Safety instructions Designated use The StamoSens CSS 70 Sensor and the StamoSens CSM 750 Transmitter form an analytical system for continuous measurement of dissolved organic substance. The system is specifically designed to monitor the organic substance of the effluent streams in wastewater treatment plants.
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.
Scope of delivery The scope of delivery comprises: • 1 StamoSens CSM 750 Transmitter (device type and version according to nameplate → Chap. 2.1.1) • 1 StamoSens CSS 70 Sensor (sensor type and version according to nameplate →...
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...
3 Installation StamoSens CSM 750 / CSS 70 Fig. 5: CSS 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.
StamoSens CSM 750 / CSS 70 4 Electrical connection Electrical connection Terminal assignment Fig. 6: Electrical connection for CSM 750 Transmitter with 80-250 V AC power supply Fig. 7: Electrical connection for CSM 750 Transmitter with 24 V DC/AC power supply Note! The two-channel version ("Duo-Version") is not available for the CSM 750 Transmitter.
StamoSens CSM 750 / CSS 70 4 Electrical connection Fig. 8: Cleaning unit connection Serial interface Note! The serial interface is only available for service purposes. RS 232-0 of CSM 750 Transmitter COM 1 / 2 on PC Terminal SUB-D...
4 Electrical connection StamoSens CSM 750 / CSS 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...
5 Operation StamoSens CSM 750 / CSS 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 –...
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StamoSens CSM 750 / CSS 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 •...
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5 Operation StamoSens CSM 750 / CSS 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).
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StamoSens CSM 750 / CSS 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...
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5 Operation StamoSens CSM 750 / CSS 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.
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StamoSens CSM 750 / CSS 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...
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5 Operation StamoSens CSM 750 / CSS 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...
StamoSens CSM 750 / CSS 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! •...
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6 Commissioning StamoSens CSM 750 / CSS 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.
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StamoSens CSM 750 / CSS 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 organic substance in the laboratory.
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6 Commissioning StamoSens CSM 750 / CSS 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.
StamoSens CSM 750 / CSS 70 7 Maintenance Maintenance The StamoSens CSM 750 / CSS 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: •...
7 Maintenance StamoSens CSM 750 / CSS 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...
StamoSens CSM 750 / CSS 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.
8 Troubleshooting StamoSens CSM 750 / CSS 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 –...
StamoSens CSM 750 / CSS 70 9 Accessories Accessories The following accessories for the StamoSens CSM 750 / CSS 70 measuring system can be ordered separately: Weather protection cover The CYY 101 weather protection cover is required for mounting the transmitter outdoors.
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9 Accessories StamoSens CSM 750 / CSS 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:...
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StamoSens CSM 750 / CSS 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...
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9 Accessories StamoSens CSM 750 / CSS 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...
10 Technical data StamoSens CSM 750 / CSS 70 10.1.4 Performance characteristics Accuracy ±2% from end of measuring range Reproducibility 0.5% Measuring interval 0 ... 120 min Cleansing interval 0 ... 720 min 10.1.5 Ambient conditions Ambient temperature -10 ... +55 °C 10.1.6...
StamoSens CSM 750 / CSS 70 10 Technical data 10.2.3 Process conditions Medium temperature +2 ... + 40 °C Medium pressure max. 1 bar ≤ 0.5 g/l Solids content 10.2.4 Mechanical construction Dimensions (L x diameter) 359 x Ø127 mm Weight approx.
11 Appendix StamoSens CSM 750 / CSS 70 11.2 Factory settings of sensors Note! If you select the factory settings, all values you have entered so far are overwritten. Sensor type SAK 0-50. Parameter Factory setting depending on the selected sensor type...
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StamoSens CSM 750 / CSS 70 11 Appendix Sensor type SAK 0-700 Parameter Factory setting depending on the selected sensor type 1/m SAK mg/l DOC mg/l TOC mg/l BOD mg/l COD psvt hv Unit of measure 1/m SAK mg/l DOC mg/l TOC...
11 Appendix StamoSens CSM 750 / CSS 70 11.3 Control for a customer-specific cleaning unit Version 1 Fig. 20: Control of a customer-specific cleaning unit Endress+Hauser...
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StamoSens CSM 750 / CSS 70 11 Appendix Version 2 Fig. 21: Control of a customer-specific cleaning unit Endress+Hauser...
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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.
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