Danfoss Vacon NXP Applications Manual page 95

Description of parameters
2.8.1 MF Mode
This parameter is used when you have two drives in Shaft Generator operation and the
drives must operate to an upper system as a single unit.
0 = Single drive
System bus is deactivated. For example, in Shaft Generator system both drives are
controlled separately.
1 = Master
The drive sends a control word to the follower drive. For example, in Shaft Generator
system both drives must operate as a single drive.
2 = Follower
The drive receives a control word from the master drive and sends diagnostic
information back.
3 = Master: Mode 2
NOTE! Requires a uGrid Licence (P3.2 uGrid Licence)
See chapter Licences.
4 = Follower: Mode 2
NOTE! Requires a uGrid Licence (P3.2 uGrid Licence).
See chapter Licences.
2.8.2 SB Comm. Fault
This parameter defines the response when the system bus heartbeat is missing.
The master drive sends a heartbeat signal to all follower drives and this heartbeat is
sent back to the master drive.
2.8.3 SB Fault Delay
This parameter defines the delay before a fault generation when the heartbeat is
missing.
2.8.4 MF Mode 3 Licence
Enter a licence for MF Mode 5 and 6 operation if requested by factory.
See chapter Licences.
24-hour support: +358 (0)201 212 575 • Email: vacon@vacon.com
vacon · 93
5