GHM Martens TB225 Operating Manual
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GHM Martens TB225 Operating Manual

Temperature limiter/temperature monitor
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English
Company / brands of GHM
Operating manual
Temperature limiter/
Temperature monitor
TB225
Approved in accordance with:
DIN EN 14597 (replacing DIN 3440)
SIL 2 (optional)
www.ghm-group.de
Translation of the original German version. In questions of
technical incorrectness or wrong translations, please refer to
the german version.
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Summary of Contents for GHM Martens TB225

  • Page 1 Approved in accordance with: DIN EN 14597 (replacing DIN 3440) SIL 2 (optional) Option: Company / brands of GHM www.ghm-group.de Translation of the original German version. In questions of technical incorrectness or wrong translations, please refer to the german version.

  • Page 2: Table Of Contents

    GHM Group – Martens GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | Germany info@ghm-group.de Phone +49-40-670 73-0 www.ghm-group.de Intended use (areas of application)............................. 3 Safety signs and symbols ..............................3 Safety instructions ................................4 Product liability and warranty ............................. 4 Standards and directives ..............................

  • Page 3: Intended Use (Areas Of Application)

    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. Intervention beyond the actions described in the operating manual may only be carried out by personnel authorized by the manufacturer for safety and warranty reasons.

  • Page 4: Safety Instructions

    GHM Group – Martens GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | Germany info@ghm-group.de Phone +49-40-670 73-0 www.ghm-group.de 1.2 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.

  • Page 5: Product Description

    Product description The present processor-controlled, independently installed electronic regulating and control device for control panel assembly is designed for the monitoring of thermal processes and the safe control thereof in the event of an error. The de- vice has universal inputs to which double thermocouples, PT100 sensors and unit signals (0/4 …...

  • Page 6: Layout Of The Measuring System

    GHM Group – Martens GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | Germany info@ghm-group.de Phone +49-40-670 73-0 www.ghm-group.de 2.3 Layout of the measuring system Terminals for auxiliary voltage and switch outputs Type plate Connection for analogue output and ext. button Connection for temperature sensor Fig.

  • Page 7: Assembly And Installation

    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 Assembly and installation 3.1 Mechanical assembly Fig. 4 Carrier rail mounting TS35, DIN EN 60715 The mounting of multiple devices without spaces is only permitted on horizontally mounted carrier rails.

  • Page 8: Electrical Installation

    GHM Group – Martens GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | Germany info@ghm-group.de Phone +49-40-670 73-0 www.ghm-group.de 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 re- spective user country apply.

  • Page 9: Connection Diagram

    3.3 Connection diagram Fig. 5: Connection...

  • Page 10: Controls And Functional Description

    GHM Group – Martens GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | Germany info@ghm-group.de Phone +49-40-670 73-0 www.ghm-group.de Controls and functional description The parameterisation of the temperature limiter / temperature monitor TB225 takes place via the 3 capacitive buttons on the front side of the device.
  • Page 11 Press the centre button for 2 seconds in the operating level in order to reach the main menu. All the parameters that determine the characteristics of the device are programmed here. Selection takes place with the arrow keys, wherein the currently selected menu item has a black background.

  • Page 12: Menu Structure And Parameter Overview

    GHM Group – Martens GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | Germany info@ghm-group.de Phone +49-40-670 73-0 www.ghm-group.de 4.2 Menu structure and parameter overview The device operation is menu-based. The individual menus are explained in greater detail in the following sections.

  • Page 13: Display Menu

    4.3 Display menu The Display menu is divided into the following parameters: Display - Back Unit back Contrast Unit Language Contrast Lighting Language Decimal place Backlight Dec.point Fig. 10: Display menu Display menu – Unit parameter 4.3.1 The temperature unit (°C or °F) is specified with the Unit parameter. Unit °...
  • Page 14 GHM Group – Martens GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | Germany info@ghm-group.de Phone +49-40-670 73-0 www.ghm-group.de Display menu – Contrast parameter 4.3.2 The Contrast parameter specifies the contrast setting of the display with a per- centage between 0 and 100%.
  • Page 15 Display menu – Lighting parameter 4.3.4 The display lighting is set with the Lighting parameter. Auto: The display lighting is automatically deac- Backlight tivated after 2 min. if the device is not oper- ated. auto The display lighting is permanently acti- vated.

  • Page 16: Input Menu

    GHM Group – Martens GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | Germany info@ghm-group.de Phone +49-40-670 73-0 www.ghm-group.de 4.4 Input menu The Input menu is divided into the following parameters: Input back Back Signal Signal Start AIn Analogue input start value...
  • Page 17 Input menu - Analogue input start value parameter 4.4.2 The Analogue input start value parameter is used to define the temperature, which is assigned to the lower analogue value (0/2V and/or 0/4mA). An In St ° Fig. 18: Analogue input start value parameter Input menu - Analogue input end value parameter 4.4.3 The Analogue input end value parameter is used to define the temperature, which...

