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ROC364 Instruction Manual

C-4 I/O Simulation Rev Jun/05

Figure C-9 shows how to use a Discrete Output Isolated module simulate a relay contact to a Pulse Input

Source module.

CONTROL

DO ISO

+5V

1 Amp

N/C

COM

–

N/C

2.2K

R1=10

DOC0184A

PI SRC

Figure C-9. DO Isolated Module to PI Source Module

C.5 Potentiometer to Analog Inputs

Figure C-10 shows how to use a potentiometer to simulate a transmitter feeding a 4 to 20 milliamps

current signal to an Analog Input Loop module.

Vs = 24 VDC: R2 = 1K OHMS

Vs = 12 VDC: R2 = 390 OHMS

5K OHMS

R1=250

DOC0185A

I LIMIT

I LOOP

Figure C-10. Potentiometer Input to AI Loop Module

Figure C-11 shows how to use a potentiometer and power source to simulate a transmitter feeding a

4 to 20 milliamps current signal to an Analog Input Differential module.

UX PWR = 24 VDC, R2 = 20K OHMS

UX PWR = 12 VDC, R2 = 8.2K OHMS

AUX PWR OUT 1

5K OHMS

200K

N/C

R1=OPEN

DOC0186A

I DIFF

Figure C-11. Potentiometer Input to AI Differential Module

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Emerson ROC364 Bedienerhandbuch Seite 132