GHM-Martens 125L Operating Manual Download

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GHM Messtechnik GmbH – Martens

Kiebitzhörn 18 ● 22885 Barsbüttel ● Germany
Phone +49-40-670 73-0 ● Fax -288
www.ghm-messtechnik.de ● info@martens-elektronik.de

Order code

UT125

Device version

125L

Supply voltage 24V DC +/15%

125LP

Supply voltage 24V DC +/-15% with
Carrier rail bus connection *)

125M

Wide-range power supply
20..125VDC / 20..253V AC

Options

No options

Push-in terminals (plug-in)

*) Supply including matching bus adapter piece, see chapter 'PowerRail'

Device transport and storage

Gentle and tension-free packaging of the housing must be ensured for transport
(no machine wrapping of the package).

The device must be stored in the environmental conditions specified in the
technical data.

Summary of Contents for 125L

Page 1: ...Operating manual Universal transmitter UT125 Save for later reference www ghm messtechnik de Companies brands of GHM English ...

Page 2: ...2 Product description 5 2 1 Scope of delivery 5 2 2 Functional principle 6 2 3 Connection diagram 6 2 4 PowerRail 7 2 5 Type plate 8 3 Assembly and installation 9 3 1 Mechanical assembly 9 3 2 Electrical installation 9 4 Controls and functional description 10 5 Commissioning maintenance and service 11 5 1 Commissioning 11 5 2 Maintenance 11 5 3 Service 11 6 Technical data 12 6 1 Mechanical design ...

Page 3: ...hen used improperly or not as intended The device is not intended for use in explosion prone areas and safety related system parts in accordance with SIL General safety instructions use This operating manual must be kept in a location such that qualified personnel can refer to it at all times Any processes described in this operating manual may only be carried out by trained qualified personnel wh...

Page 4: ...to ensure conformity with the described device However deviations cannot be entirely ruled out Therefore we cannot assume any guarantee for complete conformity The specifications in this document are checked regularly and any necessary corrections are incorporated into subsequent versions This document is subject to technical changes In addition all claims are based on the valid Standard Terms for...

Page 5: ...tures and potentiometer into a current signal of 4 20 mA The universal configurability of the measuring inputs reduces the stock requirement for various applications The measuring inputs and analog output are not galvanically isolated The housing width of only 12 5 mm enables space saving installation in the switch cabinet 2 1 Scope of delivery UT125 this operating manual further documents if appl...

Page 6: ...tion takes place via DIP switch The power supply can be provided via an internal wide range power supply 20 125 V DC 20 253V AC or via a DC voltage power supply with 24 V DC With the DC voltage power supply the power supply can be done via the plug in device terminals or via a carrier rail bus PowerRail on the device depending on the device type 2 3 Connection diagram Input signals should be conne...

Page 7: ...alent version is available for the entire LP series of GHM carrier rail devices in 12 5mm wide housing Before mounting the device to be supplied a series compatible bus adapter must be connected on the carrier rail For this purpose an adapter piece is required for each device The supply of the bus then takes place via a plug in terminal strip In the device version UT125LP provided for this purpose...

Page 8: ...arsbüttel Germany Phone 49 40 670 73 0 Fax 288 www ghm messtechnik de info martens elektronik de 8 2 5 Type plate The type plate includes the most important identification data Type and article name Technical data Serial number bar code Fig 3 Type plate ...

Page 9: ...r rails 3 2 Electrical installation The device may only be installed by an electrician The national and international regulations for connection of electrical systems in the respective user country apply Power supply in accordance with DIN EN 60664 1 SELV PELV Observe the connection diagram for installation of the inputs and outputs The supply voltage is connected to pins 11 and 12 of the plug in ...

Page 10: ...tiometer Pt100 thermocouple The black fields symbolize the position of the DIP switches When voltage and current are injected simultaneously the result is an addition of the input related signals The respective limit values can be adjusted with wheels A1 and A2 The illuminated scales serve as an operating indicator When a limit value relay is not active the adjustment wheel scale illuminates green...

Page 11: ... scale lighting blinks red The analog output drops to approx 0mA 5 Commissioning maintenance and service 5 1 Commissioning 1 Ensure that the connection assignment takes place according to the connection diagram and matches the supply voltage 2 Ensure that the terminals are firmly screwed in 3 After switching on the power check to ensure the correct device function 5 2 Maintenance Housing No cleani...

Page 12: ...rent approx 1 6 mA Thermocouple linearized with reference junction compensation optional without internal compensation Resistance Potentiometer 3 wire rated value 500 Ω 20 kΩ internal reference voltage approx 1 5 V Analog output 4 20 mA max burden 400 Ω burden failure at 400 Ω max 0 2 No galvanic isolation from the input signal Input signal Basic precision analog output Temperature deviation 0 2 1...

Page 13: ...08 mm Material PA6 6 light grey flammability class V0 UL94 Weight 120 g Protection rating IP20 Screw terminals 0 2 2 5 mm AWG 24 14 removable coded Push in terminals 0 5 1 5 mm AWG 25 16 double connection spring terminals 12A between the connections removable coded Power rail 8A over the entire bus system Supply via removable terminals 0 2 2 5 mm AWG 24 14 6 1 Mechanical design dimensions ...

Page 14: ...4V DC 15 with Carrier rail bus connection 125M Wide range power supply 20 125VDC 20 253V AC 2 Options 00 No options 01 Push in terminals plug in Supply including matching bus adapter piece see chapter PowerRail 8 Device transport and storage Gentle and tension free packaging of the housing must be ensured for transport no machine wrapping of the package The device must be stored in the environment...

Page 15: ... safety data sheet for the measuring medium is affixed to the outside of the package if the device has come into contact with a critical substance 10 Disposal Separation by material and recycling of device components and packaging must take place when the device is disposed of The valid legal regulations and directives applicable at the time must be observed The device may not be disposed of with ...

Page 16: ...GHM Messtechnik GmbH Martens Kiebitzhörn 18 22885 Barsbüttel Germany Phone 49 40 670 73 0 Fax 288 www ghm messtechnik de info martens elektronik de 16 12 Certificate of Conformity V 01 00 02 ...

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