Pulse I/O Module Status Indicators - Omron CJ2 CPU UNIT User Manual

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Pulse I/O Module Status Indicators

Up to two Pulse I/O Modules can be connected.
The indicators on the front panel of a Pulse I/O Module indicate whether the Block is number 0 or
number 1 and indicate the I/O status.
The following table describes these indicators.
Indicator
No. 0
No. 1
IN0 to IN9
OUT0 to
OUT5
Precautions for Correct Use
Precautions for Correct Use
A maximum of two Pulse I/O Modules can be connected. Do not connect more than this. If three
or more Pulse I/O Modules are connected, a too many I/O points error (fatal error) will occur. If
this error occurs, turn OFF the power supply to the PLC and remove all but two Pulse I/O Mod-
ules.
CJ2 CPU Unit Hardware User's Manual
Color
Status
Green
This is the Pulse I/O Module that is connected directly to the CPU Unit.
It is Pulse I/O Module number 0.
Not connected.
Green
This is the Pulse I/O Module that is connected next to the Power Supply
Unit when two Pulse I/O Modules are connected.
It is Pulse I/O Module number 1.
Not connected.
Yellow
The allocated input is ON.
The allocated input is OFF.
Yellow
The allocated output is ON.
The allocated output is OFF.
3 Nomenclature and Functions
Pulse I/O Module number indicators
Indicate the I/O status.
Meaning
3
❍: Lit, ● :Not lit
3-19

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