Appendix B Task Codes Specifications
Response task code H05 BUSY Classification Response
Function
Indicates that the requested task code was not executed because another task code was being executed.
(Note) Create a program so that transmission is retried from a request task code when BUSY is returned.
Format
H05 (a)
(a) Task code that requested the execution
Response task code H08 Network error Classification Response
Function
Indicates that a communication error has occurred.
Format
H08 (a)
(b)
(a) Task code requested for execution
(b) The network address that detected the error
Description
Indicates that there was a communication error or the designated destination address does not exist.
B-6
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