3-10 Description of diagnostic letters F... and E... ECODRIVE03 SMT-02VRS
DOK-ECODR3-SMT-02VRS**-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 (9,2V)
minimum pointer length > 1,0V
maximum pointer length > 11,8V
=non-permissible range
Fig. 3-4: Correct signal amplitude
Note: When an incremental encoder with squarewave signals is
used, the signal is not monitored.
Example:
Ucos = -6.5V
Usin = 6.5V
()
pointer length = - 6.5V + 6.5V »9.2V
2
2
Remedy:
1. Check the measurement system cable.
2. Check the measurement system.
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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