Endress+Hauser Liquiline CM442 Operating Instructions Manual
  1. Manuals
  2. Brands
  3. Endress+Hauser Manuals
  4. Controller
  5. Liquiline CM442
  6. Operating instructions manual

Endress+Hauser Liquiline CM442 Operating Instructions Manual

Universal four-wire multichannel controller field device
Hide thumbs Also See for Liquiline CM442:
Table of Contents

Advertisement

Quick Links

BA00444C/07/EN/29.22-00
71576748
2022-06-30
Valid as of version
01.12.01
Products
Operating Instructions
Liquiline CM442/CM444/CM448
Universal four-wire multichannel controller
Field device
Solutions
Services

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Liquiline CM442 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Endress+Hauser Liquiline CM442

Summary of Contents for Endress+Hauser Liquiline CM442

  • Page 1 Products Solutions Services BA00444C/07/EN/29.22-00 71576748 2022-06-30 Valid as of version 01.12.01 Operating Instructions Liquiline CM442/CM444/CM448 Universal four-wire multichannel controller Field device...

  • Page 3: Table Of Contents

    Liquiline CM442/CM444/CM448 Table of contents Table of contents About this document ....5 Operation options ....45 Warnings .
  • Page 4 Table of contents Liquiline CM442/CM444/CM448 Technical data ....150 16.1 Input ......150 16.2 Digital inputs, passive .

  • Page 5: About This Document

    Liquiline CM442/CM444/CM448 About this document About this document Warnings Structure of information Meaning This symbol alerts you to a dangerous situation. DANGER Failure to avoid the dangerous situation will result in a fatal or serious Causes (/consequences) injury. If necessary, Consequences of non-compliance (if applicable) ‣...

  • Page 6: Documentation

    About this document Liquiline CM442/CM444/CM448 Documentation The following manuals complement these Operating Instructions and are available on the product pages on the Internet: • Brief Operating Instructions for Liquiline CM44x, KA01159C • Operating Instructions for Memosens, BA01245C • Software description for Memosens inputs •...

  • Page 7: Basic Safety Instructions

    Liquiline CM442/CM444/CM448 Basic safety instructions Basic safety instructions Requirements for the personnel • Installation, commissioning, operation and maintenance of the measuring system may be carried out only by specially trained technical personnel. • The technical personnel must be authorized by the plant operator to carry out the specified activities.

  • Page 8: Workplace Safety

    Basic safety instructions Liquiline CM442/CM444/CM448 Workplace safety As the user, you are responsible for complying with the following safety conditions: • Installation guidelines • Local standards and regulations • Regulations for explosion protection Electromagnetic compatibility • The product has been tested for electromagnetic compatibility in accordance with the applicable international standards for industrial applications.

  • Page 9: Device Description

    Liquiline CM442/CM444/CM448 Device description Device description Housing closed Display Weather protection cover (optional) Navigator Sensor cable or current output cable Power supply cable Soft keys, assignment depends on menu A0025813  1 Mounted on a post Standard device 3.2.1 Housing open A0039719 ...

  • Page 10: Open Device With Sensor Communication Module Type 2Ds Ex-I

    Device description Liquiline CM442/CM444/CM448 Open device with sensor communication module type 2DS Ex-i A0045639  3 Example of a field device with sensor communication module type 2DS Ex-i and open display cover (without wiring) Display cable Cable mounting rail Basic module...

  • Page 11: Slot And Port Assignment

    Liquiline CM442/CM444/CM448 Device description Slot and port assignment Slots BASE2-E Ports  4 Slot and port assignment of the hardware modules • Inputs are assigned to measuring channels in the ascending order of the slots and ports. Adjacent example: "CH1: 1:1 pH glass" means:...

  • Page 12: Terminal Diagram

    Device description Liquiline CM442/CM444/CM448 Terminal diagram The unique terminal name is derived from: Slot no. : Port no. : Terminal Example, NO contact of a relay Device with 4 inputs for digital sensors, 4 current outputs and 4 relays • Base module BASE2-E (contains 2 sensor inputs, 2 current outputs) •...

  • Page 13: Incoming Acceptance And Product

    Liquiline CM442/CM444/CM448 Incoming acceptance and product identification Incoming acceptance and product identification Incoming acceptance 1. Verify that the packaging is undamaged.  Notify the supplier of any damage to the packaging. Keep the damaged packaging until the issue has been resolved.

  • Page 14: Scope Of Delivery

    4. Click the product overview.  A new window opens. Here you fill information pertaining to your device, including the product documentation. Manufacturer's address Endress+Hauser Conducta GmbH+Co. KG Dieselstraße 24 D-70839 Gerlingen Scope of delivery The scope of delivery comprises: •...
  • Page 15 Liquiline CM442/CM444/CM448 Incoming acceptance and product identification • UL50E • IEC 60529 • CAN/CSA-C22.2 No. 0 • CAN/CSA C22.2 No. 94 • CSA Std. C22.2 No. 213 • CAN/CSA-C22.2 No. 61010-1 • CAN/CSA-C22.2 No. 60529 • UL/ANSI/ISA 61010-1 • ANSI - ISA 12 12 01 4.4.4...

  • Page 16: Mounting

    Mounting Liquiline CM442/CM444/CM448 Mounting Mounting requirements 5.1.1 Dimensions Ø9 (0.35) 199 (7.38) 128 (5.04) 95 (3.74) 237 (9.33) A0012396  7 Dimensions of field housing in mm (in) 5.1.2 Mounting plate 4 x 6.5 (0.26) 80 (3.15) 125 (4.92) A0012426 ...

  • Page 17: Mounting The Measuring Device

    Liquiline CM442/CM444/CM448 Mounting 5.1.3 Weather protection cover NOTICE Effect of climatic conditions (rain, snow, direct sunlight etc.) Impaired operation to complete transmitter failure are possible! ‣ Always use the weather protection cover (accessory) when installing the device outdoors. 300 (11.8) 170 (6.69)
  • Page 18 Mounting Liquiline CM442/CM444/CM448 A0033045 A0025885  11 Post mounting  12 Attach the device and click it into place 1. Place the device on the mounting plate. 2. Slide the device downwards in the guide on the mounting rail until it clicks into place.
  • Page 19 Liquiline CM442/CM444/CM448 Mounting 5.2.3 Wall mounting ≥ 340 (13.4) A0027798  17 Wall mounting A0012686 Wall  16 Installation clearance in mm (in) 4 drill holes Mounting plate Screws Ø 6 mm (not part of scope of supply) The size of the drill holes depends on the wall plugs used. The wall plugs and screws must be provided by the customer.

