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Appendix F Return Code List
A list of EN-related return codes is shown below.
These return codes are output by communication FBs. For a detailed description of
communication FBs, refer to the Instruction Manual for S/L Controllers (6F8C0865).
USND_T/URCV_T Return Code List
Return Value
Description
-5000
Communication instruction request number over
-5001
Command type error
-5002
Receive timeout
-5003
Socket in use or not opened
-5004
Slot/socket number out of range
-5005
Socket not opened
-5006
Port number duplicated
-5007
Opposite station busy or disconnected
-5099
Other error
-1001
Corresponding socket busy
-1002
Corresponding socket not created
-1005
Ping timeout
-1006
Ping busy
-1010
Socket type error
-1101
Receive memory block short
-2001
Communication request number over
-2002
Request buffer number over
-2005
Corresponding socket not opened
-2006
Number of boards in use over
-2007
Response timeout
-2008
Failure to secure buffer resource
-2009
EN board being reset
-2201
Interrupt receive wait timeout
-2202
Confirmation/instruction response wait timeout
Содержание 3000 series
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