CM44P datasheet(33/60 Pages) EH

33 / 60 page

Liquiline CM44P

Endress+Hauser

Memosens Connection via M12 plug-in connector (field device only)

Only for connection in non-hazardous area.

Sensor 1

A0018019

 22

M12 plug-in connector (e.g. at

sensor module)

Sensor cable with M12 plug

A0018021

 23

M12 assignment Top: socket

Bottom: plug (top view in

each case)

PK (24 V)

GY (Ground 24 V)

BN (3 V)

WH (Ground 3 V)

GN (Memosens)

YE (Memosens)

Not connected

Device versions with a pre-

installed M12 socket are ready-

wired upon delivery.

Please note the following:

• The internal device wiring is

always the same regardless of

what kind of sensor you

connect to the M12 socket

(plug&play).

• The signal or power supply

cables are assigned in the

sensor head in such a way

that the PK and GY power

supply cables are either used

(e.g. optical sensors) or not

(e.g. pH or ORP sensors).

When connecting intrinsically safe sensors to transmitters with sensor communication module

type 2DS Ex i, the M12 plug-in connector is not permitted.

Connecting intrinsically safe sensors to sensor communication module type 2DS Ex i

Sensor cable connected directly

‣ Connect the sensor cable to the terminal connector of the sensor communication module 2DS Ex-

Sensor

2DS

Ex-i

A0045659

 24

Sensors without additional supply voltage at sensor communication module type 2DS Ex-i

Intrinsically safe sensors for use in explosive atmospheres may only be connected to the sensor

communication module type 2DS Ex-i. Only the sensors covered by the certificates may be

connected (see XA).

CM44P Datasheet(PDF) 33 Page - Endress+Hauser Group Services AG

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