CM44P datasheet(12/60 Pages) EH

12 / 60 page

Liquiline CM44P

Endress+Hauser

Communication and data processing

Communication protocols:

Fieldbus systems

• HART

• PROFIBUS DP (Profile 3.02)

• Modbus TCP or RS485

• PROFINET

• EtherNet/IP

Only one type of fieldbus communication can ever be active. The last activation code entered

decides which bus is used.

The device drivers available make it possible to perform a basic setup and display measured

values and diagnostics information via the fieldbus. A full device configuration via the fieldbus

is not possible.

Extension module 485 and current outputs

For PROFIBUS DP and Modbus RS485 communication protocols:

A maximum of 2 current outputs can be used in parallel.

Ethernet functionality via Base2 module and current outputs

A maximum of 6 current outputs can be used in parallel.

Bus termination on the device

• Via slide switch at bus module 485

• Displayed via LED "T" on bus module 485

Dependability

Reliability

Memosens MEMO SENS

Memosens makes your measuring point safer and more reliable:

• Non-contact, digital signal transmission enables optimum galvanic isolation

• No contact corrosion

• Completely watertight

• Sensor can be calibrated in a lab, thus increasing the availability of the measuring point in the

process

• Intrinsically safe electronics mean operation in hazardous areas is not a problem.

• Predictive maintenance thanks to recording of sensor data, e.g.:

• Total hours of operation

• Hours of operation with very high or very low measured values

• Hours of operation at high temperatures

• Number of steam sterilizations

• Sensor condition

Heartbeat diagnostics

• Heartbeat diagnostics screen with graphic indicators for the health of the device and sensor and

with a maintenance or (sensor-dependent) calibration timer

• Heartbeat status information on the health of the device and the condition of the sensor

•

: Sensor/device condition or maintenance timer > 20 %; no action is required

•

: Sensor/device condition or maintenance timer > 5 ≤ 20 %, maintenance not yet urgent but

should be scheduled

•

: Sensor/device condition or maintenance timer < 5 %, maintenance is recommended

• The Heartbeat sensor condition is the assessment of the calibration results and the sensor

diagnostic functions.

An unhappy smiley can be due to the calibration result, the measured value status or to the

operating hours limit having been exceeded. These limits can be configured in the sensor setup in a

way that adapts the Heartbeat diagnostics to the application.

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