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1043
Network Instructions
Section 3-25
b) When the Explicit Message Was Sent But an Explicit Error Response
Was Returned
In this case, the explicit message was sent but an error existed in the explicit
message command frame (code not supported, illegal size, etc.). Here, the
Explicit Communications Error Flag (A21300 to 07: Communications port No.
0 to 7) will turn ON and the Network Communications Error Flag (A21900 to
07: Communications port No. 0 to 7) will remain OFF.
After completion, the Network Communications Response Code (A203 to
A210: Communications port No. 0 to 7) will contain the explicit message error
code.
1
0
1
0
1
0
0000 hex
0000 hex
Communications Port
Enabled Flag
Explicit Message
Instruction
Explicit Communications
Error Flag
Communications Port
Error Flag
Communications Port
Completion Code
Instruction
being
executed
FINS end code
Previous
Instruction
being
executed
OK
Error
OK
Explicit error
CPU Unit
FINS header
FINS header FINS response
Explicit error
response
Explicit response
CPU Bus
Unit
(e.g.,
DeviceNet
Unit)
Explicit message
Explicit message
Explicit message sent
Normal error response
received
PLC Rack
DeviceNet network
DeviceNet
node
(e.g., slave)
Error
1
0
1
0
1
0
0000 hex
0000 hex
Communications Port
Enabled Flag
Explicit Message
Instruction
Explicit Communications
Error Flag
Communications Port
Error Flag
Communications Port
Completion Code
Instruction
being
executed
Explicit error code
Previous
Instruction
being
executed
Содержание SYSMAC CS1D-CPU**
Страница 3: ...iv...
Страница 29: ...xxx...
Страница 185: ...146 List of Instructions by Function Code Section 2 4...
Страница 193: ...154 3 35 4 MOVE BIT MOVBC 568 1274 3 35 5 BIT COUNTER BCNTC 621 1276 3 35 6 GET VARIABLE ID GETID 286 1278...
Страница 1389: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2...
Страница 1390: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits...
Страница 1391: ...1352 ASCII Code Table Appendix A...