Rockwell Automation 1557 MEDIUM VOLTAGE AC DRIVE - Manual (Page 107)

PARAMETER AND VARIABLE DESCRIPTIONS 6-51
1557-UM050F-EN-P – June 2013
Fault Flags 1M [Fault flags 1M]
Linear number:
370
Minimum value: 0000 Hex
Maximum value: FFFF Hex
Analog Output Scaling: N/A
This variable is the machine converter class 1 fault flags. It is bit encoded as shown below:
xxx1H - motor self test
xxx2H - motor parameter checksum
xxx4H - software watchdog
xxx8H - hardware watchdog
xx1xH - software overcurrent
xx2xH - hardware overcurrent
xx4xH - ac overvoltage
xx8xH - dc overvoltage
x1xxH - motor stall
x2xxH - dc/dc converter failure (Rev 5.32 only)
x4xxH - motor thyristor open
x8xxH - motor thyristor short
1xxxH - dc control power
2xxxH - motor unbalance (current or flux)
4xxxH - output contactor open
8xxxH - no Vdc feedback
Fault Flags 2 [Fault flags 2]
Linear number:
371
Minimum value: 0000 Hex
Maximum value: FFFF Hex
Analog Output Scaling: N/A
This variable is the class 2 fault flags. It is bit encoded as shown below:
xxx1H - drive overload
xxx2H - motor overload
xxx4H - motor overspeed
xxx8H - control overtemperature (> 70

C) (not used in Rev 4.xx)
xx1xH - synchronous transfer failed
xx2xH - neutral overvoltage
xx4xH - SCANport fault
xx8xH
– fan loss fault (Rev 5.3x only)
x1xxH - overtemperature 1
x2xxH - overtemperature 2
x4xxH - overtemperature 3
x8xxH
– undertemperature (1557M only)
1xxxH - overtemperature 5
2xxxH - overtemperature 6
4xxxH - overtemperature 7
8xxxH - incompatible firmware for drive control or communications processor boards