  • Page 20: Post-Mounting Check

    Mounting Liquiline CM442/CM444/CM448 A0025890 A0025891  20 Disassembling  21 Disassembling 1. Hold down the latch. 2. Push up the device to remove it from the holder. 3. Remove the device towards the front. Post-mounting check 1. After installation, check the transmitter for damage.

  • Page 21: Electrical Connection

    Liquiline CM442/CM444/CM448 Electrical connection Electrical connection Connection conditions 6.1.1 Via HART (e.g. via HART modem and FieldCare) A0039620  22 HART using modem Device module Base2-L, -H or -E: current output 1 with HART HART modem for connection to PC, e.g. Commubox FXA191 (RS232) or FXA195...
  • Page 22 Electrical connection Liquiline CM442/CM444/CM448 ≤ 180°  23 Slacken the housing screws crosswise with a  24 Opening display cover, max. opening angle Phillips head screwdriver 180˚ (depends on installation position) 1. Slacken the housing screws crosswise. 2. To close the housing: tighten the screws in a similar step-by-step, crosswise sequence.
  • Page 23 Liquiline CM442/CM444/CM448 Electrical connection 6.2.2 Cable mounting rail A0048299  25 Cable mounting rail and associated function Cable mounting rail Cable clamps (fixing and grounding the sensor cables) Threaded bolt (protective ground connection, central grounding point) 6.2.3 Connecting the cable shield The sensor cable, fieldbus cable and Ethernet cable must be shielded cables.
  • Page 24 Electrical connection Liquiline CM442/CM444/CM448 6.2.4 Cable terminals Plug-in terminals for Memosens and PROFIBUS/RS485 connections ‣ ‣ Insert the cable until the limit ‣ Press the screwdriver against Remove the screwdriver (closes stop. the clip (opens the terminal). the terminal). After connection, make sure that every cable end is securely in place. Terminated cable ends, in particular, tend to come loose easily if they have not been correctly inserted as far as the limit stop.
  • Page 25 Liquiline CM442/CM444/CM448 Electrical connection 6.2.5 Connecting supply voltage for CM442 – – – – – N/– – A0039627 A0039625  29 Connecting the power supply using the  30 Complete wiring diagram using the example of example of the BASE2-H or -L...
  • Page 26 Electrical connection Liquiline CM442/CM444/CM448 Protective ground of power unit Serrated washer and nut Protective ground / ground cable, provided at the installation location (min. 0.75 mm ( 18 AWG)) Serrated washer and nut Mounting bolts  31 Protective ground or grounding connection With a fuse with a 10 A rating.
  • Page 27 Liquiline CM442/CM444/CM448 Electrical connection Connecting the supply voltage 1. Route the power supply cable into the housing through the suitable cable entry. 2. Connect the protective ground of the power unit to the threaded bolt specially provided on the cable mounting rail.

  • Page 28: Connecting The Sensors

    Electrical connection Liquiline CM442/CM444/CM448 Connecting the sensors 6.3.1 Sensor types with Memosens protocol for non-hazardous area Sensors with Memosens protocol Sensor types Sensor cable Sensors Digital sensors without With plug-in • pH sensors additional internal power connection and • ORP sensors...
  • Page 29 Liquiline CM442/CM444/CM448 Electrical connection 6.3.3 Connecting sensors for non-hazardous area Types of connection • Direct connection of the sensor cable to the terminal connector of the , basic module-L, - H or -E (→  35 ff.) • Optional: Sensor cable plug connected to the M12 sensor socket on the underside of the device With this type of connection, the device is already wired at the factory (→...
  • Page 30 Electrical connection Liquiline CM442/CM444/CM448 connection via M12 connection Only for connection in non-hazardous area. Device versions with a pre-installed M12 socket are ready-wired upon delivery. Version without a pre-installed M12 socket Insert an M12 socket Sensor 1 (accessory) into a suitable opening in the base of the housing.

  • Page 31: Connecting Additional Inputs, Outputs Or Relays

    Liquiline CM442/CM444/CM448 Electrical connection Ex-i Sensor Sensor A0045659  40 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).
  • Page 32 Electrical connection Liquiline CM442/CM444/CM448 6.4.1 Digital inputs and outputs DIO module – – – – – –  42 Wiring  41 Module diagram 6.4.2 Current inputs Module 2AI – –  43 Module  44 Wiring diagram Endress+Hauser...
  • Page 33 Liquiline CM442/CM444/CM448 Electrical connection 6.4.3 Current outputs – – – – – –  46 Wiring  47 Module  48 Wiring  45 Module diagram diagram 6.4.4 Relays Module 2R Module 4R  49 Module  50 Wiring  51 Module ...
  • Page 34 Electrical connection Liquiline CM442/CM444/CM448 Example: Connecting the cleaning unit 71072583 for CAS40D NOTICE Power consumption too high for the Liquiline alarm relay! Can cause irreparable damage to the base module ‣ Connect the cleaning unit only to terminals of an additional module (AOR, 2R or 4R), not to the alarm relay of the base module.

  • Page 35: Connecting Profibus Dp Or Modbus Rs 485

    Liquiline CM442/CM444/CM448 Electrical connection Connecting PROFIBUS DP or Modbus RS 485 6.5.1 Module 485 128/SW Service DGND Termi- nation RS485  56 Wiring  55 Module diagram Terminal PROFIBUS DP Modbus RS485 Not connected DGND DGND LEDs on front of module...
  • Page 36 Electrical connection Liquiline CM442/CM444/CM448 6.5.2 Connecting via M12 plug PROFIBUS DP M12 Y-section Wiring in M12 Y section Pin assignment in plug and socket  59 Plug (left) and socket (right) P5V, 5 V power supply for external terminating resistor P0V, reference potential for n.c., not connected...
  • Page 37 Liquiline CM442/CM444/CM448 Electrical connection Ethernet, web server, PROFINET (BASE2 module versions only) Internal connection Pin assignment in plug and socket  64 Plug (left) and socket (right) Shielding (thread)  63 Ethernet socket Endress+Hauser...

  • Page 38: Hardware Settings

    Electrical connection Liquiline CM442/CM444/CM448 6.5.3 Bus termination There are 2 ways to terminate the bus: 1. Internal termination (via DIP switch on module board) "OFF" "ON"  65 DIP switch for internal termination ‣ Using a suitable tool such as a tweezer, move all four DIP switches to the "ON" position.

  • Page 39: Ensuring The Degree Of Protection

    Liquiline CM442/CM444/CM448 Electrical connection on off on off on off A0026776 A0026777 A0026778  67 Valid PROFIBUS address 67  68 Valid Modbus address 195  69 Invalid address 255 Order configuration, software addressing is active, software address configured at the factory: PROFIBUS 126,...

