Endress+Hauser CM14 Operating Instructions Manual
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Endress+Hauser CM14 Operating Instructions Manual

Conductivity
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BA01030C/09/EN/02.19
71471370
2019-11-05
Valid as of version
2.01 (device version)
Products
Operating Instructions
CM14
Transmitter, conductivity
Solutions
Services

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Summary of Contents for Endress+Hauser CM14

  • Page 1 Products Solutions Services BA01030C/09/EN/02.19 71471370 2019-11-05 Valid as of version 2.01 (device version) Operating Instructions CM14 Transmitter, conductivity...

  • Page 3: Table Of Contents

    CM14 Table of contents Table of contents Safety instructions ....4 Calibration (Calibration Workplace safety ....4 menu) .

  • Page 4: Safety Instructions

    Conversions to the device Unauthorized modifications to the device are not permitted and can lead to unforeseeable dangers. ‣ If, despite this, modifications are required, consult with Endress+Hauser. Repair To ensure continued operational safety and reliability, ‣ Carry out repairs on the device only if they are expressly permitted.

  • Page 5: Designated Use

    CM14 Safety instructions Designated use The transmitter evaluates measured values of an analytical sensor and visualizes them on its multicolored display. Processes can be monitored and controlled with the unit' s outputs and limit relays. The device is equipped with a wide array of software functions for this purpose.
  • Page 6 Safety instructions CM14 NOTICE Causes (/consequences) Consequences of non-compliance (if applicable) ‣ Corrective action ‣ This symbol alerts you to situations which may result in damage to property. 1.7.2 Document symbols Allowed Indicates procedures, processes or actions that are allowed.

  • Page 7: Identification

    CM14 Identification Identification Device name 2.1.1 Nameplate Compare the nameplate with the following diagram: Liquiline -10°C (14°F) < Ta < 60°C (140°F) â 1 A0015221  1 Nameplate of the transmitter (example) Device name Device order code, serial number and ID number...

  • Page 8: Certificates And Approvals

    Identification CM14 Certificates and approvals 2.3.1 CE mark The product meets the requirements of the harmonized European standards. As such, it complies with the legal specifications of the EC directives. The manufacturer confirms successful testing of the product by affixing to it the CE-mark.

  • Page 9: Installation

    CM14 Installation Installation Incoming acceptance, transport, storage The permitted ambient and storage conditions must be observed. The precise specifications can be found in Section "Technical data" →  37. 3.1.1 Incoming acceptance On receipt of the goods, check the following points: •...

  • Page 10: Installation Procedure

    Installation CM14 Installation procedure The required panel cutout is 92 mm x 45 mm (3.62 in x 1.77 in). A0015216  2 Installation in the panel Screw the threaded rods (item 2) into the positions provided on the mounting frame (item 1).

  • Page 11: Wiring

    CM14 Wiring Wiring WARNING Danger from electrical voltage ‣ The entire connection of the electrical system must take place while the device is de- energized. Danger if protective ground is interrupted ‣ The protective ground connection must be established before any other connection is made.

  • Page 12: Connecting The Transmitter

    Wiring CM14 Connecting the transmitter A0015215  3 Connection diagram of the transmitter Terminal Description Terminal for Memosens cable, brown, sensor power supply U+ Terminal for Memosens cable, white, sensor power supply U- Terminal for Memosens cable, green, Com A...

  • Page 13: Post-Connection Check

    CM14 Wiring Post-connection check Device condition and specifications Notes Are the device or cables damaged? Visual inspection Electrical connection Notes Does the supply voltage match the specifications on the nameplate? 24 to 230 V AC/DC (–20 % / +10 %) 50/60 Hz...

  • Page 14: Operation

    Operation CM14 Operation The device' s simple operating concept enables you to perform commissioning for many applications without the need for hardcopy operating instructions. Display and device status indicator / LED A0015891  4 Device display Dot matrix section 7-segment display...

  • Page 15: Icons

    CM14 Operation • Open the Configuration menu • Confirm an entry • Select a parameter or submenu offered in the menu Within the Configuration menu: • Gradually scroll through the parameters / menu items / characters offered • Change the value of the selected parameter (increase or decrease)

  • Page 16: Operating Functions

    Operation CM14 Reject entry. If this symbol is selected, the entry is rejected and you quit editing mode. The previously set text remains. Jump one position to the left. If this symbol is selected, the cursor jumps one position to the left.

  • Page 17: Commissioning

    CM14 Commissioning Commissioning Post-installation check and switching on the device Make sure that all post-connection checks have been carried out before you commission your device: • Checklist for "post-installation check", →  10. • Checklist for "post-connection check" →  13.

