IntelliPack Series 841T
Contents
1. NMOHS oi LON NOISSauddns SSHOLIMS 8431 ANAISNVYL SLNdNI LNOH3 SIS3H31SAH z2 NFOJ dnd AHOINNSIN 8 WOtd33 WNOIS LNdNI 21907 LYOddNs ANY H3TIOHLNOOOHOIIN z2 18534 YALNNOO 528 1540 i m 5 NOLLWLIOXS Q iz oS o 1 vv woo 7 2 1 i NOILV1OSI 1 paral Ages cA LINN 0091 1178 TICON a 9 NOILVYENSISANOO Me AL6 AG EL YIWAN MIYOS 14 Frequency Input IntelliPack Series 841T Transmitter Alarm User s Manual 269 09 MOO 1d IVNOLLON 3 YALLINSNVaL 005 18 0090 1178 19000 0 02 Od 0 42018 1 Sinunog A0018 LNdLNO HOSN3S asing 1ndino Aouenbai4 Sed yndu jueoJeg LNdLNO 9O1VNV LAdNI SOTWNV sjuno9 96001 01 0 sjunod jueoJeg Bunoy gt suong usng jeuonjodoag 1eeur Jo uogoung J8JSUEJ o S49 Z WIL 8 edA LNd LNO2. lt Inani 98 NFO3 J18VN3 NMOG TInd 12 SH J18vN3 oxal zal 318vo 94 810 919 aaqiaius oun 40 05 uedo eJrM c YOSNAS ALINIXOYd 5 HOM LNAWAYNSVAW ANY SdOO 1 31V3N39 G1NOO HOIHM SNOILO3NNOO ONPIVIN ANY ISN OL Q3193NNOO ATLN3H3HNI SHOSN3S dl SLINSSY 1588 Q3ON3WIAOO33 SI NOLLO3NNOO SIHL 31ON Exe 919 2 ez 310N 385 suo e 310N 335 YYTOdINN dn Tind 10 318vo 281 cal 5 A TLL HOLIMS 3 15 Pa 310N 385 iut 5 pes 385 2 ALS 8 ing 1 A 318vN3 NE a 1 ae zal 5 5 A A LOVLNOO ANG ule1q 10 99 09 HOLIMS 3GIS H9IH TT lt 2 310N 385 2s m A TEES dnyold JojeJeuec Avian givna 2 tHe unbe 318vo
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7. while 841T 1500 transmitters include an alarm relay Module programming transmitter operation and the IntelliPack Configuration Software is covered in the IntelliPack Transmitter Configuration Manual 8500 570 DESCRIPTION Series 841T transmitters and combination transmitter alarms are members of the popular Acromag IntelliPack transmitter amp alarm family The 841T will condition periodic or pulse waveform signals and provide an isolated process current or voltage output plus an optional alarm relay Model 841T 1500 The unit will accept unipolar or bipolar frequency input signals from OHz to 50KHz or function as an event counter with a range from 0 to 65535 pulses The output is an isolated process current or voltage plus an optional Single Pole Double Throw SPDT electro mechanical alarm relay 841T 1500 only All IntelliPacks contain an advanced technology microcontroller with integrated downloadable flash memory and EEPROM for non volatile program configuration calibration and parameter data storage Units are fully reconfigurable via our user friendly Windows 95 or NT IntelliPack Configuration Program Field reconfigurability is also possible with module push buttons and status LED s Once configured these modules may operate independent of the host computer for true embedded monitoring and control Modules may be field connected for bipolar or unipolar periodic or pulse waveforms Programmable pullup or pulld
8. 20ppm C Typical 50ppm C Maximum Output Update Rate Frequency inputs 1 to 10 per second varies with input frequency Pulse counting inputs 10 per second Output Settling Time 10ms to 0 1 of full scale varies with load RELAY OUTPUT SPECIFICATIONS Model 841T 1500 units include a SPDT electromechanical alarm relay which provides a set of high reliability Form C Normally Open and Normally Closed SPDT contacts The relay operates as a limit alarm with control of deadband hysteresis latching non latching contacts failsafe non failsafe modes plus relay time delay 10 SPDT Alarm Relay Specifications 841T 1500 Units Only Electrical Life CSA Ratings 25VDC 5A 10 operations resistive 48VDC 0 8A 10 operations resistive 240VDC 0 1A 10 operations resistive 120VAC 5A 3x10 operations resistive 240VAC 5A 3x10 operations resistive Note To control a higher amperage device such as a pump an interposing relay may be used see Interposing Relay Connections Drawing 4501 646 Contact Material Silver cadmium oxide AgCdO Initial Dielectric Strength Between open contacts 1000VAC rms Expected Mechanical Life 20 million operations External contact protection is required for use with inductive loads see Contact Protection Drawing 4501 646 Relay Response For an input step change from 10 of span on one side of an alarm point to 5 of span on the other side of the alarm point the relay co
9. This circuit utilizes static sensitive components and should only be handled at a static safe workstation INSTALLATION The transmitter module is packaged in a general purpose plastic enclosure Use an auxiliary enclosure to protect the unit in unfavorable environments or vulnerable locations or to maintain conformance to applicable safety standards Stay within the specified operating temperature range As shipped from the factory the unit is factory calibrated for all valid input ranges and has the default configuration shown in Table 2 below WARNING Applicable IEC Safety Standards may require that this device be mounted within an approved metal enclosure or sub system particularly for applications with voltages greater than or equal to 75VDC or 50VAC Series 8417 Transmitter Alarm User s Manual Frequency Input Table 2 841T Default Factory Configuration with 25mV Hysteresis Shaded entries apply to Model 841T 1500 units which also include alarm functionality Your application may differ from the default configuration and will require that the transmitter be reconfigured to suit your needs This is accomplished with Acromag s user friendly Windows 95 NT Configuration Program and Serial Port Adapter Configuration is normally done prior to field installation since field configurability via the module s push buttons is generally limited to zero full scale setpoint and dropout adjustments freque
10. function see below Status Yellow Flashes if input frequency is unmeasurable below 12 or if input amplitude is insufficient for detection Frequencies less than 1Hz 50KHz range or 0 5Hz 100 amp 1000Hz ranges are interpreted as OHz Field Configuration Mode Frequency Inputs Only Run Green OFF in this mode Zero Full Scale Yellow ON or FLASHING if zero or full scale is being adjusted in this mode See Table 4 Relay Yellow ON or FLASHING if alarm setpoint or dropout is being adjusted in this mode See Table 4 Status Yellow Blinks each time SET is pressed to capture an I O signal in this mode HOST COMPUTER COMMUNICATION Host Computer Communication Configuration information is downloaded from the host computer through one of its EIA232 serial ports This port must be connected to the module through an Acromag IntelliPack Serial Port Adapter which serves as an isolated interface converter between EIA232 and the IntelliPack SPI port standard RJ11 6 wire phone jack Baud Rate EIA232 19 2K baud Series 8417 Transmitter Alarm User s Manual Frequency Input SOFTWARE CONFIGURATION Units are fully reprogrammable via our user friendly Windows 95 or NT IntelliPack Configuration Program Model 5030 881 A cable 5030 902 and converter 5030 913 are required to complete the interface Software Interface Package 800C SIP See Drawing 4501 643 The following transmitter a
11. 0 04Hz f lt 50Hz 0 04Hz f gt 50Hz 0 06Hz f gt 50Hz Oto 1000 0Hz 0 2Hz f lt 500Hz 0 4Hz f lt 500Hz 0 4Hz f gt 500Hz 0 6Hz f gt 500Hz 0 to 50000Hz 10Hz 15Hz 0 to 65535 1 pulse 1 pulse pulses Input Impedance 5 typical Input Response Time Input Filter Bandwidth 3dB at 35KHz typical See also Input Acquisition Time Relay Response Time and Output Update Rate for more information Input Acquisition Time Frequency inputs 100mS to 1 second varies with input frequency Pulse counting inputs Input polling every 5ms samples event at a 1 2ms rate Input Pullup Pulldown Software selectable 2 7 input pullup to 5V and a 1KQ input pulldown to return Input Debounce Pulse counting inputs only 0 disabled to 1 second configurable in 5ms increments You must select appropriately with respect to input signal bandwidth and characteristics Input Averaging Frequency inputs only Running average of 1 disabled by default 2 4 8 or 16 input samples software configured Input averaging gt 1 will increase the response time Noise Rejection Normal Mode Not Applicable Noise Rejection Common Mode 80dB 60Hz typical with 1000 input unbalance Input Excitation Supply 12VDC or 8 2VDC typical at 10mA load current limited to approximately 24mA Counter Reset Input TTL or open collector drain signal 5V logic may be wired directly to the inp
