Endress+Hauser Liquisys M CCM223 - Page 20

Electrical connection Liquisys M CCM223/253
20 Endress+Hauser
15 V
85
86
81
93
82
94
mA
31
32
mA
mA
33
34
54
55
56
23
24
90
12
11
91
92
S
ClO
2
ClO
2
Cl
2
Cl
2
K
A
A
K
K
A
NTC
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
GN
BN
RD
BU
RD
BK
BN
BU
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
*
A0001903
 10 Electrical connection of the transmitter (version 1)
A pH/ORP input (optional) I Auxiliary voltage output
B Sensor CCS140/141/240/241 J Alarm (current-free contact position)
C Sensor 963 (alternative) K Relay 1 (current-free contact position)
D Signal output 1, chlorine / chlorine dioxide 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)
G Proximity switch INS O Current input 4 to 20 mA
H Binary input 2 P Power connection
* Auxiliary voltage of terminal 85/86 can be used
The device is approved for protection class II and is generally operated without a
protective ground connection. Circuits "E" and "I" are not galvanically isolated from each
other.