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Communications Timing Section 9-4
tion is completed. When creating the ladder diagram, use these flags as input
conditions when executing these instructions.
Communications Port
Error Flags
A Communications Port Error Flag will turn ON in the following cases.
• When an error is generated during execution of SEND(090), RECV(098),
or CMND(490).
• When an error response or retry error has been generated for the port.
These Flags will turn OFF when the corresponding Communications Port
Enabled Flag is turned OFF at the start of operation or at the start of execut-
ing the SEND(090), RECV(098), or CMND(490).
Communications Port
Completion Codes
The Communications Port Completion Code words will contain the FINS end
code after SEND(090), RECV(098), or CMND(490) has been executed.
If the Communications Port Enabled Flag turns OFF when operation is started
or SEND(090), RECV(098), or CMND(490) are executed, the contents of
these words will be cleared.
Word Bit Content
A202 08 to 15 Reserved
07 Communications Port Enabled Flag, Port No. 7
06 Communications Port Enabled Flag, Port No. 6
05 Communications Port Enabled Flag, Port No. 5
04 Communications Port Enabled Flag, Port No. 4
03 Communications Port Enabled Flag, Port No. 3
02 Communications Port Enabled Flag, Port No. 2
01 Communications Port Enabled Flag, Port No. 1
00 Communications Port Enabled Flag, Port No. 0
Word Bit Content
A219 08 to 15 Reserved
07 Communications Port Error Flag, Port No. 7
06 Communications Port Error Flag, Port No. 6
05 Communications Port Error Flag, Port No. 5
04 Communications Port Error Flag, Port No. 4
03 Communications Port Error Flag, Port No. 3
02 Communications Port Error Flag, Port No. 2
01 Communications Port Error Flag, Port No. 1
00 Communications Port Error Flag, Port No. 0
Word Content
A203 Communications Port Completion Code, Port No. 0
A204 Communications Port Completion Code, Port No. 1
A205 Communications Port Completion Code, Port No. 2
A206 Communications Port Completion Code, Port No. 3
A207 Communications Port Completion Code, Port No. 4
A208 Communications Port Completion Code, Port No. 5
A209 Communications Port Completion Code, Port No. 6
A210 Communications Port Completion Code, Port No. 7
A211 to A218 Reserved