Related Manuals for Endress+Hauser Stamosens CNM750
Summary of Contents for Endress+Hauser Stamosens CNM750
- Page 1 Operating Instructions Stamosens CNM750/CNS70 Nitrate analysis system BA215C/07/en/07.04 51502551 Valid of: Software version 3.0...
- Page 2 Troubleshooting → Seite 32 Use the check list to find the causes for troubles with the measuring system. ▼ ▼ Index → Seite 40 You can find important index terms here. Use the index to find out information quickly. Endress+Hauser...
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Page 3: Table Of Contents
Stamosens CNM750/CNS70 Table of contents Safety instructions ....4 Technical data ....34 Designated use . -
Page 4: Safety Instructions
Safety instructions Stamosens CNM750/CNS70 Safety instructions Designated use Sensor CNS70 and transmitter CNM 750 form an analytical system for the continuous measurement of nitrate content. The system is specifically designed to monitor: • the denitrification stage • the discharge of a sewage treatment plant •... -
Page 5: Operational Safety
Stamosens CNM750/CNS70 Safety instructions Operational safety The analyser has been designed and tested according to the state of the art and left the factory in perfect functioning order. Relevant regulations and European standards have been met. As the user, you are responsible for complying with the following safety conditions: •... -
Page 6: Identification
Identification Stamosens CNM750/CNS70 Identification Device designation 2.1.1 Nameplate Please, check the order code from the nameplate with the product structure and with your order. Stamosens CNM750 order code / Best.Nr.: CNM 750-7A1A serial no. / Ser.-Nr.: 410065C3NI1 output 1 / Ausgang 1:... -
Page 7: Scope Of Delivery
Stamosens CNM750/CNS70 Identification Sensor Cleaning unit Without 230 V 115 V Special version acc. to customers specification Measuring range 0.2 ... 30 mg/l NO -N (activated sludge) 0.2 ... 60 mg/l NO -N (clear water) Special version acc. to customers specification... -
Page 8: Installation
Installation Stamosens CNM750/CNS70 Installation Measuring system overview A complete measuring system comprises: • a CNM750 transmitter • a CNS70 sensor • an immersion assembly with pendulum frame Optional: • Cleaning unit with compressor • Mounting post and weather protection cover... -
Page 9: Installation Conditions
Stamosens CNM750/CNS70 Installation • The packaging material used to store or to transport the product must provide shock protection and humidity protection. The original packaging offers the best protection. Also, keep to the approved ambient conditions (see "Technical data"). • If you have any questions, please contact your supplier or your sales centre responsible. - Page 10 Installation Stamosens CNM750/CNS70 3.3.2 Sensor holders " Caution! Do not install the sensor suspended from the cable. Use a wall bracket or an immersion assembly with pendulum frame for sensor mounting. 120 / 4.72 154 / 6.06 70 / 2.76 88 / 3.43...
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Page 11: Installation Instructions
Stamosens CNM750/CNS70 Installation 3.3.3 Weather protection cover and round post mount mm / inch 300 / 11.81 270 / 10.63 mm / inch 150 / 5.91 4 x Ø12 / 0.47 a0000928-en a0000929-en Fig. 9: Weather protection cover CYY 101 Fig. -
Page 12: Wiring
Wiring Stamosens CNM750/CNS70 Wiring Electrical connection Warning! • The electrical connection must only be carried out by a certified electrician. • Technical personnel must have read and understood the instructions in this manual and must adhere to them. • Ensure that there is no voltage at the power cable before beginning the connection work. -
Page 13: Inputs And Outputs
Stamosens CNM750/CNS70 Wiring Inputs and outputs 4.3.1 Control input (+24 V) Input Terminals Function 24 / 25 Hold function, i.e. measurement is interrupted and the current 24 V DC "INPUT" value in the display is frozen Note! Use U (+24 V, terminal 26) to control the 24 V DC "INPUT". Then connect terminal 27 (0 V) and terminal 24 (0 V). -
Page 14: Cleaning Unit
Wiring Stamosens CNM750/CNS70 Cleaning unit The cleaning unit is connected to the mains supply. The transmitter is connected to the cleaning unit according to the following table: Transmitter terminal Cleaning unit terminal Function 3 ()) Grounding for housing 1 (L) -
Page 15: Serial Interface
Stamosens CNM750/CNS70 Wiring Serial interface RS 232 of the transmitter COM 1/2 at PC Terminal SUB-D, 9-pin Function Function SUB-D, 9-pin Software protocol: 9600, N, 8, 1 Output format: ASCII Note! • You need a zero modem cable (not a crossed). -
Page 16: Operation
Operation Stamosens CNM750/CNS70 Operation Display and operating elements Me as. value 18.0 mg/l -N POWER M CE a0000948-en Fig. 14: Display and operating elements LED (measured value) LC display (status) Operating keys Indicator LEDs Mains switch Local operation The operating keys and the integrated indicator LEDs have the following functions:... - Page 17 Stamosens CNM750/CNS70 Operation 5.2.1 Main menu Access the main menu by holding down the key until “MEASURING” is displayed. For the main menu options and information about them, please see the following table. Selection Display Info • Acquiring and displaying: –...
