Endress+Hauser Liquiline M CM42 Operating Instructions Manual
Two-wire transmitter for ph/orp measurement with memosens glass sensors
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- Technical information (32 pages) ,
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- Instruction (16 pages)
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Summary of Contents for Endress+Hauser Liquiline M CM42
- Page 1 Products Solutions Services CM42-MAA101EBE00 BA00382C/07/EN/16.16 Valid as of: Firmwareversion 02.02.00 Operating Instructions Liquiline M CM42 Two-wire transmitter for pH/ORP measurement with Memosens glass sensors Part 2...
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Page 3: Table Of Contents
Installation kits ....36 Weather protection ....36 Firmware update and upgrade ..36 Endress+Hauser... -
Page 4: Operation Via The Fieldbus
It is not possible to access all the tables and the calibration with DDs or DTMs. In addition, it is not possible to access the logbooks with a handheld terminal. A detailed description of the commands and features supported by the device is provided in SD01325C under "Document/Manuals/Software" and then "Special Documentation (SD)" on www.endress.com/cm42. Endress+Hauser... -
Page 5: Calibration And Adjustment
In many cases, this function is a simple linear of the form y = a + b The linear element "a" is usually equivalent to the zero point and the factor "b" is the slope of the line and is often known as the sensor slope. Endress+Hauser... - Page 6 If the limit values are exceeded, maintenance must be performed on the sensor at the very least. The sensor must be replaced if the insensitivity problems persist after maintenance has been carried out. Endress+Hauser...
- Page 7 As with the slope, you can also define and monitor limit values for the offset. If the limit values are exceeded, this means that maintenance must be performed on the sensor. a0013595 Fig. 3: Delta zeropnt. Zero point of the second-last calibration Zero point of the last calibration Delta zeropnt. Endress+Hauser...
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Page 8: Notes On The Calibration
Proceed as specified in Step 2 only if the value deviates from the set point. No calibration/adjustment is necessary if the value is within the defined deviation tolerance range (see the Technical Information for the sensor). 2. Calibrate and adjust the sensor. Endress+Hauser... - Page 9 Memosens sensors save all the calibration data. In this way it is easy to see whether the last calibration took place in the specified timeframe and is therefore still valid. This is particularly advantageous when working with precalibrated sensors. Endress+Hauser...
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Page 10: Types Of Calibration
2.6.2 With calibration buffers pH measurement You use calibration buffers to perform two-point calibration. The quality buffers supplied by Endress+Hauser are certified and measured in an accredited laboratory. The Endress+Hauser... -
Page 11: Single-Point Calibration
Single-point calibration is particularly useful if the deviation of the pH value from a reference value, and not the absolute pH value itself, is of interest to the user. Applications for single-point calibration include: • Process control • Quality assurance Endress+Hauser... -
Page 12: Temperature Adjustment
2.7.3 With ORP buffers (only measurement of the ORP) With this type of calibration, you work with calibration buffers, e.g. ORP buffers from Endress+Hauser. For this purpose, you remove the sensor from the medium and calibrate it in the laboratory. -
Page 13: Calibrate
• If calibration is aborted using ESC, or if the calibration is faulty, the system continues to use the original calibration data. • A calibration error is shown as plain text on the display. • Any offset set is automatically deleted after accepting the calibration. Endress+Hauser... -
Page 14: Diagnostics, Troubleshooting
3. In the event of implausible measured values, a malfunctioning local display or other errors, refer to "Process errors without messages" ( ä 15) or "Device-specific errors" ( ä 16). Follow the recommended measures. Depending on the device version Endress+Hauser... - Page 15 Incorrect temperature Sensor defective Replace sensor value Interference on signal output cable Check cable routing, route cable separately if necessary. Measured value fluctuations Interference potential in medium Eliminate source of interference or ground medium as close as possible to sensor. Endress+Hauser...
- Page 16 "Process-specific errors" section Test the measuring inputs Instead of connecting the sensor, connect the Memocheck Sim CYP03D simulator (accessories, ä 37). Check whether the value output by the simulator is also displayed by the CM42. Endress+Hauser...
