Not used on t his v ersion, Black w hite green red, Controll er or recording dev ice + 24 vdc – RKI Instruments 35-3001A-01 User Manual
Page 15: 4/20 s ignal - (dc g round) t o lel sensor
35-3001A-01 Combustible Gas Sample-Draw Detector • 11
8.
Connect the wires to the applicable detector/transmitter terminal strip at the controller as
shown in Figure 5. Refer to the controller operator’s manual and the controller detector head
specification sheet for the 35-3001A-01 for detector/terminal strip connections specific to the
controller.
Figure 5: Wiring the Sample-Draw Detector to a Controller
9.
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.
Not Used on
T his V ersion
S
P WR / SI G
Z E RO
S P AN
OXY
LEL/ IR
Black
W hite
Green
Red
AMP 1
PATS201PATS201
AMP 1
OXY
LEL/IR
Controll er or
Recording
Dev ice
+ 24 VDC
AMP 2
4/20 S ignal
- (DC G round)
T o LEL
Sensor
AMP 2
PATS101PATS101
S e n s o r
C u r r e n t
1 4 8 m A
W
LEL
G
B
R