8 | Connection STOBER
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12/2018 | ID 442537.05
8.3.4 EMC recommendations
Information
This chapter provides general information on EMC-compliant installation. These are
recommendations. Depending on the application, the ambient conditions as well as the legal
requirements, measures beyond these recommendations may be required.
Lay the power line, motor cable and signal lines separately from each other, e.g. in separate
conduits.
Only use shielded, low-capacitance cables as motor cables.
If the brake line is carried in the motor cable, it must be shielded separately. Also close the
brake lines on the drive controller if you are using a motor with a brake.
Connect the shield of the motor cable over large contact areas and in the immediate vicinity of
the drive controller. To do so, use the EMC shroud EM6, for example.
The connection lines for braking resistors and the connection lines for Quick DC-Link modules
have to be implemented as twisted pairs. At line lengths of 30cm or more, the lines also have to
be implemented with shielding and the shield must be applied over a wide area in immediate
proximity to the drive controller.
For motors with terminal boxes, connect the shield to the terminal box over large contact areas.
For example, use EMC cable screw connections.
Connect the shield of the control lines on one side with the reference ground of the source, e.g.
the PLC or CNC.
8.4 Drive controller
The following section contains detailed information about the terminals and the correct
connection of the drive controller.
8.4.1 Overview with ST6 safety module
The images for the connection overviews described in this chapter show the SD6 drive
controller in every size with the following equipment:
§ ST6 safety module (STO over terminals)
§ XI6 terminal module
§ EC6 communication module (EtherCAT)
Alternatively, the following equipment is available:
§ RI6 or IO6 terminal modules
§ CA6 (CANopen) or PN6 (PROFINET) communication modules
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