Danfoss VACON 3000 Application Manual page 217

VACON® 3000
Application Guide
When the drive operates on the field weakening area, the brake current limit decreases automatically as a function of output fre-
quency.
A [A]
B
Illustration 46: Internal reduction of the brake current limit
A Current
B Brake current limit (ID 1085)
C
Field weakening point (ID 602)
7.239 (ID 1104) Counter 1 Mode
Location in the menu
•
AFE application: P3.11.1
Use this parameter to enable the maintenance counter. A maintenance counter tells you that the maintenance must be done when
the counter value goes above the set limit.
A maintenance counter tells you that maintenance must be done. For example, it is necessary to replace a belt or to replace the oil
in a gearbox. There are 2 different modes for the maintenance counters, hours or revolutions*1000. The value of the counters in-
creases only during the RUN status of the drive.
MAINTENANCE HAZARD
Only an approved electrician can do maintenance. There is a risk of injury.
-
Do not do maintenance if you are not approved to do it.
The revolutions mode uses motor speed, which is only an estimate. The drive measures the speed every second.
When the value of a counter is more than its limit, an alarm or a fault shows. You can connect the alarm and fault signals to a digital
output or a relay output.
When the maintenance is completed, reset the counter with a digital input or parameter Counter 1 Reset (ID 1107).
7.240 (ID 1105) Counter 1 Alarm Limit
Location in the menu: P3.11.2
Use this parameter to set the alarm limit for the maintenance counter. When the value of the counter goes above this limit, a main-
tenance alarm occurs.
7.241 (ID 1106) Counter 1 Fault Limit
Location in the menu: P3.11.3
Danfoss A/S © 2021.09
C
C A U T I O N
N O T I C E
D
E [Hz]
D Field weakening area
E Output frequency
AB319735759636en-000101 / DPD01822 | 217
Parameter descriptions