12. 75 C The power terminal is diode coupled for reverse polarity protection 2 Frequency or Pulse Counting Inputs Connect input s per Drawing 4501 683 Observe proper polarity see label for input type Excitation is provided at the input terminals For TTL or low side transistor switches use the on board pullup resistor For high side transistor switches open drain or collector use the on board pull down resistor For dry contact switches use the on board excitation supply and pull up or pull down resistors as required WARNING If input frequency exceeds the full scale beyond 11096 sample aliasing could cause measurement error and generate false alarms Limit the maximum frequency to less than 110 of full scale to avoid these errors 3 Analog Output Connections Wire outputs as shown in Electrical Connections Drawing 4501 683 For voltage output you must also install a jumper between the output I and JMP terminals Remove this jumper for current output Note For sensitive applications high frequency noise may be reduced by placing a 0 1uF capacitor directly across the load 4 Output Relay Contacts 841T 1500 Only Wire relay contacts as shown in Electrical Connections Drawing 4501 683 See the Alarm Relay Specifications for power capacity If necessary an interposing relay can be used to Switch higher currents as illustrated in Interposing Relay Connection Drawing 4501 646 Series 841
13. 7 Transmitter Alarm User s Manual Frequency Input Electromechanical Relay Contact Protection To maximize relay life with inductive loads external protection is required For DC inductive loads place a diode across the load 1N4006 or equivalent with cathode to and anode to For AC inductive loads place a Metal Oxide Varistor MOV across the load See Relay Contact Protection Drawing 4501 646 for details IMPORTANT Frequency Inputs only Noise and or jitter on the input signal has the effect of reducing narrowing the instrument s deadband and may produce contact chatter The long term effect of this will reduce the life of mechanical relays To reduce this undesired effect you should increase the effective deadband Note the input averaging function of this transmitter may also be used to reduce contact chatter 5 Grounding See Electrical Connections Drawing 4501 683 The module housing is plastic and does not require an earth ground connection However there are mounting positions on the output terminals to connect a cable shield plus earth ground These connections are isolated from the internal circuit and are recommended to minimize noise and help protect the unit from damaging I O transients WARNING For compliance to applicable safety and performance standards the use of shielded cable is recommended as shown in Drawing 4501 683 Further the application of earth ground must be in place as shown in Draw
14. 81 1 for class B equipment FIELD CONFIGURATION AND CONTROLS In field program capability of transmitter zero amp full scale all models plus alarm setpoint amp dropout levels 841T 1500 only is accomplished with module push buttons and LED indicators frequency input types only This is useful for making adjustments in the absence of a host computer Note The unit must first be configured using the Configuration Software before its configuration can be changed in the field Pulse counting input parameters cannot be changed in the field via the module push buttons Module Push Buttons See Drawing 4501 642 for Location Mode Used to change mode of field configuration Set Used to accept input data during field configuration Up Used to increment output level during field configuration Used to reset a latched alarm relay in operating mode Down Used to decrement output level during field configuration Used to reset a latched alarm relay in operating mode LED Indicators See Drawing 4501 642 for Location Operating Run Mode Run Green Constant ON indicates power is applied and unit is operating normally Flashing ON OFF indicates unit is performing diagnostics first second following power up or has failed diagnostics after a few seconds Zero Full Scale Yellow Turned OFF in Run mode Relay Yellow Constant ON indicates alarm condition for relay During field configuration this LED has a different
15. Acromag Series 8411 Transmitter and Combination Transmitter Alarm Frequency or Pulse Counting Input USER S MANUAL ACROMAG INCORPORATED 30765 South Wixom Road P O BOX 437 Wixom MI 48393 7037 U S A Tel 248 624 1541 Fax 248 624 9234 Copyright 1997 Acromag Inc Printed in the USA Data and specifications are subject to change without notice 8500 569 G05A011 Series 8417 Transmitter Alarm User s Manual Frequency Input Safety Summary Symbols on equipment Means Caution refer to this manual for additional information The information contained in this manual is subject to change without notice Acromag Inc 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 Inc 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 Table of Contents Page 1 0 INTRODUCTION DESCRIPTION tee Key IntelliPack 841T ACCESSORY ITEMS IntelliPack Configuration Software IntelliPack Se
16. Block Diagram 4501 692 15 Computer to IntelliPack Connections 4501 643 16 Electrical Connections 4501 683 17 Interposing Relay Conn amp Contact Pro 4501 646 19 Enclosure Dimensions 4501 642 20 IMPORTANT SAFETY CONSIDERATIONS It is very important for the user to consider the possible adverse effects of power wiring component sensor or software failures in designing any type of control or monitoring system This is especially important where economic property loss or human life is involved It is important that the user employ satisfactory overall system design It is agreed between the Buyer and Acromag that this is the Buyer s responsibility Windows 95 amp NT are registered trademarks of Microsoft Corp 1 0 INTRODUCTION These instructions cover hardware functionality of the transmitter models listed in Table 1 Supplementary sheets are attached for units with special options or features Table 1 Models Covered in This Manual Series Options Output Factory Input Type Enclosure Approvals Configuration 841T 0500 841T __ 1500 Notes Table 1 1 Agency approvals include UL Listed and cUL Listed 2 Include C suffix to specify the factory configuration option Otherwise no suffix is required for standard configuration 3 Model 841T 0500 units have transmitter functionality only
17. I SNOILOANNODO ONISOdYALNI LNA TVAInO3 YO 900PNI ISN SLOVLNOO LddS ON _ ON i DC LOAD SQVO 13AILLORIQNI NOILOALOYd LOVLNOO AV T13H YVAN AV T3 ALVOOT AV T3H OV 340913 H LOVLINOO AW14yY ONISOdYALNI un B E AN T3848 GALNNOW TIIVH7NIG TWOldAL fe YVAN 31907 8 gt GALNNOW TWOldAL 19 Frequency Input IntelliPack Series 841T Transmitter Alarm User s Manual VCVv9 LOSV SNOISNAWIG SYNSO TONSA YALLINSNVYL MOVdITISLNI SYSLSWITHW SIHONI NI 33V NOISN3IAIG 77 3LON 59 4 2 34 TVA ala NOHA IVAOIN3H 1015 H3AIHOM3HOS Zc00S NIG NILNNON TVH ola 20
18. If you do not wish to change the setpoint skip to step 15 13 Adjust input source to the High or Low alarm setpoint level 14 Press the SET push button to accept the setpoint Note every time SET button is pressed the yellow status LED will flash once and the value at the input will be captured 15 Press the MODE push button one time and the yellow relay LED should start flashing see Table 4 This means the unit is ready to accept the dropout level for the alarm If you do not wish to change the dropout skip to step 18 16 Adjust the input frequency to the desired dropout level 17 Press the SET push button to accept the input dropout level Note every time SET is pressed the yellow status LED will flash once and the value at the input will be captured The module will use the difference between the setpoint and dropout values to calculate relative deadband 18 Press the MODE push button one time to complete the program sequence and return to run mode The green RUN LED will turn ON the yellow Zero Full Scale LED will be OFF and the yellow alarm LED will be ON or OFF according to the alarm status The module will now assume a transfer function based on the zero and full scale values just set The setpoint and dropout of 841T 1500 units is used to determine the alarm deadband Note that until is pressed pushing will only toggle between the zero amp full scale plus setpo
