812A/811A IntelliPack Alarms
Contents
1. MODULE CONFIGURATION SEE USER S MANUAL INTELLIPACK MODULE 4501 635A SJes Wel VLLS VCL8 Seues sjndu 1ueun2 eBeyoA ejBurs jeng GL pp o BUR Exc me T weh ELECTRICAL CONNECTIONS Nd a MODEL 811A 0100 EARTH DC TWO WIRE S sup MODEL 8114 0200 GROUND 2 TRANSMITTER 1181 MODEL 8124 0200 POWER L EARTH GROUND EARTH N O N C 10TO36VDC GROUND LOAD LOAD TB1 TB2 1 Noll 9 Exc RELAY CONTACTS L mn ILS T CONTACTS ARE SHOWN IN Tee eeelee elelele ele EARTH DC O 1 DE ENERGIZED CONDITION TB4 TB3 GROUND CURRENT RTN 9 222209 4 RUN PW2. 10 List of Drawings Page Simplified Schematic amp Contact Protection 4501 625 12 Functional Block Diagram 4501 695 13 Computer to IntelliPack Connections 4501 635 14 Electrical Connections 4501 632 15 AC Sensor Connections 4501 633 16 Interposing Relay Connections 4501 634 17 Enclosure Dimensions 4501 631 18 Windows 95 amp NT are registered trademarks of Microsoft Corp 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 1 0 INTRODUCTION These instructions cover hardware functionality of the alarm 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 812A 0200 811A 0100 811A 0200 Notes Table 1 1 Agency approvals include CE UL Listed and cUL Listed 2 Include
3. POWER T 10 TO 36VDC TB3 EARTH GROUND UUUUUU UUUUUU 46 45 44 43 42 41 36 35 34 33 32 31 8888588 oc Ala a ALN NN 6608 RELAY 1 RELAY 2 POWER RELAY 1 DPDT SERIES 8XXA ALARM SIDE VIEW INPUT 1 INPUT 2 3 i 11 12 13 14 15 16 21 22 23 24 25 26 A 908 0 060 SISSSISIS SERIES 8xxA INTERPOSING RELAY CONNECTIONS INPUT CONNECTIONS 4501 634A SJes Wel VLLS VCL8 Seues sjndu 1ueun2 eBeyoA ejBurs jeng 8 T RAIL DIN MOUNTIN DIN EN 50022 35mm SCREWDRIVER SLOT FOR REMOVAL FROM T RAIL YEZ v 6c 1 05 26 7 NOTE ALL DIMENSION ARE IN INCHES MILLIMETERS INTELLIPACK ENCLOSURE DIMENSIONS 4501 631A SJes Wel VLLS VCL8 Seues sjndu 1ueun2 eBeyoA abuis jeng
4. 1 Connect a precision voltage or current source to the input as required refer to Electrical Connections Drawing 4501 632 For deviation alarms two input sources are required 2 Apply power and wait for the module s green Run LED to light continuous ON 3 Press and hold the MODE push button until the Run LED goes out and the relay 1 LED lights see Table 6 In this mode the unit is ready to accept an input for parameter 1 of relay 1 per Table 4 below If you do not wish to change this parameter skip to step 6 4 Adjust the input source s to the relay parameter 1 level shown in Table 4 according to your alarm function deviation alarms require an adjustment at both inputs General Field Programming Procedure continued Table 4 Relay Config Parameter 1 Per Alarm Function Deviation Alarm Set the Deviation Amount Use 5 Press the SET push button to accept the relay 1 parameter indicated in Table 4 Note that every time the SET button is pressed the yellow Status LED will flash once and the value at the input s will be captured 6 Press the MODE push button once The relay 1 LED should start flashing see Table 6 The unit is ready to accept the second parameter for the relay shown in Table 5 7 Adjust the input source s to the desired level 8 Press the SET button to accept the parameter noted in Table 5 for your alarm function The module will use the difference between the two progr
5. RELAY 22 1 5 INPUT 1 E t gt INPUT 91 13 INPUT 16 BIT A D CONTROLLER 4 44 RELAY 2 Q i 202 1 SIGNAL CONVERTER AND SUPPORT Q CONDITIONING AND LOGIC RELAY 2 FUNCTION SDT 14 MULTIPLEXER cena 43 2 AND FLASH MODEL 812 0200 DUAL INPUT DUAL RELAY 15 MEMORY Y 42 RELAY 1 SHLD 20 1 RELAY CM2 x RELAY 1 FUNCTION SPDT 016 D Nc2 wu ging INPUT v RECA Me SWITCHES TE E TISA RELAY 2 FUNCTION SPDT t MODEL 812A 0200 ONLY MODEL 811A 0100 INPUT 2 K B ALL 6 TERMINALS Q DEVIATION FUNCTION OPERATES FROM BOTH INPUTS Y 21 41 EXCH 2 WIRE XMTR i k ALARM DEFINITIONS E er OF pes vt Q 1 NC C FIGURE A DC INDUCTIVE LOADS E C siena 42 2 CONDITIONING IS EIN di PARE INPUT lE 10 36VDC rod 25 CIRCUIT JE SWITCHER 92 5 10 38706 240 1 LOAD pov sup Q2 POWER YY 31 Gn 7 RELAY CONTACTS 144006 OR EQUIVALENT FIGURE B AC INDUCTIVE LOADS O V MODELS 811A 812A SIMPLIFIED SCHEMATIC J 2 _ ACV y MODELS 811 812 METAL OXIDE VARISTOR SIMPLIFIED SCHEMATIC AND RELAY CONTACT PROTECTION C RELAY CONTACT PROTECTION E 4501 625A SJes Wel VLLS VCL8 Seues sjndu 1ueun2 eBeyoA abuis jeng L Digital Process Variable Input 1 PV 1 amp E
6. Better than 0 005 of input span per or 1uV whichever is greater Resolution See Table 7 Table 7 A D Resolution Per Nominal Input Range Gain Range AD Resolution 8 05 0 189mALSB 1 sows 37704 158 12 to 25V 942uV LSB 8 6 to 12V 471uV LSB t 3to 6V 236uV LSB 1to 3V 118uV LSB 64 128 Not Used Response Time Less than 100ms typical to 98 of final value for a step change in input Note a software configurable delay can be implemented for filtering transients and this will increase the response time Input Filter Normal mode filtering plus digital filtering optimized and fixed per input range within the A D Input Bandwidth Alarm contacts will track an input square wave to approximately 3 5Hz A relay time delay can be implemented for filtering transients and this will lower the relative bandwidth Noise Rejection Normal Mode Better than 40dB 60Hz typical with 1000 input unbalance 24 90 for process currents Noise Rejection Common Mode Better than 100dB 60Hz typical with 1000 input unbalance 24 90 for process currents Analog to Digital Converter A D A 16 bit X A converter Analog Devices AD7714AR 5 Input Conversion Rate 10 conversions per channel per second dual input models 20 conversions per second single input models Input bias current 10nA maximum excluding excitation current of process current inputs Input Excitation
7. Note that if the start value is greater than the deactivate value then a peak condition will be detected Otherwise a valley detection will be made IntelliPack Series 812A 811A Alarm User s Manual Dual amp Single DC Voltage Current Inputs Rate of Change The relay will enter the alarm state when the programmed rate of change threshold value is exceeded by the input signal s rate of change for a 1 second time period The relay remains in the alarm state until the input signal s rate of change has retreated below a user specified dropout level for a 1 second time period The input signal rate of change is calculated as a running average of 10 samples over a 1 second time interval this allows input transients to be filtered The module always monitors the absolute rate of change in the input signal and will activate with either a positive or negative rate of change The rate of change threshold and dropout values may be adjusted in the field via the module s push buttons and LED s units second are selected during host computer configuration Alarm Input The input signal range to the alarm is the full range of the configured input type Alarm Mode Select a High or Low limit for the limit alarm function The relay will trip on an increasing input signal for a high limit and on a decreasing input signal for a low limit Alarm Setpoint High or low setpoints plus deadband may be assigned to each relay and are programmable
