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MSD Servo Drive User Manual SERCOS II
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[ Chapter 5 ]
5 Fault, warning and status
messages
5.1 Fault messages
The key fault messages of the drive are displayed in parameter S-0-0011 (state class 1).
The fault messages in square brackets are defined in the SERCOS specification but are
not supported by the MSD Servo Drive.
Parameter Description
S-0-0011
State class 1 (C1D)
Drive lockout
A fault situation of state class 1 in the drive leads to:
1. Best possible shutdown and subsequent torque enable at speed n-min.
2. b) The drive lockout bit (bit 13) in the drive status is set to “1”. The fault
bit is only cleared by the drive and reset to “0“ when there are no more
faults of state class 1 occurring and the “Reset state class 1” command
(S-0-0099) has been received by the drive over the service channel.
The bits defined in C1D are additionally defined by the single parameters in
brackets.
Structure of the C1D parameter:
Bit 0: Overload shut-off (S-0-0114)
Bit 1: Amplifier overheating shut-off (S-0-0203)
Bit 2: Motor overheating shut-off (S-0-0204)
[Bit 3: Cooling fault shut-off (S-0-0205) ]
[Bit 4: control voltage fault]
Bit 5: Feedback fault (encoder fault)
Bit 6: Fault in commutation system
Bit 7: Overcurrent
Bit 8: Overvoltage
Bit 9: Undervoltage fault
[Bit 10: Phase fault in power supply ]
Bit 11: Excessive control deviation (S-0-0159)
Bit 12:Communication fault (S-0-0014)
Bit 13: Position limit value exceeded (shut-off) (S-0-0049, S-0-0050)
Bit 14: (reserved)
Bit 15: Manufacturer specific fault (S-0-0129)
Bit = 0 No fault
Bit = 1 Fault
Table 5.1 Structure of parameter S-0-0011 (state class 1)
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