2.7.2 Connecting Low Dc Power - Siemens SIMATIC NET RUGGEDCOM RSG920P Equipment Manual

2.7.2 Connecting Low DC Power
To connect a single or dual power sources to the low DC power supply, do the
following:
When connecting two external power sources, if the first external power source has
a voltage lower than 33 VDC, the second power source must have a voltage lower
than 33 VDC as well. Similarly, if the first power source has a voltage higher than 36
VDC, the second power source must have a voltage higher than 36 VDC.
1.
RUGGEDCOM RSG920P
Equipment Manual, 10/2023, C79000-G8976-1172-09
NOTICE
Connect the positive wire from the power source to the positive terminal on the
terminal block.
Main Power Terminal Block
1
Positive Terminal
2
Negative Terminal
3
Chassis Ground Terminal
4
Figure 2.10 Terminal Block Wiring - Connecting a Single DC Power Supply Input
2.7.2 Connecting Low DC Power
2 3 4
1
Installing the Device
17