USER`S MANUAL
Contents
1. NOTES ALL RELAY CONTACTS SHOWN 8XXA RELAY OUTPUT N DE ENERGIZED CONDITION RELAY 1 RELAY 2 TYPICAL DIN RAIL MOUNTED RELAY NOW Y No PROTECTION ue NO A 4 de Y 46 45 44 43 42 41 POWER T ee 0 DIODE W _ DC RELAY POWER 1 ae bo SE cedi 10 TO 36VDC GROUND T lt D JE __ LOCATE RELAY NEAR LOAD TH eeeeee LL22 EARTH GROUND DC POWERED INTERPOSING RELAY UUBUUU JUUUUU 46 45 44 43 42 41 36 35 34 33 32 31 585585 ge gos TYPICAL DIN RAIL MOUNTED RELAY RELAY 1 RELAY 2 POWER CONTACT H PROTECTION D ks N D RELAY 1 DPDT D D y SERIES 8XXA ALARM SIDE VIEW 5 ae MOV qv AC RELAY POWER 37 L1 ME INPUT 1 INPUT 2 JE a 8 12 13 14 15 16 Mr 22 23 24 25 26 LOCATE RELAY NEAR LOAD LRARAA AA TB1 AOSS AC POWERED INTERPOSING RELAY INPUT CONNECTIONS SERIES 8xxA INTERPOSING RELAY CONNECTIONS 4501 634A2. Series 801A Alarm User s Manual Single mV TC RTD Input DC Voltage See Table 9 User configured for 7 bipolar DC voltage ranges shown in Table 9 Voltage Input Reference Test Conditions Input 15 6mV range Setpoint at 10mV Deadband 0 5mV Alarm Type Failsafe High Limit Ambient Temperature 25 Power Supply 24V DC Alarm delay 200ms Input bias current 25nA maximum General Input Specifications Accuracy For RTD and TC inputs see Tables 7 amp 8 Voltage input accuracy is better than 0 05 typical Accuracy includes repeatability linearization reference junction error TC inputs but does not include sensor error Accuracy Versus Temperature Better than 0 005 of input span per C or 1uV C whichever is greater Resolution Resolution for each range is given in Table 9 Response Time Less than 200ms 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 X A ADC Noise Rejection Normal Mode Better than 40dB 60Hz typical with 1000 input unbalance 100 for Cu RTD Noise Rejection Common Mode Better than 130dB 60Hz typical with 100Q input unbalance 100 for Cu RTD Analog to Digital Converter A D A 16 bit A converter Analog Devices AD7714AR 5 Conv
3. SJasp 7108 seues GLY OL AW
4. 22222 2121212122 T RAIL DIN MOUNTIN DIN EN 50022 35mm 6 811 SCREWDRIVER SLOT FOR REMOVAL FROM T RAIL YEZ 7 69 AAAAAA Y seess SSSSS A J lt 1 05 gt 26 7 NOTE ALL DIMENSION ARE IN INCHES MILLIMETERS INTELLIPACK ENCLOSURE DIMENSIONS 4501 631A SJasn v L09 seues GLY OL AW JUMPER EXC IN FOR 3 WIRE RTD MODEL 801A 0100 exc SINGLE INPUT SINGLE RELAY ES fe IN QG TC RID INPUT RELAY FUNCTION DPDT DA 4 0 RELAY P JUMPER RTN TO IN RTN Q FOR TC INPUT MODEL 801A 0200 Ex SINGLE INPUT DUAL RELAY S 3 SPDT RELAY 1 FUNCTION m RELAY 1 f EN INE Q TCX RTD INPUT mn 2 v 79 3 SPDT RELAY 2 FUNCTION RELAY 2 Q Ke ALARM DEFINITIONS a FIGURE A DC INDUCTIVE LOADS LOAD dev YY RELAY CONTACTS pe es IN4006 OR EQUIVALENT FIGURE B AC INDUCTIVE LOADS LOAD Qac CY YT RELAY CONTACTS i GE MOV METAL OXIDE VARISTOR A RELAY CONTACT PROTECTION 2 CONFIGURATION PORT RJ11 6 CONDUCTOR 1mA RTD SENSOR EXCITATION SCREW TERMINAL NUMBER NOTE A
5. IntelliPack IntelliPack Interface 2 0 PREPARATION FOR UNPACKING AND INSTALLATION ot iret pio Mo ntirig iere RERUM leer Electrical 3 0 MODULE FIELD 4 0 THEORY OF 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 eee eg ix tegi ENVIRONMENTAL SPECIFICATIONS FIELD CONFIGURATION amp CONTROLS HOST COMPUTER COMMUNICATION SOFTWARE Page co I AA IIR
6. RTN FOR VOLTAGE INPUT eoe VOLTAGE JUMPER IN TO RTN AND EXC TO IN FOR RESISTANCE INPUT RESISTANCE 7 DECADE 6 7 ELECTRICAL CONNECTIONS MODELS 801A 0100 AND 801A 0200 NOTE 1 THIS GROUND CONNECTION IS RECOMMENDED FOR BEST RESULTS IF SENSORS ARE INHERENTLY CONNECTED TO GROUND USE CAUTION AND AVOID MAKING ADDITIONAL GROUND CONNECTIONS WHICH COULD GENERATE GROUND LOOPS AND MEASUREMENT ERROR WAR SOURCE eeoa NING IN EXC RTN IN EXC RTN DUAL SPDT RELAY OUTPUT RELAY 1 RELAY 2 N C MECHANICAL RELAY CONTACTS COM Yno DC L CONTACTS ARE SHOWN IN DE ENERGIZED CONDITION POWER N O 10TO36VDC T EARTH GROUND 154 AIP AP PO 212121021212 1 S Acromag j RUN PWR LED GREEN po SS gUUUUE RU STATUS LED YELLOW 46 45 44 43 42 41 36 35 3433 32 31 OO st wz2e2z2 202 tg RELAY 1 LED YELLOW v soose uc
7. and other functions are possible please consult the factory All IntelliPack modules are designed to withstand harsh industrial environments They feature RFI EMI ESD SWC and EFT protection plus low temperature drift wide ambient temperature operation and isolation from input to power and relay contacts Units are also wide range DC powered and the power input terminal is diode coupled This provides reverse polarity protection and allows the module to be powered from DC power networks that incorporate battery back up power The unit may connect to redundant power supplies or several units may safely share a single DC supply Units are DIN rail mounted and removable terminal blocks facilitate ease of installation or replacement without having to remove wiring Alarm relay and power wiring are inserted at one 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 alarm makes it an ideal choice for control room and field applications Custom alarm configurations are also available please consult the factory Key IntelliPack 801A Features e Agency Approvals CE UL Listed amp cUL Listed e Windows Configuration Fully configurable via our user friendly Windows 95 or Configuration Program Nonvolatile Reprogrammable Memory This modu
