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Conditions Requiring Routing Tables Section 6-7
Specifying Address in FINS Command Source
Note To access from a CX-Programmer, Select Change PLC - Serial Gateway
Guide, and enter the actual Host Link unit number, The CX-Programmer will
automatically increment the value by one.
6-7-2 Using a PLC as the Target
Network-to-Serial Conversion
Routing tables are required to enable the serial communications path to be
treated as a network.
Any component
except PLC
OMRON Compo-
nent
Modbus-RTU
Slave (including
OMRON Inverter)
Modbus-ASCII
Slave
CompoWay/
F
Modbus-
RTU
Modbus-
ASCII
Routing FINS network including
serial communications path (for
Serial Gateway)
Network-to-
serial con-
version
Optional
Serial communications path con-
nection only
Serial-to-
serial con-
version
Optional
Target Protocol
conversion
Routing
tables for
treating
serial com-
munica-
tions path
as network
FINS header
Remote network
address
Remote node
address
Remote unit
address
PLC (CS/CJ Series,
CVM1/CV Series)
Host Link
FINS
Created Network address
assigned to the
serial port accord-
ing to the routing
tables
Host Link unit num-
ber incremented by
1 (1 to 32)
(See note.)
Must be the actual
unit address of the
destination unit.
Not created Serial port unit
address
Any compo-
nent except
PLC
OMRON
Component
Modbus-
RTU Slave
(including
OMRON
Inverter)
Modbus-
ASCII Slave
CompoWay/
F
Modbus-
RTU
Modbus-
ASCII
Created Network address
assigned to the
serial port accord-
ing to the routing
tables
00 hex (indicates
communications in
local PLC)
Must be the unit
address of the serial
port.
Not created Network address for
specifying the
actual remote PLC
Node address for
specifying the
actual remote PLC
Target Protocol
conversion
Case Example Routing tables
for treating
serial
communications
path as network