Siemens SIMATIC NET RUGGEDCOM RST2428P Equipment Manual page 35

Installing the device
2.4 Connecting the failsafe alarm relay
Terminal block
The failsafe alarm relay is connected via the PoE and failsafe alarm relay terminal
block port.
Figure 2.4
Terminal designations are marked on the device for easy identification.
1
1
2
3
4
5
Figure 2.5
Procedure
To connect the failsafe alarm relay, 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 M3.5 ring tongues that have short insulated ring terminals with a maximum
distance of 5 mm (0.2 in) from the ring center to the insulation.
1.
26
PoE and failsafe alarm relay terminal block port
3
European-style (Euroblock) terminal block
Screw-type terminal block
Normally open terminal
Common terminal
Normally closed terminal
Failsafe alarm relay terminals
Remove the safety cover.
2
4 5
3 5
4
RUGGEDCOM RST2428P
Equipment Manual, 10/2023, C79000-G8976-1528-01