rail Mounting And Removal 4 NetWork aa eana aaa aaae aa EAEan na u Aa aai 4 POWEL A iaaa aa aa aA aea aaraa 6 Excitati n eisai raakana naana daanan 7 Earth Ground ccccceeeeeeeeeeeeeeeeeeeeeneesenenseeneneens 7 Digital Inputs lt aeaaea eee e eee eee eee eee eee eens 7 Digital Outputs iaia a cence acer ences 11 WEB BROWSER cceecceeeeeeeeeeeeeeeeeeeeeeeseeeeseeenenees 14 HOMe Page ciscire sens teeta atin a a a a a EE 14 Password Configuration Pag ss cseesse 15 Network Configuration Page cccsceeeeeeeeeees 16 VO Configuration Page ccceeeeeee
109. rved for Modbus Transient Protection Transient Voltage Suppressors are applied differentially at both the transmit and receive channels The metal shield is capacitively coupled to earth ground terminal via an isolation TVS and capacitor Data Rate Auto sensed 10Mbps or 100Mbps Duplex Auto negotiated Full or Half Duplex Compliance IEEE 802 3 802 3u 802 3x Modbus TCP IP Protocol Support Up to 5 sockets may be selected Web pages for configuration and control are built in and may be accessed over Ethernet via a standard web browser Most module functionality is configured via memory map registers or web pages but some functionality may only be configured via web pages Communication Distance The distance between two devices on an Ethernet network is generally limited to 100 meters using recommended copper cable Distances may be extended using hubs switches or fiber optic transmission However the total round trip delay time must not exceed 512 bit times for collision detection to work properly Address The module IP address can be preset by the user static and Refer to Acromag Application loaded from internal non volatile memory or it can be automatically Note 8500 734 for instructions acquired at startup via a network server using a DHCP Dynamic Host on how to change the IP Configuration Protocol The unit also includes a default mode toggle address of your PC network switch to cause the module to assume a known f
110. s C For example a JTC type has a range of 210 to 760C which read 2100 to 7600 counts within the data register respectively Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 43 The following table outlines the register map for the 989EN I O processor The Modbus functions operate on these registers using the data types noted above except for the Reset Slave and Report Slave ID functions Register Map Model 989EN 4x16 Not all programmable features of this device will include a corresponding Modbus configuration register Some functionality must be programmed via the built in web browser interface For example parameters related to network communications do not have a Modbus register and are programmed solely through the built in web interface Description Coil Re Data Type Format isters 0x References Read Write 16 Discrete Outputs CH00 15 00001 Thru 00016 0 15 0000 000F Default 0 Note This signal corresponds to the digital gate signal of the n channel output mosfet Thus a read of this register may not reflect the actual output level at the drain of the mosfet for certain conditions You can read the Contact Registers to obtain the actual output state s via closed loop feedback V O will not operate without excitation Ref Addr Description
111. s are further broken down into three size classes based on the 4 octets that make up the IP address A Class A subnet is any subnet that shares the first octet of the IP address The remaining 3 octets of a Class A subnet will define up to 16 777 214 possible IP addresses 2 2 A Class B subnet shares the first two octets of an IP address providing 2 2 or 65534 possible IP addresses Class C subnets share the first 3 octets of an IP address giving 254 possible IP addresses Recall that the first and last IP addresses are generally used as a network number and broadcast address respectively and this is why we subtract 2 from the total possible unique addresses that are defined via the remaining octet s For our example the default IP address of this unit is 128 1 1 100 If we assume that this is a Class C network address based on the default Class C subnet mask of 255 255 255 0 then the first three numbers represent this Class C network at address 128 1 1 0 the last number identifies a unique host node on this network node 100 at address 128 1 1 100 A Subnet Mask is used to determine which subnet an IP address belongs to The use of a subnet mask allows the network administrator to further divide the host part of this address into two or more subnets The subnet mask flags the network address portion of the IP address plus the bits of the host part that are used for identifying the sub network By convention the bits of the
