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Figure 13 - Wiring For Dc Input Module - Honeywell 2MLL-PSRA User Manual

Pnet i/f module.
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4.1
Overview
This chapter describes the system configuration method and its characteristics. Consider
the following factors while selecting the digital I/O module, which is used for Remote
I/O.
1.
Digital input types contain the current sink input and current source input. In case of
DC input module, the wiring method is as follows:
a)
Connect the sink type external connection machine to the source type DC
input module as displayed in the following figure.
External connection machine is located between the DC power and the (-)
terminal of DC input module terminal.
Hence, when the power is ON, the current flows from the DC input module
terminal to the external connection machine.
b)
Connect the source type external connection machine to the sink type DC
input module as displayed in the following figure.
External connection machine is located between the DC power and the (+)
terminal of DC input module terminal.
Hence, when the power is ON, the current flows from external connection
machine to DC input module terminal.
R210
Pnet I/F Module 2MLL-PSRA, 2MLL-PSEA User's Guide
November 2011
4. System Configuration
Figure 13 – Wiring for DC input module
Honeywell
39

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