Endress+Hauser Liquisys M CCM223 - Page 21

Liquisys M CCM223/253 Electrical connection
Endress+Hauser 21
5.3 Electrical connection, version 2
The wiring diagram shows the connections of a device equipped with all the options. The
connection of the sensors to the various measuring cables is explained in more detail in
the "Measuring cables and sensor connection" section.
15 V
85
86
81
93
82
94
mA
31
32
mA
mA
33
34
54
55
56
23
24
90
12
11
S
ClO
2
ClO
2
Cl
2
Cl
2
pH
Red.
Ref.
PA/
PM
10–50 V
41
42
43
47
48
49
57
58
59
51
52
53
L+
L–N
L1
~ =
pH/
Redox
YE
BK
BK
BN
BU
A
B
C
D
E
F
G
H
J
K
L
M
N
O
P
15 V
85
86
CCS
120
WH
GN
BN
C
*
A0001904
 11 Electrical connection of the transmitter (version 2)
A pH/ORP input (optional) * Auxiliary voltage of terminal 85/86 can be used
B Sensor CCS120 J Alarm (current-free contact position)
C Auxiliary voltage output K Relay 1 (current-free contact position)
D Signal output 1, total chlorine L Relay 2 (current-free contact position)
E Signal output 2, temperature, pH or ORP M Relay 3 (current-free contact position)
F Binary input 1 (hold/cleaning) N Relay 4 (current-free contact position)