  • Page 40: Post-Connection Check

    Electrical connection Liquiline CM442/CM444/CM448 Post-connection check WARNING Connection errors The safety of people and of the measuring point is at risk! The manufacturer does not accept any responsibility for errors that result from failure to comply with the instructions in this manual.

  • Page 41: System Integration

    Liquiline CM442/CM444/CM448 System integration System integration Web server Versions without fieldbus: An activation code is required for the web server. The connection described is only possible with BASE2 module versions. 7.1.1 Connection ‣ Connect the communication cable of the computer to the Ethernet port of the BASE2 module.
  • Page 42 12. Enter the following address(es) to download logbooks:  192.168.1.212/logbooks_csv.fhtml (for logbooks in CSV format) 192.168.1.212/logbooks_fdm.fhtml (for logbooks in FDM format) Downloads in FDM format can be securely transmitted, saved and visualized with Endress+Hauser' s "Field Data Manager Software". (→ www.endress.com/ms20) 7.1.3 Operation The menu structure of the web server corresponds to the onsite operation.

  • Page 43: Service Interface

    Liquiline CM442/CM444/CM448 System integration 4. Additional Functions/Heartbeat: Select the language of the pdf file.  The verification report is displayed in the browser and can be printed out, saved as a pdf file, etc. Service interface You can connect the device to a computer via the service interface and configure it using "FieldCare"...

  • Page 44: Fieldbus Systems

    System integration Liquiline CM442/CM444/CM448 Fieldbus systems 7.3.1 HART You can communicate using the HART protocol via current output 1. 1. Connect the HART modem or HART handheld terminal to current output 1 (communication load 250 ‐ 500 Ohm). 2. Establish a connection via your HART device.

  • Page 45: Operation Options

    Liquiline CM442/CM444/CM448 Operation options Operation options Overview 8.1.1 Display and operating elements A0011764  73 Overview of operation Display (with red display background in alarm condition) Navigator (jog/shuttle and press/hold function) Soft keys (function depends on menu) 8.1.2 Display Menu path and/or device designation...

  • Page 46: Access To Operating Menu Via Local Display

    Operation options Liquiline CM442/CM444/CM448 Access to operating menu via local display 8.2.1 Operating concept ‣ ‣ Pressing the soft key: selecting the menu directly Turning the navigator: moving the cursor in the menu Menu/Language English Čeština Nederlands Français Deutsch Italiano Polski ‣...

  • Page 47: Configuration Options

    Liquiline CM442/CM444/CM448 Operation options 2. Select whether to lock keys with or without a password.  The keys are locked. No more entries can be made. In the soft key bar, you will see the symbol. The password is 0000 when the device is delivered from the factory. Make sure to note down any changes to the password, as otherwise you will not be able to unlock the keypad yourself.
  • Page 48 Operation options Liquiline CM442/CM444/CM448 8.3.5 User-defined text • You are assigning an individual designation. • Enter a text. You can use the characters in the editor for this purpose (upper-case and lower-case letters, numbers and special characters). • Using the soft keys, you can: •...

  • Page 49: Commissioning

    Liquiline CM442/CM444/CM448 Commissioning Commissioning Function check WARNING Incorrect connection, incorrect supply voltage Safety risks for staff and device malfunctions! ‣ Check that all connections have been established correctly in accordance with the wiring diagram. ‣ Ensure that the supply voltage matches the voltage indicated on the nameplate.

  • Page 50: User Definable Screens

    Commissioning Liquiline CM442/CM444/CM448 9.2.2 Display settings Menu/Operation/Display Function Options Info Contrast 5 to 95 % Adjust the screen settings to suit your working environment. Factory setting 50 % Backlight = Automatic The backlighting is switched off automatically Backlight Selection after a short time if a button is not pressed. It •...

  • Page 51: Basic Setup

    Liquiline CM442/CM444/CM448 Commissioning Menu/Operation/User definable screens Function Options Info Actuator type Selection For more information on controllers and • None manipulated variables: →  71. Source of data is a • Bipolar controller • Unipolar- • Unipolar+ Factory setting None...

  • Page 52: Operation

    Operation Liquiline CM442/CM444/CM448 Operation 10.1 Display 10.1.1 Soft keys in measuring mode On the bottom row of the display you can find four soft keys in the measuring screens: • With MENU, CAL and DIAG take you directly to the specific software menu.
  • Page 53 Liquiline CM442/CM444/CM448 Operation Sensor type Main value Main/secondary All values measured value Nitrate Nitrate Nitrate, temperature Main value, Raw value, Temperature Turbidity Turbidity Turbidity, temperature Main value, Raw value, Temperature Spectral absorption SAC, temperature Main value, Raw value, coefficient (SAC)

