List of faults and alarms
Faults and alarms
3-1171
© Siemens AG 2012 All Rights Reserved
SINAMICS S110 List Manual (LH7), 06/2012, 6SL3097-4AP10-0BP3
Re fault value, bit 2 = 1:
- correct encoder cable connected?
- replace the encoder or encoder cable
Re fault value, bit 3 = 1:
- correct encoder cable connected?
- replace the encoder or encoder cable
Reaction upon N:
NONE
Acknowl. upon N:
NONE
Reaction upon A:
NONE
Acknowl. upon A:
NONE
F31121 (N, A)
Encoder 1: Coarse position error
Message value:
-
Drive object:
SERVO_S110-CAN, SERVO_S110-DP, SERVO_S110-PN
Reaction:
ENCODER (NONE)
Acknowledge:
PULSE INHIBIT
Cause:
For the actual value sensing, an error was detected on the module.
As a result of this error, it must be assumed that the actual value sensing supplies an incorrect coarse position.
See also: p0491 (Motor encoder fault response ENCODER)
Remedy:
Replace the motor with DRIVE-CLiQ or the appropriate Sensor Module.
Reaction upon N:
NONE
Acknowl. upon N:
NONE
Reaction upon A:
NONE
Acknowl. upon A:
NONE
F31122
Encoder 1: Internal power supply voltage faulty
Message value:
%1
Drive object:
SERVO_S110-CAN, SERVO_S110-DP, SERVO_S110-PN
Reaction:
ENCODER
Acknowledge:
IMMEDIATELY
Cause:
Fault in internal reference voltage of ASICs for encoder 1.
Fault value (r0949, decimal interpretation):
1: Reference voltage error.
2: Internal undervoltage.
3: Internal overvoltage.
Remedy:
Replace the motor with DRIVE-CLiQ or the appropriate Sensor Module.
F31123 (N, A)
Encoder 1: Signal level A/B unipolar outside tolerance
Message value:
Fault cause: %1 bin
Drive object:
SERVO_S110-CAN, SERVO_S110-DP, SERVO_S110-PN
Reaction:
ENCODER (IASC/DCBRAKE, NONE)
Acknowledge:
PULSE INHIBIT
Cause:
The unipolar level (AP/AN or BP/BN) for encoder 1 is outside the permissible tolerance.
Fault value (r0949, interpret binary):
Bit 0 = 1: Either AP or AN outside the tolerance.
Bit 16 = 1: Either BP or BN outside the tolerance.
The unipolar nominal signal level of the encoder must lie in the range 2500 mV +/- 500 mV.
The response thresholds are < 1700 mV and > 3300 mV.
Note:
The signal level is not evaluated unless the following conditions are satisfied:
- Sensor Module properties available (r0459.31 = 1).
- Monitoring active (p0437.31 = 1).
See also: p0491 (Motor encoder fault response ENCODER)
Remedy:
- make sure that the encoder cables and shielding are installed in an EMC-compliant manner.
- check the plug connections and contacts of the encoder cable.
- check the short-circuit of a signal cable with mass or the operating voltage.
- replace the encoder cable.
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