Nomenclature And Functions - Omron CJ1W-DRM21 Operation Manual

2 Nomenclature and Installation
2-1

Nomenclature and Functions

2-1-1

Nomenclature and Functions

CJ1W-DRM21
DRM21
MS
NS
UNIT
NO.
NODE
ADR
0
1 x10
x10
ON
4 HOLD
3 ESTP
2 DR1
1 DR0
Indicators
The DeviceNet Units are equipped with the following indicators that indicate the operating status of
the node itself and the overall network.
a. Two status indicators (two-color: Green or red indicators)
b. A two-digit, 7-segment indicator
c. Two dot indicators
a. Status indicators
2-2
Indicators
Unit No. switch
This switch sets the unit number of the DeviceNet Unit as a one-
digit hexadecimal value.
Node address switches
These switches set the node address as a two-digit decimal value.
DIP switch
The pins have the following functions:
Pins 1 and 2: Baud rate
Pin 3: Continue/Stop communications for error (when used as a
Master)
Pin 4: Hold/clear I/O for communications error (when used as a
Slave)
Communications connector
Connect the Network communications cable to this connector. The
communications power for this Unit is also supplied through this
connector.
A parallel connector with screws (XW4B-O5C1-H1-D) is provided
for node connection.
b. Two-digit, 7-segment indicator
MS
NS
c. Dot indicators
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)