872
Network Instructions Section 3-24
CP1L L (14 or 20 I/O points) CPU Unit Serial Communications
Option Board Port
CJ-series Serial Communication Unit Ports
(4) When specifying the serial port without a routing table for the serial gate-
way function (conversion to host link FINS), set the serial port’s unit ad-
dress in the source network address byte.
(5) The unit address indicates the Unit, as shown in the following table.
(6) 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 source node number to 00 to transmit within the local node.
(7) Refer to Automatic Allocation of Communications Ports on page 851 for
details on using automatic allocation of the communications port number
(logical port).
Operand Specifications
Port Port’s unit address
Port 1 FC hex (252 decimal)
Port Port’s unit address Example: Unit number = 1
Port 1 80 hex + 4 × unit number 80 + 4 × 1 = 84 hex (132 decimal)
Port 2 81 hex + 4 × unit number 81 + 4 × 1 = 85 hex (133 decimal)
Unit Unit address setting
CP-series CPU Unit (Serial Com-
munications Option Board) or CJ-
series CPU Unit
00 hex
CS/CJ-series CPU Bus Unit 10 hex + unit number
CS/CJ-series Special I/O Unit 20 hex + unit number
CS-series Inner Board E1 hex
Computer 01 hex
Unit connected to network (not
necessary to specify Unit)
FE hex
Direct specification of the serial
port’s unit address
CP1H or CP1L M (30 or 40 I/O points) CPU
Unit
Port 1: FD hex (253 decimal)
Port 2: FC hex (252 decimal)
CP1L L (14 or 20 I/O points) CPU Unit
Port 1: FC hex (252 decimal)
CS/CJ-series Serial Communications Unit
ports
Port 1: 80 hex + 4 × unit number
Port 2: 81 hex + 4 × unit number
CS-series Serial Communications Board
ports
Port 1: E4 hex (228 decimal)
Port 2: E5 hex (229 decimal)
CS/CJ-series CPU Unit ports
Peripheral port: FD hex (253 decimal)
RS-232C port: FC hex (252 decimal)
Area S D C
CIO Area CIO 0 to CIO 6143 CIO 0 to
CIO 6139
Work Area W0 to W511 W0 to W507
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