Specifications

AS-Interface Slaves
IP20 Motor Starters and Load Feeders
AS-Interface load feeder module
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Siemens IK PI · 2009
6
■ Overview
The AS-Interface load feeder module adds an input/output
module to the conventional busbar and standard mounting rail
adapters. With this module the control circuit of a load feeder is
available completely factory-wired. The series has been opti-
mized for operation in conjunction with the SIRIUS load feeders
size S00 and S0. Connection to the higher-level automation
system is made through the AS-Interface interface of the load
feeder module. A non-shielded litz wire can be used as data line
and for the auxiliary current supply. Connection to the AS-Inter-
face load feeder module is made using two connectors with the
insulation displacement connection.
Four different AS-Interface load feeder modules are available:
Differences exist in the number of inputs and outputs and in the
type of outputs. The units with solid-stated outputs are designed
for 24 V DC, those with relay outputs are suitable for voltages of
max. 230 AC. Direct-on-line and reversing starters as well as
double direct-on-line starters and starter combinations can thus
be wired for pole reversal. The inputs can be used to separately
scan the feedbacks from motor starter protectors and contac-
tors. The outputs can be used for direct control of the contactor
coils.
As the outputs already have overvoltage protection integrated,
no additional measures for the contactors are required.
The outputs are supplied with separate auxiliary voltage –
a selectively configured EMERGENCY STOP concept is thus
easy to implement. The inputs are supplied from the AS-Inter-
face data line. Inputs and outputs have to be wired using inte-
grated, spring-loaded terminals, each connected to a common
potential.