112. sabled and the input acts like a simple comparator with a 4 0V threshold Unused inputs in the high impedance state should not be allowed to float as they may indicate the wrong I O state External pull up resistors may be needed for some applications You can also enable open load detection to pull down unused tri stated inputs Note For input only Input Thermal Limiting With multiple switch inputs closed high ambient operation the and many wetting currents set to 16mA there is a small potential for corresponding tandem excessive input port power dissipation When dissipation is such that output channel must be the input port die temperature rises above the thermal limit 155 C to turned OFF to avoid 185 C a built in temperature monitor will generate an interrupt force contention with an any 16mA current sources to 2mA continuous set the thermal flag bit in externally driven input the input state register and still maintain operation The input thermal signal bit will be cleared when the die temperature has cooled 10 C below the thermal limit with 5 15 C of hysteresis range The device will then return to its previous programmed settings Input Excitation Inputs will not operate without excitation Excitation is normally connected between the port Exc and Return terminals and must be a DC voltage from 8 to 28V DC 31V Maximum The tandem outputs may temporarily shut down for excitation voltages above 28V The excitation in
113. sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters D 74 Input Timer Limit The timer limit sets the maximum allowable value SPECIFICATIONS between pulses 0 65535ms Once the limit is reached the timer value is set to a programmable value 0 65535 Ai Input Wetting Current 2mA 16mA or OFF Input wetting current Digital Inputs sources are used to sense contact closure and act like I O pull ups to excitation Wetting current is set to 16mA by default This current is drawn from the external excitation supply This current can be set to provide a higher initial current level during contact transfer to help keep the external switch contacts from building up oxides that can form on the contact surface and eventually impede connection The input wetting current can be set to 2mA continuous or 16mA 20ms default switches from 2mA to 16mA for 20ms as the input crosses the 4V threshold then returns to 2mA This current can also be disabled by tri stating the inputs A built in 20ms timer controls the amount of time the current stays at 16mA before switching back to 2mA in order to limit power dissipation In addition the use of excitation below 8V will cause the wetting current levels to be reduced Input Tri State Disables Wetting Current Inputs may be set to a high impedance state via the Input Tri State register In this state the wetting current sources are di
114. scent lamp loads This is also useful in helping prevent a shorted load from blowing an external series fuse Fast fault protection is not reflected in the IO Error Status bits Def FFFFH Enable Fast Data Format 16 bit Unsigned Integer For open load detection with inputs tri stated this register allows you to enable disable a 50uA open load detection pull down current at the port outputs This only works if inputs are tri stated wetting current pull ups are disabled 0000H Disable open load pull down currents for the port default FFFFH Enable open load pull down currents for open load detection Note that open load detection pulls unused inputs to the ON state Do not enable if driving loads that may be sensitive to 50uA in OFF state Data Format 16 bit Unsigned Integer Outputs already have built in current limiting and thermal shutdown protection with programmable retry This is not the same thermal limiting that applies to inputs This register is used to optionally select a fast shutdown of the outputs when over current conditions are detected but thermal limits have not been reached such as with a shorted load Thus it would be useful for tailoring outputs to inductive loads or incandescent lamp loads 0000H Thermal Only Slower Output will rely on over temperature shutdown only this is slower than Vds based trigger Outputs that shutdown thermally are reported in the
