5
3 ELECTRICAL
CONNECTIONS
3.1
Connection Diagram
ENSURE
that the power cable is physically separated from the power
supply.
Sig
Input
Relay B
R
e
l
a
y
A
P
o
w
e
r
M
a
i
n
s
nal Ou
t
p
ut
Hold
pH
m
A
-
+
PE/S
PE
A
C
:
N
L
1
2
5
4
3
6
7
8
9
10
11
12
13
14
15
17
15
16
* ) i
ndi
ca
te
d contact positions are for currentless conditions
P
t 10
0
P
ot
e
n
tial M atching Pin (P MP)
Signal Input pH/ORP
pH
S/
V
PE/S
S
/
S/
1
8
1
9
2
0
2
1 2
2
BNC
Summary of Contents for Alpha pH 800
Page 1: ...Alpha pH 800 Controller Transmitter pH ORP...
Page 6: ......
Page 7: ......
Page 15: ...8 0V Pt100 RELAY A L N PE 100mA F FUSE 250VAC HOLD RELAY B Pt1000 PAL S NC NC NC NC...
Page 41: ...CALIBRATION RECORD Calibration Date Electrode Slope Electrode Offset...
Page 42: ......
Page 43: ......
