NORD Drivesystems BU0090 - Manual (Page 17)

2 Modules
BU 0090 GB 17
In 2
In 3
In 4
24V
In 1
In 2
In 3
In 4
Out 1
Out 2
Connector 1
24V
5V
Out 2
IO and
communication
processing
AS interface
connection
Frequency
inverter
Connector 2
+
-
AUX 24V
8
1
2
3
4
5
6
7 1
2
4
5
Device
S/E LED
PWR/FLT
LED
OUT 1
LED
IN 1
LED
AUX 24V
PWR AS-i
Sensors
Actuators
2.4 Schematic circuit diagram of the AS interface technology unit
The following schematic circuit diagrams illustrate the internal structure or wiring of the AS interface modules.
2.4.1 Technology unit SK TU1 / TU3-AS1