
Appendix C: Communications via PROFIBUS
C.10 Diagnostics
SITRANS LR250 (PROFIBUS PA)
274
Operating Instructions, 08/2014, A5E32221386-AC
C.10.4
Condensed mode diagnosis
Condensed Mode Diagnosis
Hex values
Byte
Bit
Description
Indication class
a)
0x01000000
0
0
Electronics failure
R
0x02000000
1
Mechanical failure
R
0x04000000
2
Motor Temperature too high
R
0x08000000
3
Electronics temperature too high
R
0x10000000
4
Memory error
R
0x20000000
5
Measurement failure
R
0x40000000
6
Device not initialized (no calibration)
R
0x80000000
7
Self calibration failed
R
0x00080000
2
3
New startup carried out (Warm Start)
R
0x00100000
4
Restart carried out (Cold Start)
R
0x00200000
5
Maintenance required
R
0x00400000
6
Reserved for use within the PNO
A
0x00800000
7
Set to 1 (one), if the Ident_Number of the running
cyclic data transfer and the value of Physical
Block IDENT__NUMBER_SELECTOR parameter
are different.
A
0x00010000
3
0
Failure of the device or armature
R
0x00020000
1
Maintenance demanded
R
0x00040000
2
Device is in function check mode, or simulation,
or under local control e.g. maintenance
R
0x00080000
3
The process conditions do not allow the return of
valid values. (Set if a value has the quality
Uncertain - Process related, no maintenance or
Bad - Process related, no maintenance.)
R
4 to 7
Reserved for use within the PNO
4
0 to 6
Reserved for use within the PNO
0x80000000
7
0: There is no more information available
1: More diagnosis information is available in
DIAGNOSIS_EXTENSION
a)
R indicates the message remains active as long as the reason for the message exists. A
indicates the message will automatically reset after 10 seconds.