  • Page 54: General Settings

    Operation Liquiline CM442/CM444/CM448 10.1.3 Device status Icons on the display alert you to special device states. Icon Location Description Header bar Diagnostic message "Failure" Header bar Diagnostic message "Maintenance request" Header bar Diagnostic message "Check" Header bar Diagnostic message "Out of specification"...
  • Page 55 Liquiline CM442/CM444/CM448 Operation Menu/Setup/General settings Function Options Info Current output range Selection In accordance with Namur NE43, the linear • 0..20 mA range is from 3.8 to 20.5 mA (4..20 mA) or • 4..20 mA from 0 to 20.5 mA (0..20 mA). If the range is...
  • Page 56 Operation Liquiline CM442/CM444/CM448 Menu/Setup/General settings/Date/Time Function Options Info Extended setup ‣ Date format Selection Select a date format. • DD.MM.YYYY • YYYY-MM-DD • MM-DD-YYYY Factory setting DD.MM.YYYY ‣ Time format Selection Choose between 12-hour display or 24-hour • hh:mm am (12h) display.
  • Page 57 Liquiline CM442/CM444/CM448 Operation In addition, you can also define individual data logbooks . 1. Assign the logbook name. 2. Select the measured value to be recorded. 3. Set the scan time (Scan time).  You can set the scan time individually for every data logbook.
  • Page 58 Operation Liquiline CM442/CM444/CM448 Menu/Setup/General settings/Logbooks Function Options Info Scan time 0:00:01 to 1:00:00 Minimum time interval between two entries Format: H:MM:SS Factory setting 0:01:00 Data logbook Selection Ring buffer • Ring buffer If the memory is full, the most recent entry •...
  • Page 59 Liquiline CM442/CM444/CM448 Operation Menu/Setup/General settings/Logbooks Function Options Info Line plotter Menu to define the graphic display Axes Selection Should the axes (x, y) be displayed (On) or not • Off (Off)? • On Factory setting Orientation Selection You can choose whether the value curves should •...
  • Page 60 Operation Liquiline CM442/CM444/CM448 10.2.5 Advanced setup Diagnostics settings The list of diagnostic messages displayed depends on the path selected. There are device- specific messages, and messages that depend on what sensor is connected. Menu/Setup/(General settings or Inputs<Sensor channel>)/Extended setup/Diagnostics settings/Diag.
  • Page 61 Liquiline CM442/CM444/CM448 Operation HART bus address The list of diagnostic messages displayed depends on the path selected. There are device- specific messages, and messages that depend on what sensor is connected. Menu/Setup/General settings/Extended setup/HART Function Options Info Bus address 0 to 63...
  • Page 62 Operation Liquiline CM442/CM444/CM448 Menu/Setup/General settings/Extended setup/Modbus Function Options Info Settings Transmission mode Selection The transmission mode is displayed depending • TCP on the version ordered. • RTU In the case of RS485 transmission, you can • ASCII choose between RTU and ASCII . There are no choices for Modbus-TCP.
  • Page 63 Liquiline CM442/CM444/CM448 Operation Menu/Setup/General settings/Extended setup/Webserver Function Options Info User administration List of users already View/edit You can change user names or passwords or created delete users. A user is already created at the factory: "admin" with password "admin". New user:...
  • Page 64 Operation Liquiline CM442/CM444/CM448 Menu/Setup/General settings/Extended setup/Ethernet Function Options Info Enable Selection You can switch off communication at this point. • Off The software can then only be accessed via local • On operation. Factory setting Settings Link settings Selection Transmission methods of the communication •...
  • Page 65 Liquiline CM442/CM444/CM448 Operation Accepting settings Have you changed settings manually, such as the IP address? ‣ Before you leave the Ethernet menu: select SAVE to apply your settings.  In the DIAG/System information menu you can check whether the new settings are used.
  • Page 66 Operation Liquiline CM442/CM444/CM448 2. Go to Menu/Setup/General settings/Extended setup/Data management/Load setup .  A list of all the setups on the SD card is displayed. An error message is displayed if there is no valid setup on the card. 3. Select the desired setup.
  • Page 67 Liquiline CM442/CM444/CM448 Operation Function Activation code beginning with HART 0B1... PROFIBUS DP 0B3... Modbus TCP 0B8... Modbus RS485 0B5... EtherNet/IP 0B9... PROFINET 0B7... Measuring range switching, set 1 211... Measuring range switching, set 2 212... Feedforward control 220... Chemoclean Plus 25...

  • Page 68: Current Inputs

    Operation Liquiline CM442/CM444/CM448 10.3 Current inputs The input can be used as the data source for limit switches and logbooks, for example. Furthermore, external values can be made available as set points for controllers. Menu/Setup/Inputs/Current input x:y Function Options Info ‣...
  • Page 69 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Outputs/Current output x:y Function Options Info Current output Selection Use this function to activate or deactivate a • Off variable being output at the current output • On Factory setting Source of data Selection The sources of data on offer depend on your •...
  • Page 70 Operation Liquiline CM442/CM444/CM448 Source of data Measured value Oxygen (amp.) Selection • Temperature Oxygen (opt.) • Partial pressure • Concentration liquid • Saturation • Raw value nA (only Oxygen (amp.)) • Raw value μs (only Oxygen (opt.)) Cond i Selection •...
  • Page 71 Liquiline CM442/CM444/CM448 Operation Outputting the controller manipulated variable via the current output Unipolar+ Assign to the output to which an actuator that can increase the measured value is connected. Unipolar- Assign to the output to which an actuator that can decrease the measured value is connected.
  • Page 72 Operation Liquiline CM442/CM444/CM448 Outputting the status of a limit switch Function = Limit switch Function Options Info Source of data Selection Select the limit switch via which the status of the Limit switch 1 ... 8 relay is to be output.
  • Page 73 Liquiline CM442/CM444/CM448 Operation 1. PWM (pulse width modulation): The duty cycle is varied within a period T (T=t ). The cycle duration remains constant. y = t / T 10 % 50 % 100 % 1 "High" 0 "Low"  74 Typical application: solenoid valve 2.
  • Page 74 Operation Liquiline CM442/CM444/CM448 Function = Controller Function Options Info Maximum frequency 1 to 180 min Maximum number of pulses per minute The controller calculates the pulse duration Operating mode = PFM Factory setting based on this setting. 60 min ‐1...
  • Page 75 Liquiline CM442/CM444/CM448 Operation Outputting the status of a cleaning function Function = Cleaning Function Options Info Assignments Selection Here you can specify how a cleaning function • None should be displayed for the relay. • Depends on the type of...
  • Page 76 Operation Liquiline CM442/CM444/CM448 Function = Controller Function Options Info Maximum frequency 1 to 180 min Maximum number of pulses per minute The controller calculates the pulse duration Operating mode = PFM Factory setting based on this setting. 60 min ‐1...
  • Page 77 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Additional functions/Controller 1 1. In the specified menu, define PROFIBUS as the data source. 2. Select the desired analog output (AO) or digital output (DO) as the measured value. Further information on "PROFIBUS" can be found in the Guideline for Communication via PROFIBUS, SD01188C Further information on "PROFINET"...

  • Page 78: Binary Inputs And Outputs

    Operation Liquiline CM442/CM444/CM448 10.5 Binary inputs and outputs Hardware options, such as the "DIO" module with 2 digital inputs and 2 digital outputs or fieldbus module "485" enable the following: • Via a digital input signal • measuring range switching for conductivity (upgrade code required, →  66) •...
  • Page 79 Liquiline CM442/CM444/CM448 Operation 2. In the software, configure a controller and as the source select the binary input (e.g.Binary input 1) to which the proximity switch is connected. (Menu/Additional functions/Controllers/Controller 1/Controller enable = Binary input 1) 3. Signal type: For the selected input, select the factory setting (Static signal).
  • Page 80 Operation Liquiline CM442/CM444/CM448 3. The trigger is transferred via an additional binary output to another device, whose connected sensors have their own cleaning units. The signal can be used to simultaneously activate a self-cleaning with the master. 10.5.2 Binary input configuration...
  • Page 81 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Inputs/Binary input x:y Function Options Info Input variable Selection Frequency • Frequency Display in Hz in the measuring menu • Parameter Parameter • Flow rate You subsequently determine the parameter Factory setting name and unit. These are then displayed in the Frequency measuring menu.
  • Page 82 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Outputs/Binary output x:y Function Options Info Signal type = Static signal Function Selection Source for the outputted switching state • None The following functions depend on the option • Limit switches selected. • Diagnostics message Function = None switches off the function.

