FIELDBUS COMMUNICATION Protocol Address Bit Data Description 8 Fieldbus fault Fieldbus communication failure 9 Low supply voltage Too low control supply voltage 10 High current Too high current 11 Motor overload Too high motor temperature 12 Locked rotor protection Current is higher than settable value during top of ramp 13 Underload protection Current is lower than settable value during top of ramp 14 Reserved 15 Reserved 2001h 0..15 Reserved 2002h 0..15 Reserved 2003h 0 Reserved 1 Reserved 2 Reserved 3 Reserved 4 Parameter is read-only This bit is set if a parameter write operation failed due to the parameter being read-only.
5 Parameter is not settable This bit is set if a parameter write operation failed due to the parameter not being setta- ble (such as during a soft start or soft stop). 6 Parameter value is out of range This bit is set if a parameter write parame- ter operation failed due to the set value be- ing out of range. 7 Extended diagnostic availa- ble If set, fault code provides extended diag- nostics. 8..15 Fault code This can be additional info for a fault such as in which phase the fault occurred or the parameter number of the latest read/write parameter operation failure.
The diagnostic data is composed of a bit map of all potential faults and protections, as well as a flag, which indicates if the active fault or protection can be reset. If “Parameter is read- only”, “Parameter not settable in current state” or “Parameter out of range” bits are set, “Fault code” contains the parameter number. “Parameter not settable in current state” can occur if the motor is running. If “Extended diagnosis is available” is set, “Fault code” contains the Event information for the current event. For events that can occur on a specific line, e.g., Phase loss, the value of the fault code will indicate the line number the event occurred on.
A “4” indicates the line cannot be determined or the problem exists on all three phases. © Copyright 2019 ABB. All rights reserved. STATUS Approved SECURITY LEVEL Public DOCUMENT ID. 1SFC132367M0201 REV. B LANG. en PAGE 10/22