Omron SYSMAC CJ1W-SCU31-V1

246
Communications Frames Section 6-8
• Host Link FINS Settings
Command Frame
Response Frame
[CMND S D C]
Command Details
Response
Note 1. The method used to set the remote destination network address, node ad-
dress, and unit address for sending data to or receiving data from the PLC
Serial Communications Unit
unit number
6 Use the following equation to
calculate the unit address of the
serial port.
81 hex + 4 hex
× unit number 6
= 99 hex (153 decimal)
Use CX-Net to set the local net-
work tables in the routing tables.
Unit number Network
address
Serial Communications Unit
serial port
Port 2
Serial Commu-
nications Unit’s
serial port unit
address: 153
(decimal)
Serial port net-
work address: 5
(decimal)
Item Setting Setting location
FINS command code (e.g., change
operating mode (stop operation))
0402 hex Set in 0402 hex of control
data S for CMND(490)
instruction
FINS command parameter (e.g.,
always FFFF hex to change operating
mode)
FFFF hex Set in FFFF hex of control
data s+1 for CMND(490)
instruction
Item Setting Setting location
FINS command code (E.g., change
operating mode (stop operation))
0402 hex Stored in D of CMND(490)
instruction
FINS command end code (normal end:
0000 hex)
0000 hex Stored in D+1 of CMND(490)
instruction
Item Value (example) Setting location
Operand Offset Value Meaning
S:
D01000
+0: 0402 hex Change operating mode (stop operation) (FINS command code: 0402 hex)
+1: FFFF hex Change operating mode (stop operation): Always FFFF hex
D:
D02000
First response storage word
C:
D00000
+0: 000C hex Command data bytes: 0004 hex (4 bytes decimal)
+1: 000A hex Response data bytes: 0004 hex (4 bytes decimal)
+2: 0005 hex Send destination network address: 05 hex; Serial port number: 0 hex (not used)
+3: 0200 hex Send destination node address: 02 hex (set the unit number for Host Link + 1); Send
destination unit address: 00 hex
+4: 0000 hex Response required; Communications port number: 0; Resends: 0 hex
+5: 0000 hex Response monitoring time: 2 s
Operand Offset Value Meaning
D:
D02000
+0: 0402 hex Change operating mode (stop operation) (FINS command code: 0402 hex)
+1: FFFF hex FINS end code: FFFF hex (normal end)