Connecting The Power Supply Adapter - Siemens SIMATIC NET SCALANCE W786 Series Operating Instructions Manual

Connecting up

6.5 Connecting the power supply adapter

Figure 6-4
Note
Grounding connector
The device has a grounding connector on the back of the device. You need to mount the
grounding connector before securing the device. Refer to the information in the
section Installation and removal (Page 29).
Follow the steps below to connect a 24 VDC cable to a SCALANCE W786:
1. Connect the supplied connector to the 24 VDC cable.
2. Press the plug into the left-hand half of the socket until it locks in place.
3. Secure the power supply with a strain relief clamp as shown in the section "Connecting the
cables".
6.5 Connecting the power supply adapter
Input voltage options
The optional power supply adapter is available in two versions:
• Power supply adapter for 12 to 24 VDC direct voltage
Power Supply PS791-2DC
article number: 6GK5791-2DC00-0AA0
• Power supply adapter for 100 to 240 VAC alternating voltage
Power Supply PS791-2AC
article number: 6GK5791-2AC00-0AA0
Note
Applies only to SCALANCE W786-2
If a SCALANCE W786-2 is operated with six external antennas, the power supply for 12 to 24 VDC
cannot be supplied redundantly. In this case, there is no further opening in the housing for a
second power cable.
58
Position of the connector when inserted in the socket of the housing
Operating Instructions, 12/2021, A5E03678337-14
SCALANCE W786-x