Wiring
25
Instruction Manual
Section 4: Wiring
LIQ-MAN-1066
April 2017
OUTPUT 2
TB5
TB3
TB2
TB4
TB1
+24V
GND
GND
+24V
T
H
U
M
ANODE
CATHODE
RTN
SNS
RTD IN
+V
-V
REF
SHLD
SENSOR WIRING
TB7
TB6
_
+
GND
SOL
SHLD
pH
(OUTPUT1)
LOOP PWR
4-
20
m
A
/ -2
4V
D
C
RE
TU
RN
4-2
0m
A
/ +
24
V
D
C
INSTALL PLUGS IN ALL OTHER
OPENINGS AS NEEDED
INNER ENCLOSURE
HINGE SIDE OF FRONT PANEL
1
TB7
/OUTPUT 2 REQUIRES EXTERNAL DC POWER.
2
TB6/
THUM TERMINAL IS USED ONLY FOR
WIRELESS THUM ADAPTOR INSTALLATIONS
.
1
2
1066 HART CIRCUIT BOARD
(pH/CL/DO/OZ)
ASSY 24406-xx
HINGED PANEL
DWG NO.
40106613
FIGuRE 4-10. haRT loop power Wiring