Endress+Hauser Liquiline CM42B Brief Operating Instructions
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Endress+Hauser Liquiline CM42B Brief Operating Instructions

Endress+Hauser Liquiline CM42B Brief Operating Instructions

Two-wire transmitter device for din rail mounting measurement with digital memosens sensors
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KA01731C/07/EN/01.24-00
71688807
2024-10-01
Products
Brief Operating Instructions
Liquiline CM42B
Two-wire transmitter
Device for DIN rail mounting
Measurement with digital Memosens sensors
Solutions
Services

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Summary of Contents for Endress+Hauser Liquiline CM42B

  • Page 1 Products Solutions Services KA01731C/07/EN/01.24-00 71688807 2024-10-01 Brief Operating Instructions Liquiline CM42B Two-wire transmitter Device for DIN rail mounting Measurement with digital Memosens sensors...

  • Page 2: About This Document

    About this document Liquiline CM42B About this document Safety information 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 injury. Causes (/consequences) If necessary, Consequences of non- compliance (if applicable) ‣...
  • Page 3 Liquiline CM42B About this document Documentation In addition to these Brief Operating Instructions , the following manuals are available on the product pages on our website: • Operating Instructions, BA02381C • Device description • Commissioning • Operation • Device-specific diagnostics and troubleshooting •...

  • Page 4: Basic Safety Instructions

    Basic safety instructions Liquiline CM42B 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 5: Operational Safety

    Liquiline CM42B Basic safety instructions Electromagnetic compatibility • The product has been tested for electromagnetic compatibility in accordance with the applicable international standards for industrial applications. • The electromagnetic compatibility indicated applies only to a product that has been connected in accordance with these Operating Instructions.

  • Page 6: Product Description

    Product description Liquiline CM42B Product description Product design 3.1.1 Device A0054759 RJ50 socket for display cable Memosens input Current output 1: 4 to 20 mA/optional HART, passive Current output 2 (optional): 4 to 20 mA, passive Cable mounting rail Internal ground cable (wired at the factory) Connection for potential equalization or functional earth, connection established via cable lug 6.35 mm...

  • Page 7: Display (Optional)

    Liquiline CM42B Product description 3.1.2 Display (optional) A0054836  1 Display (optional) Display Navigator Soft keys, assignment depends on menu 3.1.3 Measuring parameters The transmitter is designed for digital Memosens sensors. The following measurement parameters are: • pH/ORP • Conductivity, measured conductively •...

  • Page 8: Incoming Acceptance And Product Identification

    • Input and output values • Safety information and warnings • Certificate information ‣ Compare the information on the nameplate with the order. 4.2.2 Identifying the product Manufacturer address Endress+Hauser Conducta GmbH+Co. KG Dieselstraße 24 70839 Gerlingen Germany Product page www.endress.com/CM42B Endress+Hauser...

  • Page 9: Scope Of Delivery

     A new window opens. Here you fill information pertaining to your device, including the product documentation. Scope of delivery The scope of delivery includes: • Liquiline CM42B • Brief Operating Instructions • Safety instructions for hazardous area (for Ex versions) ‣...

  • Page 10: Mounting Requirements

    Mounting Liquiline CM42B Mounting Mounting requirements 5.1.1 Dimensions 39.5 5.49 75.1 2.96 125 4.92 67.6 (2.66) 86 (3.39) A0055539  2 Dimensions of device in mm (inch) Endress+Hauser...
  • Page 11 Liquiline CM42B Mounting 148 (5.83) 52 (2.04) A0055931  3 Dimensions of display in mm (inch) 5.1.2 Pollution degree The device is designed for operation in a pollution degree 2 environment. ‣ Install the device in an appropriate housing. Endress+Hauser...

