RKI Instruments 65-2405RK-05 - Manual (Page 10)

6 • 65-2405RK-05 Combustible Gas Transmitter
Figure 3: Wiring the Combustible Gas 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.
Amplifier (Transmitter)
Black
Cable Shield
Controller or
Recording Device
+ 24 VDC
- (DC Ground)
4 - 20 mA In (S)
S
Red
White
LEL Detector
J-Box
P
W
R
/ S
IG
W
G
R
Green
Detector Wires
LE
L
B