PART TWO - INSTALLATION
SECTION 3 - ELECTRICAL CONNECTIONS
Model P53 pH/ORP Analyzer (universal-mount 1/2 DIN)
Rev. 6-501
24
☞
NOTE:
Do not route the sensor cable in any conduit con-
taining AC or DC power wiring (“electrical noise”
may interfere with the sensor signal).
OUTPUT 1
POWER
F
1
F
2
100mA
T
80mA
T
pH ANALYZER
COM
RELAY C
8
TB2
3
3
1
2
5
4
7
6
NO
RELAY A
NC COM
RELAY B
COM
NC
NC
NO
10
9
12
11
3
4
2
RELAY D
NC
NO
NO
COM
115
230
N
4
3
2
6
5
9
8
7
10
RS-232
OUTPUT 2
+
-
+
HART
-
4-20 mA
+
GND
GND
TTL
16 18
14
13
Y
E
LL
O
W
B
LA
C
K
W
H
IT
E
R
ED
G
R
EE
N
SH
IE
L
D
TB3
TB1
20 22
A
C
TI
V
E
R
EF
G
N
D
TE
M
P
TE
M
P
DIFFERENTIAL
SENSOR
COMBINATION
SENSOR
RX
TX
10VA 50/60 Hz
90-130 VAC
180-260 VAC
FIGURE 2-3 Terminal Designations for Analyzers with “B” Prefix Serial Number
FIGURE 2-4 Terminal Designations for Analyzers with “A” or No Letter Prefix Serial Number