- Page 18 Operation Stamosens CNM750/CNS70 5.2.2 MEASUREMENT Note! In the following table and in the tables in the next chapter, example images can be found for each option under "Display". In addition to the numerical values, the parameter is also displayed in some options.
- Page 19 Stamosens CNM750/CNS70 Operation 5.2.3 CONFIGURATION 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. Option Setting range Display Info (factory settings bold) To access the sub-menu, enter the code "99".
- Page 20 Operation Stamosens CNM750/CNS70 5.2.4 PARAMETER ENTRY Option Setting range Display Info (factory settings bold) Selectable concentration range within a calibration curve Measuring range 0.00 ... 60 mg/l Range start assigned as a linear function to the analog output. start 0.20 mg/l 0.20 mg/l-N...
- Page 21 Stamosens CNM750/CNS70 Operation 5.2.7 FREQUENCY Option Setting range Display Info (factory settings bold) To access the sub-menu, enter the code "99". 0 ... 99 Code No. Code number If the incorrect code is entered, the program exits to the MEASUREMENT main menu.
- Page 22 Operation Stamosens CNM750/CNS70 5.2.10 SERVICE Option Setting range Display Info (factory settings bold) Press to trigger the single measurement. The frequency measured is displayed on the LC display. The frequency displayed is meant as a function verification. It K: Single shot Single measurement can not be stored in the data memory.
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Page 23: Commissioning
Stamosens CNM750/CNS70 Commissioning Commissioning Function check Warning! • Check that all connections have been made correctly. Check, in particular, that all hose connections are secure, so that no leaks occur. • Ensure that the mains voltage corresponds to the voltage specified on the nameplate. - Page 24 Commissioning Stamosens CNM750/CNS70 Action Display Use the keys to select the configuration for alarm value A and confirm with Repeat the previous step for alarm value B. Alarm B normally open Select the configuration for the diagnostic alarms similar to the alarm value setting.
- Page 25 Stamosens CNM750/CNS70 Commissioning Action Display Press four times and confirm with FREQUENCY Press the key to set the "99" code and confirm with Code No. Press three times to set the previously noted sensor frequency value. Frequency 4836 Hz Press .
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Page 26: Maintenance
Maintenance Stamosens CNM750/CNS70 Maintenance The measuring system does not contain any wear parts and generally requires little maintenance. However, you should still carry out the following maintenance work to ensure perfect functionality: • Cleaning the sensor • Calibration • Checking cables and connections "... -
Page 27: Checking Cables And Connections
Stamosens CNM750/CNS70 Maintenance " Caution! Do not use halogenated organic solvents and no acetone. These solvents may destroy plastic components of the sensor and are suspected to cause cancer (e.g. chloroform). Checking cables and connections Check the cables and connections according to the following checklist: •... -
Page 28: Accessories
Accessories Stamosens CNM750/CNS70 Accessories mm / inch 300 / 11.81 270 / 10.63 mm / inch 150 / 5.91 4 x Ø12 / 0.47 a0000928-en a0000929-en Fig. 15: Weather protection cover CYY 101 Fig. 16: Round post mount CYY 102 ❑Weather protection cover CYY101,... - Page 29 Stamosens CNM750/CNS70 Accessories ❑Cleaning unit, 230 V; order no. 51504764 115 V; order no. 51504765 ID 6 / 0.24 mm / inch a0000947-en Fig. 17: Cleaning unit for sensor ❑Extension cable, cable length 10 m, with plug and coupling; order no. 51502953 ❑Plug,...
