Manual
6 • 65-2442RK PPM Hydrogen Transmitter
11. Connect the wires to the applicable detector/transmitter terminal strip at the
controller as shown in Figure 3.
Figure 3: Wiring the PPM Hydrogen Transmitter to a Controller
12. If shielded cable is used, connect the cable’s drain wire to an available chassis (earth)
ground at the controller. RKI controllers typically have a ground stud that can be used
to ground the cable’s drain wire.
Black
Red
Cable Shield
Controller
- (DC Ground)
+ 24 VDC
4-20mAIn (S)
Detector Wires
RB
PWR / SIG
S
White
Gas Select Jumper,
In Hydrogen Position
DETECTOR
W
2
4
3
1
Gas Select
1-2 Hex
3-4 H2










