RKI Instruments Beacon 200 - Manual (Page 25)

Wiring the Beacon 200 Gas Monitor • 25
6. Connect the wires from the transmitter to the appropriate detector/
transmitter terminals. The top detector terminal strip is for channel 1
and the bottom one is for channel 2. See the transmitter instruction
manual for controller terminal connections. Figure 10 below illustrates
typical transmitter wiring connections.
CAUTION: Do not route power and transmitter wiring through the same
conduit hub. The power wiring may disrupt the transmission of
the transmitter’s signal to the Beacon 200.
AMP/PREAMP OXYGEN
+ + S
LEL
R W G B
2-Wire 4-20 ma
Transmitter
+ 24 VDC
FB (4-20 mA)
OXYGEN
2-Wire Connection
+ S
AMP/PREAMP
+
3-Wire 4-20 ma
Transmitter
3-Wire Connection
+ 24 VDC
FB (4-20 mA)
- (DC GROUND)
LEL
R W G B
Figure 10. Generic 4 to 20 mA Transmitter Output Wiring