  • Page 12: Mounting The Device

    Mounting Liquiline CM42B Mounting the device 5.2.1 Mounting on DIN rail as per IEC 60715 A0053951 When delivered, the securing clips are locked to secure the DIN rail. Unlock the securing clips by pulling them downwards. Endress+Hauser...
  • Page 13 Liquiline CM42B Mounting A0053961 Attach the device from the top to the DIN rail (1) and secure it by pressing down (2). A0053962 Slide the securing clips upwards until they click, thereby securing the device to the DIN rail. Endress+Hauser...
  • Page 14 Mounting Liquiline CM42B NOTICE Condensation on the device Potential device failure ‣ The device complies with the IP20 degree of protection. It is designed only for environments with non-condensing moisture. ‣ Comply with the specified ambient conditions,e.g. by installing the device in an appropriate protective enclosure.
  • Page 15 Liquiline CM42B Mounting min. 50 (1.97) min. 20 (0.79) min. 2 (0. 8) A0057277  4 Minimum clearance in mm (in) Minimum clearances required: • Distance at the side, to other devices and control cabinet wall: at least 20 mm (0.79 inch) •...
  • Page 16 Mounting Liquiline CM42B 140 (5.51) 105 (4.13) 4 x min. Ø 8 (0.31) min. Ø 15 (0.59) A0025371  5 Mounting plate of external display, dimensions in mm (in) Retaining tab Production-related recesses, no function for the user Mounting the display on the door of the cabinet A0056920 Hold the mounting plate from the outside against the door of the control cabinet.
  • Page 17 Liquiline CM42B Mounting Make all the markings. Draw lines to interconnect all the marks.  The points of intersection of the lines mark the position of the 5 necessary boreholes. Endress+Hauser...
  • Page 18 Mounting Liquiline CM42B 4 x Ø 8 (0.31) Ø 20 (0.79)  6 Diameter of boreholes in mm (in) Drill the holes. →  5,  16 CAUTION Sharp-edged, non-deburred boreholes Risk of injury, display cable may get damaged! ‣...
  • Page 19 Liquiline CM42B Mounting A0056921 Place the mounting plate on the inside over the screws (1), slide it down (2) and tighten the screws (3). Endress+Hauser...
  • Page 20 Mounting Liquiline CM42B NOTICE Incorrect installation Damage and malfunctions possible. ‣ Lay cables in such a way that they do not get squashed e.g. when closing the cabinet door. Display A0054843 Connect the display cable to the RJ50 socket of the transmitter. The RJ50 socket is labeled Display.
  • Page 21 Liquiline CM42B Mounting A0054845  7 Mounted display Endress+Hauser...
  • Page 22 Mounting Liquiline CM42B 5.2.3 Mounting on panel (incl. display) A0054860  8 Mounting display and DIN rail Panel/mounting surface Display Borehole for display cable Boreholes for screws DIN rail Screws Display cable Mount the display on the panel as described in →  16. To do so, mount the DIN rail (5) on the back of the panel.

  • Page 23: Post-Mounting Check

    Liquiline CM42B Mounting A0056254  9 Layout of the display cable Route the display cable as shown in the illustration. A0054861 DIN rail Transmitter Secure the transmitter (2) to the DIN rail (1) as described in . Post-mounting check Following installation, check all devices (transmitter, display) for damage.

  • Page 24: Electrical Connection

    Electrical connection Liquiline CM42B Verify that all securing clips have been fully snapped into place and that the device is securely positioned on the DIN rail. Verify that the specified installation clearances have been observed. Ensure that the temperature limits are observed at the mounting location.

  • Page 25: Connecting The Device

    Installation in hazardous areas Installation in hazardous area Ex ia Ga 4 … 20 mA A0056648 Hazardous area version of Liquiline CM42B Control station 4 to 20 mA signal line/optional HART Ex ia active barrier Supply and signal circuit Ex ia (4 to 20 mA)
  • Page 26 Electrical connection Liquiline CM42B  10 Terminated cable Outer shield (exposed) Cable cores with ferrules Cable sheath (insulation) Route the cable in such a way that the exposed cable shield fits into one of the grounding clamps and the cable cores can be easily routed as far as the terminal plugs.
  • Page 27 Liquiline CM42B Electrical connection Connect cable cores as per the wiring diagram. 6.2.2 Cable terminals Press the screwdriver against the clip (opens the terminal). Insert the cable until the limit stop. Remove the screwdriver (closes the terminal). After connecting, check all the cable cores to ensure they are secure.
  • Page 28 Electrical connection Liquiline CM42B 6.2.3 Connecting the potential equalization ‣ A0055873 Attach the potential equalization connection to the earth or potential equalization system with a separate line. A 6.35 mm cable socket is used for connection 6.2.4 Connecting the power supply and signal circuit ‣...
  • Page 29 Liquiline CM42B Electrical connection 4...20 mA/ HART – A0054914  13 Wiring diagram: 1 current output 4...20 mA /(HART) 4...20 mA/(HART) + 4...20 mA + 4...20 mA A0054901  14 Connection of 2 current outputs via 1 cable Endress+Hauser...
  • Page 30 Electrical connection Liquiline CM42B 4...20 mA 4...20 mA 4...20 mA/(HART) 4...20 mA/(HART) A0054902  15 Connection of 2 current outputs via 2 cables 4...20 mA/ HART 4 ... 20 mA – – A0054915  16 Wiring diagram: 2 current outputs 6.2.5...

