Connecting Low Dc Power - Siemens SIMATIC NET RUGGEDCOM RST2228P Installation Manual

Installing the Device
2.5.2 Connecting Low DC Power
5.
6.
2.5.2

Connecting Low DC Power

To connect a low DC power supply to the device, do the following:
Note
The screw-type terminal block is installed using Phillips screws and compression
plates, allowing either bare wire connections or crimped terminal lugs. Use #6 size
ring lugs for secure, reliable screws, which must be removed to make connections.
18
For screw-type terminal blocks, install the safety cover.
1
2
Figure 2.8 Assembling the Safety Cover
Connect the chassis ground screw to ground (Potential Earth). It is
recommended to terminate the ground connection with an M3 ring or spade
lug, and then torque to 1.7 N·m (15 lbf-in).
Use a 14-8 AWG copper cable or cable with a cross-section of 1.5 to 6 mm².
M3 Screw
1
M3 Ring Lug
2
Figure 2.9 Chassis Ground Connection
2
1
RUGGEDCOM RST2228P
Installation Manual, 07/2021, C79000-G8976-1403-13