3.16 Parameters 18-** Data Readouts 2
3.16.1 18-0* Maintenance Log
This group contains the last 10 preventive maintenance
events. Maintenance log 0 is the latest and maintenance
log 9 the oldest.
By selecting 1 of the logs and pressing [OK], the
maintenance item, action, and time of the occurrence are
shown in
parameter 18-00 Maintenance Log: Item
–
parameter 18-03 Maintenance Log: Date and Time
.
The alarm log key allows access to both alarm log and
maintenance log.
18-00 Maintenance Log: Item
Array [10]
Shows the fault code. For information about the fault code, see
the
design guide
.
Range:
Function:
0
*
[0 - 255 ] Find the meaning of the maintenance item in
parameter 23-10 Maintenance Item
18-01 Maintenance Log: Action
Array [10]
Shows the fault code. For information about the fault code, see
the
design guide
.
Range:
Function:
0
*
[0 - 255 ] Find the meaning of the maintenance action in
parameter 23-11 Maintenance Action
18-02 Maintenance Log: Time
Array [10]
Range:
Function:
0 s
*
[0 - 2147483647 s] Shows when the logged event
occurred. Time is measured in s since
last power-up.
18-03 Maintenance Log: Date and Time
Array [10]
Range:
Function:
Size
related
*
[ 0 -
0 ]
Shows when the logged event occurred.
NOTICE
This requires that the date and time is
programmed in
parameter 0-70 Date
and Time
.
Date format depends on the setting in
parameter 0-71 Date Format
, while the time
format depends on the setting in
.
18-03 Maintenance Log: Date and Time
Array [10]
Range:
Function:
NOTICE
The frequency converter has no back-
up of the clock function. The set date/
time resets to default (2000-01-01
00:00) after a power-down unless a
real-time clock module with back-up
is installed. In
, it is possible to program a
warning in case the clock has not
been set properly, for example after a
power-down. Incorrect setting of the
clock affects the time stamps for the
maintenance events.
NOTICE
When mounting a VLT
®
Analog I/O MCB 109 option card,
a battery back-up of date and time is included.
3.16.2 18-1* Emergency Mode Log
The log covers the latest 10 faults which have been
suppressed by the emergency mode function. See
parameter group
24-0* Emergency Mode
. The log can be
viewed either via the following parameters or by pressing
[Alarm Log] on the LCP and selecting
Emergency mode log
.
It is not possible to reset the emergency mode log.
18-10 Emergency Mode Log:Event
Range:
Function:
0
*
[0 - 255 ] This parameter contains an array with 10
elements. The number read represents a fault
code, which corresponds to a specific alarm. This
can be found in the
chapter Troubleshooting
in
the
design guide
.
18-11 Emergency Mode Log: Time
Range:
Function:
0 s
*
[0 - 2147483647
s]
This parameter contains an array with
10 elements. The parameter shows
when the logged event occurred. Time
is measured in seconds since the first
start of the motor.
Parameter Description
VLT
®
AQUA Drive FC 202
156
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MG20OB02
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