Summary of Contents for GHM-Martens GS125
- Page 1 English Operating manual Limit switch GS125 Ventures / brands of GHM www.ghm-messtechnik.de Keep for future reference.
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Page 2: Table Of Contents
GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de Table of contents Page Intended use (areas of application) ..............3 Safety signs and symbols ................ 3 Safety instructions ..................4 Product liability and warranty .............. -
Page 3: Intended Use (Areas Of Application)
GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de Intended use (areas of application) Refer to the chapter 'Product description' for detailed specifications for the area of application. The operational safety of the device is only assured when used as in- tended in accordance with the specifications in the operating manual. -
Page 4: Safety Instructions
GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de Safety instructions Read the product description before commissioning the device. Ensure that there are no limitations for use of the product for the relevant applications. The owner is responsible for ensuring the fault-free operation of the device. -
Page 5: Product Description
● info@martens-elektronik.de 2. Product description Limit switches of the series GS125 are used in switch cabinets for process monitoring or even for simple process regulation. Temperatures and derived signals such as volt- age, current and resistance can be used as control signals. In the process, 1 or 2 limit values can be monitored. -
Page 6: Functional Principle
GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de 2.2. Functional principle One or two relays may be switched depending on the measurement at the device input. Limit values can be adjusted with illuminated adjustment wheels. -
Page 7: Connection Diagram
GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de 2.3. Connection diagram Multisignal inputs True value output Input signals should be connected via separate 2 or 3 core cables. Grounded leads may cause problems with the not galvanical isolated analog true value output. -
Page 8: Limit Value Contacts
GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de 2.4. Limit value contacts... -
Page 9: Powerrail
GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de 2.5. PowerRail The supply of multiple devices can be combined and simplified via a bus system in the carrier rail (TS35). An equivalent version is available for the entire LP series of GHM carrier rail devices in 12.5mm wide housing. -
Page 10: Positioning Of The Adhesive Labels With Measuring Units
GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de 2.6. Positioning of the adhesive labels with measuring units 2.7. Type plate The type plate contains the most important identification data ●... -
Page 11: Assembly And Installation
GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de Assembly and installation 3.1. Mechanical assembly Fig. 4 Mounting rail assembly TS35, DIN EN 60715 Gapless installation of several devices is only permitted with horizontally installed mounting rails. -
Page 12: Controls And Functional Description
GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de Controls and functional description Adjustment wheel (Channel 1) illuminated red / green Adjustment wheel (Channel 2) illuminated red / green DIP-Switches Selection of the measuring range takes place with DIP switches 1-4: current / voltage, potentiometer, Pt100, thermocouple... - Page 13 GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de The switching behaviour of the relays can be determined with DIP switches 5 and 6: max max: The relay is activated when the input signal is equal or above the limit min min: The relay is activated when the input signal is equal or below the limt For applications with functional safety (SIL2), the device must be configured that the relay is deactivated in the event of an error!
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Page 14: Commissioning, Maintenance And Service
GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de Commissioning, maintenance and service 5.1 Commissioning 1. Ensure that the connections have been made as indicated in the connection di- agram and the supply voltage is correct. -
Page 15: Technical Data
GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de Technical data Wide-range power supply Supply Voltage : 20..125 V DC and 20..250V AC, (47..63Hz), max. 1.5W 24 V power supply Supply voltage : 24 V DC +/-15%, max. - Page 16 GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de Input signal Basic precision actual value output Temperature deviation *) 0/2..10V 0.2% 0.004%/K 0/4..20mA 0.2% 0.004%/K Potentiometer 1.0% 0.007%/K Pt100 -50..
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Page 17: Mechanical Design / Dimensions
GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de 24V mains adapter with analog output - 1-channel version SFF 91,7%; DC 75,9%; PFH 3,96E-08 /h; 1 year 2 years 5 years 1,74E-04... -
Page 18: Order Code
GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de Order code 1. Device version 125L Supply voltage 24V DC +/-15% 125LP Supply voltage 24V DC +/-15% with mounting rail bus connection *) 125M Wide-range power supply... -
Page 19: Return To Manufacturer
GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de Return to manufacturer The legal regulations for environmental protection and our personnel re- quire that devices which are sent back which have come into contact with liquid are handled without risk to people or the environment. -
Page 20: Certificate Of Conformity
GHM Messtechnik GmbH – Location Martens Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany Phone +49-40-670 73-0 ● Fax -288 www.ghm-messtechnik.de ● info@martens-elektronik.de Certificate of conformity V 01.00.03...
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