Rockwell-automation 1771-OFE/B Analog Output Module User Manual Manual de usuario

     

Table of Contents    

 &%! )  !'# Overview of the Analog OutputModuleRead this chapter to familiarize yourself with the analog o

1-2Publication 1771Ć6.5.30 - November 1998Module FeaturesIn the programmable controller system, the analog output moduleprovides the following funct

1-3( '#" *  #)!% The processor transfers data to the module (block transfer write) andfrom the module (block tra

    

 2)& 1&,+ 6  ,3"*"/  In this chapter, you will read about:For information on See page

2-2!  #  " For specific information required by EN 61131-2, see the appropriatesections in this publication, as

2-3    You can place your module in any I/O module slot of the I/O chassiswith the following guidelines:• Do not

2-4 "    This is a significant safety feature. You can choose to have themodule’s outputs go to the maximum,

2-5Publication 1771Ć6.5.30 - November 1998Figure 2.1LAST STATE Configuration JumperLast State Output LevelConfiguration JumpersMINMIDMAXFront of Ci

Because of the variety of uses for the products described in thispublication, those responsible for the application and use of this controlequipment m

2-6'&"! *  "( $ Rack switch 1 determines what output conditions occur during a rackfault.Rack Switch 1S

2-7Publication 1771Ć6.5.30 - November 1998Figure 2.3Configuration Jumper LocationsInOut5678910InInOutOutOutOut0-10V+-OutOutInInOutOut1-5VOutOutOutO

2-8Publication 1771Ć6.5.30 - November 1998!ATTENTION: Remove power from the 1771 I/Ochassis backplane and field wiring arm beforeremoving or insta

2-9Publication 1771Ć6.5.30 - November 1998The analog devices connect to the analog module through a fieldwiring arm (cat. no. 1771-WC). The field

2-10Publication 1771Ć6.5.30 - November 1998The module requires shielded cable for signal transmission to theanalog devices. Use Belden 8761 shielde

2-11Publication 1771Ć6.5.30 - November 1998The front panel of the module contains a green RUN and a red FLT(fault) indicator. At power-up, the red

    

 Publication 1771Ć6.5.30 - November 1998Configuring Your OutputModuleIn this chapter, you will read about:For information on See pageConfiguri

3-2Publication 1771Ć6.5.30 - November 1998Note: Programmable controllers that use 6200 softwareprogramming tools can take advantage of the IOCONFIG

3-3Publication 1771Ć6.5.30 - November 1998Word 5 of the block transfer write is the module configuration word(Figure 3.1). It contains information

        This release of the publication contains updated information from thelast r

3-4Publication 1771Ć6.5.30 - November 1998DescriptionDecimal Bit(Octal Bit)Word09 (11)When set (1), indicates negative maximum scaling value for Cha

3-5Publication 1771Ć6.5.30 - November 1998Some examples of how to determine the value of the data wordneeded to produce the desired output voltage

3-6)"!(!%$ -  %*#& Scaling is the conversion of unscaled data to engineering units--suchas gallons/minute, degrees c

3-7Publication 1771Ć6.5.30 - November 1998The largest value that you can enter for a maximum scaling value is9999. The smallest value you can ente

3-8Publication 1771Ć6.5.30 - November 1998If you do not wish to scale a particular channel, set the scaling valuesas shown below.If your range is:Se

3-9    Now that we have explained the purpose and function of each wordin the block transfer write block, you sh

    

 -%#,#(' 2  (.&*  In this chapter you will read about:For information on See page%($ *&ap

4-2Publication 1771Ć6.5.30 - November 1998Output data is transferred from the processor’s data table to themodule with a write block transfer. Diag

4-3Publication 1771Ć6.5.30 - November 1998PLC-2 Family Example ProgramModule Location Rack 1, Module Group 0, Slot 1T/C Addresses030 for Block Tran

SOC-2 Summary of Changes    

4-4Publication 1771Ć6.5.30 - November 1998Table 4.AData Table MapAllenĆBradley Programmable ControllerData Table MAP (128Ćword)000102030405060710111

4-5Publication 1771Ć6.5.30 - November 1998Table 4.BPLCĆ2 Family Data Table WordALLEN-BRADLEYProgrammable ControllerDATA TABLE WORD ASSIGNMENTS (64-

0100Channel 3 Minimum Scaling Factor PolaritySet (1) = NegativeReset (0) = PositiveBinaryBCD12892 4-6Publication 1771Ć6.5.30 - November 1998Figure 4.

4-7Publication 1771Ć6.5.30 - November 1998Figure 4.4PLCĆ3 Sample Program StructureBLOCK XFER WRITERack Addrress:Group Address:Module Address:Data A

4-8Publication 1771Ć6.5.30 - November 1998Figure 4.5PLCĆ3 Example ProgramU15L05FB001:0000B0000000000BTRBLOCK XFER READRack Address:Group Address:Mod

4-9Publication 1771Ć6.5.30 - November 1998Figure 4.6PLCĆ5 Example Program 1N10:015BTWBLOCK XFER WRITERack Address:Group Address:Module Address:Cont

4-10    When writing your program, there are some additional programmingtechniques that you should consider. The

4-11Publication 1771Ć6.5.30 - November 1998All Four Channels ScaledTo scale all four channels, enter a block length of 00 and enter theappropriate