8. relay contacts and power This alarm is DIN rail mounted The unit is configured and calibrated using our user friendly Window 95 or NT IntelliPack Configuration Program Push buttons on the module allow field adjustment of setpoint and deadband where applicable All calibration and configuration information is stored in non volatile reprogrammable memory in the module MODEL NUMBER DEFINITION IntelliPack 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 801A Monitors a single DC millivoltage thermocouple TC or resistance temperature detector RTD input 0x00 Numbers in this model suffix represent the following options respectively Options 0 None reserved for future use Output 1 One DPDT relay 2 Two SPDT relays Enclosure 0 DIN rail mount described below Approvals 0 CE UL Listed and cUL Listed 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 RTD User configured to one of four RTD types as shown in Table 7 Module provides sensor excitation linearization lead wire compensation and sensor break detection Reference Test Conditions Input Pt RTD Limit Alarm Setpoint at 100 C Ni 50 C
9. 000 INO PD List of Drawings Page Enclosure Dimensions 4501 631 11 Simplified Schematic amp Contact Protection 4501 628 12 Functional Block Diagram 4501 690 13 Computer to IntelliPack Connections 4501 635 14 Electrical Connections 4501 637 15 Interposing Relay Connections 4501 634 16 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 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 801A _ 0200 optional 801A _ 0100 optional Notes Table 1 1 Agency approvals include CE UL Listed and cUL Listed 2 Include the C suffix to specify optional factory config
10. Cu 250 C Pt Deadband 1 C Alarm Type Failsafe High Limit Ambient Temperature 25 Power Supply 24 DC Alarm Delay 200ms Input Configuration Two three or four wire Kelvin or compensation loop Excitation Current 1mA DC typical all types Linearization Better than 0 25 C typical Lead Wire Compensation Inherent for 3 wire and 4 wire RTD s The maximum lead resistance is 25Q per lead Pt 200 per lead Ni 100 per lead Cu All lead wires must be of equal size and length Lead Resistance Effect 3 5 C per Q of unbalance Pt typical 1 4 C per of unbalance Ni typical 25 5 C per of unbalance Cu typical Break Detection RTD sensor failure can be configured for either upscale or downscale detection Note that an RTD measurement of exactly 00 will be detected as a break Table 7 RTD Types Ranges and Accuracy mpna Range RTD Type Alpha Range Accuracy DIN IEC JIS 1989 850 C Old JIS 1981 850 C 80 to Ni 1200 1 6720 0 25 7 120 320 100 14272 20010 1 00 16 9 260 Notes Table 7 1 Alpha is used to identify the particular RTD curve The value of alpha is derived by dividing the resistance of the sensor at 100 C by the resistance at 0 C a R4oo c Rosc For Pt 1000 this is 138 500 100 000 or 1 3850 also shown as 0 003850 0 2 The linear resistance input range approa
11. Drawing 4501 628 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 4 Grounding See Electrical Connections Drawing 4501 637 The module housing is plastic and does not require an earth ground connection WARNING For compliance to applicable safety and performance standards the use of shielded cable is recommended as shown in Drawing 4501 637 Further the application of earth ground must be in place as shown Failure to adhere to sound wiring and grounding practices may compromise safety and performance 3 0 MODULE CONFIGURATION The alarm module needs to be configured for your application Alarm configuration is done using Acromag s Windows 95 or NT Configuration Program and the IntelliPack Serial Port Adapter Configuration details are covered in Alarm Configuration Manual 8500 563 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 and SET push buttons and the alarm LED s see Drawing 4501 631 Field reconfiguration via these c
