Omron C200HW-CLK21 Operation Manual page 214

Using the Message Service
SEND/RECV Flag Operations
Example
Network Instruction Enabled Flag
Communications instruction
(SEND/RECV/CMND)
Network Instruction Error Flag
Communications instruction response code
Communications Instruction Response Codes
• The Network Instruction Enabled Flag turns OFF during transmission or
reception, and ON after the data transmission or reception has been com-
pleted (regardless of whether an error occurs).
• The Network Instruction Error Flag retains its status until the next data
transmission or reception.
• Even when there is an abnormal end, the Network Instruction Error Flag
turns OFF when the next communications instruction is executed.
1
0
Instruction 1
being executed
1
0
00
Previous
end
The status after a communications instruction has been executed is reflected
in the words shown in the following table. During instruction execution, it
becomes "00" or "0000," and it is reflected here after the execution has been
completed.
PLC Word
CS/CJ-series A203
A204
A205
A206
A207
A208
A209
A210
C200HX/HG/HE SR 237
CVM1 and CV- A503
series
A504
A505
A506
A507
A508
A509
A510
CQM1H-series AR 02
Instruction 2
being executed
(Normal
(Busy)
00 00 04
end)
Bits
--- Port 0 response code
--- Port 1 response code
--- Port 2 response code
--- Port 3 response code
--- Port 4 response code
--- Port 5 response code
--- Port 6 response code
--- Port 7 response code
08 to 15 Operating level 1 response code
00 to 07 Operating level 0 response code
--- Port 0 response code
--- Port 1 response code
--- Port 2 response code
--- Port 3 response code
--- Port 4 response code
--- Port 5 response code
--- Port 6 response code
--- Port 7 response code
00 to 07 Response code
Section 6-3
Instruction 3
being executed
(Normal
00 00
end)
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