19. Pack Serial Port Adapter also contains a red LED visible at the small opening in the enclosure to the right of the RJ11 receptacle If this LED is OFF or Flashing and power is ON then a communication interface problem exists Note that the adapter receives its power from the IntelliPack module A constant ON LED indicates a properly working and powered serial interface adapter Acromag s Application Engineers can provide further technical assistance if required When needed complete repair services are available from Acromag 6 0 SPECIFICATIONS 841T 1500 C Frequency Pulse Input IV Output SPDT Relay 841T 0500 C Frequency Pulse Input Output General The IntelliPack Model 841T 0500 is a DC powered transmitter which conditions a single frequency or pulse count input and provides an isolated voltage or current output Isolation is supplied between the sensor input the output and power The 841T 1500 adds a SPDT Form C electro mechanical relay which provides a local limit alarm function with isolated relay contacts This transmitter alarm is DIN rail mounted The unit is configured and calibrated with our user friendly Windows 95 or NT IntelliPack Configuration Program Push buttons on the module allow adjustment to the zero and full scale points for the transmitter plus setpoint and deadband adjustment for modules with the alarm option All calibration and configuration information is stored in non volatile reprogramm
20. Two 4 957109 SWS MOT AAILOV SI 1580 TVNOIS 19534 S 13538 1 10 eal SLOVLNOO 1085 ON So p i annoy TS avol HLYVA NOILLOANNOO 5 naino ams Q 00SL LLv9 TIAON l SNOLLO3NNOO 0090 178 1900 005 1 1 73 18000 SNOILOANNOO IVOlH LO3 143 17 Frequency Input IntelliPack Series 841T Transmitter Alarm User s Manual dO OE89 LOST 2 E 1580 1580 QD uVIOdINn ALS YVON fing zaionaas 8 Nisa bn dnmnd fan NMOG Tind MX J18vN3 xal j zal 318vo XFOV 8I GI8 oun A 2 HOSN3S ALIWIXOMd ONIONNOS FT O lez 310N 33s 895 150 YVIOdINA x3 YVIOdINN 8 318vN3 nisa 318vN3 12 i dn Tind navna 1979 zal 318vo X9NV 819 6I8 mee lt A A ueq JO 10 9 uado YOSNAS ALINIXOYd 5 2 P 310N 335 199010 dAL gt 0918 ALS
21. a gated 1 second period is used to calculate the input period The microcontroller will compute the input frequency and complete the transfer equation according to the transmitter type and its embedded function It sends a corresponding output signal to an optically isolated Digital to Analog Converter DAC The DAC then updates its current or voltage outputs in response The microcontroller also compares the signal value to the limit value and completes all necessary alarm functions per its embedded program 841T 1500 units only The embedded configuration and calibration parameters are stored in non volatile memory integrated within the microcontroller Only the functions required by an application are actually stored in memory new functionality can be downloaded via the IntelliPack Configuration Program and Serial Port Adapter A wide input switching regulator isolated flyback mode provides isolated 5V and 16V power to the circuit plus an isolated 15V output circuit supply Series 8417 Transmitter Alarm User s Manual Frequency Input 5 0 SERVICE AND REPAIR CAUTION Risk of Electric Shock More than one disconnect switch may be required to de energize the equipment before servicing SERVICE AND REPAIR ASSISTANCE This module contains solid state components and requires no maintenance except for periodic cleaning and transmitter configuration parameter zero full scale setpoint deadband etc verific
22. able memory in the module MODEL NUMBER DEFINITION Transmitters are color coded with a white label The prefix 8 denotes the IntelliPack Series 800 while the T suffix specifies that this device is primarily a process transmitter 841T Transmits and isolates a single frequency or pulse counting input X500 The four digits of this model suffix represent the following options respectively 1 with Alarm Relay X 0 without Alarm Relay 5 Output Transmitter Voltage or Current 0 Enclosure DIN rail mount 0 Approvals Pending please consult the factory INPUT SPECIFICATIONS Unit must be wired and configured for the intended input type and range see Installation Section for details The following paragraphs summarize this model s input types ranges and applicable specifications Frequency Input Select 0 to 100 00Hz 0 to 1000 0Hz or 0 to 50KHz Unit accepts unipolar or bipolar zero crossing input signals Frequency is accurately measured to a minimum of 1Hz 50KHz range 0 5Hz 100Hz amp 1KHz ranges Unmeasurable input frequencies below 1Hz are represented as OHz Status LED will flash if input frequency is unmeasurable below 1Hz or if the signal amplitude is insufficient for detection Pulse Counter Input 100Hz maximum counting rate Minimum pulse width is 5ms bms ON and 5ms OFF for 10ms period or 100Hz Pulse count range is 0 to 65535 pulses Unit accepts unipolar or bipolar input p
23. am parameters will be made 4 Latching alarms require a push button reset to exit the alarm state this may also be accomplished under software control Use the up or down push button on the front of the module to reset a latched alarm relay 4 0 THEORY OF OPERATION Refer to the Block Diagram of Drawing 4501 682 and 4501 692 to gain a better understanding of the circuit Note that these transmitters use a comparator and logic gate to convert the input signal into a digital pulse stream The comparator is used to provide the threshold and hysteresis while the logic gate is used to square the waveshape The microcontroller samples the input pulse stream while tracking the number of internal sampling clock cycles to determine the period of the input signal and derive its frequency The sampling clock rate is 666666 667 cycles per second or 1 5us per cycle For frequencies below 100Hz the number of sampling clock cycles in one input wave cycle is used to determine the period of the input For frequencies in the range of 100Hz to 1000Hz the number of sampling clock cycles in eight input wave cycles is used to determine the input period As such internal resolution decreases with increasing frequency and is generally better than the display resolution for the range except near the upper end of the 100Hz and 1000Hz ranges where it approaches half the display resolution for these ranges For the 50KHz range the number of input wave cycles in
24. ation Since Surface Mounted Technology SMT boards are generally difficult to repair it is highly recommended that a non functioning module be returned to Acromag for repair The board can be damaged unless special SMT repair and service tools are used Further Acromag has automated test equipment that thoroughly checks and calibrates the performance of each module Please refer to Acromag s Service Policy Bulletin or contact Acromag for information on service parts and repair PRELIMINARY SERVICE PROCEDURE Before beginning repair be sure that all installation and configuration procedures have been followed The unit routinely performs internal diagnostics following power up or reset During this period all LED s will turn ON momentarily and the green LED flashes If the diagnostics complete successfully the LED will stop flashing after approximately one second and remain ON This indicates that the unit is operating normally If the Run LED continues to flash then this is indicative of a problem In this case use the Acromag IntelliPack Configuration Software to reconfigure the module or download its firmware and this will usually cure the problem If the diagnostics continue to indicate a problem a continuously flashing green LED or if other evidence points to a problem with the unit an effective and convenient fault diagnosis method is to exchange the questionable module with a known good unit The Intelli