12. IntelliPack Configuration Software to reconfigure the module or re download its firmware 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 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 also available from Acromag Series 801A Alarm User s Manual Single mV TC RTD Input 6 0 SPECIFICATIONS 801A 0200 C Single mV TC RTD Input Dual SPDT Relays 801A 0100 C Single mV TC RTD Input Single DPDT Relay General The IntelliPack Model 801A is a DC powered alarm which conditions either a single thermocouple RTD millivolt or resistance input and provides either two Single Pole Double Throw SPDT electromechanical alarm relays or one Double Pole Double Throw DPDT electromechanical alarm relay Isolation is supplied between the sensor input the
13. life Configurable Latching 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 Configuration Software Model 5030 881 IntelliPack alarms and transmitters are configured using this user friendly Windows 95 or NT Configuration Program This software includes the IntelliPack Alarm Configuration Manual 8500 563 and IntelliPack Transmitter Configuration Manual 8500 570 These manuals describe the software operation and various alarm and transmitter functions in detail All alarm functions are programmable and downloadable to the alarm modules via this software Additionally this software can also be used to monitor input values and alarm status calibrate the input and CJC circuits reset the module or reset latched alarms It also allows optional user information to be written to the module such as tag number comment configured by location and identification information Further it provides a convenient method of printing the module s configuration in an easy to read one or two page forma
14. material be saved for future use in the event the product must be shipped 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 rated 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 Table 3 801A Default Factory Configuration amp Calibration Temp Units _ Temp Units m Compensation ___________ ALARMI ALARM2 _____ Shaded entries apply only to 801A 0200 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 959 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 setpoint and deadband adjustments where applicable See the Alarm Configuration Manual 8500 563 for instructions Mounting Refer to Enclosure Dimensions Drawing 4501 631 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 m
15. provides a visual indication of the high or low alarm condition Additionally a green and yellow Status LED provides local feedback of the operating mode field configuration status and system diagnostics Front panel push buttons are available to reset the optional latching alarms and to facilitate field configuration The module uses a high resolution low noise Sigma Delta Analog to Digital Converter Z A ADC to accurately convert the input signal into a digital value User defined alarm setpoints are compared to this digital value and are used to control the built in alarm relay s Each relay operates independently and may have separate functions assigned 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 also 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 Series 801A Alarm User s Manual Single mV TC RTD Input Wide alarm functionality and convenient reconfigurability 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 peak detect alarms or rate of change alarms
16. Acromag 7 IntelliPack Series 801A Alarms mV TC RTD 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 564 H06G008 Series 801A Alarm User s Manual Single mV TC RTD Input Safety Summary Symbols on equipment The information contained 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 Means Caution refer to this manual for additional information Table of Contents 1 0 DESCRIPTION Key IntelliPack 801A Features ACCESSORY IntelliPack Configuration Software IntelliPack Serial Port Adapter
17. E DB9P MODEL 5030 913 CONNECTOR AT THE SERIAL PORT OF THE HOST COMPUTER SERIES 8xxA COMPUTER CONNECTIONS DE RST COM OORUN 6 FOOT CABLE MODEL 5030 902 SERIAL PORT ADAPTER TO INTELLIPACK CABLE CABLE SCHEMATIC REFERRED TO AS REVERSE TYPE 10 36VDC POWER RJ11 PLUG 6 CONDUCTOR Acroma RUN PWR LED GREEN Osa STATUS LED YELLOW RELAY 1 LED YELLOW RELAY 2 LED YELLOW MODE SWITCH O set SET SWITCH nsr1 RELAY 1 RESET SWITCH RsT2 RELAY 2 RESET SWITCH CONFIGURATION PORT FOR gt MODULE CONFIGURATION SEE USER S MANUAL INTELLIPACK MODULE 4501 635A SJasp v L09 seues GLY OL AW GL 8 7 4 WIRE J RTD KELVIN NOTE 1 gt JUMPER EXC TO IN FOR EXCITATION JUMPER EXC TO IN 181 FOR EXCITATION 2 WIRE RTD a eleloo JUMPER IN TO RTN FOR TWO WIRE RTD JUMPER EXC TO IN 4 WIRE hn m RID ti re W LOOP ATIS S NOTE p JUMPER IN TO RTN FOR TC INPUT JG LEER INPUT lt JUMPER IN
