Liquisys M CCM223/253

Endress+Hauser

9

Power supply

Electrical connection

variant 1

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 "I" are not galvanically separated from each other.

a0001903

Electrical connection of the transmitter (version 1)

A

B

C

D

E

F

G

H

*

pH / ORP input (optional)

Sensor CCS140/141/240/241

Sensor 963 (alternative)

Signal output 1 chlorine / chlorine dioxide

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

I

J

K

L

M

N

O

P

Aux. voltage output

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

91

92

S

ClO2

ClO2

Cl2

Cl2

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

*