NORD Drivesystems BU0220 - Manual (Page 21)

2 Assembly and installation
BU 0220 GB-0912 Subject to technical amendments 21
2.2.2.1 Control connections SK CU4-PBR
The terminal bar of the customer unit SK CU4-PBR is divided into two potential levels.
Connection of up to 2 sensors is made on the terminal bar (terminals C1 and C2).
NOTE
Looping of the 24V supply voltage (terminals 40/44) is possible, however a maximum
current load of 2A for the SK CU4-PBR must not be exceeded.
46
81
82
47
83
46
81
82
44
40
78
77
C2
C1
40
44
PBR A
PBR B
PBR A
PBR B
Sys+
Sys-
GND B
GND B
VP +5V
Incoming
PROFIBUS DP cable
Outgoing
PROFIBUS DP cable
Connection of the 24V power
supply from the SK 2xxE
System bus connection
from the SK 2xxE
Potential level: System bus
Potential level: Field bus
24V
GND
Connection to the
terminal block of the SK CU4-PBR
SK CU4- SK 2xxE-