8. 1 TURNS CHART SENSOR lt 1 35 gt INPUT RANGE SELECTION INPUT RANGE RMS TURNS 0 TO 20A 1 105 0375 0 TO 10A 2 0 TO 5A 4 0 TO 2A 10 1A 20 ED BLACK FIGURE 3 CROMAG MODEL 5020 350 APPLICATION EXAMPLE A AC CURRENT TRANSFORMER C T USER SUPPLIED AC CURRENT TRANSFORMER C T SENSOR AC CURRENT 5 AMPS FULL SCALE 4 TURNS WIRE NUT MOUNTED IN POWER AREA INTELLIPACK INPUT r NOTE DESIGN ALLows CONNECTIONS INADVERTANT aL lt see NOTE 1 OPENS OR SHORTS nc EXC NCQ V al al Qi RTN z 1 I J SHLD EARTH GROUND AC CURRENT TRANSFORMER C T CONNECTIONS DISCONNECT POWER TO C T OR SHORT OUTPUT OF C T BEFORE REMOVING INPUT CONNECTIONS TO AC CURRENT SENSOR IF THIS PROCEDURE IS NOT FOLLOWED AN OPEN CIRCUIT C T WILL GENERATE HIGH VOLTAGES AND POSSIBLE C T DAMAGE WILL RESULT CAUTION CONNECT MODULE TO AC CURRENT SENSOR ONLY DO NOT CONNECT AC CURRENT DIRECTLY TO INPUT TERMINALS J APPLICATION EXAMPLE B 115V 230VAC ELECTRICAL CIRCUIT renee INTELLIPACK POWER AREA INPUT AC LEADS ES bus pus NoTE pesien aLcows CONNECTIONS LOAD NOMINAL A OPENS GR SHORTS nc EXC A CAUTION AC 1 7 4 0 1 CONNECT MODULE TO SOURCE RTN CURRENT SENSO
9. 812A 811A Alarm User s Manual Dual amp Single DC Voltage Current Inputs Module Push Buttons See Dwg 4501 631 for Location Mode Used to change mode of field configuration Set Used to accept input data during field calibration Reset 1 Used to reset a latched alarm for relay 1 Reset 2 Used to reset a latched alarm for relay 2 LED Indicators See Dwg 4501 631 for Location Operating Mode Run Green Constant ON indicates power is applied and unit is operating normally Flashing ON OFF indicates that unit is performing diagnostics first second following power up or has failed diagnostics after a few seconds Status Yellow Flashing ON OFF indicates an over under range condition exists at an input Relay 1 Alarm Yellow Constant ON indicates alarm condition for relay 1 During field configuration this LED has a different function see below Relay 2 Alarm Yellow Constant ON indicates alarm condition for relay 2 During field configuration this LED has a different function see below Field Configuration Mode Run Green Turned OFF in field configuration mode Status Yellow Blinks each time the SET push button is pressed to capture an input signal during field configuration mode Relay 1 Alarm Yellow Constant ON or flashing ON OFF indicates whether configuration parameter 1 or 2 respectively of relay 1 is being programmed in field configuration mode see Table 6 Relay 2 Alarm Yell
10. 959 NT Configuration Program amp Serial Port Adapter Configuration is normally done prior to field installation since field configurability via the module s push buttons is generally limited to setpoint and deadband adjustments where applicable See the Alarm Configuration Manual 8500 563 for instructions Mounting Refer to the Enclosure Dimensions Drawing 4501 631 for alarm 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 T 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 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 Electrical Connections Terminals can accommodate wire from 14 24 AWG stranded or solid copper Strip back wire insulation 1 4 inch on each lead before installing into the terminal block Input wiring may be shielded or unshielded twisted
11. Supply 15V DC typical current limited to approximately 24mA one per input For use with two wire process current transmitters RELAY OUTPUT SPECIFICATIONS DPDT ALARM OUTPUT x1xx This model contains a single DPDT electromechanical relay comprised of two high reliability Form C Normally Open and Normally Closed contacts The DPDT relay option is only available on single input models 811A DPDT Alarm Relay Specifications Electrical Life CSA Ratings 25VDC 5A 10 operations resistive 48VDC 0 8A 10 operations resistive 240VDC 0 1A 10 operations resistive 120 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 634 Contact Material Silver Nickel AgNi 90 10 Initial Dielectric Strength Between open contacts 1000VAC rms 1 minute Expected Mechanical Life 30 million operations Note External relay contact protection is required for use with inductive loads see Relay Contact Protection Drawing 4501 625 Failure to use adequate protection may reduce contact life or damage the unit Relay Response No Relay Time Delay Relay contacts will switch within 150ms 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 SPDT ALARM OUTPUT x2xx This model contains two independent electromechanical relay
12. current inputs e Wide Ambient Operation The unit is designed for operation over wide ambient temperatures Convenient Input Excitation Supply Each input includes an excitation supply for operation with two wire transmitters High Power SPDT or DPDT Relays The module includes either one Double Pole Double Throw DPDT electro mechanical relay or two Single Pole Double Throw SPDT electromechanical relays for switching voltages to 230VAC at currents to 5A Fully Isolated Input s power and relay contacts are all isolated from each other Dual input units share a common and do not provide input to input isolation e Self Diagnostics Built in routines operate upon power up for reliable service easy maintenance and troubleshooting LED Indicators A green LED indicates power A yellow status LED turns on if input signal is out of calibrated range A yellow alarm LED indicates when a relay is in alarm These LED s have other functions in field program mode e Wide Range DC Powered This device receives power over a wide DC supply range and the power terminal is diode coupled This makes the alarm useful for systems with redundant supplies and or battery backup power Hardened For Harsh Environments The unit will operate reliably in harsh industrial environments and includes protection from RFI ESD Surges and EFT Convenient Mounting Removal amp Replacement DIN Rail mounting and plug in type
