NORD Drivesystems BU0260 - Manual (Page 17)

2 Assembly and installation
BU 0260 GB Subject to technical amendments 17
2.1.2 Installing the Customer Unit SK CU4-CAO
WARNING Installation must be carried out by qualified personnel only, paying particular attention to
safety and warning instructions.
Modules must not be inserted or removed unless the device is free of voltage. The slots
may only be used for the intended modules.
Installation of the SK CU4-... customer unit remote from the frequency inverter is not
permitted. This must be installed in the immediate vicinity of the SK 200E frequency
inverter.
The installation of customer units is carried out in the connection unit SK T14-… SK 200E underneath the
control terminal bar. Fastening is by means of the terminal bar of the frequency inverter and two M4x20 screws
(bag enclosed with the customer unit). Only one customer unit per FI is possible!
The pre-assembled cables for connection to the frequency inverter (SK 200E) are also included in the bag
enclosed with the customer unit. Connections are made according to the following table:
Similar to illustration
SK TI4-… with integrated technology unit
SK CU4-CAO
Customer unit SK CU4-CAO Bag enclosed with internal customer unit
Function Terminal label Cable colour
Power supply
(between frequency inverter and customer unit)
44 24V brown
40 GND blue
System bus
77 SYS+ black
78 SYS- grey
NOTE
Set the termination resistors of the system bus!
(See Section 2.2.3 "Configuration")