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ROC364 Instruction Manual

C-1 I/O Simulation Rev Jun/05

APPENDIX C – I/O SIMULATION

This appendix describes how to simulate inputs and outputs to verify the proper operation of the ROC.

The simulations make use of the various types of I/O modules available for the ROC.

This section contains the following information:

Section Page

C.1 Analog Outputs to Analog Inputs C-1

C.2 Analog Outputs to Ammeter C-2

C.3 Discrete Outputs to Discrete Inputs C-3

C.4 Discrete Outputs to Pulse Inputs C-3

C.5 Potentiometer to Analog Inputs C-4

C.6 Switch to Discrete Inputs C-5

C.7 Switch to Pulse Inputs C-5

 NOTE: Use a standard screwdriver with a slotted (flat bladed) 1/8-inch width tip when wiring all

terminal blocks.

C.1 Analog Outputs to Analog Inputs

The Analog Output source module simulates a transmitter by feeding a 4 to 20 milliamps current to

either an Analog Input Loop module or an Analog Input Differential module. Figure C-1 and Figure C-2

show wiring connections.

LEVEL

O SRC

220

COM

R1=0

I LIMIT

I LOOP

R1=250

DOC0176A

Figure C-1. Current Loop — AO Source Module to AI Loop Module

LEVEL

O SRC

220

COM

R1=0

I DIFF

200K

R1=250

N/C

200K

DOC0178A

Figure C-2. Current Loop — AO Source Module to AI Differential Module

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Emerson ROC364 Bedienerhandbuch Seite 129