CM44P datasheet(2/60 Pages) EH

2 / 60 page

Liquiline CM44P

Endress+Hauser

Table of contents

Function and system design ................... 4

Measuring system with photometer ................. 4

Measuring system with optional Memosens sensors ...... 5

Application example ........................... 6

Equipment architecture ...................... 7

Slot and port assignment ........................ 7

Order of the modules ........................... 7

Basic rule for hardware upgrades ................... 8

Determining the hardware delivery status ............. 8

Terminal diagram ............................. 8

Device configuration using the example of a CM44P-** ... 10

Block circuit diagram of CM44P-** ................. 11

Communication and data processing ........... 12

Dependability ............................. 12

Reliability .................................

Maintainability .............................. 14

Security ................................... 17

Input .................................... 18

Measured variables ........................... 18

Measuring ranges ............................ 18

Types of input ............................... 18

Input signal ................................ 18

Cable specification ............................ 18

Digital inputs, passive ....................... 19

Electrical specification ......................... 19

Span ..................................... 19

Nominal input current ......................... 19

PFM function ............................... 19

Test voltage ................................ 19

Cable specification ............................ 19

Current input, passive ....................... 19

Span ..................................... 19

Signal characteristic ........................... 19

Internal resistance ............................ 19

Test voltage ................................ 19

Output .................................. 19

Output signal ............................... 19

Signal on alarm .............................. 20

Load ..................................... 20

Linearization/transmission behavior ................ 20

Digital outputs, passive ..................... 21

Electrical specification ......................... 21

External power supply ......................... 21

PFM function ............................... 21

Auxiliary voltage ............................. 21

Test voltage ................................ 21

Cable specification ............................ 21

Current outputs, active ...................... 21

Span ..................................... 21

Signal characteristic ........................... 21

Electrical specification ......................... 21

Cable specification ............................ 21

Relay outputs ............................. 21

Electrical specification ......................... 21

Cable specification ............................ 22

Protocol-specific data ....................... 22

HART .................................... 22

PROFIBUS DP ............................... 23

Modbus RS485 .............................. 23

Modbus TCP ................................ 23

EtherNet/IP ................................ 23

PROFINET ................................. 24

Web server ................................. 25

Power supply ............................. 25

Supply voltage .............................. 25

Power consumption ........................... 25

Fuse ..................................... 25

Overvoltage protection ......................... 26

Cable entries (field device only) ................... 26

Cable specification ............................ 26

Electrical connection .......................... 27

Connecting optional modules ..................... 28

Protective ground connection ....................

Sensor connection ............................ 30

Performance characteristics .................. 34

Response time .............................. 34

Reference temperature ......................... 34

Measured error for sensor inputs .................. 34

Measured error for current inputs and outputs ......... 34

Frequency tolerance of digital inputs and outputs ....... 34

Resolution of current inputs and outputs ............. 34

Repeatability ............................... 34

Mounting ................................ 35

Mounting requirements ........................ 35

Installation ................................. 36

Mounting on DIN rail as per IEC 60715 .............. 37

Wall mounting .............................. 38

Mounting the external display .................... 39

Environment .............................. 39

Ambient temperature .......................... 39

Storage temperature .......................... 39

Relative humidity ............................ 39

Degree of protection .......................... 39

Climate class (cabinet device only) ................. 40

Vibration resistance ........................... 40

Electromagnetic compatibility .................... 40

Electrical safety .............................. 40

Pollution degree ............................. 40

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