Omron SYSMAC CJ - REFERENCE MANUAL 01-2008 Reference Manual page 1099

Network Instructions
1060
Unit
Unit connected to network (not
necessary to specify Unit)
Direct specification of the serial
port's unit address
8. The maximum node number depends on the network being used. For a
Controller Link, the allowed range is 00 to 20 hexadecimal (0 to 32). Set
the destination node number to FF to broadcast to all nodes; set it to 00 to
transmit within the local node.
9. When specifying the serial port in the serial gateway function (conversion
to host link FINS), set the destination unit address to the host link unit num-
ber of the destination PLC + 1 (setting range: 1 to 32).
10. Refer to Automatic Allocation of Communications Ports on page 1033 for
details on using automatic allocation of the communications port number
(logical port).
11. When the destination node number is set to FF (broadcast transmission),
there will be no response even if bits 12 to 15 are set to 0.
Unit address setting
FE hex
Serial Communications Unit ports
Port 1: 80 hex + 4 unit number
Port 2: 81 hex + 4 unit number
Serial Communications Board ports
Port 1: E4 hex (228 decimal)
Port 2: E5 hex (229 decimal)
CPU Unit ports
Peripheral port: FD hex (253 decimal)
RS-232C port: FC hex (252 decimal)
Section 3-25