115. ses a static IP address utilize network resources without interfering with one another The port of 128 1 1 100 a default number could range from 0 99999 but most popular applications will use subnet mask of port numbers at the low end of this range already set aside for specific 255 255 255 0 a default applications such as 502 for Modbus or 80 for HTTP For example ports username of User and a make it possible for you to check your email and browse the web at the default password of same time because web browsers use port 80 while retrieving your email password uses port 110 A Subnet Mask is used to subdivide the host portion of the IP address into two or more subnets The subnet mask will flag the bits of the IP address that belong to the network address and the remaining bits correspond to the host portion of the address The unique subnet to which an IP address refers to is recovered by performing a bitwise AND operation between the IP address and the mask itself with the result being the sub network address Gateway refers to the IP Address of the gateway if your local area network happens to be isolated by a gateway Typically it is assigned the first host address in the subnet If a gateway is not present then this field should contain an unused address within the host subnet address range The Active IP Address refers to the current IP Address being used by this host as opposed to any new assignmen
116. t S GMN OUTPUT Qe i l gt Active 7 Low i i i i l MICROCONTROLLER SIMPLIFIED I O CIRCUIT Q SINGLE CHANNEL RTN oe 3 TYPICAL 16 CHANNELS TOTAL chis SIMPLIFIED SCHEMATIC 1 CHANNEL PGM 7 PORT P er gt ISOLATED INPUT POWER P i 18 36VDC SCHAVA PpusH_ 33VRAIL aN DC 989EN SIMPLIFIED TIC 25MHz PUSH A p aW ISOLATED i Q W w THERE ARE SIXTEEN DIGITAL I O CHANNELS AND FOUR RTN SWITCH CONVERTER E TERMINALS ALL PORTS SHARE COMMON RETURN L R Vv THE ENCLOSURE IS COMMON TO EARTH GROUND ee ae a _ Acs EARTH GROUND IS ISOLATED ENCLOSURE IS COMMON TO EARTH GROUND Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 3 6 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters ABOUT MODBUS TCP IP SIMPLIFIED TCP IP STACK LAYER REFERENCE MODEL TX LAYER RX 5 Application 15 4 Transport T4 3 Internet Network 3 2 Data Link t2 1 Physical 1 A transmitted message is wrapped at each layer as it passes down the stack while the received message is unwrapped at each layer as it passes up the stack Modbus TCP IP actually refer to a set of complimentary protocols that operate on your data Modbus itself is the application protocol and it defines the rules for organizing and interpreting the data TCP is the transport protocol responsible for transmitting and re
117. t mode vie and password the default mode push button at the front of the module and Warning This server is requesting that your username and password be sent in an insecure manner basic authentication the passwo rd and username without 4 secure connection will revert to the original fearon a i defaults noted on the previous e page unit assumes IP Password address 128 1 1 100 thus C Remember my password allowing you to re invoke the Password Configuration Page and change the username and password as required ion Page Windows Internet Explorer 0 aa 6 ED F httpi 128 1 1 100 protect password stm 7 7 9 lt 7 Jej Password File Edt view Favorites Tools Help i i Google G vood O Ey i Bookmarks f 1 blocked YF check y Autolink YE AutoFill ab Send tow Q settings Config u rati on Page k k QS gt B rees Gros 989EN 4016 Password Configuration Page New Username and Password name password Verify Username and Password name password Network Configuration Page Test Page 1 O Config Page pay Utility Page Counter Test Page Counter Configuration Page Home Page Copyright 2007 Acromag Inc All rights reserved a Done Internet 100 Use up to 20 alphanumeric characters case sensitive to specify your username and 10 alphanumeric characters case sensitive to specify a password You will have to type in these entries tw
118. tS ccc ceeeeeeeeeeee eee ne eeeeeneeeeeeeeeeenees 56 Digital Outputs cceecceeeee scene ee eeeeeeeeneeeeeeneees 58 General Specifications 2 cseeeeeeeeeeeeeeeee 59 Enclosure and Physical cccseeeeeeeeeeeeeeeeeees 59 Agency Approval cccceceeeeeeeeeeeeeeeeneeeeeeeseeaes 60 Environmental cccecceseeeeeeeeeeeeeeeeeeeeeneeeeeeeenes 60 Ethernet Interface ccccceseeeeeeneeeeeeneeeeneeeenes 61 Controls amp Indicators cccceeeeeeeeeeeeeeeeeeeeeeeeee 61 ACCESSORY CABLEG c0ccecceeceeeeeceeeeeseeeeeeeneneees 62 Patch Cable amp Crossover Cable ceceeeeeeneeees 63 Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 3 TB4 eelle ooe ai f A i Haro IU RUN A S gt none oF Es588s
119. ters for Up counting write OOOOH to register 40013 3 To configure the counters for Negative edge counting write OOOOH to register 40012 4 To configure the counters for Last Count restore write OOOOH to register 40011 To enable counter Alarms write OOFFH to register 40015 To configure the counters for Rollover alarms write OOOOH to register 40014 7 Set the Pre Load Value by writing 0010H to registers 40016 40031 hp On Problem Configure all counter channels to count down on a falling edge with Pre Load Value start up a latching alarm and a start value of 1 000 Solution Web Interface 1 In the Counter Configuration Page for the first counter locate the Counter Enable option and select Enabled For the Count Direction option select Down For the Edge Detection option select Negative For the Start Up Mode select Start at Pre Load For the Alarm Mode select Enabled For the Termination Mode select Stop and Hold Type in 1000 in the Pre Load Value Edit Box Click on the Submit Changes box at the bottom Repeat Steps 1 8 for the remaining channels Modbus i 0 00 NOOT C0 IO To enable all the counters write OOFFH to register 40010 To configure the counters for Down counting write OOFFH to register 40013 3 To configure the counters for Negative edge counting write OOOOH to register 4001