25. ation and various alarm and transmitter functions in detail All transmitter and alarm functions are programmable and downloadable to the module via this software Non volatile memory within the IntelliPack provides program configuration and data storage IntelliPack Serial Port Adapter Model 5030 913 This adapter serves as an isolated interface converter between the EIA232 serial port of the host computer and the Serial Peripheral Interface SPI port of the IntelliPack module It is used in conjunction with the Acromag IntelliPack Configuration Software to program and configure the modules This adapter requires no user adjustment no external power and operates transparent to the user It receives its input power from the IntelliPack module The adapter has a DB9S connector that mates to the common serial port connector of a host computer The adapter also has a 6 wire RJ11 phone jack to connect to the IntelliPack alarm module via a separate interconnecting cable described below Refer to Drawing 4501 635 for computer to IntelliPack connection details IntelliPack Cable Model 5030 902 This 6 wire cable is used to connect the SPI port of the IntelliPack Serial Port Adapter to the IntelliPack This cable carries the SPI data and clock signals reset signal and 5V power and ground signals The cable is 7 feet long and has a 6 wire RJ11 plug at both ends which snap into jacks on the Serial Port Adapter and IntelliPack modu
26. e side of the unit while input wiring is inserted at the other side Connectors are an industry standard screw clamp type and accept a wide range of wire sizes The safe compact rugged reconfigurable and reliable design of this transmitter makes it an ideal choice for control room and field applications Custom IntelliPack module configurations are also possible please consult the factory Key IntelliPack 841T Features e Agency Approvals CE UL Listed amp cUL Listed Easy Windows Configuration Fully configurable our user friendly Windows 95 Configuration Program Nonvolatile Reprogrammable Memory Module uses an advanced technology microcontroller with integrated non volatile downloadable flash memory This allows the functionality of this device to be reprogrammed many times Convenient Field Reprogrammability Adjustment to transmitter zero and full scale plus alarm setpoint and deadband can be made via module push buttons and LED s thus facilitating in field changes without having to connect a host computer frequency inputs only Key IntelliPack 841T Features Fully Isolated The input power and output circuits and optional relay contacts are all isolated from each other for safety and increased noise immunity Wideband Frequency Input This model accepts frequency inputs from OHz to 50KHz Inputs below 1Hz are represented as OHz Flexible Pulse Counter Function The buil
27. ect either the rising edge positive or falling edge negative of the input pulses to be counted Event Counter Termination Wrap Auto Reset Latch Select none wrap auto reset or latching None will cause the counter to wrap around to zero from 65535 Auto reset will cause the counter to be automatically reset to 0 when the value scaled to 100 is reached Latching will cause the counter to latch at the value scaled to 100 Any counter can be reset to zero at any time by applying an active low counter reset signal to the CRST terminal or by clicking on the Reset Counter button of the IntelliPack Configuration Software Excitation Voltage Use is optional Select either 8 2V or 12V DC Internally limited to 24mA typical Available at the EXC and EXC terminals of the module Input Calibration The configuration software can be used to calibrate the input timing of this module Analog Output Configuration Output Range Unit can be configured for either a voltage or current output range A jumper must also be installed between the output I and JMP terminals for voltage output remove this jumper for current output Voltage Jumper Required 0 to 10V DC 0 to 5V DC Current 0 to 20mA DC 4 to 20mA DC or 0 to 1mA DC 12 Output Mode Select a normal acting ascending or reverse acting descending output response Output Calibration The configuration software can be used to calibrate the output co
28. eenergized in alarm state or non failsafe operation relay energized in alarm state Failsafe mode provides the same contact closure for alarm states as for power loss while non failsafe mode uses alarm contact closure opposite to power loss conditions Relay Reset Automatic Latching The relay may be configured to automatically reset when the input retreats past its setpoint and deadband or the relay may latch into its alarm state A push button reset switch is located on the front of the module use the up or down arrow buttons and is used to exit the latched state this may also be accomplished under software control 13 Other IntelliPack Configuration Software Capabilities In addition to configuring all features of the module described above the IntelliPack Configuration Software includes additional capabilities for testing and control of the module as follows Monitors the input and output signal values and allows polling to be turned on or off e Allows a configuration to be uploaded or downloaded to from the module Also provides a means to rewrite a module s firmware if the microcontroller is replaced or a module s functionality is updated Provides controls to separately calibrate the input and output stages and restore the original factory input or output calibration in case of error Provides controls to reset a module and reset latched alarm Provides a control to reset the event pulse cou
29. ering sensors amp transducers up to 24mA Normal Or Reverse Acting Output The output of this transmitter may be software configured for a normal acting ascending or reverse acting descending response Self Diagnostics Built in routines operate upon power up for reliable service easy maintenance and troubleshooting Wide Range DC Powered This device receives power over a wide DC supply range and the power terminal is diode coupled This makes the product useful for systems with redundant supplies and or battery back up Wide Ambient Operation The unit is designed for reliable operation over a wide ambient temperature range Hardened For Harsh Environments The unit will operate reliably in harsh industrial environments and includes protection from RFI EMI ESD EFT and surges plus low radiated emissions per CE requirements Convenient Mounting Removal amp Replacement The DIN rail mount and plug in type terminal blocks make module removal and replacement easy High Resolution Precise D A Conversion Transmitter output is driven with a high resolution low noise Sigma Delta Digital to Analog Converter Z A DAC for high accuracy and reliability LED Indicators Used to indicate operating alarm system diagnostic and field configuration status Series 8417 Transmitter Alarm User s Manual Frequency Input Alarm Relay Model Only 841T 1500 Powerful Alarm Functionality May be progra
30. f the scaled range For example if the O to 100 00Hz input range was selected using the configuration program the alarm can be programmed to any setpoint from 0 to 100Hz If input averaging is used samples gt 1 then the averaged input value will be used by the alarm Limit Alarm Mode Select a High limit or Low limit for the limit alarm function of this model In this mode the relay will enter the alarm state when either the user defined high or low setpoint is exceeded for the specified amount of time this allows input transients to be filtered Relay remains in the alarm state until the input signal has retreated past the defined setpoint plus any deadband frequency inputs only for the specified amount of time A high limit is assumed for the event counter input Limit Alarm Setpoint A high or low setpoint may be assigned to the relay and is programmable over the entire input range this is also field adjustable The relay will trip on an increasing input signal for a high setpoint and on a decreasing input signal for a low setpoint A high setpoint is assumed for the event counter input Series 8417 Transmitter Alarm User s Manual Frequency Input Limit Alarm Deadband Frequency Inputs Only Deadband is associated with the setpoint and is programmable over the entire input range this is also field adjustable Deadband determines the amount the input signal has to return into the normal opera
