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Protege DIN Rail 8 PGM Output Expander
| Installation Manual
Controller
Earth Ground
Link connection
Dialer’s Earth
Ground Connection
PRT-RDM2-DIN
PRT-PSU-DIN
V-
Power Supply
Reader Expander
PRT-PSU-DIN
Input Expander
Output Expander
V-
AC Mains Wiring
DIN Rail Ground Connections (one or more cabinets installed in the same room)
DIN Rail Enclosure
Module Network
(RS-485 N+, N-, NA and NB)
Additional DIN Rail Enclosure (s)
DIN Rail Ground Connections (multiple cabinets in different rooms, sectors, or buildings)
DIN Rail Enclosure
Controller
Earth Ground
Link connection
Dialer’s Earth
Ground Connection
Module Network (RS-485 N+, N-, NA and NB)
PRT-RDM2-DIN
PRT-PSU-DIN
V-
Power Supply
Reader Expander
PRT-PSU-DIN
Input Expander
Output Expander
PRT-RDM2-DIN
Input Expander
PRT-PSU-DIN
Input Expander
Input Expander
V-
DIN Rail Enclosure
DIN Rail Enclosure
Sector or Building #1
Sector or Building #2
Sector or Building #3
Notice that the Protege DIN Rail Enclosure earth terminal is connected to the DIN PSU V- terminal.
There must only be one single earth grounding point per system.
