Section 3, Wiring the hgm300, Ac power (in / out) -- rs485 -20 madc – Bacharach HGM300 User Manual
Page 4: Wiring the rdm800
SECTION 3
Wiring the HGM300
AC Power (In / Out) -- RS485 -- 4-20 mAdc
Main 120Volt Power
Auxiliary Power 120Volt
(Used to supply power for audio/visual alarms)
On/Off Power
Switch
Dual 4-20 mAdc
Outputs
SIGNAL OUT
ONLY
Node Address
Switch
Dual 4-20 mA
Interface Board
P/N 3015-31333
Leak, Spill, Evacuate &
Fault alarm wiring block
RS485
4