Siemens Simovert Masterdrives Compendium page 1358

Parameter Description
n591 The visualization parameter displays the present fault
FaultMssg P message of positioning. The value 2000 must be added to
the displayed fault number. Please refer to Appendix A of
2591 the manual "Motion Control for MASTERDRIVES MC and
SIMATIC M7" for a description of the fault messages.
U591 is also used for checking a positioning record
entered via U571...U90:
U591=0 ==> No fault has occurred
U591>0 ==> A fault has occurred with the fault number
2000+U591
U599* Significance:
Dist Disp - Index 1: Length Resolution:Position of decimal point in
length unit:
2599
0 = 1
1 = 0.1
2 = 0.01
3 = 0.001
4 = 0.0001
- Index 2: Length Interpretation
Physical unit of length: 0 = user-defined, 8 ASCII
characters of the customer unit are in the index 3 ... 10
1 = mm
2 = Inch
3 = Degree
- Index 3: User-defined text for unit of length (only relevant
when Index 2 = 0):
1st ASCII character
- Index 4: ditto, 2nd ASCII character
.....
- Index 10: ditto, 8th ASCII character
Siemens AG 6SE7087-6QX70 (Edition AL )
SIMOVERT MASTERDRIVES Compendium Motion Control
Data Read/write
Dec.Plc.: 0 Menus:
Unit: - - Parameter menu
Indices: - + Technology
Type: O2 + Positioning
- Upread/free access
index1: 3 Menus:
Min: 0 - Parameter menu
Max: 255 - Upread/free access
Unit: - Changeable in:
Indices: 10 - Ready to switch on
Type: O2 - Operation enabled
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