Hitachi EH-150 Applications Manual page 130

Response task code
Function
Indicates that the local terminal does not occupy the CPU during monitoring.
Format
H02
(a)
(a) Task code requested for execution
(b) Execution result data
Refer to the description of each task code for details.
Response task code
Function
Indicates that the requested task code cannot be executed.
Format
H03
(a)
Description
Return code details are shown below:
Return code
H01
H02
H03
H04
H05
H06
H07
H08
H0A
H0B
H0C
H0D
H0E
H0F
H02
(b)
H03 Not-executable
(b)
Description
This is ROM memory.
Does not match parameter area.
Occupancy code does not match (READ-occupied).
Occupancy code does not match (WRITE-occupied).
Another station is in the process of debugging.
Already READ-occupied in four stations.
Local station does not occupy CPU.
Another station is occupying CPU.
RAM memory error.
CPU is running.
Operation error.
Program does not exist.
Task code combination error.
Program is illogical.
Appendix B Task Codes Specifications
Warning
(a) Task code requested for execution
(b) Return code
B-5
Classification Response
Classification Response