RKI Instruments 65-2397RK - Manual (Page 11)

65-2397RK CO
2
Transmitter • 7
Figure 4: Wiring the CO
2
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.
Controller
+ 24 VDC
- (DC Ground)
4 - 20 mA In (S)
Cable sheild
Amplifier
ZE
R
O
R
SP
A
N
SI
G
/P
W
R
S
LE
L
B
G
W
IR CO2 Detector
J-Box
Detector Wires
Red
White
Black
Green