Endress+Hauser Liquisys M CPM253 - Electrical Connection without Memosens Functionality

Liquisys M CPM223/253 Electrical connection
Endress+Hauser 17
4.2 Electrical connection without Memosens functionality
4.2.1 Connection diagram
The wiring diagram depicted in  å 9 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. 9: 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/ORP
Signal output 2 temperature, pH/ORP 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