Siemens SIMATIC NET RUGGEDCOM i803 Equipment Manual page 21

Installing the Device
2.5 Connecting Power
2.
3.
12
2
1 3
Positive Terminal
1
Negative Terminal
2
GND Terminal
3
Chassis Ground Terminal
4
Figure 2.4 Terminal Block Wiring – Single DC Power Supply Input
Connect the negative wire from the power source to the negative terminal (P1-
or P2-) on the terminal block.
[Optional] If connecting a second redundant power source, repeat step
1 (Page 11) and step 2 (Page 12), making sure to connect the power
supply to the P2 ports.
2 2
1 3 1
Positive Terminal
1
Negative Terminal
2
GND Terminal
3
RUGGEDCOM i803
Equipment Manual, 10/2023, C79000-G8976-1005-09
4
4