ABB REG316 4 Series Operating Instructions Manual page 588

ABB Switzerland Ltd
Diagnosis: main processor 316VC61a/316VC61b ready
·
(0001H).
Diagnosis: A/D processor EA6. not ready.
·
The external A/D processor 316EA62 or 316EA63 is not
ready. This occurs during normal operation, because the A/D
processor on the 316VC61a/316VC61b is active.
Diagnosis: internal A/D ready (0001H)
·
The A/D processor on the 316VC61a/316VC61b is ready.
Diagnosis: system status: OK.
·
The above list of diagnostic messages reflects the operating
state when the device is standing by. The following messages
and hexadecimal weightings can be generated by a fault.
Designation Function
RDY Device standing by
WDTO Watchdog time-out
WDDIS Watchdog disabled
HLT Stop procedure initiated
SWINT Software interrupt
RAM RAM error
ROM ROM error
VREF Reference voltage out-of-tolerance
ASE A/D converter error
EEPROM Parameter memory error
The hexadecimal weighting of an error message may also be the
addition of simpler errors. For example, VREF and ASE are re-
corded as 0400H + 0800H = 0C00H.
Failures with a weighting less than 080H are listed as 'minor er-
rors', e.g. a warm start after pressing the reset button.
Failures with a weighting higher than 0100H are 'fatal errors' and
result in blocking of the protection and control functions.
Note: Normally, a fatal error always concerns the entire device.
An exception to this rule occurs when an EEPROM error is de-
tected on a 316EA62 or 316EA63.
6-4
REG 316*4 1MRB520049-Uen / Rev. C
Weighting
0001H
0002H
0004H
0008H
0010H
0100H
0200H
0400H
0800H
2000H