120. that if needed they can then be re sent in the correct sequence Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 3 1 Note that with TCP the transmitter expects the receiver to acknowledge ABOUT MODBUS receipt of the data packets Failure to acknowledge receipt of the packet will cause the transmitter to send the packet again or the communication link to TCP IP be broken Because each packet is numbered the receiver can also determine if a data packet is missing data or it can reorder packets not received in the correct order If any data is detected as missing all subsequent received data will be buffered Complete data will be passed up the protocol stack to the application but only when it is complete and in the correct order TCP IP refers to Transmission Control Protocol and Internet Protocol and serves as the foundation for the world wide web TCP IP allows blocks of binary data to be reliably exchanged between computers The primary function of TCP is to ensure that all packets of data are received correctly while IP makes sure that messages are correctly addressed and routed We see that the TCP IP combination does not define what the data means or how the data is to be interpreted it is only concerned with transporting and delivering the data Again referring to the OSI Network Model the Network
121. ting currents by paralleling I O channels or by adding an external pull up resistor from I O to an external excitation source TIP Unused tri stated inputs can be pulled to the ON state if you also enable the tandem output open load detection this adds 50uUA pull downs in the output OFF state Note that wetting currents are slightly lower than 2mA 16mA for excitation voltages below 8V They will also vary slightly with the number of channels turned ON Use external excitation equal to or above 8V to properly regulate this current to 2mA 16mA FREQUENCY INPUT CONNECTION CHOO CHI5 SHIELDED CABLE 16mA 2 ms v F t f a requency v7 sav g y 4 mE a Generator S i OPEN DRAIN OUTPUTS SHARE RETURN Ri OUTPUT a hots ON EXCITATION IS REQUIRED EXTERNAL EXCITATION IS 8V MN TO31V MAX ne lorF EVENT COUNTER IS RATED FOR FREQUENCIES 0 150HZ z i lt 4 PIN CAN BE USED AS COUNTER OR DIGITAL I O LINE CONNECTIONS Digital Inputs Solid State Relay SSR Monitoring Tri stating the inputs will turn off the wetting current pull ups and the input will then act like a high impedance comparator with a 4V logic threshold lf tri stated inputs are left unconnected the I O channels float and will need to be tied OFF to properly register the OFF state you could optionally use output open load detection to pull down unused tri stated i
122. to help ensure that outputs recover their programmed state if EMI or ESD ever causes an inadvertent state change without resetting the system an output or system reset will always cause the outputs to turn OFF It is recommended to keep output refresh turned OFF to improve counter performance The automatic output refresh cycle is enabled by default GSRC bit 15 is set to 1 If you elect to leave outputs OFF after an output fault has occurred via the GSRC register controls bits 1 and or 0 then you should also turn off the internal automatic output refresh cycle via bit 15 of the GSRC register or outputs will not stay OFF Outputs that utilize fast shutdown as opposed to thermal shutdown see SFPC register are not subject to the automatic retry mechanism of the GSFC register That is outputs shutdown fast in response to a fault do not retry their control until reset or optionally via the output refresh cycle Note Shaded registers are only available on the 989EN 4016 industrial model Note After a counter is enabled the output for that channel is automatically disabled Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com DO BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters Regi ster Map Ref Addr Description Data Type Format Holding Registers 4x References Read Write Model 989EN 4x16 Start Up Count Data Format 16 bit Uns
