Rockwell-automation 1746-NR4 SLC RTD/Resistance Input Module User Manu Manual de usuario

SLC 500 RTD/Resistance Input Module1746-NR4User Manual

Publication 1746-UM008B-EN-P - December 200610 PrefaceNotes:

Publication 1746-UM008B-EN-P - December 2006100 Module Diagnostics and TroubleshootingA series of internal diagnostic self-tests is performed w

Publication 1746-UM008B-EN-P - December 2006Module Diagnostics and Troubleshooting 101The LED Indicator Status Description table explains the f

Publication 1746-UM008B-EN-P - December 2006102 Module Diagnostics and TroubleshootingError Codes The error codes applicable to the RTD module

Publication 1746-UM008B-EN-P - December 2006Module Diagnostics and Troubleshooting 103Open- and Short-circuit DetectionAn open- or short-circui

Publication 1746-UM008B-EN-P - December 2006104 Module Diagnostics and TroubleshootingPossible causes of an out-of-range condition include the

Publication 1746-UM008B-EN-P - December 2006Module Diagnostics and Troubleshooting 105Troubleshooting Flowchart... ..Check LEDindicators onmodu

Publication 1746-UM008B-EN-P - December 2006106 Module Diagnostics and TroubleshootingReplacement PartsThe RTD module has the following replace

107 Publication 1746-UM008B-EN-P - December 2006Chapter 8Application ExamplesThis chapter provides two application examples to help you use the RTD in

Publication 1746-UM008B-EN-P - December 2006108 Application ExamplesChannel ConfigurationConfigure the RTD channel with the following setup:• 2

Publication 1746-UM008B-EN-P - December 2006Application Examples 109Program ListingBecause a seven-segment LED indicator display is used to dis

11 Publication 1746-UM008B-EN-P - December 2006Chapter 1OverviewThis chapter describes the four-channel 1746-NR4 RTD/Resistance Input Module and expla

Publication 1746-UM008B-EN-P - December 2006110 Application ExamplesProgram to Convert °F to BCD 15Rung 2.0First Pass Bit] [S:1MOVESource N10:0

Publication 1746-UM008B-EN-P - December 2006Application Examples 111Supplementary ExampleThis example provides the application setup, channel c

Publication 1746-UM008B-EN-P - December 2006112 Application ExamplesChannel ConfigurationSee completed worksheet in Channel Configuration Works

Publication 1746-UM008B-EN-P - December 2006Application Examples 113Channel Configuration Worksheet (With Settings Established)Input Type Selec

Publication 1746-UM008B-EN-P - December 2006114 Application ExamplesProgram Setup and Operation Summary1. Set up two configuration words in mem

Publication 1746-UM008B-EN-P - December 2006Application Examples 115Program ListingThe first two rungs of this program send the correct channel

Publication 1746-UM008B-EN-P - December 2006116 Application ExamplesRung 2.4TO BCDSource I:1.2Dest O:5.0Write RTD Module SteamTemperature to D

117 Publication 1746-UM008B-EN-P - December 2006Appendix ASpecificationsThis appendix lists the specifications for the 1746-NR4 RTD Input Module.1746-

Publication 1746-UM008B-EN-P - December 2006118 SpecificationsPhysical SpecificationsLED indicators 5 green status indicators, one for each of

Publication 1746-UM008B-EN-P - December 2006Specifications 119Module AccuracyChannel turn-off time Requires up to one module update time.Reconf

Publication 1746-UM008B-EN-P - December 200612 Overview Simplified RTD Module CircuitRT DµP CircuitRT D0SenseReturnIC= 0.5 or 2 mAConstant Curr

Publication 1746-UM008B-EN-P - December 2006120 SpecificationsNickel (618)(1)(3)120 Ω -100…260 °C(-148…500 °F)-100 …260 °C(-148…500 °F)0.1 °C(0

Publication 1746-UM008B-EN-P - December 2006Specifications 121When you are using 100 Ω or 200 Ω platinum RTDs with 0.5 mA excitation current, r

Publication 1746-UM008B-EN-P - December 2006122 SpecificationsResistance Device CompatibilityResistance Input SpecificationInput Type Resistanc

123 Publication 1746-UM008B-EN-P - December 2006Appendix BRTD StandardsThe following table shows various international and local RTD standards that ap

