SI-INTERBUS User Guide
49
Issue Number: 1
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Table 8-11 RESPONSE ID codes
If RESPONSE ID 7 has been received, the error code can be read from word 3. This will
indicate the reason why the TASK ID request failed (see
).
Table 8-12 PPO 4 Word error codes
RESPONSE
ID
Function
Description
0
No task
No non-cyclic transaction active.
1
Fieldbus specific
2
Fieldbus specific
3
Not implemented
Reserved
4
Transfer parameter
value (16-bit)
Returns a 16-bit data value from the request parameter
value specified by TASK ID 6, or the successful change
parameter value (16-bit) specified by TASK ID 7.
5
Transfer parameter
value (32-bit)
Returns a 32-bit data value from the request parameter
value specified by TASK ID 6, or the successful change
parameter value (32-bit) specified by TASK ID 8.
6
Transfer last parameter
reference
Returns the highest parameter for the menu specified by
request last parameter reference, TASK ID 9.
7
Error – TASK ID could
not be executed
The previously specified TASK ID could not be completed.
Word 3 will return an error code to indicate the reason for
the TASK ID failure (see
8
Error – read-only
parameter
Target parameter specified by TASK ID 7 or TASK ID 8 is
Read-only, and cannot be modified.
ERROR CODE
Error
Description
0
Invalid menu
The specified menu does not exist.
1
Parameter is read-only
The specified parameter is read-only, and
cannot be written to.
2
Value is out of range
The specified data value is out of range for the
parameter.
3
Invalid parameter or menu
The specified parameter does not exist.
18
Parameter error
No last parameter information available.