9300 Servo PLC
Appendix
3-9
l
ServoPLC EN 2.0
The history buffer information are saved under codes C0168/x ... C0170/x:
C0168
C0169
C0170
Subcode contains information about
1
Active error
2
Last error
Frequency of
3
Last but one error
No.
of
system error message
Time
Frequency of
the same error in
4
Last but two erro
system error message
and
response
Time
of occurrence
the same error in
sequence
5
Last but three error
and
response
6
Last but four error
7
Last but five error
8
Last but six error
Tip!
The history buffer works according to the principles of a shift register.
If the active error is no longer active or has been acknowledged by a TRIP RESET all history buffer
information are automatically shifted up one subcode .
•
Information about the previous error is now under subcode 2.
•
Information about the last but six error are deleted from the history buffer and cannot be
called up any more.
Note!
•
Several errors causing different responses at the same time:
– The hisory buffer only holds the error with the response of highest priority (priority = TRIP
®
message
®
FAIL-QSP
®
warning).
•
Several errors causing the same response at the same time (e. g. 2 messages):
– The history buffer only holds the first error.
•
The same error again in sequence:
– The history buffer only holds the time of the last occurrence.
TRIP reset
The active error can be reset under C0043.
Code
LCD
Possible settings
Info
o
Lenze
Selection
o
C0043 Trip reset
0
TRIP reset
0
TRIP reset (reset of current TRIP)
1
TRIP active
Delete entries from history buffer
The entries in the history buffer can be deleted under C0167.
•
This function is only applicable if the display does not indicate any errors.
Code
LCD
Possible settings
Info
o
Lenze
Selection
o
C0167 Reset failmem
0
Reset history buffer
0
No function
1
Delete entries from history buffer
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