123. to consult with your network administrator and either temporarily change your TCP IP configuration see TCP IP Properties of Network Configuration in Windows or create a separate private network using a second network adapter installed in your PC recommended The necessary steps will vary with your operating system Refer to Acromag Application Note 8500 734 or document 8500 815 to help accomplish this located on the CDROM shipped with your module or via download from our web site at www acromag com The Number of Modbus Sockets refers to the number 1 5 of Modbus TCP IP access points to allow for this host The default allows up to 5 sockets but you can restrict access by reducing this number Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters 1 7 The Modbus Port Number is set to port 502 by default which has been WEB BROWSER reserved for Modbus applications Port numbers represents an endpoint or channel for network communications In this way every IP address is divided into many ports and when one computer sends data to another computer it sends the data from a port of an IP address to a port on another Network Configuration IP address Any one port can only be used by one program at atime The The Default Communication use of port numbers allows different applications on the same computer to Mode u
124. transport layer protocols that may operate at this layer the primary one of interest to us is TOP TCP is a connection oriented transport layer protocol By connection oriented we mean that TCP establishes a secure connection between two network stations for the duration of the data transmission TCP works via the Client Server communication model That is whichever network station takes the initiative and establishes the connection is referred to as the TCP Client The station to which the connection is made is called the TCP Server The server does nothing on its own but just waits for the client to make contact with it The client then makes use of the service offered by the server depending on the service one server may accommodate several clients at one time TCP verifies the sent user data with a checksum and assigns a sequential number to each packet sent The receiver of a TCP packet will use the checksum to verify having received the data correctly Once the TCP server has correctly received the packet it uses a predetermined algorithm to calculate an acknowledgement number from the sequential number The acknowledgement number is returned to the client with the next packet it sends as an acknowledgement The server also assigns a sequential number to the packet it sends which is then subsequently acknowledged by the client with an acknowledgement number This process helps to ensure that any loss of TCP packets will be noticed and
125. ts being made via this page The MAC Address refers to the Media Access Control Address that uniquely identifies the hardware of this device This is a unique fixed address assigned to this module at the factory In IEEE 802 networks the Data Link Control DLC layer of the OSI Reference Model is divided into two sublayers the Logical Link Control LLC layer and the Media Access Control MAC layer The MAC layer interfaces directly with the network media each different type of network media requires a different MAC layer By default the module is setup to use Static IP Addressing and a Static IP Address of 128 1 1 100 You can optionally choose to have the IP address assigned dynamically via DHCP or DHCP w Fallbacks This will also require that you specify a valid Host Name Note that DHCP w Fallback will revert to the static IP address if your DHCP server cannot be found at the address specified DHCP Dynamic Host Configuration Protocol refers to a protocol for assigning dynamic IP addresses to devices on a network With dynamic addressing a device can have a different IP address every time it connects to the network In some systems it can even change while it is still connected DHCP also supports a combination of static and dynamic IP addresses For example DHCP with fallback will revert to a static IP address if the DHCP server cannot be found Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www
126. um Check your power supply voltage and make sure that it is at least 18V Communication To Unit is Lost Was communication interrupted by severe interference or shock Reset the unit via cycling power TROUBLE SHOOTING Diagnostics Table continued Upon power up after blinking momentarily the green Run LED should remain ON and the Status LED turns OFF This indicates the unit is properly powered and operating normally If RUN continues to blink then the unit may not be connected to the network or the cable is bad Otherwise a continuous blinking RUN LED can indicate unit is in wink ID mode or it may be indicative of a firmware initialization error Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 32 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters TROUBLE SHOOTING Diagnostics Table continued If your problem still exists after checking your wiring and reviewing this information or if other evidence points to another problem with the unit an effective and convenient fault diagnosis method is to exchange the unit witha known good unit Acromag s Application Engineers can provide further technical assistance if required Complete repair services are also available from Acromag Getting Out Of Trouble Trouble Browsing Your Unit Oe So your 989EN has apparently gone wild
