RKI Instruments 65-2398RK - Manual (Page 11)

65-2398RK Combustible Gas Transmitter • 7
Figure 4: 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.
+ 24 VDC
Amplifier
Cable sheild
4 - 20 mA In (S)
- (DC Ground)
J-Box
Green
Black
White
Red
Detector Wires
IR LEL Detector
Controller
LE
L
SI
G
/P
W
R
S
SP
A
N
WG
B
R
ZE
R
O