13. inserted at the other side Connectors are industry standard screw clamp type and accept a wide range of wire sizes The safe compact rugged reconfigurable and reliable design of this alarm makes it an ideal choice for control room and field applications Custom alarm configurations are also available please consult the factory Key IntelliPack 8114 812A Features e Agency Approvals CE UL Listed amp cUL Listed e Windows Configuration Fully reconfigurable via our user friendly Windows 95 or NT Configuration Program Nonvolatile Reprogrammable Memory This module has an advanced technology microcontroller with integrated non volatile downloadable flash memory and EEPROM Convenient Field Reprogrammability The unit includes push button reconfiguration of key alarm functions in combination with LED indicators to facilitate in field changes without having to connect a host computer Key IntelliPack 811A 812A Features continued e Wide Alarm Functionality The unit may be programmed for a wide range of alarm types including limit window on off controller deviation dual input models peak detection and rate of change alarms Other functions are possible please consult the factory Flexible DC Current Voltage Inputs Accepts process current 0 24 or wide range voltage inputs to 100VDC Optional AC Current Input An optional AC current sensor can be purchased separately to support AC
14. other end connects to the IntelliPack s process current input terminals Input Burden A function of the wire gauge resistance used for primary turns the current carrying wire being monitored AC Current Sensor to Transmitter Wiring Distance 400 feet maximum for 18 gauge wire Other wire gauges can be used as long as the resistance of both wires is less than 5 Input Overload The AC current sensor will withstand overload conditions as follows e 20 times full scale for 0 01 seconds 10 times scale for 0 1 seconds e 5 times full scale for 1 0 second 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 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 inspec
15. over the entire input range The relay will trip on an increasing signal for a high setpoint and on a decreasing signal for a low setpoint Alarm Deadband Deadband is associated with each setpoint and is programmable over the entire input range Deadband determines the amount the input signal has to return into the normal operating 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 IMPORTANT Noise and or jitter on the input signal has the effect of reducing narrowing the 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 Indicators One yellow LED per relay provides a visual status indication of when relays are in alarm Relay Time Delay Programmable from Oms to 4 seconds in 100ms increments for this model used to help filter input transients and avoid nuisance alarming A minimum delay of 100ms default is recommended for increased noise immunity and conformance to applicable safety standards Relay Operating Mode User configurable for failsafe operation relay deenergized
16. 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 alarm contacts and power wiring be separated from input signal wiring for safety and low noise pickup Input power and relay terminals are plug in type and can be easily removed to facilitate module removal or replacement without removing individual wires Be sure to remove power and or disable the load before unplugging the terminals to uninstall the module 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 632 Variations 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 75 C The power terminal is diode coupled for reverse polarity protection 2 DC Voltage Current Inputs Without AC Current Sensor Connect input s per Drawing 4501 632 Observe proper polarity see label for input type An excitation supply is provided at the input terminals for two wire transmitters Dual input models do not provide input to input isolation 3 AC Current Input Optional Refer to Drawing 4501 633 to connect the optional AC current sensor This sensor is typically mounted near
17. terminal blocks for input power and relay contact wiring makes replacement and removal easy High Resolution Precise A D Conversion Alarms include an advanced high resolution low noise Sigma Delta Analog to Digital Converter Z A ADC for high accuracy and reliability Individual Relay Functionality Each relay of dual relay units may be programmed for different functions Failsafe Non Failsafe Relay Operation The unit may be configured for failsafe or non failsafe relay operation Configurable Setpoint With Deadband Programmable deadband is associated with each setpoint to eliminate relay chatter and prolong contact life Configurable Latching or Momentary Alarms These alarms may be configured for automatic alarm reset or 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 alarm and transmitter types to serve a wide range of applications please consult the factory IntelliPack Series 812A 811A Alarm User s Manual Dual amp Single DC Voltage Current Inputs IntelliPack Configuration Software Model 5030 881 IntelliPack alarms and transmitters are configured using this user friendly Windows 95 or NT Configuration Program This software also i
18. the C suffix for optional factory configuration See Factory Configuration Order Form 8500 584 for this model Otherwise no suffix is required for standard configuration Module programming alarm operation and use of the Configuration Software is covered in the IntelliPack Alarm Configuration Manual 8500 563 DESCRIPTION Series 811A 812A Alarms are members of the popular Acromag IntelliPack Alarm amp Transmitter family and these models accept DC current DC voltage and AC current using an external sensor inputs Output options are two Single Pole Double Throw SPDT electro mechanical relays or one Double Pole Double Throw electro mechanical relay All units 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 configurable via our user friendly Windows 95 or NT configuration program In field reconfiguration 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 either DC Voltage or process current input signals Wide range bipolar DC voltage inputs to 100VDC are possible The 811A has a single input while the 812A provides two inputs On board excitation is provided at each input to facilitate two wire transmitter