- Page 17 M. • Use a DD (device description) for your PCS. You can download DDs and DTMs (Device Type Managers) for common PCSs (FieldCare, Pactware, ABB, AMS, PDM, FC475) from the Endress website. Endress+Hauser...
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Page 18: Diagnostic Information On Local Display
– Check the settings for the sensor type used. Wrong sensor type Invalid sensor data – Check glass electrode for breakage and hairline cracks Glass impedance alarm – Check medium temperature – Check electrode plug-in head for moisture and dry if necessary Endress+Hauser... - Page 19 Zero pnt. too high alarm Zero pnt. too high warning – Sensor old or defective Zero pnt. too low warning – Diaphragm blocked Zero pnt. too low alarm – Buffer solutions too old or contaminated Slope too low alarm Slope too low warning Endress+Hauser...
- Page 20 Glass imp. too high alarm – Check glass electrode for breakage and hairline cracks – Check medium temperature Sensor check system warning Ref. imp. too high alarm – Check reference electrode for contamination and damage – Clean reference electrode Endress+Hauser...
- Page 21 – Potential matching missing for symmetrical measurement Temperature out of range PV = primary value (main value) PV upper limit warning – Sensor in air – Air cushion in assembly PV lower limit warning – Check the measuring chain Endress+Hauser...
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Page 22: Diagnostic Information Via Fieldbus
All the diagnostics 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. Endress+Hauser... -
Page 23: Pending Diagnostic Messages
To ensure data are recorded in the logbooks, you must activate the function in the SETUP/General settings/Logbooks menu. Logbooks cannot be saved to external memories or transferred to other transmitters. The logbook entries are in chronological order. The most recent entry always appears at the top of the list. Endress+Hauser... -
Page 24: Simulation, Resetting The Measuring Device
Simulation, Resetting the measuring device 3.8.1 Simulation You can output a simulated current value at the current output for test purposes. The symbol for the simulation appears in the status bar of the display when the function is switched on: Endress+Hauser... - Page 25 Only select "Factory default" or "Customer factory default" if you do not need the modified settings with user-specific changes or have saved them beforehand. Path: DIAG / Service Function Display Info Device restart Options Restart the device and keep all the settings • Abort action • Device restart Factory setting Abort action Endress+Hauser...
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Page 26: Change Sensor
The sensor change automatically activates a hold. An error is not output at the control system. Depending on whether you assigned, or did not assign, a sensor name or sensor group in the "SETUP/General settings/Sensor check" menu, you also receive information on the sensor expected by the device. 2. Follow the instructions. Endress+Hauser... -
Page 27: Sensor Type Change
The sensor change automatically activates a hold. An error is not output at the control system. Depending on whether you assigned, or did not assign, a sensor name or sensor group in the "SETUP/General settings/Sensor check" menu, you also receive information on the sensor expected by the device. 2. Follow the instructions. Endress+Hauser... -
Page 28: Sensor Status
Calibration date, e.g. slope: value is within an acceptable range Calibration date, e.g. zero point: value is within an acceptable range Operating time: specified duration exceeded: error is displayed You can set warning and alarm limits in the "SETUP/Sensor pH/ORP/Sensor diagnostics" menu. Endress+Hauser... -
Page 29: Output State
• Specification Application limits for main value and temperature • Calibration Calibration data of the last calibration, e.g. calibration method, calibration values and serial number of the transmitter used for the calibration Endress+Hauser... -
Page 30: Firmware History
BA00382C/07/XX/08.08. • Monitoring functions • DAT functionalities: Upgrade, update, saving user settings by • Redesign of measuring menus • HART protocol 6 02/2008 10.04.05 Improvement BA00381C/07/XX/02.08 • 3.6 mA functionality BA00382C/07/XX/02.08 05/2007 10.04.05 Extension BA00381C/07/XX/05.07 • Memobase functions BA00382C/07/XX/05.07 Endress+Hauser... -
Page 31: Maintenance
Danger of damaging the housing surface or housing sealing. ‣ Never use concentrated mineral acids or bases for cleaning purposes. ‣ Never use organic cleaners such as acetone, benzyl alcohol, methanol, methylene chloride, xylene or concentrated glycerol cleaner. ‣ Never use high-pressure steam for cleaning purposes. Endress+Hauser... -
Page 32: Repair
Repair CM42-MAA101EBE00 Repair Spare parts a0010287 Fig. 6: Exploded view Please refer to the following table for item names and order numbers for spare parts. Endress+Hauser... - Page 33 Terminal set, 5 pcs. each for all modules, 7 types 51517498 graphic 10 set of cable clamps+screws 51517499 graphic • 10 EMC cable clamps D6 (0.24") • 10 EMC cable clamps D4 (0.16") • 10 cheese head screws M4x8 A2 Endress+Hauser...
