4-10 Description of Diagnostic Messages F… and E… ECODRIVE03-SGP-03VRS
DOK-ECODR3-SGP-03VRS**-WA01-EN-P
Permissible signal amplitudes for sine and cosine signals
cosine signal amplitude
15
10
0
-5
-10
5
-15
-15 -10 -5 0 5 10 15
sine signal amplitude
Dg5004a1.fh7
nominal pointer length (9.2 V)
minimum pointer length > 5.0 or 1.0 V
maximum pointer length > 11.8 V
=non-permissible range
Fig. 4-3: Correct signal amplitude
Note: When an incremental encoder with square-wave signals is
used, the signals are not monitored.
Example:
Ucos = -6.5V
Usin = 6.5V
()
pointer length = - 6.5V + 6.5V » 9.2V
2
2
Remedy:
1. Check the measuring system cable.
1. Check the measuring system.
2. In the case of linear measuring systems, check the mounting of
the measuring head.
F245 Encoder 2 failure: quadrant error
The evaluation of the additional optional encoder (encoder 2) is active. In
the evaluation of the sinusoidal input signals of the optional encoder, a
plausibility check is performed between these signals and the counter fed
by these signals. Doing this, an error has been encountered.
Cause:
1. Defective encoder cable
2. Disruptive electro-magnetic interference on the encoder cable
3. Defective encoder interface
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