Chapter 2
2-16
CompoWay/F Communications Procedures
2-4 Response Code List
Normal Completion
Error Completion
Response code Name Description Error detection
priority
0000 Normal completion No errors were found. None
Response code Name Description Error detection
priority
0401 Unsupported command The service function for the relevant
command is not supported.
1
1001 Command too long The command is too long. 2
1002 Command too short The command is too short. 3
1101 Area type error Wrong variable type 4
1103 Start address out-of-range
error
The read/write start address is out of
range.
5
1104 End address out-of-range
error
The write end address (write start
address + number of elements)
exceeds the final address of the vari-
able area.
6
1003 Number of elements/data
mismatch
The amount of data does not match
the number of elements.
7
110B Response too long The response exceeds the communi-
cations buffer size (when the number
of elements is larger than 0002).
8
1100 Parameter error • Bit position is not “00.”
• The write data is out of the setting
range.
• The command code or related infor-
mation in the operation command is
wrong.
9
3003 Read-only error An attempt was made to write to vari-
able type “C0.”
10
2203 Operation error • Attempted to write to a parameter in
setup area 1 from setup area 0.
• CPU or EEPROM error
11
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