6.4.3.4 Group drive
In the case of a group drive (several motors at one frequency inverter), the total
length shall be divided across the individual motors according to the value given in the
table. Please note that group drive with synchronous servomotors is not possible.
Use a thermal monitoring element on each motor (e.g. PTC resistor) in order to avoid
damage.
6.4.3.5 Speed sensor connection
Install sensor cables physically separate from motor cables. Comply with the sensor
manufacturer's specifications.
Connect the shield close to the frequency inverter and limit the length to the neces-
58 Operating Instructions ACU 06/13
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