RKI Instruments 35-3010RK-03 - Manual (Page 14)

10 • 35-3010RK-03 Sample-Draw Detector
9. Connect the drain wire to an available chassis ground at the controller. RKI controllers
typically have a ground stud that can be used to ground the cable’s drain wire.
Figure 5: External (Field) Wiring, Sample Draw Detector
H2S
(Controller Transmitter
Terminals)
Interconnect Term inal Strip
24 VDC +
24 VDC -
Controller L EL
Terminals
Controller O xygen
Terminals
CO
(Controller Transmitter
Terminals)
S (4/20 mA)
24 VDC +
R
B
G
W
(G)
+ (W )
S (4/20 mA)
Main Circuit Board
Sample Draw Housing