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Honeywell Touchpoint Plus Safety Manual
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Honeywell Touchpoint Plus Safety Manual

Honeywell Touchpoint Plus Safety Manual

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Gas Detection
Touchpoint Plus
Safety Manual

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Summary of Contents for Honeywell Touchpoint Plus

  • Page 1 Gas Detection Touchpoint Plus Safety Manual...

  • Page 2: Table Of Contents

    4.1.4 Span gas and relay ........................................6 4.2 mA output proof test procedure .................................6 4.2.1 Force mA ............................................6 4.2.2 Zero gas and mA output ......................................7 4.2.3 Span gas and mA output ......................................7 4.2.4 Verification of mA output configuration ................................7 Touchpoint Plus Safety Manual...

  • Page 3: Overview

    • 4-20 mA current output Touchpoint Plus is SIL2 approved by SGS TUV SAAR (Certificate number: FS/71/220/17/0178) with the following safety parameters in accordance with the combination of input board type (mA input, mV input and Dual input) and output function (4-20 mA and Relay), Touchpoint Plus’s detail PDF and PFH can be summarized as followings:...

  • Page 4: Proof Test Interval

    The purpose of a proof test is to return the unit to “as new” in terms of its safety parameters. The proof test interval is 1 year. According to IEC 61508, users are allowed to extend the proof test inter-val to meet their system needs. Honeywell Analytics allows such an extension, as long as the user follows the proper calculation method for calculating a proof test interval as defined in IEC 61508 for the desired SIL level.

  • Page 5: Safety Function

    3 Safety Function Touchpoint Plus has two kinds of safety function: 1) Relay output and 2) 4-20 mA current output. The safety function must operate as intended for SIL2 and here is the brief summary of intended opera-tion of each safety function.

  • Page 6: Proof Test Procedure

    4.2.1 Force mA Each mA output channel of Touchpoint Plus can be tested by forcing the mA output. “Force 4-20 mA” is to verify mA output where user can select the mA value and measure the mA output from Touch-point Plus by using the multimeter. Please refer to the section 9.2.3 of 3011M5001 to conduct “Force 4-20 mA”.

  • Page 7: Zero Gas And Ma Output

    Honeywell Analytics for further services. 3) It should be careful when use with mA input sensor. mA input sensor may produce incorrect mA signal to Touchpoint Plus’s mA channel. Please verify if mA input sensor generates the accurate mA signal to Touchpoint Plus. For example, user can connect mA loop calibrator (accurate source of mA signal) to the mA channel of Touchpoint Plus.
  • Page 8 Tel: +1 847 955 8200 Toll free: +1 800 538 0363 Fax: +1 847 955 8210 detectgas@honeywell.com www.honeywell.com Asia Pacific Honeywell Analytics Asia Pacific #701 Sang Am IT Tower WorldCupbuk–Ro 34–Gil, Mapo–Gu Seoul 03922 Korea Please Note: Tel: +82 (0)2 6909 0300 While every effort has been made to ensure accuracy in this publication, no responsibility can be accepted for errors or omissions.

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