  • Page 83: Additional Functions

    Liquiline CM442/CM444/CM448 Operation Menu/Setup/Outputs/Binary output x:y Function Options Info Source of data Selection Source whose value should be read out as a • None frequency via the binary output. • Sensor inputs • Binary inputs • Controller • Fieldbus signals •...
  • Page 84 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Additional functions/Limit switches/Limit switch 1 ... 8 Function Options Info ‣ Source of data Selection Specify the input or output which is to be the • None data source for the limit switch. • Sensor inputs The sources of data on offer depend on your •...
  • Page 85 Liquiline CM442/CM444/CM448 Operation Source of data Measured value TU/TS Selection • Temperature • Turbidity g/l (only TU/TS) • Turbidity FNU (only TU/TS) • Turbidity Formazine (only TU) • Turbidity solid (only TU) Nitrate Selection • Temperature • NO3 • NO3-N...
  • Page 86 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Additional functions/Limit switches/Limit switch 1 ... 8 Function Options Info Limit value Settings depend on the Operating mode = Above limit check or Below measured value limit check A0028523  78 Exceeding (A) and undershooting (B) a limit value (without hysteresis and switch-on delay)
  • Page 87 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Additional functions/Limit switches/Limit switch 1 ... 8 Function Options Info Hysteresis Settings depend on the Operating mode ≠ Change rate measured value The hysteresis is needed to ensure a stable switching behavior. The device software adds or subtracts the value set here to/from the limit value (Limit value, Range lower value or Range upper value).
  • Page 88 Operation Liquiline CM442/CM444/CM448 A0041544  82 Signal pattern of a time switch Timeline Signal level (1 = on, 0 = off) Period Signal duration Start time (Start date, Start time) Menu/Setup/Additional functions/Time switches/ Time switch 1 ... 8 Function Options...
  • Page 89 Liquiline CM442/CM444/CM448 Operation [° C] t [h] A0041704  83 Time-based temperature control 1. Program Time switch 1 (T1): • Start date = 01.01.2020 • Start time = 08:00:00 • Signal duration = 09:00:00 • Period = 24:00:00 2. Define Time switch 2 (T2): •...
  • Page 90 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Additional functions/Mathematical functions • MF1: Formula • Tracking = On • Source A = Time switch 1 • Source B = pH value of a Memosens pH input • Formula = A AND(B<4.0) 3. Use the formula as the data source of a relay.
  • Page 91 Liquiline CM442/CM444/CM448 Operation The graphic does not illustrate a downstream filter for limiting the rate of change of the manipulated variable (can be configured in the menu in Max y change rate). In the menu do not configure the gain K .
  • Page 92 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Additional functions/Controller 1 ... 2 Function Options Info Controller enable Selection In connection with the DIO module, you can • None select a binary input signal, e. g.from an • Binary inputs inductive proximity switch, as a source for •...
  • Page 93 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Additional functions/Controller 1 ... 2 Function Options Info Effective direction Selection In what direction should the controller influence • Direct the measured value? Controller type = PID 1-sided • Reverse • The measured value should increase as a result of dosing (e. g.
  • Page 94 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Additional functions/Controller 1 ... 2 Function Options Info In the case of "flowing medium" (in-line) controls, the flow rate may not be constant. In some circumstances, strong fluctuations are possible. In the case of a settled control system in which the flow rate is suddenly halved, it is desirable that the dosed quantity from the controller is also directly halved.
  • Page 95 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Additional functions/Controller 1 ... 2 Function Options Info ‣ Measured value Selection Specify the measured value that should be Depends on Source of data your disturbance variable. Factory setting You can use different measured values None depending on the data source. →  83 Range of adjustment Proportional band ‐‐>...
  • Page 96 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Additional functions/Controller 1 ... 2 Function Options Info 0.1 to 999.9 s Time constant for anti‐windup feedback The lower the value the greater the integrator Factory setting inhibition. Exercise extreme caution when 20.0 s making changes. Clock < Twu < 0.5(Tn + Tv) 0.1 to 999.9 s...
  • Page 97 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Additional functions/Controller 1 ... 2 Function Options Info XHyst 0.0 to 99.9 % Width of the hysteresis range of the neutral zone, relative component of x Factory setting 0.0 % hyst e = w-x The graphic illustrates the manipulated variable (with a pure P‐controller) over the control deviation e (set point minus controlled variable).
  • Page 98 Operation Liquiline CM442/CM444/CM448 Types of cleaning The user can choose from the following cleaning types: • Standard clean • Chemoclean • Chemoclean Plus State of cleaning: Indicates whether the cleaning program is active or not. This is for information purposes only.
  • Page 99 Liquiline CM442/CM444/CM448 Operation Chemoclean Plus An example is the use of the CYR10 injector unit to clean pH glass sensors. (CYR10 connection →  34) Menu/Setup/Additional functions/Cleaning/Cleaning 1 ... 4/Chemoclean Plus/ChemoCleanPlus setup Function Options Info Cleaning steps setup Table to create a time...
  • Page 100 Operation Liquiline CM442/CM444/CM448 Defining the cleaning cycle Menu/Setup/Additional functions/Cleaning/Cleaning 1 ... 4 Function Options Info ‣ Cleaning cycle Selection Choose from a cleaning routine that is • Off restarted at set intervals and a user- • Interval definable weekly program.
  • Page 101 Liquiline CM442/CM444/CM448 Operation The "virtual" process values can be: • Output via a current output or a fieldbus • Used as a controlled variable • Assigned as a measured variable to a limit switch • Used as a measured variable to trigger cleaning •...
  • Page 102 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Additional functions/Mathematical functions/MF1 to 8/Mode = Redundancy Function Options Info Deviation control Selection You can monitor the redundancy. Specify an • Off absolute limit value that must not be exceeded. • On Factory setting Deviation limit Depends on the selected...
  • Page 103 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Additional functions/Mathematical functions/MF1 to 8/Mode = Degassed conductivity Function Options Info Calculation Selection On/off switch for the function • Off • On Factory setting Cation conductivity Connected conductivity Cation conductivity represents the sensor sensor downstream from the cation exchanger and upstream from the "degassing module",...
  • Page 104 Operation Liquiline CM442/CM444/CM448 Calculated pH value The pH value can be calculated from the measured values of two conductivity sensors under certain conditions. Areas of application include power stations, steam generators and boiler feedwater. Menu/Setup/Additional functions/Mathematical functions/MF1 to 8/Mode = pH calculation from...
  • Page 105 Liquiline CM442/CM444/CM448 Operation The calculation of the remaining capacity depends on the following factors: • Flow rate • Volume of the exchanger • Salinity of the water at the exchanger inlet • Total volume capacity of the resin • Degree of efficiency of the exchanger...
  • Page 106 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Additional functions/Mathematical functions/MF1 to 8/Mode = Cation exchanger capacity Function Options Info Cond IEX input Connected conductivity Select the conductivity sensor upstream from the sensor inlet of the exchanger column. Cond IEX output Connected conductivity Select the conductivity sensor downstream from sensor the outlet of the exchanger column.
  • Page 107 Liquiline CM442/CM444/CM448 Operation Symbol Operation Type of operands Type of result Example Decadic logarithm Numerical Numerical LOG(A) Maximum of two values Numerical Numerical MAX(A,B) Minimum of two values Numerical Numerical MIN(20,B) Division with remainder Numerical Numerical MOD (10.3) Absolute value...
  • Page 108 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Additional functions/Mathematical functions/MF1 to 8/Mode = Formula Function Options Info Result unit User-defined text You may enter a unit for the calculated value if desired. Result format Selection Select the number of decimal places. • # • #.# •...
  • Page 109 Liquiline CM442/CM444/CM448 Operation 5. Connect the valve or pump. 10.6.6 Measuring range switching A measuring range switching (MRS) configuration includes the following options for each of the four binary input states: • Operating mode (conductivity or concentration) • Concentration table •...
  • Page 110 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Additional functions/Measuring range switch Function Options Info MRS set 1 ... 2 If you enter both activation codes, you have two independent parameter sets available for measuring range switching. The submenus are the same for both sets.
  • Page 111 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Additional functions/Measuring range switch Function Options Info Current output Range lower unit Depends on the Operating Units are only queried for Operating mode = mode Conductivity . The other units are pre-defined Range lower value and cannot be modified.
  • Page 112 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Additional functions/Diagnostic modules Function Options Info Active low Selection On: The output value is equal to the inverse • Off output value. • On Factory setting Short text Free text Give the diagnostic message a name. Diagnostic module...