Publication 1746-UM008B-EN-P - December 2006124 RTD StandardsNotes:

125 Publication 1746-UM008B-EN-P - December 2006Appendix CConfiguration Worksheetfor RTD/Resistance Module The following configuration procedure and w

Publication 1746-UM008B-EN-P - December 2006126 Configuration Worksheet for RTD/Resistance Module2. Select a data format for the data word valu

Publication 1746-UM008B-EN-P - December 2006Configuration Worksheet for RTD/Resistance Module 1276. Determine the desired input filter frequenc

Publication 1746-UM008B-EN-P - December 2006128 Configuration Worksheet for RTD/Resistance Module11. Build the channel configuration word for e

Publication 1746-UM008B-EN-P - December 2006Configuration Worksheet for RTD/Resistance Module 129Bits 9 and 10Filter Frequency Select00 = 10 Hz

Publication 1746-UM008B-EN-P - December 2006Overview 13RTD CompatibilityThe following table lists the RTD types you can use with the RTD module

Publication 1746-UM008B-EN-P - December 2006130 Configuration Worksheet for RTD/Resistance ModuleNotes:

131 Publication 1746-UM008B-EN-P - December 2006Appendix DI/O ConfigurationThis section contains information on the I/O configuration procedure for RS

Publication 1746-UM008B-EN-P - December 2006132 I/O Configuration3. Click Adv Config to access more configuration options.4. Click Configure to

Publication 1746-UM008B-EN-P - December 2006I/O Configuration 133Each tab is labeled with the corresponding channel that it will configure. The

Publication 1746-UM008B-EN-P - December 2006134 I/O Configuration6. Click OK.RSLogix 500 software automatically places a rung in the ladder log

135 Publication 1746-UM008B-EN-P - December 2006GlossaryThe following terms and abbreviations are specific to this product. For a complete listing of

Publication 1746-UM008B-EN-P - December 2006136 Glossarycut-off frequencyThe frequency at which the input signal is attenuated 3 dB by the digi

Publication 1746-UM008B-EN-P - December 2006Glossary 137full scale range (FSR)The difference between the maximum and minimum specified analog R

Publication 1746-UM008B-EN-P - December 2006138 Glossaryremote configurationA control system where the chassis can be located several thousand

Publication 1746-UM008B-EN-P - December 2006IndexAA/D 135addressing 52configuration word 52addressing example 52data word 53status words 53addressing

Publication 1746-UM008B-EN-P - December 200614 OverviewThis table shows the accuracy and temperature drift. IMPORTANTThe exact signal range val

Publication 1746-UM008B-EN-P - December 2006140 IndexEuropean Union Directives Compliance 33exampleshow to address configuration word 52how to

Publication 1746-UM008B-EN-P - December 2006Index 141repeatability 122resolution 122wiring diagram 44, 45wiring inputs 42programming 87configur

Publication 1746-UM008B-EN-P - December 2006142 Index

Publication CIG-CO521C-EN-P- May 2003 PN957782-91How Are We Doing?Your comments on our technical publications will help us serve you better in the fu

Other CommentsPLEASE FOLD HERENO POSTAGE NECESSARY IF MAILED IN THE UNITED STATESBUSINESS REPLY MAILFIRST-CLASS MAIL PERMIT NO. 18235 CLEVELAND OHPOST

Publication 1746-UM008B-EN-P - December 2006 148 PN XXXXXX-XXSupersedes Publication 1746-6.7 - June 1998 Copyright © 2006 Rockwell Automation, Inc. Al

Publication 1746-UM008B-EN-P - December 2006Overview 15When you are using 100 Ω or 200 Ω platinum RTD units with 0.5 mA excitation current, ref

Publication 1746-UM008B-EN-P - December 200616 OverviewResistance Device CompatibilityThe following table lists the resistance input types you

Publication 1746-UM008B-EN-P - December 2006Overview 17RTD Module HardwareGeneral Diagnostic FeaturesThe RTD module contains diagnostic feature

Publication 1746-UM008B-EN-P - December 200618 OverviewSystem OverviewThe RTD module communicates to the SLC 500 processor through the parallel

Publication 1746-UM008B-EN-P - December 2006Overview 19System OperationThe RTD module has three operational states.• Cycle power• Module operat

Important User InformationSolid state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines

