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2008 RuggedCom Inc. All rights reserved Rev104
4.2 Power Supply Wiring and Grounding
Figure 6: RS416 Series Philips Screw Terminal Block
Figure 7: RS416 Series Phoenix Plug Terminal Block
The RS416 supports dual redundant power supplies – “Power Supply 1 (PS1)” and “Power Supply
2 (PS2)”. The connections for PS1, PS2 and the fail-safe relay are located on the terminal block as
shown in Figure 6 and Figure 7.
The RS416 can be equipped with either a Philips Screw Terminal Block or a Phoenix Plug
Terminal Block. The Philips Screw Terminal Block has Philips screws with a compression plate
allowing either bare wire connections or crimped terminal lugs. We recommend the use of #6 size
ring lugs to ensure secure, reliable connections under severe shock or vibration. Both terminal
blocks have a safety cover which must be removed via two Phillips screws before connecting any
wires. The safety cover must be re-attached after wiring to ensure personnel safety. Refer to Table
3 below for a description of each terminal as well as sections 4.2.1 through 4.2.3 for wiring
examples.
Philips Screw Terminal without Cover
Philips Screw Terminal with Cover
Safety Cover
Safety Cover
Screws
Chassis Ground
Connection
Surge / Chassis
Ground Jumper
Terminal
Phoenix Plug Terminal without Cover
Phoenix Plug Terminal with Cover
Safety Cover
Screws
Safety Cover
Chassis Ground
Connection
Terminal
Surge / Chassis
Ground Jumper