Wiring
7.7 Connecting system power supply and load current supply
Automation system
System Manual, 01/2023, A5E03461182-AK
169
Connecting the supply voltage to a system power supply/load current supply
Watch video sequence (https://support.industry.siemens.com/cs/ww/en/view/78027451)
To connect the supply voltage, follow these steps:
1. Swing the front cover of the module up until the front cover latches.
2. Press down the unlocking button of the power cable connector (Figure 1). Remove the
power cable connector from the front of the module.
3. Loosen the screw on the front of the connector. This loosens the housing latch and the
cable relief. With a tightened screw the connector's cover can't be removed (Figure 2).
4. Pry off the connector cover using a suitable tool (Figure 3).
Figure 7-6 Connecting the supply voltage to a system power supply/load current supply (1)
5. Strip the cable jacket to a length of 35 mm and the conductors to a length of 7 to 8 mm.
Attach the end sleeves.
6. Connect the wires in the connector according to the connection diagram (Figure 4).
7. Close the cover (Figure 5).
8. Retighten the screw (Figure 6). This effects a strain relief on the lines.
Figure 7-7 Connecting the supply voltage to a system power supply/load current supply (2)
9. Insert the power connector into the module, until the latch engages.
Reference
You can find more information on connecting the 24 V DC output voltage of the load power
supply (PM) in the manuals for the relevant modules.
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