18. JUMPER IN AND EXC FOR 3 WIRE RTD EXCITATION MICROCONTROLLER 16 BIT A D AND SUPPORT LOGIC INPUT SIGNAL CONVERTER CONDITIONING AND MULTIPLEXER INTEGRATED EEPROM AND FLASH MEMORY NOTE B JUMPER IN AND RTN FOR THERMOCOUPLE INPUT TEMP SENSOR IS MOUNTED TEMP MODEL 801A 0200 OUTPUT ISOLATION 46 45 1 44 LL NC1 32 42 0 4 L 2 NC2 SENSOR IN FIRST TWO POSITIONS OF EE TERMINAL BLOCK FRONT PANEL FOR MODEL 801A 0100 LED S AND SWITCHES A RELAY IS USED 36 _ 35QNC POWER 4 ISOLATION 3 10 36VDC Qpc SWITCHER 20 pc 319 MODEL 801A SIMPLIFIED SCHEMATIC MODEL 801A SIMPLIFIED SCHEMATIC AND RELAY CONTACT PROTECTION 4501 628B lenuey s Jes v L09 seues GLY OL AW ejBurs L r Alarm Operating Functions Limit Alarm Window Alarm ON OFF Controller Peak Valley Alarm Rate of Change Alarm Key Alarm Parameters per Alarm Function Configuration Software or Push Buttons Digital Process Variable PV amp Engineering Units Degrees C Millivolts Reading on PC Monitor ALARM FUNCTION Analog INPUT type Sensor Trim Z amp FS TC RTD Linearization T C CJC On Off RTD Wiring 2 3 4 Wire Sensor Break UP DN r Alarm Operating Functi
19. RELAY 2 LED YELLOW 4 alpen 88 SEE NOTE 3 BELOW RELAY 1 RELAY 2 POWER MODE SWITCH 801A 0200 SET SWITCH RELAY 1 DPDT 801A 0100 RELAY 1 RESET SWITCH RELAY 2 RESET SWITCH 801A 0200 SEE NOTE 3 BELOW 801A 0100 CJC INPUT 1 CONFIGURATION PORT FOR 4 _ 55 MODULE CONFIGURATION Y 2595 SEE USER S MANUAL 11123314 75 T NOTE 3 RELAY 2 LED AND RST2 PUSH BUTTON ARE TB1 ON 8014 0200 ONLY TB1 220202 1 11 12 REMOVABLE RESERVED REMOVABLE FOR THE CJC TEMPERATURE PLUG IN TYPE SHIELDED CABLE SENSOR DO NOT CONNECT TERMINAL BLOCKS TO THESE TERMINALS UY INPUT CONNECTIONS SEE INPUT CONNECTIONS AT LEFT 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 637C lenuey s es v L09 seues GLY OL AW ejBurs OL
20. T 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 amp relay contacts For supply connections use No 14 AWG copper wires rated for at least 75 C Case Material A general purpose NEMA Type 1 enclosure of self extinguishing NYLON type 6 6 polyamide thermoplastic UL94 V 2 color beige Printed Circuit Boards Military grade FR 4 epoxy glass Shipping Weight 1 pound 0 45 Kg packed Series 801A Alarm User s Manual Single mV TC RTD Input 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 locations 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 see Table 10 Currents given assume the Serial Port Adapter is connected An internal diode provides reverse polarity protection CAUTION Do not exceed 36VDC peak to avoid damage to the modul
21. ack 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 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 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 2 CAUTION SENSITIVE ELECTRONIC DEVICES DO NOT SHI OR STORE NEAR STRONG ELECTROSTATIC ELECTROMAGNETIC This circuit utilizes static sensitive MAGNETIC OR RADIOACTIVE FIELDS components and should only be handled at a static safe workstation 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
22. ches 00 but does not include 00 If exactly 00 is measured the selected break detection is triggered Thermocouple User configured for 8 types of thermocouples as shown in Table 8 Supports J K T R S E B and N TC types Linearization cold junction compensation and open circuit or lead break detection is included TC Input Reference Test Conditions All TC Types With 10mV Setpoints Example Type J at 186 C Deadband 1 C Alarm Type Failsafe High Limit Ambient Temperature 25 Power Supply 24 DC Alarm Delay 200ms TC Input Bias Current 25nA maximum TC mV inputs 35nA typical TC break Thermocouple Reference Accurate to better than 0 4 C typical at 25 C 0 01 C per C over temperature TC Linearization Within 0 25 C of the NIST tables TC Break Detection TC sensor failure can be configured for either upscale or downscale detection Table 8 TC Types Ranges and Accuracy TC ISA ANSI Typical Type Color Range Accuracy J lron white 210 to 0 5 C __ Chromel yellow 200 to 0 5 C Biase erc _ T Copper blue 260 to 0 5 _ Pt 13 Rh black 50 to 1 0 C Pt 10 Rh black 50 to 1 0 C fred are P Constantan Pt 10 Rh Pt 6 Rh N Nicrosil NISIL E Chromel purple 200 to 0 5 C Constantan red 1000 C gray 260 to red 1820 C orange 230 to red 170 C 170 to 1300 C
23. de provides isolated 5 power to the circuit 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 alarm configuration parameter setpoint deadband etc verification 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 5 Service Policy Bulletin or contact Acromag for complete details on how to obtain service parts and repair PRELIMINARY SERVICE PROCEDURE Before beginning repair make sure 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 successfully the Run LED will stop flashing after two seconds and remain ON This indicates the unit is operating normally If the Run LED continues to flash this is indicative of a problem In this case use the
