Weidmuller SAI Active Universal Pro Series, Manual

Page: 73 / 177

Connecting the SAI Distributor
Module connection from SUB-OUT
Contact system M8 female 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
Table 53 Contact assignment for the sub-bus
female connector
Connection for an analogue input
Contact system M12 female connector, 5-pole
Coding A
Pin assignment
Pin 1: + 24 Vdc sensor power
supply
Pin 2: Analogue input +
Pin 3: GND
Pin 4: Analogue input -
Pin 5: FE
Housing: Shield
Table 54 Contact assignment for the analogue
input
Block diagram of an analogue input
Input configuration pins 4 and 2 from each M12 fe-
male connector:
Figure 46 Block diagram of the analogue input
NOTE
A four-pole M8 male connector and a
four-pole M8 female connector are used
to connect the supply voltage to the sub-
bus. Use the SUB-IN connection to feed
in the power supply and the SUB-OUT
connection to forward the power further.
The power supply and the analogue in-
puts share a common earth and are not
electrically isolated.
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