Weidmuller SAI Active Universal Pro Series, Manual

Page: 57 / 177

Connecting the SAI Distributor
5663600000/1.4/09.09
NOTE
The power supply is connected to the
sub-bus via a 4-pole M8 male connector
and a 4-pole M8 female connector. Use
the SUB-IN connection to feed in the
power supply and the SUB-OUT con-
nection to feed it forward. The power
supply and the digital inputs share a
common earth and are not electrically
isolated.
Connection of the supply voltage
The power supply is 24 V DC in accordance with EN
61131-2; the permissible range is 18 to 30 V DC.
The distributor is designed to offer protection against
polarity reversal.
Module connection from SUB-IN
Contact system M8 male connector, 4-pole
Coding -
Pin assignment Pin 1: + 24 Vdc
Pin 2: Data +
Pin 3: GND
Pin 4: Data -
Housing: Shield, connected
with the FE
Module connection from SUB-OUT
Contact system M8 female connector, 4-pole
Coding A
Pin assignment
Pin 1: + 24 Vdc
Pin 2: Data +
Pin 3: GND
Pin 4: Data -
Housing: Shield, connected
with the FE
Table 34 Contact assignment for the Sub-bus
male connector Table 35 Contact assignment for the Sub-bus
female connector
Module connection from AUX-IN
Contact system M12 male connector, 5-pole
Coding A
Pin assignment
Pin 1: + 24 Vdc UQ1
Pin 2: + 24 Vdc UQ1
Pin 3: GND UQ1
Pin 4: GND UQ1
Pin 5: PE housing: Shield,
connected with the FE
Table 36 Contact assignment for the power sup-
ply male connector
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