User Manual

7-8 LonWorks Module for VTAC 7 Drives
Fault Word 1
Definition: network output SNVT_state nvoFault1
Explanation:
Range:
Fault Word 2
Definition: network output SNVT_state nvoFault2
Explanation:
Range:
Bit Description
0 Network communication loss
1 Bypass contact failure
2 High-time identification aborted
3 Drive not identified
4 High line voltage
5 Write to EEROM failure
6 Power unit overload
7 Earth current failure
8 Asymmetrical bus charge
9 Missing power unit ID connector
10 Unselected power unit
11 Input phase loss
12 Encoder loss
13 Analog input loss (4-20 mA input < 1 mA)
14 Unused
15 Fatal system error
Bit Description
0 Overcurrent steady state
1 Overcurrent while accelerating
2 Overcurrent while decelerating
3 Overcurrent during DC braking
4 DC bus too high
5 DC bus too low
6 Electronic thermal overload
7 Thermostat overtemperature
8 Function loss
9 EPROM defaults restored
10 Loss of communication from serial port
11 Spurious UART interrupt
12 Torque/current self-tuning fault
13 Overspeed (10% over max speed)
14 Output phase loss
15 Overfrequency
Bit Description
0 Overcurrent steady state
1 Overcurrent while accelerating
2 Overcurrent while decelerating
3 Overcurrent during DC braking
4 DC bus too high
5 DC bus too low
6 Electronic thermal overload
7 Thermostat overtemperature
8 Function loss
9 EPROM defaults restored
10 Loss of communication from serial port
11 Spurious UART interrupt
12 Torque/current self-tuning fault
13 Overspeed (10% over max speed)
14 Output phase loss
15 Overfrequency