RKI Instruments 65-2340RKSS - Page 11

65-2340RKSS Toxic Gas Transmitter • 7
Figure 4: Wiring the Toxic 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.
Gas TypeTable
Gas Type + Wire
0-10ppmCl2
0-3ppmCl2
S
SIG/PWR
T OX IC OX Y
ZERO
Controller Detector/Transmitter
Terminals, Typical Designations
Controller Housing
SPAN
Cable Shield
+
S
J-Box
(+) See Table
Toxic Detector
Black
AsH3 brown
CL2 yellow
CL-10 yellow
HCN white
NH3 red
PH3 green
SO2 blue