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ROC800-Series Instruction Manual

Revised Jul-14

Input/Output Modules

4-19

Figure 4-18. Generic Densitometer Wiring on APM

Figure 4-19. Input Detector Wiring on APM

Figure 4-20. Series Detector Switch (Normally

Open) Wiring on APM

Figure 4-21. Series Detector Switch Wiring

(Normally Closed) on APM

Figure 4-22. Independent Detector Wiring on APM Figure 4-23. Two-Pulse Turbine Pulse Input Wiring

on APM

DENSITOMETER

GENERIC

-

+

+T

PI

PI

-

+

DRY CONTACT

ROC800 POWERED

+

OPEN COLLECTOR

EXTERNALLY POWERED DEVICE

OR

OPEN DRAIN TYPE

-

DET SW 1

DET SW 2

DET SW 1

DET SW 2

DET SW 1

DET SW 2

METER

- +

METER

COIL 2

-

+

-

+

+T

METER

- +

POWERED

EXTERNALLY

PREAMP

PREAMP

EXTERNALLY POWERED

+T

COIL 1