  • Page 31: Ensuring The Degree Of Protection

    Liquiline CM42B Electrical connection Connecting sensors with Memosens plug-in head (via Memosens cable) and sensors with a fixed cable and Memosens protocol ‣ Sensor Sensor A0055579  17 Connecting Memosens sensors Connect the sensor cable as shown in the illustration.

  • Page 32: Post-Connection Check

    Operation options Liquiline CM42B Post-connection check WARNING Connection errors The safety of people and of the measuring point is under threat. The manufacturer does not accept any responsibility for errors that result from failure to comply with the instructions in this manual.

  • Page 33: Operating Elements

    Liquiline CM42B Operation options 7.2.2 Operating elements EH_CM42B_0123456789 14:00:20 2024-08-20 C 1: pH 7.00 Current Output 1 12.0 MENU DIAG A0056333  18 Operating elements Display Navigator Soft keys Endress+Hauser...
  • Page 34 Operation options Liquiline CM42B 7.2.3 Structure of the display EH_CM42B_0123456789 14:00:20 2024-08-20 C 1: pH 7.00 Current Output 1 12.0 MENU DIAG A0056328  19 Structure of the display: Start screen (device with one current output) Device name or menu path...
  • Page 35 Liquiline CM42B Operation options 7.2.4 Navigating through the display Measured values EH_CM42B_0123456789 EH_CM42B_0123456789 14:00:20 2024-08-20 14:00:20 2024-08-20 C 1: pH C 1: pH 7.00 7.00 Current Output 1 Current Output 1 12.0 12.0 MENU DIAG EH_CM42B_0123456789 EH_CM42B_0123456789 14:00:20 2024-08-20 14:00:20...

  • Page 36: Current Output

    Operation options Liquiline CM42B Press the navigator.  The display shows the primary value. Press the navigator.  The display shows the primary value and temperature. Press the navigator.  The display shows the primary value, temperature and secondary measured values.
  • Page 37 Liquiline CM42B Operation options Press the navigator.  The display shows the primary value and current outputs. 7.2.5 Operation concept menus EH_CM42B_0123456789 14:00:20 2024-08-20 Language English C 1: pH ► Guidance 7.00 ► Diagnostics ► Application Current Output 1 ► System 12.0...

  • Page 38: Access To The Operating Menu Via The Operating Tool

    Operation options Liquiline CM42B The options available in the menu depend on the specific user authorization. Press the soft key.  The menu is called up. Turn the navigator.  The menu item is selected. Press the navigator.  The function is called up.
  • Page 39 Liquiline CM42B Operation options A0029747 Launch the SmartBlue app on the mobile device.  The live list displays all of the devices that are within range. Tap the device to select it. Log in with username and password. Initial access data: •...

  • Page 40: System Integration

    System integration Liquiline CM42B System integration Integrating the measuring instrument into the system Interfaces for measured value transmission (depending on order): • 4 to 20 mA current output (passive) • HART 8.1.1 Current output Depending on the order, the device has 1 or 2 current outputs.
  • Page 41 Liquiline CM42B System integration A0056314  23 Wiring options for remote operation via HART protocol PLC (programmable logic controller) HART operating device (e.g. SFX350), optional Transmitter The device can communicate via the HART protocol using current output 1 (depending on order).
  • Page 42 Commissioning Liquiline CM42B Commissioning Preliminaries ‣ Connect the device.  The device starts and displays the measured value. Bluetooth® must be enabled on the mobile device for operation via the SmartBlue app. Post-installation and function check WARNING Incorrect connection, incorrect supply voltage Safety risks for staff and device malfunctions! ‣...

  • Page 43: Maintenance

    Liquiline CM42B Maintenance Time and date ‣ Configure the time and date under the following path: Menu/System/Date and Time When using the Smartblue app, the date and time can also be automatically transferred from the mobile device. Configuring the operating language ‣...

  • Page 44: Technical Data

    Technical data Liquiline CM42B Connect the cables. Dispose of batteries correctly ‣ Always dispose of batteries in accordance with local regulations on battery disposal. Technical data Voltage input Nom. 24 V DC Min. 17 V DC Max. 30V DC Current 4 –...
  • Page 48 *71688807* 71688807 www.addresses.endress.com...

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