Publication 1746-UM008B-EN-P - December 200620 OverviewThe A/D convertors cycle between reading the RTD or resistance value, the lead wire resi

Publication 1746-UM008B-EN-P - December 2006Overview 21The status of each LED indicator, during each of the operational states (for example, po

Publication 1746-UM008B-EN-P - December 200622 OverviewThe Channel Configuration Words (output image) contain user-defined configuration inform

23 Publication 1746-UM008B-EN-P - December 2006Chapter 2Quick Start GuideThis chapter helps you get started using the RTD module. The procedures inclu

Publication 1746-UM008B-EN-P - December 200624 Quick Start GuideProceduresFollow these procedures to get your RTD module installed and ready to

Publication 1746-UM008B-EN-P - December 2006Quick Start Guide 25Insert the ModuleMake sure system power is off; then insert the RTD module into

Publication 1746-UM008B-EN-P - December 200626 Quick Start GuideRTD Connections to Terminal BlockChl 1ShieldShieldChl 0RT DShieldRT DChl 0Sense

Publication 1746-UM008B-EN-P - December 2006Quick Start Guide 27Two-wire Potentiometer Connections to Terminal BlockAdd jumper.Add jumper.Shiel

Publication 1746-UM008B-EN-P - December 200628 Quick Start GuideThree-wire Potentiometer Connections to Terminal BlockConfigure Your I/OConfigu

Publication 1746-UM008B-EN-P - December 2006Quick Start Guide 29Configure the ModuleDetermine the operating parameters for channel 0. In this e

3 Publication 1746-UM008B-EN-P - December 2006Summary of ChangesNew InformationThe information below summarizes the changes to this manual since the l

Publication 1746-UM008B-EN-P - December 200630 Quick Start GuideProgram the ConfigurationFollow these steps to complete the programming necessa

Publication 1746-UM008B-EN-P - December 2006Quick Start Guide 31Write Remaining Ladder LogicThe Channel Data Word contains the information that

Publication 1746-UM008B-EN-P - December 200632 Quick Start GuideProgram Functional Check (Optional)Monitor the status of input channel 0 to det

33 Publication 1746-UM008B-EN-P - December 2006Chapter 3Install and Wire the ModuleThis chapter tells you how to:• avoid electrostatic damage.• determ

Publication 1746-UM008B-EN-P - December 200634 Install and Wire the Module• Touch a grounded object to rid yourself of electrostatic charge bef

Publication 1746-UM008B-EN-P - December 2006Install and Wire the Module 35Module Location in ChassisThis section contains information on module

Publication 1746-UM008B-EN-P - December 200636 Install and Wire the ModuleFixed Controller Compatibility TableModules NR4 5V dc (Amps) 24V dc (

Publication 1746-UM008B-EN-P - December 2006Install and Wire the Module 37General ConsiderationsMost applications require installation in an in

Publication 1746-UM008B-EN-P - December 200638 Install and Wire the ModuleModule Installation and RemovalWhen installing the module in a chassi

Publication 1746-UM008B-EN-P - December 2006Install and Wire the Module 39Install the Module1. Align the circuit board of the RTD module with t

Publication 1746-UM008B-EN-P - December 20064 Summary of ChangesNotes:

Publication 1746-UM008B-EN-P - December 200640 Install and Wire the ModuleTerminal WiringThe RTD module contains an 18-position, removable term

Publication 1746-UM008B-EN-P - December 2006Install and Wire the Module 41For a three-wire configuration, the module can compensate for a maxim

Publication 1746-UM008B-EN-P - December 200642 Install and Wire the Module• Tighten terminal screws using a flat or cross-head screwdriver. Eac

Publication 1746-UM008B-EN-P - December 2006Install and Wire the Module 43When using a three-wire configuration, the module compensates for res

Publication 1746-UM008B-EN-P - December 200644 Install and Wire the ModuleTwo-wire Potentiometer Connections to Terminal BlockCable ShieldAdd j

Publication 1746-UM008B-EN-P - December 2006Install and Wire the Module 45Three-wire Potentiometer Connections To Terminal BlockCable ShieldRTD

Publication 1746-UM008B-EN-P - December 200646 Install and Wire the ModuleFollow these steps to wire your 1746-NR4 module.1. At each end of the

Publication 1746-UM008B-EN-P - December 2006Install and Wire the Module 47CalibrationThe accuracy of a system that uses the RTD module is deter

