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Related Manuals for Endress+Hauser StamoSens CNM 750
Summary of Contents for Endress+Hauser StamoSens CNM 750
- Page 1 StamoSens CNM 750 / CNS 70 BA 215C/07/en/02.02 51502551 valid from: Software version 3.0 System for Online Nitrate Measurement Operating Instructions...
- Page 2 StamoSens CNM 750 / CNS 70 Endress+Hauser...
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Page 3: Table Of Contents
StamoSens CNM 750 / CNS 70 Table of contents Safety instructions Commissioning ........ -
Page 4: Safety Instructions
Safety instructions Designated use The StamoSens CNS 70 Sensor and the StamoSens CNM 750 Transmitter form an analytical system for the continuous measurement of nitrate content. The system is specifically designed to monitor the denitrification stage and discharge of a sewage treatment plant. -
Page 5: Return
Operating Instructions. Return If the measuring system has to be repaired, please send it cleaned to the Endress+Hauser sales centre responsible. Please use the original packaging, if possible. Please enclose the completed Dangerous Goods sheet (copy the second last page of these Operating instructions) with the packaging and also the shipping documents. -
Page 6: Identification
2 Identification StamoSens CNM 750 / CNS 70 Identification Device designation 2.1.1 CNM 750Transmitter nameplate Fig. 1: Example nameplate for CNM 750 Transmitter 2.1.2 CNS 70 Sensor nameplate Fig. 2: Example nameplate for CNS 70 sensor 2.1.3 Product structure StamoSens CNM 750Transmitter Power supply Power supply 80 ... -
Page 7: Scope Of Delivery
Scope of delivery The scope of delivery comprises: • 1 StamoSens CNM 750 Transmitter (device type and version according to nameplate → Chap. 2.1.1) • 1 StamoSens CNS 70 Sensor (sensor type and version according to nameplate →... -
Page 8: Installation
3 Installation StamoSens CNM 750 / CNS 70 Installation Quick installation guide Fig. 3: Entire StamoSens CNM 750 / CNS 70 measuring system : CNM 750 Transmitter : Weather protection cover : Compressor housing (only with cleaning unit) : Upright post... -
Page 9: Incoming Acceptance, Transport, Storage
Also, keep to the approved ambient conditions (see Technical Data → Chap. 10). • If you have any questions, please contact your supplier or your Endress+Hauser sales centre responsible (see back page of these Operating Instructions). Installation conditions 3.3.1... -
Page 10: Installation Instructions
3 Installation StamoSens CNM 750 / CNS 70 Fig. 5: CNS 70 Sensor dimensions and top view of the measuring area. Installation 3.4.1 Installation instructions Note! • Select a measuring point where representative measurement can be taken. Do not mount the sensor where medium flow is turbulent and fast-flowing. -
Page 11: Electrical Connection
StamoSens CNM 750 / CNS 70 4 Electrical connection Electrical connection Terminal assignment Fig. 6: Electrical connection for CNM 750 Transmitter with 80-250 V AC power supply Fig. 7: Electrical connection for CNM 750 Transmitter with 24 V DC/AC power supply Note! The two-channel version ("Duo-Version") is not available for the CNM 750 Transmitter. -
Page 12: Cleaning Unit
4 Electrical connection StamoSens CNM 750 / CNS 70 4.2.2 Signal outputs (switch contacts) Output Terminals Description Alarm 1 7 / 8 / 9 Switches when alarm value 1 is exceeded or undershot Alarm 2 4 / 5 / 6... -
Page 13: Serial Interface
StamoSens CNM 750 / CNS 70 4 Electrical connection Fuse CNM 750 230V AC / 50Hz 115V AC / 60Hz Fig. 8: Cleaning unit connection Serial interface Note! The serial interface is only available for service purposes. RS 232-0 of CNM 750 Transmitter... -
Page 14: Post-Connection Check
4 Electrical connection StamoSens CNM 750 / CNS 70 Post-connection check Carry out the following checks after electrical connection of the measuring system: Device status and specifications Note Is the measuring device or cable externally undamaged? Visual inspection Electrical connection... -
Page 15: Operation
StamoSens CNM 750 / CNS 70 5 Operation Operation Display and operating elements 5.1.1 Display Fig. 9: CNM 750 Transmitter’s operating panel : LED display (measured value display) : LC display (status display) : Operating keys : Indicator LEDs : Mains switch 5.1.2... -
Page 16: Local Operation
5 Operation StamoSens CNM 750 / CNS 70 Local operation 5.2.1 Main menu Access the main menu by holding down the key, until "MEASUREMENT" is displayed. The main menu options contain the following fields: Option LC display Info • Acquiring and displaying –... - Page 17 StamoSens CNM 750 / CNS 70 5 Operation 5.2.2 "MEASUREMENT" Menu Option Display Range of adjustment Info Factory settings (bold) • Acquiring and displaying – the sensor signal – the analog current MEASUREMENT – the sensor frequency • Setting the alarm value switches •...
