Rockwell Automation 1557 MEDIUM VOLTAGE AC DRIVE - Manual (Page 109)

PARAMETER AND VARIABLE DESCRIPTIONS 6-53
1557-UM050F-EN-P – June 2013
Warning Flags B [Warning flags B]
Linear number: 374
Minimum value 0000 HEX
Maximum value: FFFF Hex
Default Value: N/A
This variable is the non-maskable drive warning flags. It is bit encoded as shown below:
xxx1H- rated rpm warning
xxx2H- PWM frequency too high warning
xxx4H- rated current feedback out of range
xxx8H- filter capacitor out of range
xx1xH- not used
xx2xH- not used
xx4xH- not used
xx8xH- not used
x1xxH- control overtemperature warning (> 60

C) (not used in Rev 4.xx)
x2xxH- fan loss warning (Rev 5.3x only)
x4xxH- synchronous transfer failed
x8xxH- software error
1xxxH- communications processor board failure
2xxxH- SCANport adapter loss
4xxxH- speed command loss
8xxxH- local control loss
PLC Error Flags [PLC error flags]
Linear number:
376
Minimum value: 0000 Hex
Maximum value: FFFF Hex
Analog Output Scaling: N/A
This variable is the PLC Remote I/O error flags. It is bit encoded as shown below:
xxx1H - Link A1 value out of range
xxx2H - Link A2 value out of range
xxx4H - Link B1 value out of range
xxx8H - Link B2 value out of range
xx1xH - Link C1 value out of range
xx2xH - Link C2 value out of range
xx4xH - Link D1 value out of range
xx8xH - Link D2 value out of range
x1xxH - Link A1 operation error
x2xxH - Link A2 operation error
x4xxH - Link B1 operation error
x8xxH - Link B2 operation error
1xxxH - Link C1 operation error
2xxxH - Link C2 operation error
4xxxH - Link D1 operation error
8xxxH - Link D2 operation error
An operation error will be indicated if the corresponding link is not defined, or if an attempt is made to modify a
parameter or variable that cannot be changed.