24. e Table 10 Supply Current Supply Supply Current Supply Current Voltage Relays Off Relays On 120mA Note Disconnecting the Serial Port Adapter will reduce power supply current consumption an average of 15 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 51 Power Supply Effect DC Volts Less than 0 001 of input span change per volt DC for rated power supply variations 60 120 Hz Ripple Less than 0 01 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 Complies with test requirements outlined in ANSI ISA 82 01 1988 for voltage rating specified 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 and European Norm EN50082 1 Electrical Fast Transient Immunity EFT Complies with IEC1000 4 4 Level 3 2KV power 1KV signal lines and European Norm EN50082 1 Elect
25. ersion Rate 5 conversions per second Overvoltage Protection Bipolar Transient Voltage Suppressers TVS at each lead 7 6V clamp level typical Table 9 Resolution Per Applicable Range RELAY OUTPUT SPECIFICATIONS DPDT ALARM OUTPUT x1xx These units contain a single DPDT electromechanical relay comprised of two high reliability Form C Normally Open and Normally Closed contacts DPDT Alarm Relay Specifications Electrical Life CSA Ratings 28VDC 5A 3x10 operations resistive 250VDC 0 28A 3x10 operations resistive 250VAC 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 gt 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 628 Failure to use adequate protection may reduce contact life or damage the unit Relay Response No Relay Time Delay Relay contacts will switch within 300ms 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 These models contain two independent SPDT electro mechanical relays Each relay contains high reliability SPDT F
26. le 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 e Wide Alarm Functionality The unit is configurable for a wide range of alarm types including limit window on off controller peak detection or rate of change alarms Other functions are possible consult the factory Flexible DC Voltage Thermocouple RTD Inputs Accepts either DC voltage thermocouple or RTD input signals Linearization lead break detection and TC reference junction compensation are included e True 4 Wire Kelvin Measurement Improves performance of 4 wire RTD measurements High Power SPDT Relays The module includes either one Double Pole Double Throw DPDT electro mechanical relay or two Single Pole Double Throw SPDT electro mechanical relays for switching voltages to 220VAC at currents up to 5A Fully Isolated Input power and relay contacts all isolated from each other e Self Diagnostics Built in routines operate upon power up for reliable service easy maintenance and troubleshooting Key IntelliPack 801A Features continued LED Indicators green LED indicates power yellow status LED will turn on for an open sens
27. n Off Controllers Peak Valley Detection An alarm is produced for a user defined peak max or valley min condition of the input signal The peak valley detection 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 alarm until the signal has further retreated beyond a user specified deactivate value no delay applies Note if the start value is greater than the deactivate value then a peak condition will be detected Otherwise a valley detection will be made 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 The relay remains in the alarm state until the input signal s rate of change has retreated below a user specified dropout rate of change value The input signal rate of change is calculated as a running average of 5 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 uni
28. ons Limit Alarm Window Alarm ON OFF Controller Peak Valley Alarm Rate of Change Alarm Key Alarm Parameters per Alarm Function Configuration Software or Push Buttons 0020 V108 1HdOW Counts ANALOG INPUT Counts Input Sensor Types Configuration Variables High or Low Limit Alarm Relay Alarm Delay Automatic Reset or Latching Failsafe Non Failsafe RELAY CONTACT OUTPUTS Relay 801A 0200 SPDT ALARM OUTPUT BLOCK BLOCK Configuration Variables High or Low Limit Alarm Relay Alarm Delay Automatic Reset or Latching Failsafe Non Failsafe RELAY CONTACT OUTPUTS Relay 801A 0200 SPDT Relay 801A 0100 DPDT Thermocouple SENSOR ALARM FUNCTION ALARM OUTPUT INPUT BLOCK BLOCK BLOCK MODEL 801A 0200 801A 0100 ALARM FUNCTIONAL BLOCK DIAGRAM 4501 690A SJasp 7108 seues GLY OL AW INTEL 486 OR HIGHER PROCESSOR RUNNING WIN95 OR WIN NT PC RUNNING ACROMAG CONFIGURATION SOFTWARE ATTACH ADAPTER TO COM1 OR COM2 ON THE PC COM PORTS ARE SOFTWARE CONFIGURED RJ11 JACK 6 CONDUCTOR RJ11 PLUG 6 CONDUCTOR INTELLIPACK SERIAL ADAPTER lt 9 PIN CONNECTOR EE d MATES TO TH
