Hitachi EH-150 Applications Manual page 129

Response task code
Function
Indicates that the requested task code has been executed normally.
Format
H00 (a)
(a) Executed task code
(b) Execution result data
Refer to the description of each task code for details.
Response task code
Function
Indicates that there is an error in the task code requested for execution.
(Task code undefined, parameter error, etc.)
Format
H01 (a)
Description
Return code details are shown below:
Return code
H01
H02
H04
H05
H06
H07
H09
H0A
H00 Normal execution
(b)
H01 Task code error
(b)
Description
Task code is undefined.
Function selection code is undefined.
Abnormal address
Abnormal step number or word number
Abnormal I/O code
Abnormal I/O number
Write was attempted more than the memory capacity.
Insufficient memory size
Appendix B Task Codes Specifications
(a) Task code requested for execution
(b) Return code
B-4
Classification Response
Classification Response