8 electrical connection of the control unit – NORD Drivesystems BU0180 User Manual
Page 34
SK 180E Manual for frequency inverters
34
Pre-series version
BU 0180 GB-0914
2.8 Electrical connection of the control unit
The control connections are located on the inside of the frequency inverter housing. The connections to the
terminal bar differ according to the version (SK
180E…190E).
Connection terminals:
Spring-loaded terminal (X4, X5), slot-head screwdriver, size 2.0 mm
PCB terminal with screw connection (X3), size 2.0 mm, 0.5...0.6 Nm
Connection cross-section: 0.2...1.5 mm
2
, AWG 24-16, rigid or flexible, with wire end sleeves without
plastic sleeves
Control cable:
Lay and shield separately from the mains/motor cables
NOTE
GND is a common reference potential for analogue and digital inputs.
The labelling of the control terminal bar differs according to the inverter version.
X3
X4
X5