Omron CJ2 CPU UNIT - Pulse I;O Module Status Indicators

3-19
3 Nomenclature and Functions
CJ2 CPU Unit Hardware User’s Manual
3-3 Pulse I/O Modules (CJ2M CPU Unit Only)
3
3-3-2 Part Names and Functions
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.
❍: Lit, ● :Not lit
Precautions for Correct UsePrecautions 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.
Pulse I/O Module Status Indicators
Indicator Color Status Meaning
No. 0 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.
No. 1 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.
IN0 to IN9 Yellow
❍
The allocated input is ON.
●
The allocated input is OFF.
OUT0 to
OUT5
Yellow
❍
The allocated output is ON.
●
The allocated output is OFF.
Pulse I/O Module number indicators
Indicate the I/O status.