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Black – RKI Instruments 65-2394RK-CH4-4 User Manual

Page 13

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65-2394RK-CH4-4 Combustible Gas Transmitter • 9

Figure 4: Wiring the Amplifier to a Controller

10. 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.

Cable Shield

Amplifier (Transmitter)

White

Green

Detector Wires

Controller or

Recording Device

4 - 20 mA In (S)

+ 24 VDC

- (DC Ground)

Amplifier

J-Box

Red

W

LE

L

G

R

S

Black

B

P

W

R

/

S

IG