Omron SYSMAC CJ - REFERENCE MANUAL 01-2008 Reference Manual page 1075

Network Instructions
Address Bits
A202 00 to 07 Communications Port Enabled
Flags
A203 to --- Communications Port Comple-
A210 tion Codes
A219 00 to 07 Communications Port Error
Flags
1036
2. The Auxiliary Area bits and words used for user-specified communications
ports are listed in the following table.
Name
ON when a communications instruction can be executed with the
corresponding port number. Bits 00 to 07 correspond to communica-
tions ports 0 to 7.
The completion of communications can be confirmed by monitoring
when a flag turns ON. The flag will turn OFF when execution of a
communications instruction is started.
These words contain the completion codes for the corresponding
port numbers when communications instructions have been exe-
cuted. Words A203 to A210 correspond to communications ports 0
to 7.
ON when an error occurred during execution of a communications
instruction. When a flag is ON, check the completion code in A203
to A210 to troubleshoot the error.
Turn OFF then execution has been finished normally. Bits 00 to 07
correspond to communications ports 0 to 7.
Flag/Word Operation
Communications Port Enabled
Flags (A20200 to A20207)
Normal completion:
First Cycle Flags after Network
Communications Finished
(A21400 to A2407)
Communications Port Com-
pletion Codes (A203 to A210)
Error completion:
Communications Port Error
Flags (A21900 to A21907)
First Cycle Flags after
Network Communications
Error (A21500 to A21507)
Description
Communica-
Communica-
tions instruc-
tions completed.
tion executed.
Cleared to zeros
Response stored
Section 3-25
ON for one cycle
ON for one cycle