- Page 18 5 Operation StamoSens CNM 750 / CNS 70 5.2.3 "PARAMETER ENTRY" Menu Note! Some settings that can be made in the "CONFIGURATION" menu affect the defaults in the "PARAMETER ENTRY" menu. In view of this, complete the "CONFIGURATION" menu first during initial start-up (s. Chap. 6.2).
- Page 19 StamoSens CNM 750 / CNS 70 5 Operation 5.2.4 "CALIBRATION POINTS" Menu Option Display Range of adjustment Info Factory settings (bold) CALIBRATION Defining the number of calibration points POINTS To access the sub-menu, enter the code "99". If the 0 ... 99...
- Page 20 5 Operation StamoSens CNM 750 / CNS 70 5.2.7 "CONFIGURATION" Menu Note! Some settings that can be made in this menu affect the defaults in the "PARAMETER ENTRY" menu. In view of this, complete the "CONFIGURATION" menu first during initial start-up (s.
- Page 21 StamoSens CNM 750 / CNS 70 5 Operation Option Display Range of adjustment Info Factory settings (bold) NC current Alarm value A NO current Setting the relay as NO or NC contact NC current Alarm B Alarm value B Changes to this setting will only be activated after...
- Page 22 5 Operation StamoSens CNM 750 / CNS 70 Option Display Range of adjustment Info Factory settings (bold) Error messages – Error messages and trouble-shooting s. Chap. 8.1 5.2.10 "SERVICE" Menu Option Display Range of adjustment Info Factory settings (bold) Manual measurement using a flash for service and test...
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Page 23: Commissioning
StamoSens CNM 750 / CNS 70 6 Commissioning Commissioning Function check Warning! Before switching the system on, ensure that the measuring point is not at risk. Uncontrolled pumps, valves or similar things can lead to devices being damaged. " Caution! •... - Page 24 6 Commissioning StamoSens CNM 750 / CNS 70 Display Hold down the keys simultaneously to activate the default setup for the selected sensor type. The default setup is compulsory for initial start- up, in order to use the correct default calibration.
- Page 25 StamoSens CNM 750 / CNS 70 6 Commissioning To carry out a one-point calibration of the measuring system, proceed as follows: Display Leave the sensor to rest in the medium for approx. 1 hour. Take a sample in the direct vicinity of the sensor and determine the nitrate content in the laboratory.
- Page 26 6 Commissioning StamoSens CNM 750 / CNS 70 Display Press the key to set the "99" code. Confirm with the Use the keys to set the previously noted sensor frequency value. Confirm with the Press the The one-point calibration is now completed.
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Page 27: Maintenance
StamoSens CNM 750 / CNS 70 7 Maintenance Maintenance The StamoSens CNM 750 / CNS 70 measuring system does not contain any wearing parts and generally requires little maintenance. However, you should still carry out the following maintenance work to ensure perfect functionality: •... -
Page 28: Calibration
7 Maintenance StamoSens CNM 750 / CNS 70 Cleaning agent Selecting the cleaning agent is dependent on the type of soiling. The most frequent soilings and their associated cleaning agents are listed in the following table: Type of soiling Cleaning agent... -
Page 29: Troubleshooting
StamoSens CNM 750 / CNS 70 8 Troubleshooting Troubleshooting This troubleshooting refers to both measures that • can be carried out without intervention in the device and • to device defects, which require components to be replaced. Error messages In this chapter you will find instructions for diagnosis and elimination of errors that occur. -
Page 30: Replacement Of Device Fuses
8 Troubleshooting StamoSens CNM 750 / CNS 70 Replacement of device fuses Warning! Disconnect the device from the mains before changing fuses. Only use the following fuses: – 80 ... 250 V AC connection: 5 x 20 mm, time-lag, 500 mA fine-wire fuse –... -
Page 31: Accessories
StamoSens CNM 750 / CNS 70 9 Accessories Accessories The following accessories for the StamoSens CNM 750 / CNS 70 measuring system can be ordered separately: Weather protection cover The CYY 101 weather protection cover is required for mounting the transmitter outdoors. - Page 32 9 Accessories StamoSens CNM 750 / CNS 70 Fig. 12: Sensor terminal housing Fig. 13: Pin assignment for plug and sensor terminal housing Cleaning unit 230 V cleaning unit Order No.: 51504764 115 V cleaning unit Order No.: 51504765 Fig. 14:...