  • Page 113: Calibration

    Liquiline CM442/CM444/CM448 Calibration Calibration • Sensors with Memosens protocol are calibrated at the factory. • Users must decide whether the process conditions present require calibration during initial commissioning. • Additional calibration is not required in many standard applications. ‣ Calibrate sensors at sensible intervals depending on the process.

  • Page 114: Diagnostics And Troubleshooting

    Diagnostics and troubleshooting Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting 12.1 General troubleshooting The transmitter continuously monitors its functions itself. If a diagnostic message occurs, the display alternates between the diagnostic message and the measured value in the measuring mode. The color of the display background changes to red if a diagnostic message for error category "F"...

  • Page 115: Diagnostic Information On Local Display

    Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting Problem Possible cause Tests and/or remedial measures ‣ Current output, incorrect Incorrect adjustment Check with integrated current simulation, current value connect mA meter directly to current output. Load too large Shunt/short to ground in current loop ‣...
  • Page 116 Diagnostics and troubleshooting Liquiline CM442/CM444/CM448 12.5.2 Adapting the diagnostic behavior All the diagnostic messages are assigned to specific error categories at the factory. Since other settings might be preferred depending on the application, error categories and the effect errors have on the measuring point can be configured individually. Furthermore, every diagnostic message can be disabled.

  • Page 117: Overview Of Diagnostic Information

    Output values and status of the channel are on hold Firmware failure Internal device error Update the software. Firmware incomp. Contact Endress+Hauser Service. Firmware failure Replace the backplane (Endress+Hauser Service). Electronics module Electronics module defective Replace the module. Contact Endress+Hauser Service. Module connection Electronics module not communicating Check the module , replace it if necessary.
  • Page 118 Factory reset is performed Device verification Device verification active, please wait Service IP active Endress+Hauser Service switch is switched on The device can be addressed at 192.168.1.212. ‣ Switch off the service switch to change to the saved IP settings.
  • Page 119 Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting Message Factory settings Tests or remedial action SD card (80%) SD card 80% full Replace SD card with empty card. Clear SD card. Set logbook properties to ring buffer (Setup/General settings/Logbooks). SD card (100%) SD card 100% full. No longer possible to write to the card.
  • Page 120 Diagnostics and troubleshooting Liquiline CM442/CM444/CM448 Message Factory settings Tests or remedial action Cat.exchanger failure Invalid values for conductivity or flow Check for valid measured values in the menu of the mathematical function. Check sensors. Check minimum flow. Cat.exchanger warning Limit values exceeded for conductivity or flow.

  • Page 121: Pending Diagnostic Messages

    Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting Message Factory settings Tests or remedial action PFM/PWM value high Pulse frequency modulation: output signal exceeded/undershot. Measured value outside the PFM/PWM value low specified range. • Sensor in air • Air pockets in assembly • Incorrect flow to sensor •...

  • Page 122: Event Logbook

    Diagnostics and troubleshooting Liquiline CM442/CM444/CM448 12.9 Event logbook 12.9.1 Available logbooks Types of logbooks • Logbooks physically available (all apart from the overall logbook) • Database view of all logbooks (= overall logbook) Logbook Visible in Max. Can be Logbook...
  • Page 123 Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting DIAG/Logbooks Function Options Info Configuration events Chronological list of the configuration events Show Events are displayed Select a particular event to display more detailed information. Go to date User entry Use this function to go directly to a specific time •...

  • Page 124: 12.10 Simulation

    Diagnostics and troubleshooting Liquiline CM442/CM444/CM448 DIAG/Logbooks Function Options Info Data logbooks Chronological list of the data logbook entries for sensors Data logbook 1 ... 8 This submenu is available for each data logbook <Logbook name> that you have set up and activated.
  • Page 125 Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting DIAG/Simulation Function Options Info Current output x:y Simulation of an output current This menu appears once for each current output. Simulation Selection If you simulate the value at the current output, • Off this is indicated on the display by a simulation •...

  • Page 126: 12.11 Device Test

    Diagnostics and troubleshooting Liquiline CM442/CM444/CM448 12.11 Device test DIAG/System test Function Options Info Photometer Cleaning factor Read only Power supply Read only Detailed list of power supply to instrument. • Digital supply 1: 1.2V  The actual values can vary without a •...

  • Page 127: 12.12 Resetting The Measuring Device

    Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting 12.12 Resetting the measuring device DIAG/Reset Function Options Info Device restart Selection Restart and keep all the settings • OK • ESC Factory default Selection Restart with factory settings • OK Settings that have not been saved are lost.
  • Page 128 Diagnostics and troubleshooting Liquiline CM442/CM444/CM448 DIAG/System information Function Options Info PROFIBUS Read only Module status and other PROFIBUS- • Termination specific information Only with the PROFIBUS option • Bus address • Ident number • Baudrate • DPV0 state • DPV0 fault •...
  • Page 129 Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting DIAG/System information Function Options Info Heartbeat operation Heartbeat functions are only available with the appropriate device version or optional access code. Device Read only Availability • Total operating time Percentage of time no error with the •...

