Liquisys M CPM223/253
Wiring
Hauser
17
4.1
Electrical connection without Memosens functionality
4.1.1
Connection diagram
The wiring diagram depicted in Fig. 11 shows the connections of an instrument equipped with all
the options. Connecting the sensors to the various measuring cables is explained in more detail in
the "Measuring cables and sensor connection" section.
C07-CPM2x3xx-04-06-00-xx-001.eps
Fig. 11:
Transmitter electrical connection without Memosens functionality
A
B
C
D
E
F
G
H
I
Standard sensor
ISFET sensor
Outer screen connection for glass electrodes
Potential matching
Temperature sensor
Signal output 1 pH/redox
Signal output 2 temperature, pH/redox or controller
Binary input 1 (Hold)
Binary input 2 (Chemoclean)
J
K
L
M
N
O
P
Q
Auxiliary voltage output
Alarm (contact position currentless)
Relay 1 (contact position currentless)
Relay 2 (contact position currentless)
Relay 3 (contact position currentless)
Relay 4 (contact position currentless)
Current input 4 ... 20 mA
Power supply
pH
Ref.
11
12
13
47
48
49
57
58
59
51
52
53
54
55
56
PA/
PM
15 V
85
86
S
10-50 V
81
93
82
94
10-50 V
L+
L-
L1
N
23 +
24 -
mA
~ =
41
42
43
pH
mA
31
32
mA
33
34
A
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
SRC
DRN.
B
