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4-21
890CS & 890CD Common Bus Units
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames E & F
Power Connections - 890CS Common Bus Supply
DC+ / DC- Bottom Terminals
DC+
DC-
Use these terminals to wire the DC Bus.
Use correctly rated wire - refer to Appendix E.
Maximum wire sizes:
Frame B1: 10mm
2
/ 8AWG, 2.5-3Nm / 1.8-2.2lbf
Frame B2: 16mm
2
/ 4AWG, 2.5-3Nm / 1.8-2.2lbf
Frame D1: 50mm
2
/ 1/0AWG, 15-20Nm / 11-14.8lbf
Frame D2: 95mm
2
/ 4/0AWG, 15-20Nm / 11-14.8lbf
EXTERNAL BRAKE RESISTOR - Option
DBR+ DBR-
You can connect an external brake resistor between
terminals DBR+ and DBR-.
DO NOT
apply external voltage sources (mains supply or
otherwise) to the braking terminals.
Maximum wire size:
16mm
2
/ 6AWG 1.2Nm / 0.9lbf
Refer to Chapter 7:"Associated Equipment" for brake
resistor selection.