![Omron CJ1G-CPUxx Instructions Manual Download Page 911](http://html1.mh-extra.com/html/omron/cj1g-cpuxx/cj1g-cpuxx_instructions-manual_742491911.webp)
890
Network Instructions
Section 3-25
3-25-4 DELIVER COMMAND: CMND(490)
Purpose
Sends an FINS command and receives the response. Refer to the CS/CJ
Series Communications Commands Reference Manual for details on FINS
commands.
Ladder Symbol
Variations
Applicable Program Areas
Operands
C: First control word
The six control words C to C+5 specify the number of bytes of command data
and response data, the destination, and other settings shown in the following
table.
Note
1.
The maximum number of bytes allowed in the command and response
data depends on the network being used. For a Controller Link, the maxi-
mum setting is 07C6 (1,990 bytes).
2.
If the actual number of bytes of response data exceeds the setting in C+1,
the response data will not be stored. If the actual number of bytes of re-
sponse data is less than the setting in C+1, the received data will be stored
S: First command word
D: First response word
C: First control word
CMND(490)
S
D
C
Variations
Executed Each Cycle for ON Condition
CMND(490)
Executed Once for Upward Differentiation
@CMND(490)
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification
Not supported
Block program areas
Step program areas
Subroutines
Interrupt tasks
OK
OK
OK
OK
Word
Bits 00 to 07
Bits 08 to 15
C
Bytes of command data: 0002 to maximum allowed
1
(4-digit hexadecimal)
C+1
Bytes of response data: 0000 to maximum allowed
1,2
(4-digit hexadecimal)
C+2
Destination network address:
00 to 07
3
Bits 08 to 11:Serial port number
(physical port)
1 hex:
Port 1
2 hex:
Port 2
(Do not set 0, 3, or 4.)
Bits 12 to 15: Always 0.
C+3
Destination unit address: 00 to FE
5
Destination node number:
00 to maximum allowed
6
C+4
No. of retries: 00 to 0F (0 to 15)
Bits 08 to 11:
Port number (internal logic port):
0 to 7
(F: Automatic allocation)
7
Bits 12 to 15: Response setting
0: Response requested.
8: No response requested.
8
C+5
Response monitoring time: 0001 to FFFF (0.1 to 6553.5 seconds)
(The default setting of 0000 sets a monitoring time of 2 seconds.)
Summary of Contents for CJ1G-CPUxx
Page 3: ...iv N o t i c e ...
Page 5: ...vi ...
Page 21: ...xxii Conformance to EC Directives 6 ...
Page 35: ......
Page 1131: ...1110 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...