Rockwell-automation 57C409 2 Channel Analog Input Module Manuale Utente

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

2Ć2+-O/A123Figure 2.1 Ć Typical Input CircuitThere are 4 LED indicators on the faceplate of the module whichreflect the status of the onĆboard 4mhz cl

2Ć3ANALOGINPUT57C409BCDEFG12367812345678910P3Figure 2.2 Ć Module Faceplate

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3Ć1 This section describes how to install and remove the module and itscable assembly. The installation of wiring should confo

3Ć2Step 4. Take the module out of its shipping container. Take it out ofthe antiĆstatic bag, being careful not to touch theconnectors on the back of t

3Ć3Read register 4 to determine whether bits 8 and 10 are set,signifying that the common clock is being driven byanother module in the rack. If they a

3Ć4These can easily be compensated for in software. Performthe following steps to determine the compensation values:Set the analog input voltage to 0

4Ć14.0 PROGRAMMINGThis section describes how the data is organized in the module andprovides examples of how the module is accessed by the application

4Ć2Register 4 contains the common clock status. Bits 8 and 10 indicatethat the common clock is being driven by a module in the rack.These bits must be

4Ć3Registers 7 and 8 contain the update period for the analog to digitalconversion. Each count in these registers is equivalent to 500microseconds. Th

 $    !  $ ! !          ! #      

4Ć44.2 ConfigurationBefore any application programs can be written, it is necessary toconfigure, or set, the definitions of systemĆwide variables, i.e

4Ć54.3.1 BASIC Task ExampleThis example will read an analog input from channel 0 once everysecond and store the value in the symbolCURRENTVALUE%. The

4Ć64.3.2 Control Block Task ExampleThis example will read an analog input from channel 1 every 55milliseconds and store the inverted value in the symb

4Ć74.4.1 BASIC Task ExampleThe following is an example of a BASIC task that handles interruptsfrom channel 0 from the input module.1000 !1002 ! common

4Ć84.4.2 Control Block Task ExampleThe following is an example of a control block task that handlesinterrupts from channel 1 of the input module.1000

4Ć94.5 RestrictionsThis section describes limitations and restrictions on the use of thismodule.4.5.1 Writing Data to RegistersRegisters 0Ć4 are read

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5Ć15.0 DIAGNOSTICS ANDTROUBLESHOOTINGThis section explains how to troubleshoot the module and fieldconnections.5.1 Incorrect DataProblem: The data is

5Ć2Step 5. Verify that the hardware is working correctly.With a voltmeter connected to the proper points on theterminal strip, generate a series of di

5Ć35.3 Interrupt ProblemsProblem: No interrupts at all, or too many (unexpected) interrupts,signified by error codes being displayed on the faceplate

ITable of Contents1.0 Introduction 1Ć1...2.0 Mechanical/Electrical Description 2Ć1...

5Ć4Step 3. Verify that the hardware is working correctly.Systematically swap out the input module, the processormodule(s), and the backplane. After ea

AĆ1Appendix ATechnical SpecificationsAmbient Conditions Storage temperature: -40C Ć 85C Operating temperature: 0C Ć 60C Humidity: 5Ć90% nonĆcondens

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BĆ1   2 Channel Analog Input Module (57C409)BUSADDRESSBUSADDRESSBUSWDOKB RESETINITIALIZEBYTE HI ENREAD MEMWRITE MEMXFER ACA

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CĆ1   ăăăăă1 +10 Volts Channel 0ăăăăăăă2 +1 Volt Channel 0ăăăăăă3 commonăăăăă4 +10 Volts Channel 1ăăăăă5 +1 Vo

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

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EĆ1Appendix EDefining Variables in theConfiguration TaskLocal I/O DefinitionThis section describes how to configure the output module when it is locat

II Technical Specifications AĆ1... Module Block Diagram BĆ1...

EĆ216 Bit Register ReferenceUse the following method to reference a 16 bit register as a unit. Analog inputdata, update period, interrupt control, and

EĆ3  The following is an example of a configuration task for the input module:1000 !1001 !1002 !1003 ! analog inputs1004 !1005

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For additional information1 Allen-Bradley DriveMayfield Heights, Ohio 44124 USATel: (800) 241-2886 or (440) 646-3599http://www.reliance.com/automaxCop

III  Figure 2.1 Ć Typical Input Circuit 2Ć2...Figure 2.2 Ć Module Faceplate 2Ć3...

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1Ć1 The products described in this instruction manual are manufacturedor distributed by Reliance Electric Company or its subsidiaries.T

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2Ć12.0 MECHANICAL/ELECTRICALDESCRIPTIONThe following is a description of the faceplate LEDs, field terminationconnectors, and electrical characteristi