1.
2.
•
•
1.
2.
3.
•
•
#
Alarm log data
Parameter
Priority real-time clock (if available).
Priority operating time (if RTC is not available).
2
Alarm code
Parameter 15-30 Fault Log: Error Code
3
Frequency
Parameter 16-13 Frequency
4
Speed (RPM)
Parameter 16-17 Speed [RPM]
5
Reference (%)
Parameter 16-02 Reference %
7
DC-link voltage
Parameter 16-30 DC Link Voltage
9
Motor phase U current
Parameter 16-45 Motor Phase U Current
10 Motor phase V current
Parameter 16-46 Motor Phase V Current
11 Motor phase W current
Parameter 16-47 Motor Phase W Current
12 Motor phase voltage
Parameter 16-12 Motor Voltage
15 Control word
Parameter 16-00 Control Word
16 Status word
Parameter 16-03 Status Word
4.15.4 Clearing the Service Log
The flash memory stores up to 24 records. To save more logs, clear the service log memory.
Save the service log records using the VLT® Motion Control Tool MCT 10 before clearing the service log.
Clear the service log after a commissioning to remove any alarms that occurred during testing.
Procedure
Select option
[5] Clear Service Log
in
parameter 14-22 Operation Mode
.
Power cycle the drive. Clearing the service log extends the power-up time by approximately 1 s.
4.15.5 Service Log Indication
Parameter 16-42 Service Log Counter
shows the number of service logs stored in the memory.
The drive indicates a full service log memory in 1 of the following ways:
The LCP shows the message:
Clear logs Service log full: 28 [M26]
.
Bit 25 is set high in
parameter 16-96 Maintenance Word
(0x2000000).
Performing the drive initialization does not clear the service log memory.
4.15.6 Reading the Service Log Information
See the VLT® Motion Control Tool MCT 10 to read the service log information.
Procedure
Open the MCT 10 software.
Select a drive.
Select the Service Log plug-in.
AU373327181955en-000101 / 130R1208 | 291
Danfoss A/S © 2021.08
Parameter Descriptions
VLT® AutomationDrive EZ FC 321
Programming Guide
