Omron CJ - REFERENCE MANUAL 07-2009 User Manual

234
FINS Commands Section 5-3
Precautions • FINS Header (Destination Address) Contents
The following settings are required.
• Destination Network Address (DNA):
• When a routing table is created to treat the serial communications path
as a network, this is the network address associated with the Serial
Communications Unit or Board's serial port by the routing table
• When a routing table is not created to treat the serial communications
path as a network, this is the actual network address used to specify
the destination PLC.
• Destination Node Address (DA1):
• When a routing table is created to treat the serial communications path
as a network, set 00 hex for communications within the local PLC or
the “Host Link unit number + 1" for serial → serial → serial conversion.
• When a routing table is not created to treat the serial communications
path as a network, this is the actual node address used to specify the
destination PLC (the “Host Link unit number + 1" for serial → serial →
serial conversion).
• Destination Unit Address (DA2):
This is the serial port's unit address.
Settings for a CP1H CPU Unit and CP1L CPU Unit
Settings for a Serial Communications Board or Unit:
• Unit addresses for serial port 1:
• Unit addresses for serial port 2:
• Sending Modbus-RTU Commands with the CMND Instruction
• Set FINS command code 2804 hex (CONVERT TO MODBUS-RTU
COMMAND) in S.
• Set the following parameters starting at S+1 with the leftmost byte first
(see note): Slave address (1 byte), Function code (1 byte), and the
communications data (n bytes).
CPU Unit port Unit address of port
Serial port 1 FD hex (253 decimal)
Serial port 2 FC hex (252 decimal)
Serial port 1
(Slot 1 for optional board)
Serial port 2
(Slot 2 for optional board)
Unit number0123456789ABCDEF
Board
Hexadecimal 80 84 88 8C 90 94 98 9C A0 A4 A8 AC B0 B4 B8 BC E4
Decimal 128 132 136 140 144 148 152 156 160 164 168 172 176 180 184 188 228
Unit number0123456789ABCDEF
Board
Hexadecimal 81 85 89 8D 91 95 99 9D A1 A5 A9 AD B1 B5 B9 BD E5
Decimal 129 133 137 141 145 149 153 157 161 165 169 173 177 181 185 189 229

Omron CJ - REFERENCE MANUAL 07-2009 Specifications

General

Brand	Omron
Model	CJ - REFERENCE MANUAL 07-2009
Category	Computer Hardware
Language	English