31. ges Table 4 Input Range Resolution Input Range Display Resolution to 100 00Hz 0 01Hz to 1000 0Hz 0 to 50000Hz 0 to 65535 Pulses Input Zero Span Range Turn Down See Table 5 The configuration software may be used to calibrate an output response to input zero amp full scale values that are subsets of their nominal input range end points For best results select the smallest input range that contains the desired zero and full scale input signals Refer to Table 5 Table 5 Input Zero Full Scale Span Selection Nominal Recommended Input Span Calibration Input Range Range 100 00Hz 10Hz min span within to 100Hz range 0 to 1000 0Hz 100Hz min span within 0 to 1KHz range 0 to 50000Hz 1000Hz min span within 0 50KHz range 0 to 65535 1000 pulses min span recommended All Pulses spans must include 0 as low endpoint Input amp Alarm Accuracy Module timing is crystal based for best accuracy temperature stability and minimum long term drift For input and alarm accuracy refer to Table 6 Table 6 does not include analog output or overall accuracy refer to Table 7 Note that the sampling mechanism used for the 100Hz and 1000Hz ranges results in decreased resolution near the upper end of the range thus decreasing effective accuracy in this range Table 6 Input Measurement amp Alarm Accuracy Nominal Accuracy Over Input Range Accuracy at 25 C Temperature Oto 100 00Hz 0 02Hz f lt 50Hz
32. high frequency noise may be reduced by placing a 0 1uF capacitor directly across the load Voltage Output Specifications Output Range 0 10V DC 0 5V DC Output Accuracy See Table 7 Output Current 0 10mA DC maximum Output Impedance 10 Output Resolution See Table 7 Output Short Circuit Protection Included Current Output Specifications Output Ranges 0 20mA DC 4 20mA DC or 0 1mA DC Output Maximum Current 21 6mA typical Output Accuracy See Table 7 Output Compliance 10V Minimum 12V Typical Output Resolution See Table 7 Output Load Resistance Range 0 to 5500 typical Table 7 Analog Output Range Resolution amp Accuracy gt Accuracy at 25 C Output Range Resolution Percent of Span Output Overall 0 to 20mA DC 0 002596 0 025 0 050 Notes Table 7 1 Voltage outputs unloaded Loading will add I R error 2 Software calibration produces high accuracy 3 current ranges are subsets of a 0 24mA DAC range which allows for under and over range capability The 0 5V range is a subset of the 0 10V range 4 overall accuracy input to output add 0 025 to output accuracy assuming full input range is utilized Digital to Analog Converter Analog Devices AD420AR 32 16 bit X A Monotonic to 16 bits DAC Integral Non Linearity 0 00295 1 4LSB of span typical 0 012 7 91 58 of span maximum utilizing full DAC output span 0 24mA DAC Output Temperature Drift Better than
33. iations 60 120 Hz Ripple Less than 0 0196 of output span per volt peak to peak of power supply ripple Isolation Input power output and optional relay output 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 dielectric strength test for one minute without breakdown This complies with test requirements outlined in ANSI ISA 82 01 1988 for the voltage rating specified Installation Category Designed to operate in an Installation Category Overvoltage Category environment per IEC 1010 1 1990 Radiated Field Immunity RFI Complies with IEC1000 4 3 Level 3 10V M 80 to 1000MHz AM amp 900MHz keyed and European Norm EN50082 1 Electromagnetic Interference Immunity EMI No relay trips will occur beyond 0 25 of input span from setpoint and no output shifts gt 0 2596 of output span will occur under the influence of EMI from switching solenoids commutator motors and drill motors Electrical Fast Transient Immunity EFT Complies with IEC1000 4 4 Level 2KV power 1KV signal lines and European Norm EN50082 1 Electrostatic Discharge ESD Immunity Complies with IEC1000 4 2 Level 3 8KV AKV air direct discharge to the enclosure port and European Norm EN50082 1 11 Surge Immunity Complies with IEC1000 4 5 Level 3 2 0KV and European Norm EN50082 1 Radiated Emissions Meets or exceeds European Norm EN500
34. ing 4501 683 Failure to adhere to sound wiring and grounding practices may compromise safety amp performance 3 0 MODULE CONFIGURATION The IntelliPack module needs to be configured for your application Configuration is done using Acromag s Windows 95 or NT IntelliPack Configuration Program and Serial Port Adapter Transmitter calibration and configuration details are included in the IntelliPack Transmitter Configuration Manual 8500 570 Field calibration is only applicable to frequency input types Field adjustment of transmitter zero amp full scale scaling parameters plus alarm setpoint amp dropout Model 841T 1500 can be accomplished via the module s push buttons and LED s in the absence of a host computer FIELD CONFIGURATION Frequency Inputs Only This program mode allows adjustment to key transmitter calibration and alarm parameters in the field without having to connect a host computer Field reprogrammability of zero amp full scale plus alarm setpoint amp deadband 1500 units is accomplished the transmitter alarm module s SET UP and DOWN push buttons and the zero full scale and relay LED s see Dwg 4501 642 Equipment Required e An accurate frequency input source adjustable over the configured input range This source must be accurate beyond the module specifications for best results Use a source with an output impedance of 1000 or less An acc
35. int amp dropout adjustment modes 841T 1500 units without affecting their values Further if no push buttons are depressed for a period greater than 2 minutes then the module will automatically revert to run mode green Run LED will light and no changes will be made to the original zero full scale and optional setpoint amp dropout settings Notes Field Program Procedure 1 In field configuration mode the yellow zero full scale LED Z FS and relay LED RLY are used to indicate which program parameter is being adjusted as illustrated in Table 3 Table 3 Field Configuration LED Program Indication LED INDICATOR Constant ON FLASHING Yellow Zero Full Scale labeled Z FS Zero Full Scale High or Low High or Low Setpoint Dropout 841T 1500 Only Yellow Relay labeled RLY Notes Field Program Procedure continued 2 To summarize the green Run LED is turned off in field configuration mode The yellow zero full scale LED is ON or FLASHING when the corresponding zero or full scale value is being set in field configuration mode and turned OFF in run mode The yellow alarm LED is ON or FLASHING when the corresponding setpoint or dropout deadband level is being set in field configuration mode 3 If the transmitter alarm is in field configuration mode and no push buttons are pressed after 2 minutes then the module will return to the run mode the green Run LED will light and no changes to any progr
36. l Connections Terminals can accommodate wire from 12 24 AWG stranded or solid copper Strip back wire insulation 1 4 inch on each lead before installing into the terminal block Input wiring should be shielded twisted pair Since common mode voltages can exist on signal wiring adequate wire insulation should be used and proper wiring practices followed It is recommended that transmitter output and power wiring be separated from the input signal wiring for safety as well as for low noise pickup Note that input power output and relay terminal blocks are a plug in type and can be easily removed to facilitate module removal or replacement without removing individual wires If your application requires voltage output you must install a jumper between the output I and JMP terminals jumper is installed at the factory Remove this jumper for current output applications Be sure to remove power and or disable the load before unplugging the terminals to uninstall the module installing or removing jumpers or before attempting service All connections must be made with power removed CAUTION Risk of Electric Shock More than one disconnect switch may be required to de energize the equipment before servicing 1 Power Refer to Electrical Connections Drawing 4501 683 Variation in power supply voltage within rated limits has negligible effect on module accuracy For supply connections use No 14 AWG wires rated for at least