  • Page 130: 12.14 Firmware History

    • Local display can be locked via Modbus or Ethernet/IP • The output status can also be recorded in the data logbook • Name of Endress+Hauser pH buffer 9.18 changed to 9.22 • CUS51D factor can be read out via fieldbus Endress+Hauser...
  • Page 131 Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting Date Version Changes to firmware Documentation 03/2016 01.06.00 Expansion BA00444C/07/EN/19.16 • Heartbeat verification BA00486C/07/EN/02.13 • User-configurable diagnostic modules BA01245C/07/EN/03.16 • Four-factor adjustment, SAC • Offset calibration CUS71D • New mathematical function, cation exchanger • Configurable byte order for Modbus Improvement •...
  • Page 132 Diagnostics and troubleshooting Liquiline CM442/CM444/CM448 Date Version Changes to firmware Documentation 04/2013 01.04.00 Expansion BA00444C/07/EN/16.13 • Conductivity: BA00445C/07/EN/16.13 • Measuring range switching BA00450C/07/EN/16.13 • Temperature compensation ISO 7888 at 20 °C BA00451C/07/EN/15.13 • Support for DIO module BA00486C/07/EN/01.11 • Triggering of an external hold •...
  • Page 133 Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting Date Version Changes to firmware Documentation 12/2010 01.02.00 Expansion BA444C/07/EN/13.10 • Support for additional sensors: BA445C/07/EN/13.10 • Chlorine BA450C/07/EN/13.10 • ISE BA451C/07/EN/13.10 • SAC BA00486C/07/EN/01.11 • Interface • HART Communication • Mathematical functions Improvement • Modified software structures •...

  • Page 134: Maintenance

    Maintenance Liquiline CM442/CM444/CM448 Maintenance Effects on process and process control ‣ Take all the necessary precautions in time to ensure the operational safety and reliability of the entire measuring point. The maintenance of the measuring point comprises: • Calibration • Cleaning the controller, assembly and sensor •...
  • Page 135 Liquiline CM442/CM444/CM448 Maintenance Replacing the sensor while ensuring measuring point availability If an error occurs or the maintenance schedule stipulates that the sensor has to be replaced, use a new sensor, or a sensor that has been precalibrated in the laboratory.

  • Page 136: Repair

    Repair Liquiline CM442/CM444/CM448 Repair 14.1 Spare parts A0045472  88 Spare parts: You can find the names of spare parts and their order numbers in the following table. In the case of transmitters with communication module 2DS Ex-i, modules may only be replaced by persons authorized by the manufacturer.
  • Page 137 Item Order no. Kit CM44x/CM44xR: electronics module backplane 71401272 • Backplane complete • To be replaced only by Endress+Hauser Service Kit CM44x/CM44xR: electronics module extension backplane 71141366 • Extension backplane complete • To be replaced only by Endress+Hauser Service Kit CM44x: power distribution terminals N+L 71101461 •...
  • Page 138 Kit CM44x/CM44xR: terminal set for extension module 2AI, 485 71155583 Kit CM44x: sensor communication module 2DS Ex-i 71477718 To be replaced only by Endress+Hauser Service Kit CM44x: set of 6 glands, metric 71101768 • Accessories kit, M cable glands • Instructions for spare parts kit CM44x...

  • Page 139: Return

    The product must be returned if repairs or a factory calibration are required, or if the wrong product was ordered or delivered. As an ISO-certified company and also due to legal regulations, Endress+Hauser is obliged to follow certain procedures when handling any returned products that have been in contact with medium.

  • Page 140: Accessories

    Accessories Liquiline CM442/CM444/CM448 Accessories The following are the most important accessories available at the time this documentation was issued. ‣ For accessories not listed here, please contact your Service or Sales Center. 15.1 Device-specific accessories 15.1.1 Weather protection cover CYY101 •...
  • Page 141 Liquiline CM442/CM444/CM448 Accessories Memosens CPS71E • pH sensor for chemical process applications • With ion trap for poison-resistant reference • Digital with Memosens 2.0 technology • Product Configurator on the product page: www.endress.com/cps71e Technical Information TI01496C Memosens CPS91E • pH sensor for heavily polluted media •...
  • Page 142 Accessories Liquiline CM442/CM444/CM448 Memosens CPS72E • ORP sensor for chemical process applications • Digital with Memosens 2.0 technology • Product Configurator on the product page: www.endress.com/cps72e Technical Information TI01576C Memosens CPF82E • ORP sensor for mining operations, industrial water and wastewater treatment •...
  • Page 143 Liquiline CM442/CM444/CM448 Accessories Memosens CPS76E • pH/ORP sensor for process technology • Digital with Memosens 2.0 technology • Product Configurator on the product page: www.endress.com/cps76e Technical Information TI01601C Memosens CPS96E • pH/ORP sensor for heavily polluted media and suspended solids •...
  • Page 144 Accessories Liquiline CM442/CM444/CM448 Memosens CLS82E • Hygienic conductivity sensor • Digital with Memosens 2.0 technology • Product Configurator on the product page: www.endress.com/cls82e Technical Information TI01529C Oxygen sensors Memosens COS22E • Hygienic amperometric oxygen sensor with maximum measurement stability over multiple sterilization cycles •...
  • Page 145 Liquiline CM442/CM444/CM448 Accessories Turbidity sensors Turbimax CUS51D • For nephelometric measurements of turbidity and solids in wastewater • 4-beam scattered light method • With Memosens technology • Product Configurator on the product page: www.endress.com/cus51d Technical Information TI00461C Turbimax CUS52D • Hygienic Memosens sensor for turbidity measurement in drinking water, process water and in utilities •...

  • Page 146: Communication-Specific Accessories

    Liquiline CM442/CM444/CM448 15.2 Communication-specific accessories Device Care SFE100 • Configuration of Endress+Hauser devices • Fast and easy installation, online application updates, one-click connection to devices • Automatic hardware identification and driver catalog update • Device configuration with DTMs Technical Information Device Care SFE100, TI01134S...
  • Page 147 Liquiline CM442/CM444/CM448 Accessories Kit, extension module 4R • 4 x relay • Order No. 71125376 Kit, extension module 2AO • 2 x 0/4 to 20 mA analog output • Order No. 71135632 Kit, extension module 4AO • 4 x analog output 0/4 to 20 mA •...

  • Page 148: System Components

    Accessories Liquiline CM442/CM444/CM448 Activation code for digital HART communication Order No. 71128428 Activation code for PROFIBUS DP Order No. 71135635 Activation code for Modbus RS485 Order No. 71135636 Activation code for PROFINET + web server for BASE2 Order No. 71449901 Activation code for Ethernet/IP + web server for BASE2 Order No.

