nord NORDAC START Series, User Manual

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NORDAC START (SK 135E / SK 175E) – Users Manual for Motor Starters
72 BU 0135 en-4118
4.3.4 Commissioning
4.3.4.1 Connection
Connection of the AS interface cable (yellow) is made via terminals 85/85 of the terminal strip and can
optionally be made to an appropriately labelled M12 flange plug connector (yellow)
Details of control terminals (

Section 2.3.3 "Electrical connection of the control unit")
Details of connector (

Section 3.2.3.2 "Plug connectors for control connection")
Jumper position Meaning
The AS-i module is supplied via
the yellow AS-i cable and the
motor starter separately via the
black cable (PELV).
AUX
The AS-i interface and the
device are both supplied via the
AS-i yellow cable. A separate
supply to the motor starter is
not permitted.
AS-I
Factory setting
Figure 11: AS-i, connecting terminals and jumper position (example of "AUX" position)
Type Jumper position
AS interface connection
Control voltage connection
AUX cable of a PELV
AS-i(+) AS-i(-) 24 V DC GND
SK 175E-…-ASI AS-I 84 85
Connection not permitted!
SK 175E-…-ASI AUX 84 85 44 40
Table 11: AS interface, connection of signal and supply cables
In order to ensure that proper potential equalisation takes place, the connection of a second
earthing line is recommended. This must be connected to the PE connection of the device.
If the AS interface ("yellow cable") is not used, the normal connection requirements for the device
apply (

Section 2.3.3 "Electrical connection of the control unit").
Information
24 V DC / AS interface
If the yellow AS interface cable and jumper position AS-I are used:
– no voltage source may be connected to terminals 44/40 ,
– the device is supplied via the yellow AS-I cable,
– the supply voltage (24 V DC) for the use of the digital inputs or other external peripherals (e.g. actuators)
can be
obtained from terminals 43/40
. The permissible total current for this is limited to
165 mA
!