29. ontrols will vary depending on the alarm function see Table 6 Equipment Required e An accurate input source voltage or resistance adjustable over the range required for alarm setpoint and dropout A thermocouple or RTD calibrator may also be used Note For best results the input source 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 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 1 Connect a precision voltage source thermocouple calibrator or RTD calibrator to the input as required refer to Electrical Connections Drawing 4501 637 Be sure to include input terminal jumpers according to your input type 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 green 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 s
30. or or if the input signal is out of range A yellow alarm LED indicates when a relay is in alarm These LED s also 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 for reverse polarity protection This makes the alarm useful for systems with redundant supplies and or battery back up power e 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 surges and EFT plus low radiated emissions per CE requirements Convenient Mounting Removal amp Replacement DIN Rail mounting and plug in type terminal blocks for input power and relay contact wiring make 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 may be configured for a different function Failsafe or Non Failsafe Relay Operation The unit may be configured for failsafe or non failsafe relay operation Configurable Setpoint With Deadband Configurable deadband is associated with each setpoint to eliminate relay chatter and prolong contact
31. orm C contacts Normally Open and Normally Closed Both relays may have different alarm functions assigned to them 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 3x104 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 Expected Mechanical Life 20 million operations Note External contact protection is required for use with inductive loads see Contact Protection Drawing 4501 628 Failure to use adequate protection may reduce contact life or damage the unit Relay Response No Relay Time Delay Relay contacts will switch within 300ms 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 Units are packaged in a general purpose plastic enclosure that is DIN rail mountable for flexible high density approximately 1 wide per unit mounting See Enclosure Dimensions Drawing 4501 631 for details Dimensions Width 1 05 inch Height 4 68 inches Depth 4 35 inches see Drawing 4501 631 DIN Rail Mounting xx0x DIN rail mount Type EN50022
32. ounting 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 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 DIN rail Series 801A Alarm User s Manual Single mV TC RTD Input Electrical 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 may be shielded or unshielded 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 alarm contacts and power wiring be separated from the input signal wiring for safety and low noise pickup Input power and relay terminal blocks 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
33. r lead break or over under range condition exists at the input Relay 1 Alarm Yellow Constant ON indicates alarm condition for relay 1 Relay 2 Alarm Yellow Constant ON indicates alarm condition for relay 2 Field Configuration Mode Run Green Turned OFF in this mode Status Yellow Blinks each time the SET 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 of relay 1 is being programmed in this mode see Table 6 Relay 2 Alarm Yellow Constant ON or flashing ON OFF indicates whether configuration parameter 1 or 2 of relay 2 is being programmed in this 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 Reprogrammable non volatile memory integrated within microcon
34. r 2 3 or 4 wire Kelvin or compensation loop RTD sensors Input Calibration The configuration software can be used to calibrate the input conditioning circuit of this module Alarm Configuration Alarm Operating Functions The following gives a brief description of current available alarm operating functions for this model Other modes are possible consult the factory Limit Alarm Relay will enter the alarm state when 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 Limit alarms have a single high or low setpoint applied to an input at a time Window 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 Window alarms have both high and low setpoints on an input at a time On Off Controller The relay will enter the alarm state when the setpoint has been exceeded for the specified amount of time this allows input transients to be filtered The relay remains in the alarm state until the input signal has retreated past the off setpoint deadband not applicable for the specified amount of time Note that the latching relay function is not applicable to O
