Omron CJ - REFERENCE MANUAL 07-2009 Reference Manual page 104

Serial Gateway Overview
With Routing Tables
Serial-to-Serial Conversion
Without Routing Tables
With Routing Tables
82
Specify the addresses as shown in the following example.
Address Specification
Address
FINS
Remote network address
command
Remote node address
sent
Remote unit address
FINS network
(2) Node address:
Local PLC internal
communications
To 00 hex
(3) Unit address:
To serial port unit
address
(e.g., 80 hex)
Routing tables to enable the serial communications path to be treated as a
network are optional.
Specify the addresses as shown in the following example.
Address Specification
FINS
command
sent
Serial communications
path (Host Link FINS)
Address for standard
direct serial connection:
(1) Network address:
Direct serial connection
To 00 hex
(2) Node address: Local
PC internal
communications
To 00 hex
(3) Unit address:
To serial port unit
address (e.g., 80 hex)
Specify the addresses as shown in the following example.
Address Specification
Address
Remote network address
FINS
command
Remote node address
sent
Remote unit address
Serial communications
path (Host Link FINS)
Serial Communications Unit/Board
E.g., Unit number 0, port 1
(2) Unit address:
To serial port unit
address (e.g., 80 hex)
Contents
(1) Serial communications
path network address
(2) Local PC internal communications
(3) Serial port unit address
Serial Communications Unit/Board
E.g., Unit number 0, port 1
PLC
Routing tables for treating serial communications path as a network
Unit number
80 hex (128 decimal)
Calculated from Unit No. 0, port 1
Serial communications path
(1) Network address:
(CompoWay/F, Modbus)
To serial communications path network address A
Target: OMRON Component or Modbus Slave
Address Contents
Direct serial con-
Address for
nection (See
Remote network address
standard
note.)
direct serial Local PC inter-
Remote node address
nal communi-
connection
cations
Serial port unit
Remote unit address
address
Serial Communications Unit/Board
E.g., Unit number 0, port 1
PLC
No routing tables required to treat serial
communications path as a network
Serial communications path
(CompoWay/F, Modbus)
Target: OMRON Component or Modbus Slave
Contents
(1) Serial communications
path network address
(2) Local PC internal communications
(3) Serial port unit address
Routing tables for treating serial
PLC
communications path as a network
Unit number
80 hex (128 decimal)
Calculated from Unit No. 0, port 1
Serial communications path
(1) Network address:
(CompoWay/F, Modbus)
To serial communications path network address A
Target: OMRON Component or Modbus Slave
Section 3-6
Example
A
00 hex
80 hex (128 decimal)
Calculated from Unit No. 0,
port 1
Network
address
A
Example
00 hex (See note.)
00 hex
80 hex (128 decimal)
Calculated from unit
number 0, port 1
Note: Serial port unit
address (e.g., 80 hex)
can be set
Example
A
00 hex
80 hex (128 decimal)
Calculated from unit
number 0, port 1
Network
address
A