
1 Introduction
1-26
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
Setting Example for No-protocol Mode
Example) Set the default (standard) communications conditions
Send delay is set to 100 ms, start code is included (e.g., @), end code is included (CR + LF), and
number of receive bytes is set to 100 bytes.
Additional Information
The Settings specified in the Special Unit Setup Editing screen support all the functions of this
Unit. However, when used with NJ Series, some functions of this Unit become unavailable.
Please do not select functions that cannot be used. Errors will not be detected even if these func-
tions are selected or set.
For functions that you cannot use with NJ series, refer to A-1 Differences in Available Functions
Depending on the CPU Unit (NJ or CJ Series).
Set the Unit number specific for each CPU Bus Unit mounted in a CPU Rack or Expansion Rack.
The Unit number must be the one registered in Unit Configurations. Set the unit number switch at
the top of the front panel to between 0 and F. Turn OFF the Controller before changing the unit num-
ber setting.
Procedure 3. Set the Unit Number
2
ON
4
TERM
ERC
RUN
RD2
SCU42
RD1 TER1
SD2
RDY
NO.
UNIT
ERH
SD1
OFF
WIRE
01
23
4567
89
AB
CDE
F
Unit number switch
CJ-series Units