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

Installing the Device
2.5.2 Connecting Low DC Power
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.
Electrical hazard – risk of damage to equipment.
Do not connect AC power cables to a 12, 24 or 48 VDC power supply terminal block.
Damage to the power supply may occur.
NOTICE
When connecting the device to a DC power source, make sure the source provides
only positive voltage.
18
Connect the chassis ground screw to ground (Potential Earth). It is recommend-
ed to terminate the ground connection with an M3 ring or spade lug, and then
torque to 1.7 N·m (15 lbf-in).
M3 Screw
1
M3 Ring Lug
2
Figure 2.9 Chassis Ground Connection
CAUTION
2
1
RUGGEDCOM RST2228P
Installation Manual, 12/2019, C79000-G8976-1403-05