35. romagnetic 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 Surge Immunity Complies with IEC1000 4 5 Level 3 2 0KV 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 Radiated Emissions Meets or exceeds European Norm EN50081 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 Note The unit must first be configured using the IntelliPack Configuration Software before alarm setpoint or deadband can be changed in the field 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 the 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 open senso
36. s 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 4 Latching alarms require a push button reset to exit the alarm state this may also be accomplished under software control 5 Deadband and latching relays have no application with respect to on off controller functionality 6 Rate of change units volts second are software configured only and not configured via the module s push buttons 7 that alarm operating functions may be selected on a per relay basis For example relay 1 could function as a limit alarm monitoring the input while relay 2 if present functions as an on off controller monitoring the input 4 0 THEORY OF OPERATION Refer to Drawing 4501 628 to gain a better understanding of the circuit Note that these alarms will pre filter a signal and convert the signal to a scaled voltage 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 microprocessor The microprocessor compares the signal value to the limit value according to the alarm type and completes all necessary alarm functions per its embedded program The program configuration and calibration parameters are stored in non volatile memory within the microcontroller A wide input switching regulator isolated flyback mo
37. t Series 801A Alarm User s Manual Single mV TC RTD Input IntelliPack Serial Port Adapter Model 5030 913 The IntelliPack Serial Port 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 A separate cable is required to connect the adapter to the module The adapter has 0895 connector that mates to the DB9P connector typically available at the serial port of the host computer The adapter also has a 6 wire RJ11 phone jack to connect to the IntelliPack alarm module via an interconnecting cable described below This adapter connects to the host computer s EIA232 port and operates transparent to the user It requires no user adjustment and no external power The adapter receives its power from the IntelliPack module 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 Serial Port Adapter to the IntelliPack module This cable carries the SPI data and clock signals reset signal and 5V power amp ground signals The cable is 7 feet long and has a 6 wire RJ11 plug connector at both ends which snap into jacks on the Serial Port Adapter and the IntelliPack module IntelliP
38. tep 6 4 Adjust the input source s to the relay parameter 1 level shown in Table 4 according to your alarm function Table 4 Relay Config Parameter 1 Per Alarm Function ALARM FUNCTION PARAMETER 1 Limit Alarm High or Low Setpoint Level Window Alarm High Setpoint Value On Off Controller Controller On Setpoint Value Peak Valley Detector Peak Valley Detect Start Value Rate of Change Alarm Rate Of Change Threshold 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 will be captured Series 801A Alarm User s Manual Single mV TC RTD Input General Field Programming Procedure continued 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 as in Table 5 Table 5 Relay Config Parameter 2 Per Alarm Function ALARM FUNCTION PARAMETER 2 Limit Alarm Setpoint Dropout Value Window Alarm Low Setpoint Value On Off Controller Controller Off Setpoint Level Peak Valley Detector Peak or Valley Dropout Value Rate of Change Dropout Rate for Rate of Change 7 Adjust the input source 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 programmed parameter
39. 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 637 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 Input Connect input per Electrical Connections Drawing 4501 637 Observe proper polarity when making connections see label for input type Note that one or more input jumpers may be required depending on your input type 3 Output Contacts Wire relay contacts as shown in Electrical Connections Drawing 4501 637 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 the load 1N4006 or equivalent with the cathode to and anode to For AC inductive loads place a Metal Oxide Varistor MOV across the load See Relay Contact Protection