Publication 1746-UM008B-EN-P - December 200648 Install and Wire the ModuleYou can command your module to perform an auto-calibration cycle by d

Publication 1746-UM008B-EN-P - December 2006Install and Wire the Module 495. Use the RTD module to determine the temperature equivalent to the

5 Publication 1746-UM008B-EN-P - December 2006Table of ContentsPrefaceUse This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Publication 1746-UM008B-EN-P - December 200650 Install and Wire the ModuleNotes:

51 Publication 1746-UM008B-EN-P - December 2006Chapter 4Preliminary Operating ConsiderationsThis chapter explains how the RTD module and the SLC proce

Publication 1746-UM008B-EN-P - December 200652 Preliminary Operating ConsiderationsModule AddressingThe memory map displays how the output and

Publication 1746-UM008B-EN-P - December 2006Preliminary Operating Considerations 53Chapter 5, Channel Configuration, Data, and Status, gives yo

Publication 1746-UM008B-EN-P - December 200654 Preliminary Operating ConsiderationsChapter 5, Channel Configuration, Data, and Status, gives yo

Publication 1746-UM008B-EN-P - December 2006Preliminary Operating Considerations 55Effective ResolutionThe effective resolution for an input ch

Publication 1746-UM008B-EN-P - December 200656 Preliminary Operating ConsiderationsChannel Cut-off FrequencyThe channel filter frequency select

Publication 1746-UM008B-EN-P - December 2006Preliminary Operating Considerations 5750 Hz Filter Notch Frequency60 Hz Filter Notch Frequency250

Publication 1746-UM008B-EN-P - December 200658 Preliminary Operating ConsiderationsScanning Process and Channel TimingThis section shows how to

Publication 1746-UM008B-EN-P - December 2006Preliminary Operating Considerations 59Channel scanning is sequential and always occurs starting wi

Publication 1746-UM008B-EN-P - December 20066 Table of ContentsChapter 6Ladder Programming ExamplesDevice Configuration . . . . . . . . . . .

Publication 1746-UM008B-EN-P - December 200660 Preliminary Operating ConsiderationsScanning CycleStartChannel 0Channel 1Update Channel 1 data w

Publication 1746-UM008B-EN-P - December 2006Preliminary Operating Considerations 61Channel Turn-on, Turn-off, and Reconfiguration TimeThe table

Publication 1746-UM008B-EN-P - December 200662 Preliminary Operating ConsiderationsInput ResponseWhen a RTD slot is disabled, the RTD module co

63 Publication 1746-UM008B-EN-P - December 2006Chapter 5Channel Configuration, Data, and StatusThis chapter examines the channel configuration word an

Publication 1746-UM008B-EN-P - December 200664 Channel Configuration, Data, and StatusModule default settings for configuration words 0…7 are a

Publication 1746-UM008B-EN-P - December 2006Channel Configuration, Data, and Status 656. If the channel is configured for RTD inputs and engine

Publication 1746-UM008B-EN-P - December 200666 Channel Configuration, Data, and StatusChannel Configuration Word (O:e.0 through O:e.3) - Bit De

Publication 1746-UM008B-EN-P - December 2006Channel Configuration, Data, and Status 67Input Type Selection (Bits 0…3)The input type bit field l

Publication 1746-UM008B-EN-P - December 200668 Channel Configuration, Data, and StatusUsing Scaled-for-PID and Proportional Counts FormatsThe R

Publication 1746-UM008B-EN-P - December 2006Channel Configuration, Data, and Status 69The Linear Relationship Between Temperature and PID Count

7 Publication 1746-UM008B-EN-P - December 2006PrefaceUse This ManualRead this preface to familiarize yourself with the rest of the manual. This prefac

Publication 1746-UM008B-EN-P - December 200670 Channel Configuration, Data, and StatusLinear Relationship Between Temperature and Proportional

Publication 1746-UM008B-EN-P - December 2006Channel Configuration, Data, and Status 71Scaling ExamplesThe following examples are using the defa

Publication 1746-UM008B-EN-P - December 200672 Channel Configuration, Data, and StatusThe Data Formats for RTD Temperature Ranges for 0.5 and 2

Publication 1746-UM008B-EN-P - December 2006Channel Configuration, Data, and Status 73The Data Format for 150 Ω Resistance Input table, the Dat