37. le IntelliPack Software Interface Package Model 800C SIP The IntelliPack Software Interface Package combines the Configuration Software 5030 881 Alarm Configuration Manual 8500 563 Transmitter Configuration Manual 8500 570 Serial Port Adapter 5030 913 and Cable 5030 902 into a complete kit for interfacing with IntelliPack Alarms and Transmitters 2 0 PREPARATION FOR USE UNPACKING AND INSPECTION Upon receipt of this product inspect the shipping carton for evidence of mishandling during transit If the shipping carton is badly damaged or water stained request that the carrier s agent be present when the carton is opened If the carrier s agent is absent when the carton is opened and the contents of the carton are damaged keep the carton and packing material for the agent s inspection For repairs to a product damaged in shipment refer to the Acromag Service Policy to obtain return instructions It is suggested that salvageable shipping cartons and packing material be saved for future use in the event the product must be shipped CAUTION SENSITIVE ELECTRONIC DEVICES DO NOT SHI OR STORE NEAR STRONG ELECTROSTATIC ELECTROMAGNETIC MAGNETIC OR RADIOACTIVE FIELDS This module is physically protected with packing material and electrically protected with an anti static bag during shipment However it is recommended that the module be visually inspected for evidence of mishandling prior to applying power
38. location applications Series 8417 Transmitter Alarm User s Manual Frequency Input ENVIRONMENTAL SPECIFICATIONS Operating Temperature 25 C to 70 C 13 F to 158 F Storage Temperature 40 C to 85 C 40 F to 185 F Relative Humidity 5 to 95 non condensing Power Requirements 10V Minimum to 36V DC Maximum Current draw is a function of supply voltage see Table 8 Current shown in Table 8 assumes that the input excitation supply is delivering 24mA the output circuit is at 20mA and the IntelliPack Serial Interface Adapter is connected For 841T 1500 units the current shown also assumes that the alarm relay is energized An internal diode provides reverse polarity protection CAUTION Do not exceed 36VDC peak to avoid damage to the module Table 8 841T Supply Current Supply Model Model 841T 1500 Voltage 841T 0500 Relay Energized 225mA 265mA Note Disconnecting the Serial Port Adapter will reduce current draw 796 on average while unloading the input excitation supply will reduce current consumption about 12 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 Power Supply Effect DC Volts Less than 0 001 of output span change per volt DC for rated power supply var
39. mmed limit alarms with deadband frequency inputs only latching non latching contacts and failsafe non failsafe operation An event counter may be configured with a high alarm High Power SPDT Relay Contacts Includes Single Pole Double Throw SPDT electro mechanical alarm relay for switching up to 230VAC amp 5A Failsafe or Non Failsafe Relay Operation May be configured for failsafe or non failsafe relay operation e Configurable Setpoint With Deadband Includes programmable deadband frequency inputs only to help eliminate relay chatter and prolong contact life Configurable Latching or Momentary Alarms May be configured for automatic alarm reset or a latching alarm with manual push button or software reset Configurable Relay Time Delay Filters Transients Useful for increased noise immunity and to filter transients ACCESSORY ITEMS The following IntelliPack accessories are available from Acromag Acromag also offers other standard and custom transmitter and alarm types to serve a wide range of applications please consult the factory IntelliPack Configuration Software Model 5030 881 IntelliPack alarms and transmitters are configured with this user friendly Windows 95 Configuration Program This software package includes the IntelliPack Alarm Configuration Manual 8500 563 and IntelliPack Transmitter Configuration Manual 8500 570 These manuals describe software oper
40. ncy inputs only See the Transmitter Configuration Manual 8500 570 for instructions Jumper Installation For Voltage Output Only For voltage output a short jumper must be installed between the output I and JMP terminals A jumper wire is included with the unit and is already installed between the output JMP and terminals Verify the position of this jumper if your application requires output voltage Remove this jumper for current output applications Refer to the Electrical Connections Drawing 4501 683 Mounting Refer to Enclosure Dimensions Drawing 4501 642 for mounting and clearance dimensions DIN Rail Mounting This module can be mounted on T type DIN rails Use suitable fastening hardware to secure the DIN rail to the mounting surface Units may be mounted side by side on 1 inch centers for limited space applications Rail 35mm Type EN50022 To attach a module to this style of 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 solidly into place To remove a module first separate the input terminal block s from the bottom side of the module to create a clearance to the DIN mounting area Next insert a screwdriver into the lower arm of the DIN rail connector and use it as a lever to force the connector down until the unit disengages from the rail Electrica
41. nd alarm attributes are selectable via the IntelliPack Configuration Software Refer to the IntelliPack Transmitter Configuration Manual 8500 570 for a detailed explanation of these attributes and their application Input Configuration Input Range This transmitter can be configured to accept any one of the input frequency range types described in the Input Specifications or as an event counter using the IntelliPack Configuration Program Input Samples For Averaging Frequency Inputs Only Input averaging can be set to 1 default 2 4 8 or 16 The value selected indicates the number of input signal acquisitions used in computing a running average This is useful in helping to filter out transients Note the response time will be increased by the factor selected Input Resistor Pullup Pulldown Utilize the optional on board pullup or pulldown circuits according to the input type Input Threshold Bipolar Unipolar Select either bipolar zero crossing or unipolar non zero crossing input signal types Two levels of input threshold and hysteresis are available for each input type Event Counter Debounce 0 1000ms 0 disabled to 1 second configurable in 5ms increments You must select appropriately with respect to input signal bandwidth and characteristics Used to eliminate counting false pulses due to electro mechanical relay contact bounce and other mechanical effects Event Counter Edge Rising Falling Sel
42. nditioning circuit of this module Transmitter Configuration Scaling Enter an input value for 096 output and an input value for 10096 output these are also field adjustable Scaling is performed after averaging and converts the engineering units of the input range or a portion of the input range to O to 10096 That is scaling allows virtually any part of the selected input range to be scaled to 096 and 100 at the output For event counters the input value for 10096 output is the maximum count value Minimum Input Spans 10 of the selected input frequency range For pulse event counting inputs no minimum is imposed but 1000 pulses is recommended to maintain reasonable output resolution Transmitter Computation Function This model provides proportional computation only and no optional computations are provided Each input sample is converted into a directly proportional output update End Points Configuration Transmitter Zero Full Scale Input maps to Zero Full Scale Output Event counters always have a count of 0 as the zero input and the maximum count as the input for 10096 output Alarm Configuration Model 841T 1500 The model 841T 1500 may be configured for simple limit alarms You may also refer to the IntelliPack 800A alarm family for dedicated alarm modules that support other operating functions Limit Alarm Input The input signal range to the alarm is the full range for the configured input type irregardless o
