Switch Settings - Omron CJ1W-DRM21 Operation Manual

The following diagram shows the alternating error code/ node address display.
OFF (0.1 s)
Error code
(1 s)
OFF (0.3 s)
• The master's error code and master's node address will be displayed if an error has occurred at
the master.
• There is no priority for showing error codes. All error codes that occur at that time are shown in
sequence.
• For the error codes displayed on the seven-segment display, refer to 9-1 Troubleshooting with the
DeviceNet Unit Indicators.
Dot Indicators
The following table shows the functions of the dot indicators.
Indicator
Left dot Scan list
enabled/disabled,
master function
disabled
Right dot Slave function dis-
abled
2-1-2

Switch Settings

Unit No. Switch
CJ1W-DRM21
Use the Unit No. Switch to set the unit number for units as a CPU Special Unit. Set a unique unit
number for each CPU set Special Unit installed in the CPU Rack and Expansion Rack with the unit
numbers in the unit configuration. Turn OFF the Controller before changing the unit number setting.
Setting method: One-digit hexadecimal
Setting range:
Note The unit number is set to 0 at the factory.
You can set any unit number from 0 to F as long as it has not been set on another CPU Bus Unit
connected to the same CPU Unit.
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
OFF (0.3 s)
Faulty slave's
node address
(1 s)
Master's node
address (1 s)
If there is an error at the DeviceNet Unit.
Content
ON: Master function disabled
Flashing: Scan list disabled
OFF: Scan list enabled
ON: Slave function disabled
OFF: Slave operating
0 to F
2 Nomenclature and Installation
OFF (0.1 s)
Faulty slave's
Error code
(1 s)
OFF (0.1 s)
Master's
error code (1 s)
Display
OFF (0.3 s)
node address
(1 s)
OFF (0.3 s)
2
2-5