Error messages and troubleshooting
Parameter manual b maXX BM3000
Document no.: 5.12001.07
751
of 820
5
406 Lighting failure EnDat
®
interface The error is triggered by module EnDat
®
interface when the absolute
encoder reports a lighting failure via the EnDat
®
interface. Without
lighting, the optical sampling system of the encoder no longer works
and no valid position information can be calculated anymore.
m Cause:
Cause for a lighting failure in the encoder may be contamination,
aging, or excess temperature.
n Remedy:
Replace encoder.
Pulse block
407 Signal amplitude too small EnDat
®
interface
The error is triggered by the module EnDat
®
interface when the
absolute encoder reports via the EnDat
®
interface that the amplitude
of the Sine/Cosine signals is too small. Sine/Cosine signals that are
too small can lead to a position loss.
m Cause:
Cause for sine/cosine signals that are too small may be contami-
nation, aging, or excess temperature.
n Remedy:
Replace encoder.
Pulse block
408 Position error EnDat
®
interface The error is triggered by the module EnDat
®
interface when an error
occurred during the calculation of the absolute position in the abso
-
lute encoder. An incorrect absolute position can lead to miscommu-
tation for synchronous motors.
m Cause:
Cause for an incorrect position calculation may be contamination,
aging, or excess temperature.
n Remedy:
Replace encoder.
Pulse block
409 Overvoltage EnDat
®
interface The error is triggered by the module EnDat
®
interface when the
absolute absolute encoder reports via the EnDat
®
interface that the
supply voltage applied to the encoder is too high.
m Cause:
Cause for supply voltage applied to the encoder may be a defec-
tive Sense line (Pin12 on X24/X25, Sub-D15). In this case, the
supply voltage may be switched to 8 V (Stegmann encoder).
n Remedy:
Check encoder cable
m Cause:
Cause can also be a defect in the encoder hardware.
n Remedy:
Replace encoder.
Pulse block
410 Undervoltage EnDat
®
interface The error is triggered by the module EnDat
®
interface when the
absolute encoder reports via the EnDat
®
interface that the supply
voltage is too low.
m Cause:
Cause for a encoder supply voltage that is too low may be cor-
roded contacts
n Remedy:
Check encoder cable
m Cause:
Cause can also be a defect in the encoder hardware.
n Remedy:
Replace encoder.
Pulse block
Error
num-
ber
Brief error text Error description Default set-
ting for
Error
Response
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