Ul Notice - Compact Motion; Fig. 38 Shield Connection - Beckhoff EL72 1-901 Series Manual

Installation
Connect the cores 4 of the motor cable 5, then attach the copper-sheathed end 6 of the motor cable 5 with
the shield clamp 7 to the shield busbar 3 or shield busbar clamp 3a. Tighten the screw 8 to the stop.
Fasten the PE clamp 9 to the shield busbar 3 or shield busbar clamp 3a. Clamp the PE core 10 of the motor
cable 5 under the PE clamp 9.
Fig. 38: Shield connection
Connection of the feedback cable to the motor
Twisting of the feedback cable cores
The feedback cable cores should be twisted, in order to avoid operational disturbances.
When screwing the feedback plug to the motor, the shield of the feedback cable is connected via the metallic
plug fastener.
On the terminal side the shield can also be connected. Connect the cores of the feedback cable and attach
the copper-sheathed end of the feedback cable to the shield busbar 3 or shield busbar clamp 3a with the
shield clamp 7. The motor cable and the feedback cable can be connected to the shield clamp 7 with the
screw 8.
4.13

UL notice - Compact Motion

Application
Beckhoff EtherCAT modules are intended for use with Beckhoff's UL Listed EtherCAT Sys-
tem only.
Examination
For cULus examination, the Beckhoff I/O System has only been investigated for risk of fire
and electrical shock (in accordance with UL508 and CSA C22.2 No. 142).
For devices with Ethernet connectors
Not for connection to telecommunication circuits.
50 Version: 1.9 EL72x1-901x