Spectrum-controls 1746sc-INO4vi Manuel d'utilisateur

Owner’s Guide 0300128-03 Rev. DSLC 500™ ISOLATEDANALOG OUTPUT MODULESCatalog Numbers1746sc-INO4i1746sc-INO4vi

vi SLC 500™ Isolated Analog Output ModulesOverall accuracy – The worst-case deviation of the signal over the fullrange, expressed in percent of full s

Overview And SpecificationsThe 1746sc-INO4i provides four isolated channels of current outputs,while the 1746sc-INO4vi provides four isolated channels

2 SLC 500™ Isolated Analog Output Modulesprovide a single-slot solution for applications requiring up to four, mixedanalog outputs, so you don’t have

Chapter 1: Overview And Specifications 3Table 3. Electrical specifications—outputsOutput Current Ranges(selectable for each channel) 4 to 20 mA0 to 20

4 SLC 500™ Isolated Analog Output ModulesTable 5. Environmental specificationsOperating Temperature 0 to 60 °C (32 to 140 °F)Storage Temperature -40 t

Installing And Wiring Your ModuleRead this chapter to install and wire your module. This chapter covers:• avoiding electrostatic damage• determining p

6 SLC 500™ Isolated Analog Output ModulesThe following documents contain information that may help you as youinstall and wire your module:• National E

Chapter 2: Installing And Wiring Your Module 7Table 6. Backplane current consumed24 Vdc *Catalog Number 5 Vdc w/o ext. supply w/ ext. supply1746-sc-IN

8 SLC 500™ Isolated Analog Output ModulesSelecting A Rack SlotTwo factors determine where you should install your module in the rack:ambient temperatu

Chapter 2: Installing And Wiring Your Module 9To insert your module into the rack, follow these steps:1. Align the circuit board of your module with t

10 SLC 500™ Isolated Analog Output ModulesWiring Your ModuleTo wire the terminal block, you need:• a small, flat-blade screwdriver• Belden 8761 (shiel

Chapter 2: Installing And Wiring Your Module 114. At one end of the cable, twist the drain wire and foil shield together,bend them away from the cable

12 SLC 500™ Isolated Analog Output ModulesFigure 2. Wiring diagrams (showing differential outputs).Shielded, twisted-pair cable with shieldconnected t

Things To Consider Before UsingYour ModuleRead this chapter to familiarize yourself with:• how the processor communicates with your module• channel up

14 SLC 500™ Isolated Analog Output ModulesIn general, you can reduce the channel update time by disabling unusedchannels, as shown in the following ta

Using Your Output ModuleRead this chapter to:• enter your output module’s ID code• configure each output channel• set the output data limits or user-d

16 SLC 500™ Isolated Analog Output ModulesNo special I/O configuration (SPIO CONFIG) information is required.The module ID code automatically assigns

Chapter 4: Using Your Output Module 17Output ImageThe 8-word, output image (defined as the output from the SLC processorto your module) defines how ea

18 SLC 500™ Isolated Analog Output ModulesConfiguring EachOutput ChannelAfter installing your module, you must configure each channel by settingbit va

Chapter 4: Using Your Output Module 19Output Channel Enable (configuration bits 0 and 8)Use this bit to enable or disable a channel. To minimize updat

Important Notes1. Please read all the information in this owner’s guide before installingthe product.2. The information in this owner's guide app

20 SLC 500™ Isolated Analog Output ModulesTable 10. Data format definitionsSelected Data Value (counts) Corresponding SignalData Format Output Range M

Chapter 4: Using Your Output Module 21Reset Output Or Hold Last Value On Fault(configuration bits 7 and 15)Use this bit to select how your module resp

22 SLC 500™ Isolated Analog Output Modulesand the low limit (output word 6) must be lower than the high limit(output word 7).Example – Suppose you hav

Chapter 4: Using Your Output Module 23User-Defined ScaleFor special applications, the 1746sc-INO4i and 1746sc-INO4vi outputmodules let you define a cu

24 SLC 500™ Isolated Analog Output ModulesFigure 5. Example relationship between output signal andchannel dataData Value999910020.5 mA3.5 mASignalValu

Chapter 4: Using Your Output Module 25Monitoring Each OutputChannelThe requested output data values are reflected in words 0 through 3 of theinput ima

26 SLC 500™ Isolated Analog Output ModulesTable 11. Channel status word details, Input Words 4 through 7 (I:e.4 through I:e.7)These bit settings in th

Chapter 4: Using Your Output Module 27The first 8 status bits reflect the settings in the channel configurationword. The remaining status bits flag th

28 SLC 500™ Isolated Analog Output ModulesFatal Channel Error (status bit 15)This bit is set to one whenever your module detects a “non-recoverable”ch

Testing Your ModuleRead this chapter to prevent potential problems. This chapter covers:• inspecting your module• disconnecting prime movers• powering

30 SLC 500™ Isolated Analog Output ModulesDisconnecting PrimeMoversBefore testing your module, ensure that machine motion will not occur:• Disconnect

Chapter 5: Testing Your Module 31Interpreting The LEDIndicatorsYour output module has 5 LEDs: 4 channel status LEDs (numbered 0–3for channels 0–3, res

32 SLC 500™ Isolated Analog Output ModulesTroubleshootingFigure 7. Problem resolution flowchartModuleStatus LEDoff.Module faultcondition.Check to seet

Maintaining Your ModuleAnd Ensuring SafetyRead this chapter to familiarize yourself with:• preventive maintenance• safety considerationsThe National F

34 SLC 500™ Isolated Analog Output ModulesStanding Clear Of Machinery – When troubleshooting a problem withany SLC 500 system, have all personnel rema

Getting TechnicalAssistanceIf you need technical assistance, please review the information in Chapter5, “Testing Your Module,” before calling your loc

The ENCOMPASS logo and SLC 500 are trademarks of Allen-Bradley Company, Inc. Copyright © 1997-2004 Spectrum Controls, Inc. Allrights reserved. Printe

PrefaceWho Should Use This Guide... iiiWhat This Guide Covers ...

ii SLC 500™ Isolated Analog Output ModulesMaintaining Your ModuleAnd Ensuring SafetyChapter 6Preventive Maintenance...

PrefaceRead this preface to familiarize yourself with the rest of the owner’sguide. This preface covers:• who should use this guide• what this guide c

iv SLC 500™ Isolated Analog Output ModulesTable 1. Related Allen-Bradley documentsAllen-Bradley Doc. No. Title1747-2.30 SLC 500 System OverviewSGI-1.1

Preface vCommon mode voltage – The voltage difference between the negativeterminal and analog common during normal differential operation.Common mode