Instruction manual

22
Figure 5: Wiring Diagram for Sensor Inputs and Digital Inputs A-F
T-
T+ IN-
IN+
+5
-
5
Low Pressure
pH/ORP OR
CONDUCTIVITY
SENSOR
SHIELD
TO GND STUD
BLU/WHT
WHT/BLU
ORN/WHT
WHT/ORN
GRN/WHT
WHT/GRN
T-
T+
IN-
IN+
+5
-5
BLU
WHT/BLU
ORN
WHT/ORN
GRN
WHT/GRN
High Pressure
Conductivity
Electrode
-T
-T
+T
+T
-
+
-S
+S
-5
+5
W
H
T
G
R
N
B
L
K
R
E
D
Shield
(Drain wire)
to GND
stud on
front
panel
DIGITAL
INPUT A
DIGITAL
INPUT B
DIGITAL
INPUT C
RELAY, REED SWITCH
WATERMETER-CONTACTOR
HALL EFFECT
WATERMETER
OR
PADDLEWHEEL
S
IGNAL +
SIGNAL -
DETAIL "A"
IN+
IN-
IN+
IN-
IN+
IN-
POWERED
DEVICES
UNPOWERED
DEVICES
OR*
* Either an unpowered or a powered device may be
connected to each digital input, one device per input.
DIGITAL INPUTS
SEE DETAIL 'A'
SENSOR 1**
SEE DETAIL 'C'
SENSOR 2 or 4
(Observe markings
on circuit board)
SEE DETAIL 'C'
SENSOR 3
SEE DETAIL 'C'
SENSOR 4 or 2
(Observe markings
on circuit board)
SEE DETAIL 'C'
B1
t- t+ IN- IN++5V -5V
1
0283
9
RE
V 2
t- t+ IN- IN++5V -5V
102839
REV 2
t- t+ IN- IN++5V -5V
102839
REV 2
DIGITAL
INPUT D
IN+
IN-
DIGITAL
INPUT E
IN+
IN-
DIGITAL
INPUT F
IN+
IN-
12V
12V
OR
SHIELD
(TO GROUND
STUD)
GROUND/SHIELD
TO GROUND STUD
INSIDE ENCLOSURE
TC+ TC- TC
GND
TC+
TC- GND
TC
High Pressure
pH/ORP Sensor
OPTIONAL TEMPERATURE
COMPENSATION (pH ONLY)
GROUND
PREAMPLIFIER
+5V
-5V
COM
VpH
BLU
WHT/BLU
ORN
WHT/ORN
GRN
WHT/GRN
SENSOR DETAIL "C"
t- t+ IN- IN++5V -5V
** Please note: Sensor 1 terminal
block is oriented OPPOSITE of
sensors 2-4.
t- t+ IN- IN+ +5V -5V
Sensor 1
Terminal
Block
T-
T+ IN-
IN+
+5
-5
DISINFECTION
SENSOR
SHIELD
TO GND STUD
RED
BLACK
GRN
WHT
SENSOR
DETAIL "C"
Optional Temperature Compensation