  • Page 18: Output Menu

    GHM Group – Martens GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | Germany info@ghm-group.de Phone +49-40-670 73-0 www.ghm-group.de 4.5 Output menu The Output menu is divided into the following parameters: Output Back Analogue output back Start value scaling...
  • Page 19 Output menu - Scaling start value parameter 4.5.2 This parameter defines the corresponding temperature value at which 0/2V and/or 0/4mA is output at the analogue output An O St ° Fig. 22: Scaling end value parameter Output menu - Scaling end value parameter 4.5.3 This parameter defines the corresponding temperature value at which 10V and/or 20mA is output at the analogue output.
  • Page 20 GHM Group – Martens GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | Germany info@ghm-group.de Phone +49-40-670 73-0 www.ghm-group.de Output menu – Analogue output error behaviour 4.5.4 Defines the behavior of the analogue output when a value is exceeded or under- cut, insofar as there are errors in the input.
  • Page 21 Output menu – Alarm value parameter 4.5.6 The Alarm value parameter specifies the switching point of the alarm relay. Alarmval. ° Fig. 26: Alarm value parameter Output menu – Alarm hysteresis parameter 4.5.7 The Alarm hysteresis parameter specifies the switching hysteresis of the alarm relay.

  • Page 22: Function Menu

    GHM Group – Martens GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | Germany info@ghm-group.de Phone +49-40-670 73-0 www.ghm-group.de 4.6 Function menu The Function menu is divided into the following parameters. Funktion Back back Operating mode Limit value Op. Mode Hysteresis Limitval.
  • Page 23 Function menu – Threshold parameter 4.6.2 The Threshold of the safety function is set with this parameter. Limitval. ° Fig. 30: Threshold parameter Function menu – Hysteresis parameter 4.6.3 The Hysteresis (switching difference) of the threshold of the safety function is set here.
  • Page 24 GHM Group – Martens GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | Germany info@ghm-group.de Phone +49-40-670 73-0 www.ghm-group.de Function menu – External button function parameter 4.6.4 The connection possibilities of Terminal 61 and 62 can be selected under the Ex- ternal button function parameter.

  • Page 25: Error Messages

    Function menu – Temperature difference 4.6.6 Temp.dif. The maximum difference between the two thermocouples that does not lead to an error shut-down can be adjusted with the temperature difference parameter. ° Fig. 34: Temperature difference parameter 4.7 Error messages TB max Overview of possible error messages: °...

  • Page 26: Functional Safety

    GHM Group – Martens GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | Germany info@ghm-group.de Phone +49-40-670 73-0 www.ghm-group.de 5 Functional Safety The temperature limiter TB225 was developed according to the specifications of IEC 61508. This standard describes the functional safety of safety-related programmable electrical and electronic systems.

  • Page 27: Function Test

    6 Function Test When operating the device at a high request rate, i.e. in the event of process- related frequent response to the device, additional functional tests can be dis- pensed with in accordance with IEC 61508. This also applies to operation with a low request rate, i.e.

  • Page 28: Commissioning, Maintenance And Service

    GHM Group – Martens GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | Germany info@ghm-group.de Phone +49-40-670 73-0 www.ghm-group.de Special Note! The temperature limiter TB225 must be used in a control cabinet with a de- gree of protection of at least IP40.

  • Page 29: Technical Data

    Technical data Auxiliary energy 18…230 V AC/DC Auxiliary voltage: Power consumption: < 5 VA Rated voltage: 250V AC according to EN 60730-1: 2011, between input / relay output / auxil- iary voltage, Degree of Contamination 2, Overvoltage Category III Rated surge voltage 4kV CE Conformity: 2014/30/EU EN 60730-1: 2011, EN 60730-2-9: 2010...

  • Page 30: Mechanical Design / Dimensions

    GHM Group – Martens GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | Germany info@ghm-group.de Phone +49-40-670 73-0 www.ghm-group.de 8.1 Mechanical design / dimensions Connection terminals 11-14, 21-24, 31-34 Connection terminals 41-44, 61-64 Fig. 35: Dimensions...

  • Page 31: Order Code

    Order code TB225 - Measurement input Universal Input Switching outpu 2 Relays Auxiliary voltage 18..230 V AC/DC Options No options Functional Safety Without SIL-Certification Including SIL-Certification Table 3 9.1 Accessories Type Name Safety temperature limiter STL50 Safety thermocouple TC293, TC296 Safety temperature sensor TR293, TR296 Table 4...

  • Page 32: Returns

    Sitz der Gesellschaft: Tenter Weg 2-8, 42897 Remscheid/ Germany Wuppertal District Court, Commercial Register Section B 29352 Copyright: GHM Messtechnik GmbH. All rights reserved. Reprints, digital use of any type, and duplication may only take place with the written authorisation of GHM Messtechnik GmbH.

  • Page 33: Ec Certificate Of Conformity

    14 EC Certificate of Conformity...
  • Page 34 GHM Group – Martens GHM Messtechnik GmbH | Kiebitzhörn 18 | 22885 Barsbüttel | Germany info@ghm-group.de Phone +49-40-670 73-0 www.ghm-group.de 15 Notes Parameter Werkseinstellung Benutzereinstellung 1.2 - Unit °C 1.3 - Contrast 1.4 - Language deutsch 1.5 - Lighting auto 1.6 - Decimal place...
  • Page 36 V1.51/24.06.2020...

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