Omron CRT1 - 10-2009, Operation Manual

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Functions of Digital I/O Slave Units
Section 11-3
11-3 Functions of Digital I/O Slave Units
Bit Slave Units support the I/O filter described in 11-3-2 Input Filter (Input
Units Only) .
11-3-1 I/O Power Status Monitor (Digital I/O Slave Units Only)
Description
The I/O power status monitor function can be used to detect whether the I/O
power is ON.
When the I/O power is turned OFF, a flag in a status area in the Slave Unit
turns ON to notify the Master Unit. The notification details can be read using
the CX-Integrator or using explicit messages.
Note A detection voltage cannot be set for the I/O power supply.
Checking Using the CX-Integrator
1,2,3... 1. Turn ON the power supply to the CompoNet Slave Unit.
2. Switch to the Online Window, and then right-click the icon for the desired
CompoNet Slave Unit in the Network Configuration Window and select
Monitor from the pop-up menu. If IO Power Supply 1 Error is selected in
the Monitor Window, it means that the I/O power is not ON.
3. Click the Close Button and exit the window.
Slave Unit
I/O power supply
Sensor
I/O power
supply voltage
Monitors whether or not the I/O
power supply is ON.