Emerson SI-PROFIBUS - Page 97

Unidrive M SI-PROFIBUS User Guide 97
Issue Number: 3
Safety
information
Introduction
Mechanical
installation
Electrical
installation
Getting
started
Parameters
GSD
Files
Cyclic data
Non-cyclic
data
Control and
status words
Diagnostics
PROFIdrive
profile (V4)
Advanced
features
Legacy
features
Glossary of
terms
Index
Table 14.18 PPO 4 Word error codes
14.7.3 Reading parameters using PPO 4 Word mode
Figure 14-3 shows the sequence of events required to read a drive parameter using the
PPO 4 Word non-cyclic channel.
Figure 14-3 PPO 4 Word Read sequence
Table 14.19 shows the possible TASK ID and RESPONSE ID combinations that may be
seen when attempting to read a parameter value from a drive.
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 out of range
The specified data value is out of range for the
parameter.
3
Invalid parameter /
menu
The specified parameter does not exist.
18 Parameter error No last parameter information available.
Set OUT Word
0 to 0
ERROR:
TASK ID could not
be executed
CASE:
RESPONSE ID
END OF
SEQUENCE
Specify
PARAMETER in
OUT Word 1
Specify TASK ID
and MENU in OUT
Word 0
SUCCESS:
Read 16-bit data
value from IN Word 3
0
4 5
7
SUCCESS:
Read 32-bit data
value from IN Word 2
and IN Word 3
Set OUT Word
2 to 0
Set OUT Word
3 to 0
START