109
CJ1W-SRM21 Master Unit for CJ-series PLCs
Section 4-3
Note
If the communications stop mode causes remote I/O communications to stop,
communications will not restart when the cause of the error is removed. Turn
ON the power again or restart the Unit to resume communications. Refer to
3-5 Slave Registration Function and Communications Stop Mode
.
Set pin 4 (REGS) of the DIP switch as shown in the following table.
The Slave registration function monitors Slaves that are joined in the network,
and those unregistered Slaves that are illegally joined to the network, based
on Slave information registered in the Slave registration tables (Special I/O
Unit DM Area). Refer to
4-3-5 Slave Registration Function and Communica-
Note
Set the Slave registration tables in the Special I/O Unit DM Area when using
the Slave registration function. Refer to
4-3-5 Slave Registration Function and
.
4-3-3
Wiring and Installing Communications Cables
Communications Connector Wiring
Applicable Connectors
Use either of the following connectors when connecting CompoBus/S commu-
nications cable to a CJ-series Master Unit
Pin 4 setting
Slave registration function setting
OFF
Slave registration function setting disabled
ON
Slave registration function setting enabled
Manufacturer/Model
Appearance
Remarks
Phoenix Contact
FK-MCP1.5/6-STF-3.81
Screwless terminals (pro-
vided with the CJ-series
Master Unit)
Phoenix Contact
MC1.5/6-STF-3.81
Screw terminals