  • Page 18: Configuration Of The Device

    Commissioning CM14 Press E to open the Extended Setup menu; System is displayed. Press E to open the System menu. Press + repeatedly until Access code is displayed. Press E to open the setting for access protection. Set the code: press the + and - buttons to set the desired code. The access code is a four- digit number.

  • Page 19: Extended Configuration

    CM14 Commissioning Parameters Possible settings Description Out 1 Numerical value Physical value which corresponds to the lower 0/4 mA 0.000 to 99 999 range limit of the analog output. 0.0 mS/cm When the configured value is undershot, the current output is set to the saturation current of 0/3.8 mA.
  • Page 20 Commissioning CM14 Parameters Possible settings Description Hold release 0 to 600 s Sets the time by which a device hold is extended after the hold condition is discontinued. Alarm delay 0 to 600 s Delay time for outputting an alarm. This...
  • Page 21 CM14 Commissioning Parameters Possible settings Description Ref. temp. 25 °C Reference temperature for calculating the linear temperature-compensated conductivity. For more information on alpha coefficients and the alpha reference temperature, refer to the "Temperature compensation" section, →  23. Process check...
  • Page 22 Commissioning CM14 Parameters Possible settings Description Hyst. Numerical value Configuration of the hysteresis. Not for the Error function. Delay time 0 to 60 s Configuration of the delay time until the relay switches. Not for the Error function. Factory default Resets the device settings to the factory default settings.
  • Page 23 CM14 Commissioning 1.40 1.20 1.00 0.80 a [mm] 0.20 0.39 0.59 0.79 0.98 a [inch] A0005441  5 Relationship between the installation factor (f) and the distance from wall (a) Electrically conductive pipe wall Electrically insulating pipe wall 6.5.3 Temperature compensation The conductivity of a liquid depends heavily on the temperature, as the mobility of the ions and the number of dissociated molecules are temperature-dependent.
  • Page 24 Commissioning CM14 Alkali (e.g. NaOH) Approx. 1.9 %/K Acids (e.g. HNO3) Approx. 1.3 %/K NaCl compensation NaCl compensation is activated using the setting Extended setup → Input → Temp. comp. = NaCl (IEC 746-3). In the case of NaCl compensation (as per IEC 60746), a fixed non-linear curve specifying the relationship between the temperature coefficient and temperature is saved in the device.
  • Page 25 CM14 Commissioning • UPW NaCl: optimized for pH-neutral impurities • UPW HCl: optimized for measuring the acid conductivity downstream of a cation exchanger. Also suitable for ammonia (NH ) and caustic soda (NaOH). 6.5.4 Configuration of the relays The device has two relays with limit values that are either switched off or can be allocated to the input signal.

  • Page 26: Device Diagnostics

    Commissioning CM14 EP-PW function: The following table lists the temperature-dependent limit values for "Purified Water" (PW) in accordance with EP; this table is also programmed into the transmitter. Temperature [°C] Conductivity [µS/cm] Temperature [°C] Conductivity [µS/cm] 10.2 The measurement is performed in the following steps: •...
  • Page 27 CM14 Commissioning Parameters Possible settings Description ENP version Read only. Displays the version of the electronic nameplate Module ID Read only. Displays the module ID Manufact. ID Read only. Displays the manufacturer ID Manufact. name Read only. Displays the manufacturer name...

  • Page 28: Calibration

    This is particularly important in the pharmaceutical industry, where traceability of the calibration to internationally recognized standards is mandatory. To calibrate its test equipment, Endress+Hauser uses the SRM (Special Reference Material) of the US government agency NIST (National Institute of Standards and Technology).

  • Page 29: Maintenance

    CM14 Maintenance Calibrating the cell constant In the cell constant calibration, always use a defined conductivity reference solution with raw conductance values that are specified at the various temperatures. The correct calibration always takes place without temperature compensation. Setting: In the menus, navigate to Extended Setup → Input → T.comp.cal: Select "off".

  • Page 30: Accessories

    Accessories CM14 Accessories Sensors Conductive conductivity sensors Condumax W CLS15D • Conductive conductivity sensor for pure water, ultrapure water and Ex applications • Order as per product structure, see Technical Information TI00109C/07/en Condumax H CLS16D • Hygienic, conductive conductivity sensor for pure water, ultrapure water and Ex applications •...