43. ntacts will switch tracking the input acquisition time see Input Acquisition Time specification If configured with additional Relay Delay Time this will add to the relay response time ENCLOSURE PHYSICAL SPECIFICATIONS See Enclosure Dimensions Drawing 4501 642 Units are packaged in a general purpose plastic enclosure that is DIN rail mountable for flexible high density approximately 1 wide per unit mounting Dimensions Width 1 05 inches Height 4 68 inches Depth 7 4 35 inches see Drawing 4501 642 DIN Rail Mounting xx0x DIN rail mount Type EN50022 rail 35mm Connectors Removable plug in type terminal blocks Current Voltage Ratings 15A 300V Wire Range AWG 12 24 stranded or solid copper Separate terminal blocks are provided for input power output and relay contacts For supply connections use No 14 AWG copper wires rated for at least 75 C 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 APPROVALS xxx0 0 Agency Approvals CE UL Listed and cUL Listed UL3121 First Edition CSA C22 2 No 1010 1 92 Low Voltage Directive 72 23 EEC EMC 89 336 EEC Directives Product approval is limited to general safety requirements of the above standards Warning This product is not approved for hazardous
44. nter to zero Provides control to adjust a transmitter s output signal independent of the input signal e Allows optional user documentation to be written to the module Documentation fields are provided for tag number comment configured by location and identification information This information can also be uploaded from the module and printed e Allows a module s configuration to be printed on an easy to read two page form including user documentation For complete information on the IntelliPack Configuration Software refer to Transmitter Configuration Manual 8500 570 Notes Frequency Input IntelliPack Series 841T Transmitter Alarm User s Manual dHc89 L0OST OIL VIN3HOS 5 1 78 Salsas n NOILV IOSI 44MOd YSHOLIMS AS AQL 20498 01 00 Op OCAYE OL NOILV IOSI NOILV IOSI LNdLNO Andino NOILV IOSI LNdNI A NIVO Andino 100 JDVLIOA HOS 98 9 TIVLSNI NOILV IOSI lt Wall lt quits LNdLNO Gang NOILV TOSI 5 NOLESCTOSECUISIHIS Qtr SrL Sr 1
45. own resistors plus 8 2V 12V excitation supplies are available at the input to interface with a variety of input sensor or transducer types The optional SPDT alarm relay Model 841T 1500 has a yellow LED on the front of the module that provides a visual indication of the high low alarm condition Additionally Run Status and Zero Full Scale LED s provide local feedback of operating mode system diagnostics and field configuration status Front panel push buttons are used to facilitate field reconfiguration or to reset a latched alarm without having to connect a host computer Series 8417 Transmitter Alarm User s Manual Frequency Input The module uses a comparator and logic gate to convert an input signal into a digital TTL pulse stream A microcontroller samples the pulse stream and measures its frequency or counts the number of pulses An external counter reset terminal is also included The module completes the user specified input to output transfer equation and controls an optically isolated Digital to Analog Converter DAC to produce a corresponding process current or voltage output signal The microcontroller also drives a separate alarm circuit to control the relay contacts Flexible transmitter functionality and an optional limit alarm combined in a single device plus convenient reprogrammability makes this instrument extremely powerful and useful over a broad range of application
46. rial Port Adapter IntelliPack Cable o nent otn IntelliPack Software Interface Package 2 0 PREPARATION FOR USE UNPACKING AND INSPECTION INSTALLATION Hm Jumper Installation Voltage Outputs Dot LO Dr c PR d Electrical Connections 3 0 MODULE CONFIGURATION FIELD 4 0 THEORY OF OPERATION 5 0 SERVICE AND SERVICE AND REPAIR ASSISTANCE PRELIMINARY SERVICE PROCEDURE 6 0 SPECIFICATIONS MODEL NUMBER INPUT SPECIFICATIONS ANALOG OUTPUT SPECIFICATIONS ODDDWDWDANDONAAAAAAHAHRARBRWND RELAY OUTPUT 5 10 ENCLOSURE PHYSICAL SPECIFICATIONS 10 APPROVALS i 10 ENVIRONMENTAL SPECIFICATIONS 11 FIELD CONFIGURATION AND CONTROLG 11 HOST COMPUTER COMMUNICATION 11 SOFTWARE 12 List of Drawings Page Simplified Schematic 4501 682 14 Functional
47. s Input averaging may be used with frequency inputs to smooth input frequency jitter Debounce may be used with pulse counting inputs to eliminate counting false pulses due to electromechanical relay contact bounce and other mechanical effects The analog output may produce a normal ascending or reverse descending response The relay of 841T 1500 models may be configured as a limit alarm with deadband with latching non latching contacts and for failsafe or non failsafe modes A programmed relay time delay may be implemented to filter transients and minimize nuisance alarms All IntelliPack modules are designed to withstand harsh industrial environments They feature RFI EMI ESD EFT and surge protection plus low temperature drift wide ambient temperature operation and isolation between input power output and relay contacts They also have low radiated emissions per Conformity European CE requirements As a wide range DC powered device the unit may be powered from DC power networks incorporating battery back up Additionally the input power terminal is diode coupled providing reverse polarity protection This allows the unit to be connected to redundant power supplies or several units to safely share a single DC supply Units are DIN rail mounted and removable terminal blocks facilitate ease of installation and replacement without having to remove wiring Transmitter power output and relay wiring are inserted at on
48. t a frequency source to the input as required refer to Electrical Connections Drawing 4501 683 2 Apply power and the module s green Run LED will light 3 Press and hold the MODE push button until the green Run LED turns OFF and the yellow Zero Full Scale LED turns ON In this mode the unit is ready to accept a zero input for the transmitter scaling input for 0 output If you do not wish to change the zero parameter skip to step 7 4 Adjust the input source near the zero level according to your input range value must be within input range selected For best results use a frequency of 1Hz or greater Unmeasur able frequencies below 1Hz are interpreted as OHz 5 Press the UP or DOWN push button one time to cause the module to auto adjust its output level to the corresponding output zero according to the output range selected If the output is not exactly at the zero level then each successive depression of the UP or DOWN switch will increment or decrement the output signal by a small amount Holding the switch depressed will increase the amount of increment or decrement 6 Press the SET push button to accept the zero value Note every time SET is pressed the yellow Status LED will flash once and the zero output will be captured 7 Press the MODE push button one time The yellow Zero Full Scale LED will flash on off indicating the unit is ready to accept the full scale value for se