19. 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 625 for details IMPORTANT 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 IntelliPack Series 812A 811A Alarm User s Manual Dual amp Single DC Voltage Current Inputs 5 Grounding See Electrical Connections Drawing 4501 632 The module housing is plastic and does not require an earth ground connection However there are mounting positions on the input terminals to connect a cable shield plus earth ground These connections are isolated from the input circuit and are recommended to minimize noise and help protect the unit from damaging input transients WARNING For compliance to applicable safety and performance standards the use of shielded cable is recommended as shown in Drawing 4501 632 Further the application of earth ground must be in place as shown in Drawing 4501 632 Failure to adhere to sound wiring and grounding practices may compromise safety amp performance 3 0 MODULE CONFIGURATION The alarm module needs to be configured for your application Alarm configuration is done using Acromag
20. the AC current measured and will transmit a low level DC milliampere signal to the module This allows the module to be mounted remote from the AC signal and sensor and connected using small gauge wire The sensor output Red Black wires can be shorted open circuited or removed from the alarm input terminals without hazard to personnel or to the sensor As an isolated device this sensor may be used to facilitate input to input isolation on dual input units AC Current Sensor Per Table 2 on Page 4 loop the required number of turns through the toroid for the full scale current range required by your application Use the cable tie provided with the sensor to mechanically secure it DANGER If the AC current sensor is used with an AC Current Transformer C T disconnect power from the C T or short the output of the C T before removing the wire going through the AC current sensor If this is not done an open circuited C T will generate hazardous high voltages and possible C T damage 4 Output Contacts Wire relay contacts as shown in Electrical Connections Drawing 4501 632 See the Alarm Relay Specifications for power capacity If necessary an interposing relay can be used to switch higher currents as shown in Interposing Relay Connection Drawing 4501 634 Electromechanical Relay Contact Protection To maximize relay life with inductive loads external protection is required For DC inductive loads place a diode across
21. Acromag 9 IntelliPack Series 812A 811A Alarms Process Current Voltage 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 562 K04J008 IntelliPack Series 812A 811A Alarm User s Manual Dual amp Single DC Voltage Current Inputs 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 tree canes ats Key IntelliPack 811 812 Features ACCESSORY ITEMS IntelliPack Configuration Software IntelliPack Seri
22. D GENERATE GROUND LOOPS AND MEASUREMENT ERROR FOR COMPLIANCE TO APPLICABLE SAFETY AND PERFORMANCE STANDARDS THE USE OF SHIELDED CABLE IS RECOMMENDED AS SHOWN ADDITIONALLY THE APPLICATION OF EARTH GROUND MUST BE IN PLACE AS SHOWN IN THIS DRAWING FAILURE TO ADHERE TO SOUND WIRING AND GROUNDING PRACTICES MAY COMPROMISE SAFETY AND PERFORMANCE SAFETY GUIDELINES MAY REQUIRE THAT THIS DEVICE BE HOUSED IN AN APPROVED METAL ENCLOSURE OR SUB SYSTEM PARTICULARLY FOR APPLICATIONS WITH VOLTAGES GREATER THAN OR EQUAL TO 75VDC 50VAC 4501 632C SJes Wel VLLS VCL8 Seues sjndu 1ueuno eBeyoA abuis jeng 9L CAUTION DO NOT CONNECT AC CURRENT DIRECTLY TO MODULE INPUT TERMINALS INTELLIPACK INPUT WIRE NUT LEADS NOTE DESIGN ALLOWS CONNECTIONS FIGURE 1 AT B OPENS OR SHORTS nc EXC Ee AC CURRENT RED i SENSOR i RTN ER U YT SHLD NEM L MEO lt x 400 FEET 18 GA WIRE 5 OHMS AC CURRENT 5 AMPS INSULATED FULL SCALE WIRE NOTE 1 THIS GROUND CONNECTION 4 TURNS IS RECOMMENDED IF UNIT HAS TWO 12 IN INPUTS GROUND ONLY ONE INPUT DO FIGURE 2 RED NOT CONNECT THE SECOND INPUT EL TO GROUND AS THIS WOULD PRODUCE A GROUND LOOP TURN COUNT NUMBER OF WIRES PASSING THROUGH CENTER HOLE SEE INPUT RANGE SELECTION TABLE AC CURRENT TABLE
23. R AC CURRENT 5 ship ONLY SENSOR EARTH GROUND A 2 DO CONNECT ANGER HIGH VOLTAGE ACCURRENT lt SEE NOTE 1 FULL SCALE 1 TURN AC CURRENT DIRECTLY TO INPUT TERMINALS AC CURRENT SENSOR CONNECTIONS 4501 633B enue N SJes Wel VLLS VCL8 Seues sjndu 1ueun2 eBeyoA abuis jeng 2 NOTES ALL RELAY CONTACTS SHOWN N DE ENERGIZED CONDITION TYPICAL DIN RAIL MOUNTED RELAY 8XXA RELAY OUTPUT RELAY 1 RELAY 2 NC Y coy com Y No 46 45 44 43 42 41 PROTECTION gt J DC RELAY POWER OO A e LOCATE RELAY NEAR LOAD DC POWERED INTERPOSING RELAY TYPICAL DIN RAIL MOUNTED RELAY CONTACT PROTECTION E Te DI o 5 S AC RELAY POWER y O O DD gt e a LOCATE RELAY NEAR LOAD AC POWERED INTERPOSING RELAY
24. R LED GREEN JUSUUU 299999 M DC CURRENT S STATUS LED YELLOW 46 45 44 43 42 41 36 35 34 33 32 31 1 EARTH GROUND O lt RELAY 1 LED YELLOW 3525525 ge N C s RELAY 2 LED YELLOW aly nn 656 AC CURRENT i Y Y RELAY SEE NOTE 2 RELAY 1 RELAY 2 POWER SENSOR aep wires 11182 wove MODE SWITCH ADR 5020 350 BLACK WIRE NC Exc Nc OM COM ANO NCI QO Ive O ser SET SWITCH RELAY 1 DPD O t S RELAY 1 RELAY 2 811A 0100 RTN O RELAY 1 RESET SWITCH EAT SHLD 811A 0200 AC CURRENT 18 enon 812A 0200 812A 0200 SENSOR INPUT LL EARTH GROUND INPUT 1 INPUT2 NOTE 1 CONFIGURATION PORT FOR 4m a Jm 2 MODULE CONFIGURATION AS sr IEF Bos 2 EF UNIPOLAR OR BIPOLAR VOLTAGE S SEE USERS MANUAL r1 12 13 14 15 16 21 22 23 24 25 26 AARAA RRRRRR VOLTAGE 9 71 pa 3 Ki NOTE 2 8114 0200 AND ARARA SOURCE 812 0200 MODELS ONLY TBI TE UG 5 RIN TB1 SS SISSS SHLD DC VOLTAGE S REMOVABLE H is H SHIELDED CABLE nort EARTH GROUND TELS NAP BLOCKS EARTH GROUND INPUT CONNECTIONS WARNING SEE INPUT CONNECTIONS AT LEFT NOTE 1 THIS GROUND CONNECTION IS RECOMMENDED FOR BEST RESULTS FOR DUAL INPUTS GROUND ONLY ONE INPUT DO NOT CONNECT THE SECOND INPUT TO GROUND AS THIS WOULD PRODUCE A GROUND LOOP IF SENSORS INHERENTLY CONNECTED TO GROUND USE CAUTION AND AVOID MAKING ADDITIONAL GROUND CONNECTIONS WHICH COUL
25. T Configuration Variables High or Low Limit Alarm Relay Alarm Delay Automatic Reset or Latching Failsafe Non Failsafe RELAY CONTACT OUTPUTS Relay 811A 0200 SPDT Relay 811A 0100 DPDT Relay 812A 0200 SPDT 4501 695A enue N SJes WEI VLLS VCL8 Seues sjndu 1ueun2 eBeyoA ejBurs jeng INTEL 486 OR HIGHER PROCESSOR RUNNING WIN95 OR WIN NT PC RUNNING ACROMAG CONFIGURATION SOFTWARE INTELLIPACK SERIAL ADAPTER ATTACH ADAPTER TO COM1 OR COM2 ON THE PC COM PORTS ARE SOFTWARE CONFIGURED RJ11 JACK 6 CONDUCTOR RJ11 PLUG 6 CONDUCTOR 9 PIN CONNECTOR DB9S Jt MATES TO THE DB9P MODEL 5030 913 CONNECTOR AT THE SERIAL PORT OF THE HOST COMPUTER SERIES 8xxA SEA COMPUTER CONNECTIONS 25 8 lt EAE 5030 902 RJ11 PLUG 6 CONDUCTOR 6 FOOT CABLE 10 TO 36VDC POWER RUN PWR LED GREEN STATUS LED YELLOW RELAY 1 LED YELLOW RELAY 2 LED YELLOW MODE SWITCH SET SWITCH RELAY 1 RESET SWITCH RELAY 2 RESET SWITCH CONFIGURATION PORT FOR AL PORT ADAPTER S TO INTELLIPACK CABLE CABLE SCHEMATIC REFERRED TO AS REVERSE TYPE