- Page 30 Accessories Stamosens CNM750/CNS70 ❑Flow assembly for drinking water application, with reduction of the dead volume, stainless steel 1.4571 (AISI 316 Ti) / PVDF; order no. 51509332 without reduction of the dead volume, stainless steel 1.4571 (AISI 316 Ti) / PVDF;...
- Page 31 Stamosens CNM750/CNS70 Accessories ❑Flow assembly, – with dead volume reduction and overpressure protection, order no. 51515803 – without dead volume reduction, with overpressure protection; order no.51515804 – PVDF, without dead volume reduction, with stop valves and overpressure protection, order no. 51515765 –...
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Page 32: Troubleshooting
Troubleshooting Stamosens CNM750/CNS70 Troubleshooting System error messages Error message Error Possible cause Measures frequency Incorrect sensor type - - - - Connected sensor does not correspond to the sensor selected in the • Replace sensor CONFIGURATION menu • Correct sensor type in the... -
Page 33: Disposal
Stamosens CNM750/CNS70 Troubleshooting Disposal The device contains electronic components and must therefore be disposed of in accordance with regulations on the disposal of electronic waste. Please observe local regulations. Endress+Hauser... -
Page 34: Technical Data
Technical data Stamosens CNM750/CNS70 Technical data 10.1 Input Measured variable -N [mg/l], NO [mg/l] Measuring range Clear water 0.2 ... 60 mg/l NO -N bzw. 0 ... 260 mg/l NO Activated sludge 0.2 ... 30 mg/l NO -N bzw. 0 ... 130 mg/l NO... -
Page 35: Mechanical Construction
Stamosens CNM750/CNS70 Technical data 10.7 Mechanical construction Design, dimensions see chapter "Installation" Transmitter approx. 1,6 kg (3.5 lb) Weight Sensor approx. 5 kg (11 lb) Sensor head Stainless steel 1.4571 (AISI 316 L) Materials Optical sensor windows Quartz glass Sensor housing Process connection Sensor head G 1½... -
Page 36: Appendix
Appendix Stamosens CNM750/CNS70 Appendix 11.1 Operating matrix a0001046-en Endress+Hauser... - Page 37 Stamosens CNM750/CNS70 Appendix nz cy cy Meas. Clean. Cleaning 1. Value interval interval period act. Analog Alarm Alarm Diagnostic n mean Date/Time output value alarm Nederlands Italiano Espanol Polski a0001047-en Endress+Hauser...
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Page 38: Control For A Customer-Specific Cleaning Unit
Appendix Stamosens CNM750/CNS70 11.2 Control for a customer-specific cleaning unit CNM 750 max. 250 V AC / 2 A max. 30 V DC / 1 A Terminal Cleaning Solenoid valve 230 V AC 230 V AC a0001048-en Fig. 23: Example 1... - Page 39 Stamosens CNM750/CNS70 Appendix a0001049-en Fig. 24: Example 2 Endress+Hauser...
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Page 40: Index
Stamosens CNM750/CNS70 Index Accessories........28 LANGUAGE . - Page 41 Stamosens CNM750/CNS70 Safety icons ........5 Scope of delivery .
- Page 42 Stamosens CNM750/CNS70 Endress+Hauser...
- Page 43 Declaration of contamination Dear customer, Because of legal determinations and for the safety of our employees and operating equipment, we need this "Declaration of contamination" with your signature before your order can be handled. Please, include the completely filled in declaration with the device and the shipping documents in any case.
- Page 44 www.endress.com/worldwide BA215C/07/en/07.04 Printed in Germany / FM+SGML 6.0 / DT 51502551...