NORD Drivesystems BU0220 - Manual (Page 16)

PROFIBUS DP – Supplementary manualfor NORD Frequency Inverter SK 2xxE
16 Subject to technical amendments BU 0220 GB-0912
2.1.2 Installing the Customer Unit SK CU4-PBR
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 mounted directly in the connection unit of the SK 2xxE frequency inverter.
The installation of customer units is carried out in the connection unit SK T14- …of the SK 2xxE 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 2xxE) are also included in the bag
enclosed with the customer unit. Connections are made according to the following table:
SK TI4- … with integrated technology unit
SK CU4-PBR
internal customer unit SK CU4-PBR 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")