  • Page 149: Other Accessories

    Liquiline CM442/CM444/CM448 Accessories 15.5 Other accessories 15.5.1 SD card • Industrial Flash Drive, 1 GB • Order number: 71110815 15.5.2 Cable glands Kit CM44x: gland M • Set, 6 pieces • Order number: 71101768 Kit CM44x: gland NPT • Set, 6 pieces •...

  • Page 150: Technical Data

    Technical data Liquiline CM442/CM444/CM448 Technical data 16.1 Input Measured variables → Documentation of the connected sensor Measuring ranges → Documentation of the connected sensor Types of input • Digital sensor inputs for sensors with Memosens protocol • Analog current inputs (optional) •...

  • Page 151: Digital Inputs, Passive

    Liquiline CM442/CM444/CM448 Technical data Cable specification Cable type • Without sensor communication module 2DS Ex-i: Memosens data cable CYK10 or sensor fixed cable, each with cable end sleeves or M12 circular plug (optional) • With sensor communication module 2DS Ex-i: Memosens data cable CYK10 or sensor...

  • Page 152: Output

    Technical data Liquiline CM442/CM444/CM448 16.4 Output Output signal Depending on version: • 2 x 0/4 to 20 mA, active, galvanically isolated from one another and from the sensor circuits • 4 x 0/4 to 20 mA, active, galvanically isolated from one another and from the sensor circuits •...

  • Page 153: Digital Outputs, Passive

    Liquiline CM442/CM444/CM448 Technical data Ethernet/IP Signal encoding IEEE 802.3 (Ethernet) Data transmission rate 10/100 MBd Galvanic isolation Connection RJ45, optional M12 (D-coded) IP address DHCP (default) or configuration via menu PROFINET Signal encoding IEEE 802.3 (Ethernet) Data transmission rate 100 MBd...

  • Page 154: Current Outputs, Active

    Technical data Liquiline CM442/CM444/CM448 Test voltage 500 V Cable specification Max. 2.5 mm (14 AWG) 16.6 Current outputs, active Span 0 to 23 mA 2.4 to 23 mA for HART communication Signal characteristic Linear Electrical specification Output voltage Max. 24 V...

  • Page 155: Protocol-Specific Data

    Liquiline CM442/CM444/CM448 Technical data Extension modules Switching voltage Load (max.) Switching cycles (min.) 230 V AC, cosΦ = 0.8 to 1 0.1 A 700,000 0.5 A 450,000 120,000 115 V AC, cosΦ = 0.8 to 1 0.1 A 1,000,000 0.5 A...
  • Page 156 Technical data Liquiline CM442/CM444/CM448 Modbus RS485 Protocol RTU/ASCII Function codes 03, 04, 06, 08, 16, 23 Broadcast support for function codes 06, 16, 23 Output data 16 measured values (value, unit, status), 8 digital values (value, status) Input data 4 setpoints (value, unit, status), 8 digital values (value, status),...
  • Page 157 Liquiline CM442/CM444/CM448 Technical data PROFINET Protocol "Application layer protocol for decentral device periphery and distributed automation", PNIO Version 2.34 Communication type 100 MBit/s Conformance Class Conformance Class B Netload Class Netload Class II Baud rate Automatic 100 Mbps with full-duplex detection...

  • Page 158: Power Supply

    Technical data Liquiline CM442/CM444/CM448 Web server The web server enables full access to the device configuration, measured values, diagnostic messages, logbooks and service data via standard WiFi/WLAN/LAN/GSM or 3G routers with a user-defined IP address. TCP port Supported features • Remote-controlled device configuration(1 session) •...
  • Page 159 Liquiline CM442/CM444/CM448 Technical data Cable entries Cable entries for transmitters for the non-hazardous area Identification of the cable entry on housing base Suitable gland B, C, H, I, 1-8 M16x1.5 mm/NPT3/8"/G3/8 A, D, F, G M20x1.5 mm/NPT1/2"/G1/2 M12x1.5 mm ...

  • Page 160: 16.10 Performance Characteristics

    Technical data Liquiline CM442/CM444/CM448 Cable specification Cable gland Permitted cable diameter M16x1.5 mm 4 to 8 mm (0.16 to 0.32") M12x1.5 mm 2 to 5 mm (0.08 to 0.20") M20x1.5 mm 6 to 12 mm (0.24 to 0.48") NPT3/8" 4 to 8 mm (0.16 to 0.32") G3/8 4 to 8 mm (0.16 to 0.32")

  • Page 161: 16.11 Environment

    Liquiline CM442/CM444/CM448 Technical data 16.11 Environment Ambient temperature CM442 • –20 to 60 ˚C (0 to 140 ˚F) • -20 to 50 °C (0 to 120 °F) for the following devices: • CM442-BM • CM442-IE CM444 • Generally –20 to 55 ˚C (0 to 130 ˚F), with the exception of packages under the second point in the list •...
  • Page 162 Technical data Liquiline CM442/CM444/CM448 CM448 • Generally –20 to 55 ˚C (0 to 130 ˚F), with the exception of packages under the second point in the list • –20 to 50 ˚C (0 to 120 ˚F) for the following packages: •...

  • Page 163: 16.12 Mechanical Construction

    Liquiline CM442/CM444/CM448 Technical data Post or pipe mounting Frequency range 10 to 500 Hz (sinusoidal) Amplitude 10 to 57.5 Hz: 0.15 mm 57.5 to 500 Hz: Test duration 10 frequency cycles/ spatial axis, in 3 spatial axes (1 oct./ min)
  • Page 164 Technical data Liquiline CM442/CM444/CM448 Materials Housing base PC-FR Display cover PC-FR Display film and soft keys Housing seal EPDM Module side panels PC-FR Module housing 2DS Ex-i PC-PBT Module covers PBT GF30 FR Cable mounting rail PBT GF30 FR, stainless steel 1.4301 (AISI304) Clamps Stainless steel 1.4301 (AISI304)

  • Page 165: Installation And Operation In Hazardous Environment Class I Div

    Liquiline CM442/CM444/CM448 Installation and operation in hazardous environment Class I Div. 2 Installation and operation in hazardous environment Class I Div. 2 Non-sparking device for use in specified hazardous environment in accordance with: • Class I Div. 2 • Gas group A, B, C, D •...

  • Page 166: Index

    Index Liquiline CM442/CM444/CM448 Index Configuration Binary inputs ......80 Accessories Binary outputs ......81 Additional functionality .
  • Page 167 Liquiline CM442/CM444/CM448 Index Display settings ......50 Degassed conductivity ....102 Disposal .
  • Page 168 Index Liquiline CM442/CM444/CM448 Fuse ....... . . 158 Soft keys in measuring mode ....52 Overvoltage protection .
  • Page 170 *71576748* 71576748 www.addresses.endress.com...

This manual is also suitable for:

Liquiline cm444Liquiline cm448

Table of Contents

Save PDF