49. t in event counter function counts pulses on the positive or negative edge upward in the range 0 65535 and includes an external counter reset The counter may wrap around from 65535 latch at a programmed count value or automatically reset itself to 0 after reaching a programmed count value The counter may also be reset remotely via the PC or via a counter reset control signal wired to the unit Input Filtering Inputs include hysteresis Other filtering modes include averaging frequency inputs debounce event counter relay time delay alarms and deadband alarms This helps to reduce the negative effects of measurement jitter false counts electro mechanical relay contact bounce plus other mechanical effects Universal Analog Outputs Supports current output ranges 0 20mA 4 20mA amp 0 1mA and 0 5V or 0 10V outputs Current outputs will drive up to 5500 typical Flexible Interface Supports Many Input Types The programmable pull up down resistors amp selectable excitation provides support for a variety of input types including TTL dry contact low or high side transistor switches magnetic pickups proximity sensors and open drain or collector Switches Supports Bipolar or Unipolar Input Signals Interfaces with both zero crossing and non zero crossing signals Voltage threshold and relative hysteresis are user selectable Convenient Input Excitation Input includes 8 2V amp 12V excitation supplies for pow
50. ting range before the relay contacts will transfer out of the alarm state Deadband is normally used to eliminate false trips or alarm chatter caused by fluctuations in the input near the alarm point Note that deadband may also apply to latched alarms If the alarm is latching it is recommended that the deadband be set to a minimum Deadband has no application to the event counter input IMPORTANT Noise and or jitter on the input signal has the effect of reducing narrowing the instrument s deadband and may produce contact chatter Another long term effect of contact chatter is a reduction in the life of the mechanical relay contacts To reduce this undesired effect increase the deadband setting Alarm Indicator A yellow LED labeled for the relay provides visual status indication of when the relay is in alarm LED is ON in alarm This LED is also used in field configuration mode to indicate whether setpoint or deadband is being adjusted Relay Time Delay 0 4000ms Programmable from 0 milliseconds to 4 seconds in 100ms increments for this model typically used to help filter input transients and avoid nuisance alarming A minimum delay of 100ms is recommended for increased noise immunity and conformance to applicable safety standards This delay does not apply to control of the transmitter s analog output Relay Operating Mode Failsafe Non Failsafe User configurable for failsafe operation relay d
51. tting the span scaling input for 100 output If you do not wish to change the full scale parameter skip to step 11 8 Adjust the input frequency to the full scale level according to your input range the value must be within the input range selected The module uses the zero and full scale levels to set the span span full scale zero Series 8417 Transmitter Alarm User s Manual Frequency Input Transmitter Alarm Field Programming Procedure continued 9 Press the UP or DOWN push button one time to cause the module to auto adjust its output level to the corresponding full scale output for the output range selected If the output is not exactly at the full scale level then each successive depression of the UP or DOWN switch will increment or decrement the output signal by a small amount Holding the switch depressed will increase the amount of increment or decrement 10 Press the SET push button to accept the full scale value Note every time SET is pressed the yellow Status LED will flash once and the full scale output will be captured 11 If configuring 841T 0500 model which has no alarm function skip steps 12 17 and jump ahead to step 18 12 Press the MODE push button one time until the yellow zero full scale LED goes out and the yellow relay LED turns ON see Table 4 In this mode the unit is ready to accept an input setpoint level for the alarm
52. ulses and samples the input at a 1 2ms rate Series 8417 Transmitter Alarm User s Manual Frequency Input Unipolar Signal Configuration Input Amplitude 0 to minimum range 0 to 100VDC maximum range Input Threshold Configurable for 1 5 5 typical Input Hysteresis Configurable for 25mV at 1 5V threshold or 83mV at 5 0V threshold typical Bipolar Signal Configuration Input Amplitude 0 20KHz 50mV minimum with 25mV hysteresis 150mV minimum with 83mV hysteresis to 100V peak to peak maximum Input Amplitude Above 20KHz 100mV minimum with 25mV hysteresis 200mV minimum with 83mV hysteresis to 100V peak to peak maximum Threshold OmV nominal 0 01 typical with 25mV hysteresis 0 03V typical with 83mV hysteresis Input Hysteresis Configurable for 25mV or 83mV typical Minimum Input Pulse Width Frequency inputs 10us Pulse counting inputs 5ms Input Overvoltage Protection Bipolar Transient Voltage Suppressers TVS Resolution The sampling mechanism used for the 100Hz and 1000Hz ranges results in decreased internal resolution with increased frequency This resolution is generally better than the display resolution indicated in Table 4 However as the input frequency approaches the upper end of the 100Hz amp 1000Hz ranges the reduced internal resolution effectively approaches twice the display resolution noted in Table 4 for these ran
53. urate current or voltage meter is required to monitor the output level This meter must be accurate beyond the module specifications for best results Note The module s input frequency range must already be set via the IntelliPack Configuration Software Frequencies outside of the configured input range will not be accepted for zero full scale setpoint or dropout calibration Since input frequencies cannot be validated during field programming entering incorrect signals can produce an undesired output response Install a jumper between the output I and JMP terminals for voltage output default remove this jumper for current output Transmitter Alarm General Field Programming Procedure The following procedure uses the corresponding zero full scale labeled Z FS and relay labeled RLY LED s to indicate which parameter is being programmed A constant ON zero full scale LED refers to zero configuration input for 0 output a flashing ON OFF zero full scale LED refers to full scale span configuration input for 100 output A constant ON relay LED indicates setpoint adjustment a flashing ON OFF relay LED indicates dropout deadband adjustment Refer to Table 3 CAUTION Do not insert sharp or oversized objects into the switch openings as this may damage the unit When depressing the push buttons use a blunt tipped object and apply pressure gradually until you feel or hear the tactile response 1 Connec
54. ut terminals of the module to reset the counter value to 0 Signal is active low Minimum reset pulse width is 5mS Note that the counter can also be reset to zero by clicking on the Reset Event Count button of the IntelliPack Configuration Software Frequency Input Reference Test Conditions 0 to 50KHz Bipolar 5Vpp input Threshold 0 0V Hysteresis 25mV Input Averaging 1 Ambient 25 C Power Supply 24VDC Output 4 20mA Ascending 4mA represents OHz 20mA represents 50KHz For 841T 1500 units additionally Relay High Limit at 50KHz 250Hz Deadband Automatic relay reset Failsafe mode Relay Time Delay of 100mS Pulse Counting Input Reference Test Conditions 0 to 25K pulses Unipolar 0 to 5V input Threshold 1 5V Hysteresis 25mV Count positive pulses with Automatic Reset Input Debounce 0 Ambient 25 Power Supply 24VDC Output 4 20mA Ascending 4mA represents 0 pulses 20mA represents 25K pulses For 841T 1500 units additionally Relay High Limit at 25K pulses Automatic relay reset Failsafe mode Relay Time Delay of 100mS ANALOG OUTPUT SPECIFICATIONS These units contain an optically isolated DAC Digital to Analog Converter that provides a process current or voltage output Calibration can occur with respect to any output range but only one of the outputs may operate at a time Series 8417 Transmitter Alarm User s Manual Frequency Input Note For sensitive applications
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