- Page 33 StamoSens CNM 750 / CNS 70 9 Accessories Immersion tube 2 m immersion tube Order No.: 51502959 3 m immersion tube Order No.: 51502960 Immersion tube, special length Order No. 50066036 Pendulum frame Pendulum frame with 250 mm wall spacing Order No.: 51502962...
- Page 34 9 Accessories StamoSens CNM 750 / CNS 70 Flow cell Flow cell with reduction of the dead space volume Material: Stainless Steel SS 316Ti (AISI 316 Ti) / PVDF Order No.: 51509332 Flow cell without reduction of the dead space volume Material: Stainless Steel SS 316Ti (AISI 316 Ti) / PVDF Order No.: 51509333...
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Page 35: Technical Data
StamoSens CNM 750 / CNS 70 10 Technical data Technical data 10.1 CNM 750 Transmitter 10.1.1 Input Measured variable Nitrate; Nitric nitrogen Unit of measure mg/l; mg/l-N Measuring range 0.0 ... 270 mg/l NO ; 0.0 ... 60 mg/l NO Measuring frequency 0 ... -
Page 36: Cns 70 Sensor
10 Technical data StamoSens CNM 750 / CNS 70 10.1.5 Ambient conditions Ambient temperature -10 ... +55 °C 10.1.6 Mechanical construction Dimensions (H x W x D) 185 x 241 x 114.5 mm Weight approx. 1.6 kg Protection class IP 54 10.2... -
Page 37: Cleaning Unit (Optional)
StamoSens CNM 750 / CNS 70 10 Technical data 10.2.4 Mechanical construction Dimensions (L x diameter) 359 x Ø127 mm Weight approx. 5 kg Protection class IP 68 Optical measuring system UV flash lamp for multi-beam flash light Photo-receiver for measuring and reference light... -
Page 38: Appendix
11 Appendix StamoSens CNM 750 / CNS 70 Appendix 11.1 Operating matrix Endress+Hauser... - Page 39 StamoSens CNM 750 / CNS 70 11 Appendix Endress+Hauser...
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Page 40: Factory Settings Of Sensors
11 Appendix StamoSens CNM 750 / CNS 70 11.2 Factory settings of sensors Note! If you select the factory settings, all values you have entered so far are overwritten. Clear water sensors Parameter Factory setting depending on the selected sensor type... - Page 41 StamoSens CNM 750 / CNS 70 11 Appendix Activated sludge sensors Parameter Factory setting depending on the selected sensor type NOx AS 0-25 NOx AS 0-30 NOx AS 20-50 CONFIGURATION Unit of measure mg/l-N mg/l-N mg/l-N Correction factor Mean value...
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Page 42: Control For A Customer-Specific
11 Appendix StamoSens CNM 750 / CNS 70 11.3 Control for a customer-specific cleaning unit Version 1 Fig. 20: Control of a customer-specific cleaning unit Endress+Hauser... - Page 43 StamoSens CNM 750 / CNS 70 11 Appendix Version 2 Fig. 21: Control of a customer-specific cleaning unit Endress+Hauser...
- Page 44 StamoSens CNM 750 / CNS 70 Index Accessories....... . 31 Main menu .
- Page 45 StamoSens CNM 750 / CNS 70 Technical data ......35 Ambient conditions ..... . . 36 Input.
- Page 46 StamoSens CNM 750 / CNS 70 Endress+Hauser...
- Page 47 Declaration of contamination Dear customer, Because of legal determinations and for the safety of our employes and operating equipment we need this “Declaration of contamination” with your signature before your order can be handled. Please put the completely filled in declaration to the instrument and to the shipping documents in any case. Add also safety sheets and/or specific handling instructions if necessary.
- Page 48 Belorgsintez Philippines Canada Poland Minsk Endress+Hauser Philippines Inc. Endress+Hauser Ltd. Endress+Hauser Polska Sp. z o.o. Tel. (0172) 263166, Fax (0172) 263111 Metro Manila Burlington, Ontario Raszyn Tel. (2) 3723601-05, Fax (2) 4121944 Tel. (905) 6819292, Fax (905) 6819444 Belgium / Luxembourg Tel.
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