Liquisys M CCM223/253

10

Endress+Hauser

Electrical connection

variant 2 (total chlorine)

The wiring diagram shows the connections of the transmitter with all options

The device is approved for protection class II and is generally operated without protective ground

connection.

The circuits "E" and "C" are not galvanically separated from each other.

a0001904

Electrical connection of the transmitter (version 2)

A

B

C

D

E

F

G

H

*

pH / ORP input (optional)

Sensor CCS120

Aux. voltage output

Signal output 1 total chlorine

Signal output 2 temperature, pH or ORP

Binary input 1 (hold / cleaning)

Proximity switch INS

Binary input 2

Aux. voltage output terminal 85/86 applicable

J

K

L

M

N

O

P

Alarm (current-free contact position)

Relay 1 (current-free contact position)

Relay 2 (current-free contact position)

Relay 3 (current-free contact position)

Relay 4 (current-free contact position)

Current input 4 to 20 mA

Power supply

15 V

85

86

81

93

82

94

mA

31

32

mA

mA

33

34

54

55

56

23

24

90

12

11

S

ClO2

ClO2

Cl2

Cl2

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

*