Omron CJ1W-DRM21 User Manual

2-5
2 Nomenclature and Installation
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
2-1 Nomenclature and Functions
2
2-1-2 Switch Settings
The following diagram shows the alternating error code/ node address display.
• 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.
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: 0 to F
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.
Indicator Content Display
Left dot Scan list
enabled/disabled,
master function
disabled
ON: Master function disabled
Flashing: Scan list disabled
OFF: Scan list enabled
Right dot Slave function dis-
abled
ON: Slave function disabled
OFF: Slave operating
2-1-2 Switch Settings
Unit No. Switch
Error code
(1 s)
Faulty slave's
node address
(1 s)
OFF (0.1 s) OFF (0.3 s)
Error code
(1 s)
OFF (0.1 s) OFF (0.3 s)
If there is an error at the DeviceNet Unit.
OFF (0.3 s)
OFF (0.3 s)
Master's node
address (1 s)
Master's
error code (1 s)
OFF (0.1 s)
Faulty slave's
node address
(1 s)
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
CJ1W-DRM21

Omron CJ1W-DRM21 Specifications

General

Brand	Omron
Model	CJ1W-DRM21
Category	Controller
Language	English