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Fluidcontrol
Mechanical Pressure Switch
MDS
Installation and Operation Instructions
Original instructions
BE130006
Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen
03/2019
Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20
E-Mail: fluidcontrol@buehler-technologies.com
Internet: www.buehler-technologies.com
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Table of Contents
Related Manuals for Bühler technologies MDS Series
Summary of Contents for Bühler technologies MDS Series
- Page 1 Fluidcontrol Mechanical Pressure Switch Installation and Operation Instructions Original instructions BE130006 Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen 03/2019 Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20 E-Mail: fluidcontrol@buehler-technologies.com Internet: www.buehler-technologies.com...
- Page 2 Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20 Internet: www.buehler-technologies.com E-Mail: fluidcontrol@buehler-technologies.com Read this instruction carefully prior to installation and/or use. Pay at- tention particularly to all advises and safety instructions to prevent in- juries.
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Page 3: Table Of Contents
Contents Introduction............................................. 2 Intended Use......................................... 2 Contents.......................................... 2 Ordering instructions ...................................... 2 1.3.1 Model key MDS...................................... 2 1.3.2 Model key MDSM and MDSK................................ 3 Safety instructions......................................... 4 Important advice ......................................... 4 General hazard warnings .................................... 4 Transport and storage ........................................ 6 4 Installation and connection ...................................... 7 Area of application...................................... -
Page 4: Introduction
1 Introduction 1.1 Intended Use The operating instructions apply to MDSxxx series mechanical pressure switches. The pressure switches are used to monitor the pressure in a fluid system under normal ambient conditions. As electromechan- ical signal converter they convert the pressure into electrical signals with high precision. They detect pressure ranges from 0.5 bar to max. -
Page 5: Model Key Mdsm And Mdsk
1.3.2 Model key MDSM and MDSK Pressure ranges Series Switching point setting MDSM MDSK Plug connection Pressure ranges M3 or M12 0.5...8 bar MDSM 1...16 bar MDSM Thread / connection 120: 10...120 bar MDSK G 1/4i G 1/4" internal (only MDSM) 250: MDSK 20...250 bar... -
Page 6: Safety Instructions
2 Safety instructions 2.1 Important advice Operation of the device is only valid if: – the product is used under the conditions described in the installation- and operation instruction, the intended application according to the type plate and the intended use. In case of unauthorized modifications done by the user Bühler Technolo- gies GmbH can not be held responsible for any damage, –... - Page 7 Maintenance, Repair Please note during maintenance and repairs: – Repairs to the unit must be performed by Bühler authorised personnel. – Only perform conversion-, maintenance or installation work described in these operating and installation instructions. – Always use genuine spare parts. Always observe the applicable safety and operating regulations in the respective country of use when performing any type of maintenance.
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Page 8: Transport And Storage
3 Transport and storage Only transport the product inside the original packaging or a suitable alternative. The equipment must be protected from moisture and heat when not in use. It must be stored in a covered, dry, dust-free room at room temperature. Bühler Technologies GmbH BE130006 ◦... -
Page 9: Installation And Connection
4 Installation and connection 4.1 Area of application WARNING All device models are solely intended for industrial applications. They are not safety com- ponents. The devices must not be used if failure or malfunction thereof jeopardises the safety and health of persons. Use in explosive areas is prohibited. -
Page 10: Operation And Control
5 Operation and control 5.1 Setting the switching point and hysteresis on model MDS The hysteresis is defined as the difference between the switching point and switch-back point. It is the result of mechanical fric- tion of the pressure sensor caused by flow forces and the spring. Hysteresis on membrane version MDS Switching point (bar) Hysteresis on piston version MDS... -
Page 11: Setting The Switching Point On Models Mdsm And Mdsk
5.2 Setting the switching point on models MDSM and MDSK With models MDSM and MDSK, the switch-back difference depends on the switching point setting. The diagrams illustrate the correlation. Model MDSM: Switching point (bar) Model MDSK: Setting the switching point: –... -
Page 12: Service And Repair
6 Service and repair This chapter contains information on troubleshooting and correction should an error occur during operation. Repairs to the unit must be performed by Bühler authorised personnel. Please contact our Service Department with any questions: Tel.: +49-(0)2102-498955 or your agent If the equipment is not functioning properly after correcting any malfunctions and switching on the power, it must be inspected by the manufacturer. -
Page 13: Disposal
7 Disposal Dispose of parts so as not to endanger the health or environment. Follow the laws in the country of use for disposing of elec- tronic components and devices during disposal. BE130006 ◦ 03/2019 Bühler Technologies GmbH... -
Page 14: Appendices
8 Appendices 8.1 Technical Data MDS Mediums Self-lubricating fluids hydraulic fluid and lubricating oils, compressed air Process connection G 1/8" G 1/4" Seal Based on DIN3852-E Torque 20 Nm 25 Nm Principle of Measurement Membrane Piston spring-loaded spring-loaded ≤ 16 bar ≥... -
Page 15: Technical Data Mdsm And Mdsk
8.2 Technical Data MDSM and MDSK MDSM MDSK Mediums Neutral fluids, compressed air Self-lubricating fluids such as hydraulic fluids and lubricating oils Process connection G1/4" internal G1/4" swivel, vertical flange, DIN ISO 16873, torque: 25 Nm Mounting position Principle of Measurement Spring-loaded membrane Spring-loaded piston max. -
Page 16: Dimensions Mds
8.3 Dimensions MDS M3 version M12 version 10 mm 12 mm Accessories: Item no.: 9144050047 Connecting cable M12x1, 4-pin plug, L=5m Item no. 9146100159 Electric line box M12x1, 90° angle 8.4 Dimensions MDSM and MDSK Dimensions MDSM M3 version M12 version Electric line box included Rigid internal thread Rigid internal thread... - Page 17 Dimensions MDSK M3 version with thread M3 version with vertical flange DIN ISO 16873 Electric line box External thread included swivel 92 mm M12 version with thread M12 version with vertical flange DIN ISO 16873 Swivel external thread Accessories: Item no.: 9144050047 Connecting cable M12x1, 4-pin plug, L=5m Item no.: 9146100159 Electric line box M12x1, 90°...
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Page 18: Attached Documents
9 Attached documents – Declaration of conformity: KX130022 – RMA - Decontamination Statement Bühler Technologies GmbH BE130006 ◦ 03/2019... - Page 20 RMA-Formular und Erklärung über Dekontaminierung RMA-Form and explanation for decontamination RMA-Nr./ RMA-No. Die RMA-Nummer bekommen Sie von Ihrem Ansprechpartner im Vertrieb oder Service./ You may obtain the RMA number from your sales or service representative. Zu diesem Rücksendeschein gehört eine Dekontaminierungserklärung. Die gesetzlichen Vorschriften schreiben vor, dass Sie uns diese Dekontaminierungserklärung ausgefüllt und unterschrieben zurücksenden müssen.
- Page 21 Dekontaminierungserklärung DE000011 Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen 01/2019 Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20 E-Mail: service@buehler-technologies.com Internet: www.buehler-technologies.com...