127. using less than 8V of This is normal for excitation voltages external excitation below 8V Continuous Flashing Green RUN LED Unit in wink mode Read Unit Status register to verify wink status Write 5555H to Wink Mode Toggle Register to toggle wink mode off on Unit failed to boot firmware A continuously flashing green Run LED can signify the unit has failed to initialize and may require repair if you are sure you are using a good network connection and proper power voltage WEB BROWSER Utility Page 1 O Self Test Help Page By clicking on the link at the bottom of the Self Test Control a quick reference help page will appear This is useful to obtain descriptions of the error codes for the Self Test To go back to the Utility Page scroll to the bottom of the Help Page and there will be a link back Alternatively you can click on the back button on your internet browser TROUBLE SHOOTING Diagnostics Table Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com hittp www acromag com 3 0 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters TROUBLE SHOOTING Diagnostics Table continued SYMPTOM POSSIBLE CAUSE POSSIBLE FIX Continuous Flashing Green RUN LED Ethernet link was not established Unit will flash green RUN LED and maintain a solid STATUS LED at startup until an Ethernet link has been established
128. wisted pairs making its performance more suitable for applications that make use of all four wire pairs for simultaneous bidirectional data transmission full duplex This cable is defined in TIA EIA 568A 5 Addendum 5 Acromag offers the following cable accessories for use with this module Patch Cable amp Cable Model 5035 355 A yellow 3 foot long single shielded Category 5e Crossover Cable STP patch cable with drain wire and an RJ45 plug at both ends Use this cable to connect an Acromag 9xxEN I O module to the Acromag 900EN S005 switch Cable Model 5035 360 A green 5 foot long single shielded Category 5e STP crossover cable with a drain wire and an RJ45 plug at both ends This cable performs the Ethernet crossover function and is used to connect a PC directly to an Acromag Series 9xxEN I O module Note that you do not need to use a crossover cable to connect your PC to this module or if you re using the Acromag 900EN S005 switch as the 989EN is auto crossing You may obtain cable in other lengths and colors as required for your application from other vendors For example shielded CAT 5e cable is available from the following vendors e L com Connectivity Products www L com com e Pro Link www prolink cables com Acromag Inc Tel 248 295 0880 Fax 248 624 9234 Email sales acromag com http www acromag com 6 4 BusWorks Model 989EN User s Manual Modbus TCP IP Digital I O amp Counters Patch Cable amp
129. wo types of shielding employed in Category 5 STP cable single shielded cable and double shielded cable Both of these ACCESSORY cables have the same core and jacket as UTP cables but also include a thin CABLES foil outer shield that covers all four twisted wire pairs Some variations will also include a drain wire that encircles the outer foil The double shielded version adds an outer wire screen that wraps around the foil shield and also functions as a drain wire The drain wire or wire screen typically makes contact at each end of the cable with the metal shield around special RJ45 plug connectors The metal shield of these connectors then makes contact with the metal shield of shielded RJ45 sockets The socket shield may make direct contact with earth ground or it may be capacitively coupled to earth ground In the Acromag 9xxEN modules this shield contacts earth ground via a high voltage capacitor and transient voltage suppressor In addition to minimizing radio frequency and electromagnetic interference this arrangement also has the added benefit of enhanced protection from ESD Electro Static Discharge Further Acromag recommends the use of enhanced Category 5 cable CAT 5e This cable has all the characteristics of Category 5 but includes enhancements that help to minimize crosstalk It is rated for frequencies up to 200MHz double the rate of Category 5 Category 5e cable also has a greater number of turns per inch in its t

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