40. troller makes remote firmware calibration and configuration changes easy A cable 5030 902 and converter 5030 913 are required to complete the interface Software Interface Package 800C SIP Series 801A Alarm User s Manual Single mV TC RTD Input 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 Input Configuration Input Type Selection The alarm can be configured to accept any of the input types ranges described in the Input Specifications using the IntelliPack Configuration Software Temperature Units Can be configured to use C F or K units Cold Junction Compensation CJC Thermocouple Inputs Must be set to ON when directly connecting a thermocouple to the module default CJC can be set to OFF when connecting a millivolt source representing temperature directly to the module s input terminals Note Before calibrating a TC input with CJC ON allow the module to warm up for at least 10 minutes for best performance Sensor Break Detection Temperature sensor failure TC or RTD can be configured for upscale or downscale detection RTD Input Wiring The RTD wiring must be specified for proper lead wire compensation Alarm can be configured fo
41. ts second selected during software configuration may be adjusted in the field via the module s push buttons amp LED s Alarm Input The alarm input signal range is the full range for the configured input type Example If a Type J TC was selected using the configuration program the alarm can be programmed to any setpoint from 200 C to 760 C independent of input calibration Alarm Setpoint High or low setpoints plus deadband may be assigned to each relay and are configurable 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 configurable 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 It is normally used to eliminate false trips or alarm chatter caused by fluctuations in the input near the alarm point Deadband may also apply to latched alarms If the alarm is latching it is recommended that 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 Relay Alarm Dela
42. uration No suffix required for standard configuration Module programming alarm operation and the IntelliPack Configuration Software is covered in the IntelliPack Alarm Configuration Manual 8500 563 DESCRIPTION The Series 801A Alarm is another member of the popular Acromag IntelliPack Alarm amp Transmitter family and these models accept DC millivoltage thermocouple TC or resistance temperature detector RTD inputs Output options are two Single Pole Double Throw SPDT electromechanical relays or one Double Pole Double Throw DPDT electromechanical 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 reconfigurable via a user friendly Windows 95 or NT IntelliPack Configuration Program Limited field reprogrammability is also accomplished 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 Each module provides a single input for either DC millivolts thermocouple or RTD signals RTD sensor excitation linearization lead wire compensation and lead break detection are included Thermocouple reference junction compensation linearization and open circuit or TC break detection is also provided Each relay has a yellow LED on the front of the module that
43. values to calculate deadband where applicable 9 If two relays are to be programmed press the MODE button again to complete the first relay program cycle and then repeat the above procedure steps 4 8 to configure parameters for relay 2 relay 2 LED will light Run LED will still be off 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 the unit has returned to the operating mode and the yellow relay LED s will now reflect actual alarm status per your application 10 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 2 To summarize the green Run LED is turned off in field configuration mode The yellow Status LED blinks each time SET is pressed in configuration mode to indicate that the current input level has been captured The yellow relay LED s are ON or flashing according to the parameter being set and the relay being programmed in configuration mode 3 If the alarm is in field configuration mode and no push buttons are pressed after 2 minute
44. y Configurable from Oms to 4 seconds in 200ms increments for this model used to help filter input transients and avoid nuisance alarming A minimum delay of 200ms default is recommended for increased noise immunity and conformance to applicable safety standards Alarm Indicators One yellow LED per relay provides a visual status indication of when relays are in alarm Automatic Reset or Latching Relay Action Relays may be configured for auto reset when the 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 exit the latched state this may also be done via 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 Time delay applies to both activating amp deactivating the relay Relay Failsafe Non Failsafe Operating Mode User configurable for failsafe operation relay deenergized 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
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