Publication 1746-UM008B-EN-P - December 200674 Channel Configuration, Data, and StatusThe Channel Data Word Resolution for RTDs table shows the

Publication 1746-UM008B-EN-P - December 2006Channel Configuration, Data, and Status 75Broken Input Selection (Bits 6 and 7)The Bit Descriptions

Publication 1746-UM008B-EN-P - December 200676 Channel Configuration, Data, and StatusTemperature Units Selection (Bit 8)The Bit Descriptions f

Publication 1746-UM008B-EN-P - December 2006Channel Configuration, Data, and Status 77When set (1), the channel enable bit is used by the modul

Publication 1746-UM008B-EN-P - December 200678 Channel Configuration, Data, and StatusScaling Select (Bits 13-14)If you selected proportional c

Publication 1746-UM008B-EN-P - December 2006Channel Configuration, Data, and Status 79User-set ScalingProportional Counts - The second case to

Publication 1746-UM008B-EN-P - December 20068 PrefaceContents of this ManualChapter Title ContentsPreface Describes the purpose, background, an

Publication 1746-UM008B-EN-P - December 200680 Channel Configuration, Data, and StatusUser-set Scaling Using Proportional Counts Data FormatCon

Publication 1746-UM008B-EN-P - December 2006Channel Configuration, Data, and Status 81Unused (Bit 15)Bit 15 is not used. Verify that this bit i

Publication 1746-UM008B-EN-P - December 200682 Channel Configuration, Data, and StatusChannel Status CheckingThe channel status word is a part

Publication 1746-UM008B-EN-P - December 2006Channel Configuration, Data, and Status 83Channel 0…3 Status Word (I:e.4 through I:e.7) - Bit Defin

Publication 1746-UM008B-EN-P - December 200684 Channel Configuration, Data, and StatusInput Type Status (Bits 0…3)The input type bit field indi

Publication 1746-UM008B-EN-P - December 2006Channel Configuration, Data, and Status 85Channel Filter Frequency (Bits 9 and 10) The channel filt

Publication 1746-UM008B-EN-P - December 200686 Channel Configuration, Data, and StatusOut-of-range Error (Bit 14)This bit is set (1) whenever a

87 Publication 1746-UM008B-EN-P - December 2006Chapter 6Ladder Programming ExamplesEarlier chapters explained how the configuration word defines the w

Publication 1746-UM008B-EN-P - December 200688 Ladder Programming ExamplesApplication SetupInitial ProgrammingFollow this example to enter data

Publication 1746-UM008B-EN-P - December 2006Ladder Programming Examples 89Configuration Word SetupThis example transfers configuration data and

Publication 1746-UM008B-EN-P - December 2006Preface 9Additional ResourcesThe following documents contain additional information on Rockwell Aut

Publication 1746-UM008B-EN-P - December 200690 Ladder Programming ExamplesProgramming Procedure1. Create integer file N10 in your programming s

Publication 1746-UM008B-EN-P - December 2006Ladder Programming Examples 91Dynamic ProgrammingThe programming example explains how to change dat

Publication 1746-UM008B-EN-P - December 200692 Ladder Programming ExamplesVerify Channel Configuration ChangesWhen executing a dynamic channel

Publication 1746-UM008B-EN-P - December 2006Ladder Programming Examples 93Program to Verify Configuration Word Data Changes - ContinuedInterfac

Publication 1746-UM008B-EN-P - December 200694 Ladder Programming Examples] [MOVE Source N10:0Dest O:3.0First Pass BitS:1 15Rung 2:0MOVInitiali

Publication 1746-UM008B-EN-P - December 2006Ladder Programming Examples 95Use the Proportional Counts Data Format with User-set ScalingThe RTD

Publication 1746-UM008B-EN-P - December 200696 Ladder Programming ExamplesMonitor Channel Status BitsThe Programming to Monitor Channel Status

Publication 1746-UM008B-EN-P - December 2006Ladder Programming Examples 97Invoke AutocalibrationAutocalibration of a channel occurs whenever:•

Publication 1746-UM008B-EN-P - December 200698 Ladder Programming ExamplesProgramming to Invoke Autocalibration] [Condition forAutocalibrationI

99 Publication 1746-UM008B-EN-P - December 2006Chapter 7Module Diagnostics and TroubleshootingIntroductionThis chapter describes troubleshooting using