4-12Publication 1771Ć6.5.30 - November 1998Figure 4.8Data Table Structure and GET/PUT Instruction Example for BlockTransfer Boundary Word030 First

4-13Publication 1771Ć6.5.30 - November 1998Module Update TimeUpdate time is defined as the amount of time it takes for the outputmodule to receive

Publication 1771Ć6.5.30 - November 1998This manual shows you how to use the analog output module with anAllen-Bradley programmable contr

    

 Publication 1771Ć6.5.30 - November 1998    In this chapter, you will read about:For information on See pageReading Da

5-2Publication 1771Ć6.5.30 - November 1998Table 5.ABit/Word Description for Block Transfer ReadWordDecimal Bits(Octal Bits)Description1Bits 00Ć15(00

 Publication 1771Ć6.5.30 - November 1998Calibrating Your OutputModuleIn this chapter, you will read how to calibrate your output module.For in

MAX 6-2    Preparation for Calibration -1. Turn off the processor and I/O chassis power.2. Remove the field wiring

6-3-$#,#'& 1  '.%* 6. Connect the voltmeter leads across the top two screws on the fieldwiring arm (Channel 1)

MAXMINMAX 6-4Publication 1771Ć6.5.30 - November 1998Figure 6.3Location of Configuration Jumpers and Resistor PotsTP1TP2TP3TP4TP5TP6TP7TP8TP9TP10TP12R

6-5Publication 1771Ć6.5.30 - November 199815.Reconnect the voltmeter to the appropriate screws on the fieldwiring arm. Repeat Steps 9 through 14 f

6-6#" %  $ Channel Calibration1. Disconnect your analog device wires from the module’s fieldwiring arm.Important:

MAXFrontofMod-ule"$ "%$ " '( #$ #$$#$ %# # "!%")MAXMIN 6-7%

PrefaceP–2Publication 1771Ć6.5.30 - November 1998Appendices TitleA SpecificationsB Block Transfer with MiniĆPLCĆ2 and PLCĆ2/20 ProcessorsC Data Table

MAX 6-8Publication 1771Ć6.5.30 - November 1998Figure 6.6Location of Resistor PotsTP1TP2TP3TP4TP5TP6TP7TP8TP9TP10TP12Resistor PotentiometersAdjustment

6-9    15.Remove the extender card and return the circuit board to themodule.16.Replace the LAST STATE configura

MAX 6-10#" %  $ 2. Attach 250 ohm resistor across Channel 1 (the top two screws) onthe field wiring arm.Figure 6.7

6-11    Table 6.DResistor PotentiometersChannel Resistor Potentiometer    11. Remove the extende

    

 Publication 1771Ć6.5.30 - November 1998Diagnostics andTroubleshootingIn this chapter, you will read how to troubleshoot your outputmodule usi

7-2Publication 1771Ć6.5.30 - November 1998Table 7.ATroubleshooting ChartCondition Possible Cause Recommended ActionGreen RUN indicator does notcome

7-3Publication 1771Ć6.5.30 - November 1998The fifth word contains the status of each DAC word; that is,whether data is out of range or scaling is i

    

 Publication 1771Ć6.5.30 - November 1998Outputs per Module 4 Individually IsolatedModule Location Bulletin 1771 I/O Chassis -

Publication 1771Ć6.5.30 - November 1998Chapter 1Chapter Objectives 1-1...Module Description 1-1...

Publication 1771Ć6.5.30 - November 1998Environmental ConditionsOperational Temperature:Storage Temperature:Humidity Rating:0oCto+60oC (+32oF to +

Appendix B    Block Transfer with MiniĆPLCĆ2and PLCĆ2/20 ProcessorsProgramming multiple GET instructions is simila

B-2Publication 1771Ć6.5.30 - November 1998Rungs 2 and 3These OUTPUT ENERGIZE instructions (012/01 and 012/02)define the number of words to be transf

B-3/'%.%*) 2  *0!(!, The output module is capable of transferring up to 13 words in oneprogram scan. The number of words

    

Appendix C    Data Table FormatsThe 4-digit BCD format uses an arrangement of 16 binary digits torepresent a 4-dig

C-2    Table C.ABCD RepresentationPlace Value23(8) 22(4) 21(2) 20(1)DecimalEquivalent            

C-3    Two’s complement binary is used with PLC-3 processors whenperforming mathematical calculations internal t

    

Publication 1771Ć6.5.30 - November 1998BBlock Length, Default, 4-10Block Length, Setting, 4-10Block TransferBoundary Word, 4-11Multiple GET Instructio

Table of ContentsiiPublication 1771Ć6.5.30 - November 1998Chapter 4Chapter Objectives 4-1...Block Transfer with the An

Table of ContentsI–2Publication 1771Ć6.5.30 - November 1998PolarityData, 4-10Scaling, 3-6power requirements, 2-2pre-installation considerations, 2-2

AllenĆBradleyPublication Problem ReportIf you find a problem with our documentation, please complete and return this form.Pub. NameCat. No. Pub. No. P

Publication 1771Ć6.5.30 - November 1998Other CommentsPLEASE FOLD HERENO POSTAGE NECESSARY IF MAILED IN THE UNITED STATESBUSINESS REPLY MAILFIRST-CLASS

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Table of Contents iiiPublication 1771Ć6.5.30 - November 1998Appendix ASpecifications A-1...........Appendix BMultiple GET