RKI Instruments Digester Gas Monitor - Manual (Page 24)

18 • Factory Wiring Digester Gas Monitor Operator’s Manual
Factory Wiring
The figure below shows the factory wiring. Standard channel assignment is shown. If your
Digester Gas Monitor has less than four sensors, your detector wiring will be slightly
different.
Figure 7: Factory Wiring
EX
T D
C
2 4 V BA
T T
B la ck
Re d
CH
1
CH
2
Re d
A LA R M
R E S ET
AL
A R M
BU
Z Z ER
C E
CH
3
CH
4
+ S - W G R W G B + -
B la ck
B
G re en
B lac k
W hit e
F A IL
N O N C C
R EL AY -A
N O N C C
R E L AY -D
N O N C C
R E L A Y -C
N O N C C
A
W h ite
Co ntr ol le r
Te rm in a l S tri p
CH 4 S en sor
Fl ow
S witch
W i re s T wiste d
Re d
Fa ctor y S ol de re d to
B ack o f B o ar d
Re set
S witch
O 2 S e nso r
2 -W a y
S ol en o id
D
O ra n ge
Co nd u it H u bs
R EL A Y -B
N O N C C
3 -W a y
S ol en o id
Co m mo n /C ha nn e l A la rm
Te rm in a l S tri p
B lac k
B uzz er
Di od es a r e
sho wn fo r
re fer en ce. Th ey
a re n ot u se r
a ccessib le.
A M P 4 - 20 m A
O U TP U T
L E L O X Y
W i re s T wiste d
2 -W a y
S ol en o id
B la ck
Re d
W h ite
De tecto r/T ra nsm itte r
Te rm in a l S tri ps
- V ( D C - )
+ V ( D C + )
- V ( D C - )
+ V ( D C + )
H2 S
S en sor
W i re
Nu t
B la ck
N ( Ne utra l)
L ( Hot)
G re e n
( G round )
CO 2 S en sor
POWER SUPPLY
3 -W a y
S ol en o id 2 -W a y
S ol en o id
G re e n
G re e n
W h ite