Appendix B Task Codes Specifications
response list by task code
Task
Subcommand
Response task code
Return code
Error cause
code
Code
Code
Code
H10 Status
H00 Normal
execution
H00
Memory status
H01
Normal execution
H00
Software version
H02
Normal execution
H00
CPU error code
H03
Normal execution
H00
Call CPU name
H04
Normal execution
H00
Undefined
H05 to
HFF
Abnormal task code
H01
Undefined
subcommand
H02
Undefined subcommand is set.
None
Abnormal
task
code
H01
Abnormal number of
steps/words
H05
Only the task code is input.
H11 Stop
designation
H00 Normal
execution
H00
Not-executable
H03
Operation error
H0C
Setting is not in remote status.
Remote STOP is not enabled.
Run designation
H01
Normal execution
H00
Not-executable
H03
Operation error
H0C
Setting is not in remote status.
CPU is in error status.
WRITE-occupied by other station.
Remote RUN is not enabled.
User-set run condition is not satisfied.
Combination
error
H0E
A
RUN-prohibited task code has already
been executed and the CPU is in RUN-
prohibited state.
Undefined
H02
to
HFF
Abnormal task code
H01
Undefined
subcommand
H02
Undefined subcommand is set.
None
Abnormal
task
code
H01
Abnormal number of
steps/words
H05
Only the task code is input.
H16 Cancel
occupancy
H00 Normal
execution
H00
READ occupancy
H01
Normal execution
H00
Not-executable
H03
Occupancy
code
mismatch
H04
Local station is WRITE-occupying CPU.
READ
occupancy
maximum exceeded
H06
Already READ-occupied by the other
four stations.
Occupied
by
another
station
H08
Another station is WRITE-occupying
CPU.
WRITE occupancy
H02
Normal execution
H00
Not-executable
H03
Occupancy
code
mismatch
H03
Local station is READ-occupying CPU.
Occupied
by
another
station
H08
CPU is occupied by another station.
Occupancy mode
H05
Normal execution
H00
modification
(WRITE
→
READ)
Not-executable
H03
Not occupied
H07
Local station is not occupying the CPU.
Occupancy mode
H06
Normal execution
H00
modification
Not-executable
H03
Not occupied
H07
Local station is not occupying the CPU.
(READ
→
WRITE)
Occupied by another
station
H08
CPU is occupying by another station.
Undefined
H03,
H04, H07
to HFF
Abnormal task code
H01
Undefined
subcommand
H02
Undefined subcommand is set.
None
Abnormal
task
code
H01
Abnormal number of
steps/words
H05
Only the task code is input.
H17
Forced cancel of all
peripherals
H00 Normal
completion
H00
Forced cancel of local
station
H01 Normal
completion
H00
Undefined
H02
to
HFF
Abnormal task code
H01
Undefined
subcommand
H02
Undefined subcommand is set.
None
Abnormal
task
code
H01
Abnormal number of
steps/words
H05
Only the task code is input.
H18
Reading the calendar
H00
Normal execution
H00
clock
Not-executable
H03
RTC cannot be
accessed
H10
Abnormal RTC, or not mounting
Setting the calendar
H01
Normal execution
H00
clock
Abnormal task code
H01
Abnormal number of
steps/words
H05
Parameter length is too short.
B-45