Moog ACV with CANopen bus interface
8 Diagnostics
Fault reaction
B99224-DV018-D-211, Rev. A, October 2018
277
8.1.8 Last eight error message descriptions
The last eight error description strings can be read by the parameter <FaultReactionDescription> (0x2832).
The parameter <FaultHistoryNumber> (0x2833) selects one of the last eight error description strings. The
newest error description string is shown if the <FaultHistoryNumber> (0x2833) is set to zero and the oldest
saved error description string is shown if the <FaultHistoryNumber> (0x2833) is set equal to the parameter
<NumberOfErrors> (0x1003).
8.1.8.1 Object 0x2832: Fault reaction description
The parameter <FaultReactionDescription> (0x2832) contains the fault reaction description string depending
on the <FaultHistoryNumber> (0x2833) including the fault time in minutes since production of the servo valve.
The format is "A/B @ M min STRING". A = displayed fault number, B = count of faults, M = fault time,
STRING = description.
8.1.8.2 Object 0x2833: Fault history number
The parameter <FaultHistoryNumber> (0x2833) selects the fault description shown in the parameter
<FaultReactionDescription> (0x2832).
8.1.9 Emergency message
Every time a configured error occurs on the servo valve, it sends an emergency message with error register,
error code and timestamp to the master. The emergency message will also be sent if all errors has disap-
peared. In this case the fault code 0x00 (Error reset or no error) will be sent.
Chapter "2.8.2 Emergency (EMCY) protocol (COB-ID: 0x080+Node-ID)", page 17
Chapter "8.1.4 Error codes depending on fault codes", page 272
The coding of the emergency message is as follows:
FaultReaction
Index
Sub-index
Name
Data type
Access
Persistence
Value range
Default
0x2832
0
FaultReactionDescription
STRING
ro
-
None
None
FaultReaction
Index
Sub-index
Name
Data type
Access
Persistence
Value range
Default
0x2833
0
FaultHistoryNumber
UINT8
rw
N
0…7
None
Byte
7
6
5
4
3
2
1
0
Description
Moog-specific error code
Error
register
Emergency error code
codes depending on fault
codes", page 272
Power on time in minutes
Fault code
The displayed byte order of the transmitted emergency message is depending on the field bus
master.
