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Summary of Contents for GHM Martens TV125L
- Page 1 Operating Manual Universal isolating amplifier TV125L Save for later reference!
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Page 3: Table Of Contents
Universal isolating amplifier TV125L Table of contents Intended use (areas of application) ......................... 1 Safety signs and symbols ........................... 1 Safety instructions .............................. 2 Product liability and warranty ..........................2 Standards and directives ............................ 2 Product description ............................3 Scope of Delivery ..............................3 Principle of operation ............................ -
Page 5: Intended Use (Areas Of Application)
Universal isolating amplifier TV125L Intended use (areas of application) Refer to the chapter 2 Product description for detailed specifications for the area of application. The operational safety of the device is only assured when used as intended in accordance with the specifications in the operating manual. -
Page 6: Safety Instructions
This document is subject to technical changes. In addition, all claims are based on the valid 'Standard Terms for the Supply of Products and Services of the Electrical Industry' GHM Messtechnik cannot inspect or repair any devices without the required form having been filled in completely (see 10 Returns). -
Page 7: Product Description
Universal isolating amplifier TV125L Product description Isolating amplifiers of the series TV125L are suitable for potential isolation or for conversion of unit signals. The universal configuration of the inputs and the output limit the number of types to one version. The input measuring ranges can be switched between 0 …... -
Page 8: Block Circuit Diagram
Universal isolating amplifier TV125L Block circuit diagram Figure 2 Block circuit diagram Type Label The type plate contains the most important identification data: Connection diagram Manufacturer Type and article description Technical specifications Serial number / barcode Figure 3 Type Plate 4 / 16 BA_MA_TV125L_EN_V1.04... -
Page 9: Power Rail
The supply of multiple devices can be combined and simplified via a bus system in the carrier rail (TS35). A corresponding version is available for the entire LP series of GHM carrier rail devices in a housing with 12.5 mm width. -
Page 10: Assembly And Installation
Universal isolating amplifier TV125L Assembly and installation Mechanical assembly Figure 6 rail mounting TS35, DIN EN 60715 The installation of multiple devices without spacing is only permitted with a horizontally mounted DIN rail. Electrical Installation The device may only be installed by a qualified electrician. The national and international regulations for the installation of electrical systems of the respective operator country apply. -
Page 11: Connection Diagram
Universal isolating amplifier TV125L Connection Diagram Auxiliary voltage: 18…30 V DC Current output: 0/4…20 mA Status-LED Current input: 0/4…20 mA Voltage input: 0/2…10 V Figure 7 Connection Diagram Operating steps, functional description, output Control elements, functional description Status LED Message Green LED illuminates Operating voltage applied Red and green LED... -
Page 12: Output Configuration
Universal isolating amplifier TV125L Output Configuration Behaviour of the current output when the range is undercut and exceeded: Ausgang Aussteuerungsbereich Untersteuerung Übersteuerung 0…20 mA 0…20,5 mA linear 0 mA 22 mA 4…20 mA 3,8…20,5 mA linear 3,6 mA 22 mA Table 5 Control range Commissioning, Maintenance and Service Installation... -
Page 13: Error And System Messages
Universal isolating amplifier TV125L Error and System Messages Error Cause Remedy Status LED not illuminated Plug-in terminal strip of the Check the plug-in terminal strip auxiliary voltage input not for firm seating plugged in Auxiliary voltage < 18 V Test auxiliary voltage at Terminal 11 and 12 Electronics defect Failure of the unit,... -
Page 14: Technical Data
Universal isolating amplifier TV125L Technical Data Auxiliary energy 18…30 V DC Auxiliary voltage Power consumption < 0.5 VA Conformity , Directive 2014/30/EU EN 61326-1:2013, group 1, class B Standards EN 61010-1:2010+A1:2019+A1:2019/AC:2019 EN 61010-2-030:2010 Rated voltage 300 V AC/DC according to EN 61010-1 with Overvoltage Category 2 and Degree of Contamination 2 between all circuits. -
Page 15: Mechanical Design / Dimensions
Universal isolating amplifier TV125L Mechanical design / dimensions Figure 9 Dimensions Accessories and replacement Ordering code Description PRVK Power Rail, power connecting terminal Side of installation: left Order Code Device type TV125L Auxiliary voltage via terminal pins 11, 12 TV125LP Auxiliary voltage via Power Rail Measuring range 0/4…20 mA and 0/2…10 V... -
Page 16: Device Transport And Storage
If you send a device back to us for inspection or repair, we must request that you strictly observe the Danger following requirements: On the GHM homepage under info 'desk/forms' a return shipment form can be downloaded. The repair can be performed quickly and without call-back questions if: a filled-in form is provided for each device, the device has been cleaned and packaging which prevents damage to the device is used. -
Page 17: Service
GHM GROUP - Martens Kibitzhörn 18 Service Centre 22885 Barsbüttel | GERMANY Tel: +49 40 67073-143 service.martens@ghm-messtechnik.de Fill in the return form available from the information base online at www.ghm-group.de and sent it in with the product. 13 / 16 BA_MA_TV125L_EN_V1.04... -
Page 18: Certificate Of Conformity
Universal isolating amplifier TV125L Certificate of Conformity 14 / 16 BA_MA_TV125L_EN_V1.04... - Page 19 Universal isolating amplifier TV125L Notes 15 / 16 BA_MA_TV125L_EN_V1.04...
- Page 20 Universal isolating amplifier TV125L Notes 16 / 16 BA_MA_TV125L_EN_V1.04...
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