1st edition, 20.04.2021
7000.05072, 1st edition, 20.04.2021
7000.05072
Installation
70
4.3.7
Error avoidance and troubleshooting
1. Can the problem clearly be traced back to the FAULHABER drive system?
a) Switch the output stage off and on.
The voltage controller mode is suitable here.
b) Unplug controller supply voltages or operate controller via a separate external
power supply used solely for this purpose.
c) If present, switch off unnecessary system components.
2. Have the measures shown in chap. 4.3.2, p. 61 been performed and tested?
a) Can a uniform ground potential be ensured, e.g., by using large cable cross sec-
tions?
b) Is the RF quality of the connections ensured?
Establish connection through metal-to-metal connection elements.
Remove paints or other insulating materials. Check that the shield connection is
correct.
3. Were the recommended cables used?
a) Select motor cables in the accessory catalog.
b) Motor cables must be shielded as they otherwise act as an antenna.
Unshielded cables could cause interference in the surrounding area. If uncertain,
the shield can be doubled; for further information, see FAULHABER accessories
catalog and chap. 4.3.4, p. 63.
4. Are the contacts correctly screwed down or properly plugged in?
5. Are the cables laid in accordance with the standards/directives (e.g., IPC-A-620B-2013)?
a) Sensor cables and encoders are to be laid at least 10 cm from the motor phases.
b) Lay sensor cables at least 10 cm from all other signal cables that are not also sensor
cables. Alternatively, use absolute encoders and/or line drivers.
c) Keep cables away from high-voltage current and mains cables.
d) Only cross cables at an angle of 90°.
6. Is it necessary to use filters?
a) Use filters in the case of poor signal quality or if interference occurs/is to be
expected.
b) Note the product listing in chap. 4.3.5, p. 66.