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Page 34: Replacing Modules
3. Pull out the two removal aids on the module until the stop ( å 7). The module can now be easily removed from the DIN rail. 4. Slide the new module into the guides ( å 8, å 9, å 10). Endress+Hauser... -
Page 35: Return
The product must be returned if it is in need of repair or a factory calibration, or if the wrong product was ordered or delivered. Legal specifications require Endress+Hauser as an ISO-certified company, to follow certain procedures when handling products that are in contact with the medium. -
Page 36: Installation Kits
SystemDAT, for software update, language catalog extension CY42- Complete order code Data management Memobase Plus CYZ71D • Software for central data and sensor management • Windows XP, SP3 or Windows 7, SP1 (32 and 64-bit) or Windows 10 (32 and 64-bit) • www.endress.com/cyz71d Endress+Hauser... -
Page 37: Measured Value Simulation
• Gateway for the remote diagnostics and configuration of connected HART devices • Technical Information TI00051S Field Xpert SFX100 • Compact, flexible and robust industry handheld terminal for remote configuration and for obtaining measured values via the HART current output • Operating Instructions BA00060S Endress+Hauser... -
Page 38: Technical Data
3.6 to 21.5 mA (4.0 mA fixed for HART Multidrop mode) 7.2.3 Load Max. load with supply voltage of 24 V: 500 Max. load with supply voltage of 30 V: 750 7.2.4 Current output, passive Span 3.6 to 21.5 mA Endress+Hauser... -
Page 39: Protocol-Specific Data
CM42-MAA101EBE00 Technical data Signal characteristics Linear / table Cable specification Cable type: shielded cable, Ø 2.5 mm (14 AWG) Protocol-specific data Manufacturer name: Endress+Hauser Model name: Liquiline pHORP Manufacturer ID code: Device type code: 11A0 HART protocol revision: Device revision:... -
Page 40: Electrical Connection
NPT 1/2" 6 to 12 mm (0.24 to 0.47") G3/8 3 to 6 mm (0.12 to 0.24") G1/2 5 to 9 mm (0.20 to 0.35") G1/2 9 to 12 mm (0.35 to 0.47") Dummy plug M16 Dummy plug M20 Endress+Hauser... -
Page 41: Performance Characteristics
With digital data transmission, the measured value supplied by the sensor is relayed exactly at the sensor input. The accuracy depends solely on the connected sensor and the quality of the sensor adjustment. 7.5.5 Tolerance of current outputs Current outputs, additional 25 μA 7.5.6 Repeatability → Documentation of the connected sensor Endress+Hauser... -
Page 42: Environment
Foamed silicone, EPDM Module housing PC (polycarbonate) Soft keys, Cable mounting rail Stainless steel 1.4301 (AISI 304) Display panel PC-FR (polycarbonate, flame-retardant) Cable glands PA (polyamide) V0 as per UL94 Dummy plugs M16 and M20 PA (polyamide) V0 as per UL94 Endress+Hauser... -
Page 43: Index
Cable specification..... . 38 DIAG ........14 Endress+Hauser... - Page 44 CM42-MAA101EBE00 Measured variables ....38 Process errors ......15 Measuring range .
- Page 45 Weight ....... . . 42 Zero point....... . 5 Endress+Hauser...
- Page 46 Index CM42-MAA101EBE00 Endress+Hauser...
- Page 47 CM42-MAA101EBE00 Index Endress+Hauser...
- Page 48 www.addresses.endress.com...