26. al Port Adapter IntelliPack IntelliPack Interface Optional AC Current Sensor 2 0 PREPARATION FOR USE UNPACKING AND INSPECTION INSTALLATION 0 01 Mo riting t reete o tt eet ema Electrical Connections 3 0 MODULE CONFIGURATION FIELD CONFIGURATION 4 0 THEORY OF OPERATION 5 0 SERVICE AND REPAIR SERVICE AND REPAIR ASSISTANCE PRELIMINARY SERVICE PROCEDURE 6 0 SPECIFICATIONS MODEL NUMBER INPUT RELAY OUTPUT SPECIFICATIONS Alarm Relay Specifications SPDT Alarm Relay Specifications ENCLOSURE PHYSICAL SPECIFICATIONS APPROVALS ENVIRONMENTAL SPECIFICATIONS FIELD CONFIGURATION amp CONTROLS ODDOWDONNNNNNNDOAGTAHPAAHRAHRHRWBWWNDND HOST COMPUTER COMMUNICATION 10 SOFTWARE
27. als 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 the IntelliPack module IntelliPack Software Interface Package Model 800C SIP The IntelliPack 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 AC Current Sensor Model 5020 350 This optional sensor is an accurate toroidal instrument transformer used to convert a sinusoidal 50 60Hz AC current signal into a low level DC milliampere signal of O to 11 17mA The input AC current range is a simple function of the number of turns placed through the toroid as shown in Table 2 This sensor is isolated and requires no calibration or adjustment When used with an IntelliPack module it provides redundant input isolation and may facilitate input to input isolation on dual input units Table 2 AC Current Sensor Turns amp Range AC Current Primary Sensor Output Input Range Turns Red Black Wires 0 to 20A AC 0 to 11 17mA DC 4 2 Oto2A4AC OtgAAC 0 The output wires of this sensor are polarized with red as plus and black as minus Normally these output wires are attached to one end of a user supplied cable while the
28. ammed parameter values to calculate deadband where applicable Table 5 Relay Config Parameter 2 Per Alarm Function Deviation Alarm Both Deviation Dropout Value 9 If two relays are being programmed Press the MODE push button again to complete the first relay program cycle and repeat the above procedure steps 4 8 to configure parameters for relay 2 relay 2 LED will light Run LED will still be off You may skip relay 2 by pressing MODE again as in step 10 10 After configuring relay 1 and relay 2 where applicable press the MODE push button again to complete the program sequence and return to run mode The green Run LED will turn ON This indicates that the unit has returned to the operating mode and the yellow relay LED s will now reflect actual alarm status per your application Notes Field Program Procedure 1 During field configuration of dual relay models the relay LED will be ON or FLASHING corresponding to the relay being programmed and the parameter being adjusted as in Table 6 Table 6 Field Configuration Relay LED Mode Indication ALARM RELAY 1 or 2 LED FUNCTION ON FLASHING HI LO Setpoint HI LO Dropout High Setpoint Low Setpoint Deviation Rate Of Change IntelliPack Series 812A 811A Alarm User s Manual Dual amp Single DC Voltage Current Inputs Notes Field Program Procedure continued 2 Ifthe alarm is in configuration mode and no push but
29. deviation alarms dual input models peak detect alarms or rate of change alarms Other functions are possible please consult the factory An optional AC current sensor Acromag Model 5020 350 is used in conjunction with the DC current input circuit of the 811 812A to implement an AC current alarm for inputs up to 20A rms The optional AC current sensor is itself an isolated accurate toroidal instrument transformer that outputs a safe low level DC milliamp signal to the input of the alarm As an isolated device it may also be used to facilitate input to input isolation on dual input models See AC Current Sensor section for more information All IntelliPack modules are designed to withstand harsh industrial environments They feature RFI EMI ESD EFT and surge protection low temperature drift wide ambient temperature operation and isolation from input to power and relay contacts 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 Alarm relay and power wiring are inserted at one side of the unit while input wiring is
30. ents given assume the input excitation supplies are delivering full scale currents all relays are energized and the Serial Port Adapter is connected An internal diode provides reverse polarity protection CAUTION Do not exceed 36VDC peak to avoid damage to the module Table 8 Supply Current Versus Voltage Supply Maximum Supply Current Voltage 812A 0200 811A 0200 811A 0100 250mA 170mA 160mA Note Disconnecting the Serial Port Adapter and or unloading the optional excitation supplies will reduce the supply current consumption considerably 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 00196 of input span change per volt DC for rated power supply variations 60 120 Hz Ripple Less than 0 0196 of input span per volt peak to peak of power supply ripple Isolation Input relay contacts and power 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 Dual input units share common and isolation does not apply from input
31. hookup Each relay has a yellow LED at the front of the module that provides a visual indication of the high or low alarm condition Additionally a green and yellow Status LED provide local feedback of operating mode field configuration status and System diagnostics Front panel push buttons are available to reset latching alarms and to facilitate field configuration IntelliPack Series 812A 811A Alarm User s Manual Dual amp Single DC Voltage Current Inputs The module uses high resolution low noise Sigma Delta Analog to Digital Converter Z A ADC to accurately convert the input signal into a digitized value User defined alarm setpoints are compared to this value and used to control the built in alarm relay s Each relay may have high or low setpoints plus deadband Both the alarm setpoints and deadband may be adjusted over the full input range of the unit Relay actuation is user selected for failsafe or non failsafe operation Relays may be configured as latching in which case a push button reset is required to reset the latch this may also be accomplished via software control Additionally a programmed relay time delay may be applied to filter transients and minimize nuisance alarms Wide alarm functionality and convenient reprogrammability makes these alarms extremely powerful and flexible over a broad range of applications These models may be configured as limit alarms window alarms on off controllers