  • Page 31: Troubleshooting

    CM14 Troubleshooting Troubleshooting To help you troubleshoot, the following section is designed to provide an overview of possible causes of errors and initial remedial measures. 10.1 Troubleshooting instructions WARNING Danger! Electric voltage! ‣ Do not operate the device in an open condition for error diagnosis!
  • Page 32 Troubleshooting CM14 Examples: F 61 sensor elec. A0015896 M 915 USP warning A0015897 S 844 Process value A0015898 C 107 Calib. active A0015899 Diagnostic Message text Description code Sensor data invalid. Remedy: Sensor data • Update date of the transmitter •...
  • Page 33 CM14 Troubleshooting Diagnostic Message text Description code No sensor communication. Possible reasons: • No sensor connection • Faulty sensor connection • Short-circuit in the sensor cable • Short-circuit in the neighboring channel F100 Sensor comm. • Sensor firmware update canceled with an error Remedy: •...
  • Page 34 Troubleshooting CM14 Diagnostic Message text Description code F845 Device id Faulty hardware configuration Faulty parameter checksum Possible cause: F846 Param error Firmware update Remedy: Reset parameters to factory defaults F847 Couldn' t save param Parameters could not be saved F848...
  • Page 35 CM14 Troubleshooting Diagnostic Message text Description code Measured value outside the specified range. Possible reasons: • Sensor in air • Air cushion in the assembly • Incorrect sensor inflow S844 Process value • Sensor defective Remedy: • Increase process value •...

  • Page 36: Firmware History

    Troubleshooting CM14 10.3 Firmware history Revision history The firmware version (FW) on the nameplate and in the Operating Instructions indicates the device release: XX.YY.ZZ (example 01.02.01). Change to main version. No longer compatible. The device and Operating Instructions change. Change to functions and operation. Compatible. The Operating Instructions change.

  • Page 37: Return

    CM14 Technical data Item no. Description Order no. Housing front + foil, incl. keyboard CM14, without display XPM0004-DA CPU/Display board CM14 conductivity conductive XPM0004-CK CPU/Display board CM14 conductivity inductive XPM0004-CL Mainboard 24-230VDC/AC, CM14 XPM0004-NA Relay board + 2 limit relays...

  • Page 38: Output

    Technical data CM14 11.1.4 Cable specification Cable type Memosens data cable or fixed sensor cable, each with cable end sleeves Cable length Max. 100 m (330 ft) 11.2 Output 11.2.1 Output signal 2 x 0/4 to 20 mA active, potentially isolated from the sensor circuits and from each other 11.2.2...

  • Page 39: Relay Outputs

    CM14 Technical data 11.4 Relay outputs 11.4.1 Relay types 2 changeover contacts 11.4.2 Relay switching capacity Max. 3 A24 V DC Max. 3 A253 V AC Min. 100 mW (5 V / 10 mA) 11.4.3 Cable specification Cross-section Max. 2.5 mm² (14 AWG) 11.5...

  • Page 40: Performance Characteristics

    Technical data CM14 Connection Description Terminal for Memosens cable, brown, sensor power supply U+ Terminal for Memosens cable, white, sensor power supply U- Terminal for Memosens cable, green, Com A Terminal for Memosens cable, yellow, Com B Terminal for Memosens cable, shield...

  • Page 41: Mounting Conditions

    CM14 Technical data 11.6.3 Maximum measured error of inputs --> Documentation of the connected sensor 11.6.4 Resolution of current output > 13 bit 11.6.5 Repeatability --> Documentation of the connected sensor 11.7 Mounting conditions 11.7.1 Installation instructions Mounting location Panel, cutout 92 x 45 mm (3.62 x 1.77 in) Max.

  • Page 42: Mechanical Construction

    Technical data CM14 11.8.3 Operating height < 2 000 m (6 561 ft) above MSL 11.8.4 Electromagnetic compatibility Emitted interference and interference immunity to EN 61326-1:2006, Class A for industrial areas 11.8.5 Degree of protection Front Front IP65 / NEMA 4X...

  • Page 43: 11.10 Display And Operating Elements

    CM14 Technical data 11.9.2 Weight 0.3 kg (0.66 lbs) 11.9.3 Materials Housing, casing: Polycarbonate Front foil: Polyester, UV-resistant 11.9.4 Terminals Max. 2.5 mm² (22-14 AWG; tightening torque 0.4 Nm (3.5 lb in)) line, relay 11.10 Display and operating elements 11.10.1 Operating elements A0018699 ...

  • Page 44: 11.11 Certificates And Approvals

    Technical data CM14 11.11 Certificates and approvals 11.11.1  mark Declaration of Conformity The product fulfills the requirements of harmonized European standards. Thus it fulfills the legal requirements of the EC Directives. The manufacturer confirms successful testing of the device by affixing to it the  mark.

  • Page 45: Index

    CM14 Index Index Calibration Cell constant ....28 CE mark ......8 Device configuration Setup access protection .
  • Page 48 www.addresses.endress.com...

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