Danfoss VLT AAF006 Operating Instructions Manual page 56

Applications and Basic Prog...
15-14 Samples Before Trigger
Range: Function:
50 [0 - 100] Before a trigger event, enter the percentage of
*
all samples which are to be retained in the log.
See also 15-12 Trigger Event and
parameter 15-13 Logging Mode.
6.8.3 15-2* Historic Log
View up to 50 logged data items via the array parameters
in this parameter group. For all parameters in the group,
[0] is the most recent data and [49] the oldest data. Data is
logged every time an event occurs. Events in this context
are defined as a change in one of the following areas
•
Digital input.
•
Digital outputs.
•
Warning word.
•
Alarm word.
•
Status word.
•
Control word.
•
Extended status word.
Events are logged with value, and time stamp in ms. The
time interval between 2 events depends on how often
events occur (maximum once every scan time). Data
logging is continuous, but if an alarm occurs, the log is
saved and the values can be viewed on the display. This
feature is useful, for example when carrying out service
following a trip. View the historic log contained in this
parameter via the serial communication port or via the
display.
15-20 Historic Log: Event
Array [50]
Range: Function:
0 [0 - 255 ] View the event type of the logged events.
*
15-21 Historic Log: Value
Array [50]
Range: Function:
0 [0 - View the value of the logged event.
*
2147483647 ] Interpret the event values according to this
table:
Digtal input
MG90V302
Operating Instructions
Decimal value. See
parameter 16-60 Digital
Input for description after
converting to binary
value.
Danfoss A/S © 09/2014 All rights reserved.
15-21 Historic Log: Value
Array [50]
Range: Function:
Digital output
(not
monitored in
this SW
release)
Warning word Decimal value. See
Alarm word
Status word
Control word
Extended
status word
15-22 Historic Log: Time
Array [50]
Range: Function:
0 ms [0 - 2147483647 View the time at which the logged
*
ms] event occurred. Time is measured in
ms since unit start. The maximum
value corresponds to approximately 24
days, which means that the count
restarts at 0 after this time period.
6.8.4 15-3* Alarm Log
Parameters in this group are array parameters, where up to
10 fault logs can be viewed. [0] is the most recent logged
data, and [9] is the oldest. Error codes, values, and time
stamp can be viewed for all logged data.
15-30 Fault Log: Error Code
Array [10]
Range: Function:
0 [0 - 255] View the fault code and look up its meaning in
*
chapter 8.3 Active Filter Warning and Alarm
Definitions.
Decimal value. See
parameter 16-66 Digital
Output [bin] for
description after
converting to binary
value.
16-92 Warning Word for
description.
Decimal value. See
16-90 Alarm Word for
description.
Decimal value. See
parameter 16-03 Status
Word for description after
converting to binary
value.
Decimal value. See
parameter 16-00 Control
Word for description.
Decimal value. See
parameter 16-94 Ext. Status
Word for description.
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