32. 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 11 Relay Reset Relays may be configured to automatically reset when inputs retreat past their setpoints and deadband or relays may latch into their alarm state One push button reset switch per relay is located on the front of the module and is used to reset a latched relay this may also be accomplished under software control A latched relay cannot be reset until its input signal has returned into its normal operating range with deadband applied and after the relay time delay Note that when the input returns to or leaves the normal operating range the relay and its LED will transfer after the relay time delay has expired That is time delay applies to both activating and deactivating the relay 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 this module as follows Monitors the input signal values and alarm status 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 rep
33. l purpose plastic enclosure with an integrated DIN rail mount for high density mounting approximately 1 wide per unit Dimensions 1 05 wide x 4 68 high x 4 35 deep 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 14 24 stranded or solid copper Separate terminal blocks provided for power input s amp relay contacts For supply connections use No 14 AWG 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 the general safety requirements of the above standards Warning This product is not approved for hazardous location applications 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 the supply voltage and model number see Table 8 Curr
34. laced or a module s functionality is updated Provides controls to separately calibrate each input circuit It also provides controls to restore the original factory input calibration in case of error Provides controls to reset a module Provides controls to reset latched alarm same effect as push button alarm reset at the module 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 via this software e Allows a module s complete configuration to be printed in an easy to read one or two page format including user documentation For complete information on the IntelliPack Configuration Software refer to Alarm Configuration Manual 8500 563 CL d MODEL 8114 0100 SINGLE INPUT SINGLE RELAY N N RELAY 1 RELAY 1 FUNCTION INPUT 4 DPDT CONFIGURATION PORT SCREW TERMINAL NUMBER Rutt 6 CONDUCTOR B MODEL 811A 0200 SINGLE INPUT DUAL RELAY ISO ATIS RELAY 1 Exc Q WIRE SINGLE RERA EFUNG TION SPDT V
35. ly the Run LED will stop flashing after two seconds and then 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 and this will usually cure the problem If the diagnostics indicate a problem via 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 IntelliPack 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 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 812A 0200 Dual I V Input Dual SPDT Relay 811A 0200 Single I V Input Dual SPDT Relay 811A 0100 Single Input Single Relay General The IntelliPack 811A and 812A are DC powered alarms which condition DC current DC voltage and AC current using an external sensor and provide either two Single Pole Double Th
36. ncludes the IntelliPack Alarm Configuration Manual 8500 563 and IntelliPack Transmitter Configuration Manual 8500 570 These manuals describe software operation and various alarm and transmitter functions in detail All alarm functions are programmable and downloadable to the alarm modules via this software Non volatile memory provides program configuration and data storage within the IntelliPack 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 power from the IntelliPack module The adapter has a DB9S connector that mates to the common DBS9P 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 sign
37. ngineering Units Volts DC Milliamperes DC Amps AC with AC Amp Sensor Reading on PC Monitor r Alarm Operating Functions Limit Alarm Window Alarm ON OFF Controller Peak Valley Alarm Digital Process Variable Input 2 PV 2 Engineering Units Volts DC Milliamperes DC Amps AC with AC Amp Sensor Reading on PC Monitor Analog INPUT type Sensor Trim Z amp FS MODEL 812A 0200 ONLY ANALOG INPUT A B Rate of Change Alarm Key Alarm Parameters per Alarm Function Configuration Software or Push Buttons ANALOG INPUT 1 Input Sensor Types Milliamperes DC Volts DC Millivolts DC Amps AC with AC Amp Sensor Note Each INPUT is independent Analog INPUT type Sensor Trim Z amp FS SENSOR ALARM FUNCTION ALARM OUTPUT INPUT BLOCK BLOCK BLOCK Counts r Alarm Operating Functions INPUT 2 m Limit Alarm z Window Alarm 2 ON OFF Controller gt Peak Valley Alarm S Rate of Change Alarm cd e Key Alarm Parameters O gt gt per Alarm Function Configuration Software or Push Buttons Counts SENSOR INPUT BLOCK MODELS 8114 0100 811A 0200 812A 0200 ALARM FUNCTIONAL BLOCK DIAGRAM ALARM FUNCTION BLOCK ALARM OUTPUT BLOCK Configuration Variables High or Low Limit Alarm Relay Alarm Delay Automatic Reset or Latching Failsafe Non Failsafe RELAY CONTACT OUTPUTS Relay 811A 0200 SPDT Relay 812A 0200 SPD
38. ow Constant ON or flashing ON OFF indicates whether configuration parameter 1 or 2 respectively of relay 2 is being programmed in field configuration mode see Table 6 HOST COMPUTER COMMUNICATION Host Communication Port SPI The IntelliPack Serial Peripheral Interface SPI port utilizes a standard RJ11 6 wire phone jack Configuration information is downloaded from the host computer through one of its EIA232 serial ports The serial port must be connected to the module through an IntelliPack Serial Port Adapter which serves as an isolated interface converter between EIA232 and the IntelliPack module s SPI port standard RJ11 phone jack Baud Rate EIA232 19 2K baud SOFTWARE CONFIGURATION Units are fully reprogrammable via the 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 635 The following attributes are selectable via the Configuration Software Applicable attributes and their functions may vary with respect to the alarm model and operating function Refer to the IntelliPack Alarm Configuration Manual 8500 563 for a more detailed explanation of these attributes and their application 10 Input 1 amp Input 2 Configuration Input Range The alarm input can be configured to accept any of the input ranges described in the Input Specifica
39. per its embedded program Configuration and calibration parameters are stored in non volatile memory within the microprocessor A wide input switching regulator isolated flyback mode provides isolated 5V power to the circuit plus a 15V excitation supply 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 configuration parameter verification setpoint deadband etc Since Surface Mount 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 may 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 complete details on how to obtain 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 Run LED flashes If the diagnostics complete successful
40. row SPDT electromechanical alarm relays or one Double Pole Double Throw DPDT electro mechanical alarm relay Isolation is supplied between the sensor input the relay contacts and power This alarm is DIN rail mounted The unit is configured and calibrated using our user friendly Window 950 IntelliPack Configuration Program Push buttons on the module allow field adjustment of setpoint and deadband where applicable calibration and configuration information is stored in non volatile reprogrammable memory in the module MODEL NUMBER DEFINITION Alarms are color coded with a yellow label The prefix 8 denotes the IntelliPack Series 800 while the A suffix specifies that outputs are alarm contacts 812A Monitors two DC voltage or current inputs or AC current inputs using an external sensor 811A Monitors a single DC voltage or current input or AC current input using external sensor 0x00 Numbers in this model suffix represent the following options respectively Options 0 None reserved for future use Output 1 One DPDT relay described subsequently Output 2 Two SPDT relays described subsequently Enclosure 0 DIN rail mount described subsequently Approvals 0 Pending please consult the factory IntelliPack Series 812A 811A Alarm User s Manual Dual amp Single DC Voltage Current Inputs INPUT SPECIFICATIONS Unit must be wired and configured for the intended input
41. s Each relay contains high reliability Form C Normally Open and Normally Closed SPDT contacts One relay is assigned to each input of dual input models 812A both relays to the same input on single input models 811A Each relay may have any alarm operating function assigned to it SPDT Alarm Relay Specifications Electrical Life CSA Ratings 25VDC 5A 10 operations resistive 48VDC 0 8A 10 operations resistive 240VDC 0 1A 10 operations resistive 120VAC 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 634 Contact Material Silver cadmium oxide AgCdO Initial Dielectric Strength Between open contacts 1000VAC rms IntelliPack Series 812A 811A Alarm User s Manual Dual amp Single DC Voltage Current Inputs Expected Mechanical Life 20 million operations Note External contact protection is required for use with inductive loads see Contact Protection Drawing 4501 625 Failure to use adequate protection may reduce contact life or damage the unit Relay Response No Relay Time Delay Relay contacts will switch within 150ms 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 ENCLOSURE PHYSICAL SPECIFICATIONS See Enclosure Dimensions Drawing 4501 631 for details Units are packaged in a genera
42. s Windows 95 or NT Configuration Program and the IntelliPack Serial Port Adapter Configuration details are covered in Alarm Configuration Manual 8500 563 Limited field configuration via the module s push buttons and LED s is covered below FIELD CONFIGURATION This program mode allows adjustment to key alarm parameters in the field without having to connect a host computer Field reconfigurability is accomplished via the alarm module s MODE amp SET push buttons and the alarm LED s see Drawing 4501 631 Field reconfiguration via these controls will vary depending on the alarm function see Table 6 Equipment Required e An accurate input source voltage or current adjustable over the range required for alarm setpoint and dropout deadband Two input sources are required for deviation alarms Note For best results the input source s must be accurate beyond the required specifications For voltage inputs use a voltage source with an output impedance of 1000 or less General Field Programming Procedure The following procedure uses the corresponding relay LED indicators constant ON or FLASHING to indicate which relay parameters relay 1 or 2 are being modified see Table 6 CAUTION To avoid damage to the unit do not insert sharp or oversized objects into the push button switch openings When depressing the push buttons use a blunt tipped object and apply pressure gradually until you feel or hear the tactile response
43. ted for evidence of mishandling prior to applying power This circuit utilizes static sensitive components and should only be handled at a static safe workstation CAUTION SENSITIVE ELECTRONIC DEVICES DO NOT SHIP OR STORE NEAR STRONG ELECTROSTATIC ELECTROMAGNETIC MAGNETIC OR RADIOACTIVE FIELDS INSTALLATION The alarm 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 for best performance As shipped from the factory the unit is factory calibrated for all valid input ranges and has the default configuration shown in Table 3 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 IntelliPack Series 812A 811A Alarm User s Manual Dual amp Single DC Voltage Current Inputs Table 3 811A 812A Default Factory Configuration L ALARM1 ALARM2 4 po RELAY RELAY2 Notes Table 3 Shaded entries do not apply to Model 811A 0100 units Your application may differ from the default configuration and will require the alarm to be reconfigured to suit your needs This is accomplished with Acromag s user friendly Windows
44. time Note that latching relays are not applicable to On Off Controllers Deviation Dual Input Models Only The deviation alarm positive negative or absolute uses the difference between inputs to generate the alarm condition One input is selected to serve as the reference and the deviation of the other input is measured from this Positive deviation is determined via input1 input2 negative deviation via input2 input1 and absolute deviation is determined via the absolute value of input1 input2 The relay will enter the alarm state when the deviation limit has been exceeded for the specified amount of time The relay remains in the alarm state until the signal has retreated to within the deviation limit plus any deadband for the specified amount of time Peak Valley Detection An alarm condition is produced for a user defined peak max or valley min condition of the desired input signal The peak valley detection function will not activate until the input signal has exceeded the user specified peak or valley start sensing level for the user specified amount of time delay Once the peak valley function has been activated the input is monitored to detect a retreat in the input by an amount specified as the deadband value When this occurs the relay will enter the alarm state no delay applies The relay remains in the alarm state until the signal has further retreated beyond a user specified deactivate value no delay applies
45. tions using the IntelliPack Configuration Software Input Calibration The configuration software can be used to calibrate the input conditioning circuit of this module Alarm 1 amp Alarm 2 Configuration Each input of this model may be configured for one of six different alarm types operating functions Alarm Operating Functions The following gives a brief description of current available alarm functions for this model Other modes are possible please consult the factory Limit Alarm Limit alarms have only a single high or low setpoint applied to an input at a time The relay will enter the alarm state when either the user defined high or low setpoint is exceeded for the specified amount of time Relay remains in alarm until the input has retreated past the setpoint plus any deadband for the specified amount of time Window Window alarms have both high and low setpoints input at a time The relay will enter the alarm state when either the user defined high or low setpoint is exceeded for the specified amount of time Relay remains in alarm until the input signal has retreated past the defined setpoint plus any deadband for the specified amount of time On Off Controller The relay will enter the alarm state when the on setpoint has been exceeded for the specified amount of time Relay remains in alarm until the input signal has retreated past the off setpoint deadband does not apply for the specified amount of
46. to input Input to Input Isolation None dual input units share a circuit common and are not isolated from each other Installation Category Designed to operate in an Installation Category Overvoltage Category environment per IEC 1010 1 1990 Radiated Field Immunity Complies with IEC1000 4 3 Level 3 10V m 80 to 1000MHz AM amp 900MHz keyed 27 to 500MHZz and European Norm EN50082 1 Electromagnetic Interference Immunity EMI No relay trips will occur beyond 0 25 of input span from setpoint under the influence of EMI from switching solenoids commutator motors and drill motors Electrical Fast Transient Immunity EFT Complies with IEC1000 4 4 Level 3 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 50082 1 Surge Immunity Complies with IEC1000 4 5 Level 3 2 0KV and European Norm EN50082 1 Radiated Emissions Meets or exceeds European Norm 50081 1 for class B equipment FIELD CONFIGURATION AND CONTROLS Field programmability of key alarm functions e g setpoint and deadband is accomplished with module push buttons and LED indicators in the absence of a host computer However the unit must be configured initially using the IntelliPack Configuration Software before alarm setpoint or deadband can be changed in the field IntelliPack Series
47. tons are pressed after 2 minutes then the alarm will return to normal operating mode the green Run LED will light and no changes will be made to the previously configured values 3 Latching alarms require a push button reset to exit the alarm state this may also be accomplished under software control 4 Deadband and latching relays have no application with respect to on off controller functionality 5 Rate of change units volts second are software configured only and not configured via the module s push buttons 6 Note that alarm operating functions may be selected on a per relay basis For example relay 1 could function as a limit alarm monitoring input 1 while relay 2 if present functions as an on off controller monitoring input 2 Note that some functions require the use of both inputs of dual input models 4 0 THEORY OF OPERATION Refer to Drawing 4501 625 to gain a better understanding of the circuit These alarms will pre filter a signal and convert the signal to a scaled voltage either through a voltage divider circuit voltage inputs or a current sink resistor current inputs An A D converter stage then applies appropriate gain to the signal digitally filters it and performs analog to digital conversion The digital signal is then transmitted serially to a microcontroller The microcontroller compares the signal value to the limit value according to the alarm type and completes all necessary alarm functions
48. type and range see Installation Section for details The following paragraphs summarize this model s input types ranges and applicable specifications DC Process Current 0 to 22mA DC amp 0 5mA DC A precision 24 90 current sink resistor converts the input current to a voltage that is processed by the A D converter An optional external sensor is required to monitor AC current signals Acromag Model 5020 350 This sensor generates a DC milliampere signal of 0 to 11 17mA for the module see Table 2 for scaling to AC current This module also provides one excitation supply per input 15VDC 24mA for use with 2 wire transmitters Current Input Reference Test Conditions 4 to 20mA current input using the on board excitation supply Ambient 25 C Power Supply 24V DC Relay Time Delay 100ms Input Overvoltage Protection Bipolar Transient Voltage Suppressers TVS 7 6V clamp level typical DC Voltage 100 1 Input Divider User configurable for the following bipolar voltage ranges 50 to 100V 25 to 50V 12 to 25V 6 to 12V 3 to 6V amp 1 to 3V Input Impedance 500KQ Voltage Input Reference Test Conditions 10 to 10V DC Input Ambient 25 Power Supply 24 Relay Alarm Delay 100ms Input Overvoltage Protection Bipolar Transient Voltage Suppressers TVS 135V clamp level typical General Specifications Accuracy Better than 0 05 of input span typical Accuracy Versus Temperature
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