Honeywell Searchpoint Optima Plus Safety Manual
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Honeywell Searchpoint Optima Plus Safety Manual

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Summary of Contents for Honeywell Searchpoint Optima Plus

  • Page 1 Safety Manual Searchpoint Optima Plus...

  • Page 2: Table Of Contents

    Weather Protection 3.3.2 Bump Test (Gas Challenge) for a unit fitted with a Flow Housing Fix the 4-20 mA Output Proof test for a Searchpoint Optima Plus being used with an XNX Universal Transmitter Inspection 4.1.1 Inspection of a unit fitted with a Standard Weather Protection 4.1.2 Inspection of a unit fitted with a Flow Housing...

  • Page 3: Safety Parameters

    IEC 61508 for the desired SIL level. This proof test interval will vary depending on system, hardware architecture and application. Note: The proof test interval should not preclude more frequent maintenance of Searchpoint Optima Plus in accordance with the Operating Instructions if site conditions require it.

  • Page 4: Proof Test Using Shc1 Handheld Interrogator

    1. Select Calibrate then Display to inhibit the 4-20 mA output signal. 2. Inspect the Searchpoint Optima Plus unit, its junction box and cabling for any signs of physical damage. 3. Using a ½ inch / 13 mm A/F open ended spanner, unscrew the two retaining nuts and remove the Standard Weather Protection.

  • Page 5: Inspection Of A Unit Fitted With A Flow Housing

    12. Ensure that the large sealing O-ring in the body of the flow housing, and the two small O-rings which go below the retaining nuts, are clean and in good condition. Replace if in doubt. 13. Slide the flow housing over the end of the Searchpoint Optima Plus and push until the flow housing is firmly seated.

  • Page 6: Re-Zero Searchpoint Optima Plus

    2.2 Re-zero Searchpoint Optima Plus 1. Select Calibrate then CalSensor. (This will inhibit the 4-20 mA output signal). 2. Ensure that there is zero gas present in the vicinity of the Searchpoint Optima Plus. If necessary, fit a Gassing Cover and apply zero gas.

  • Page 7: Fix The 4-20 Ma Output

    Note: The 4-20 mA output can be monitored either at the control room or locally with a multimeter. When connecting or disconnecting a multimeter, power off the Searchpoint Optima Plus, otherwise the unit will indicate a latched warning that the 4-20 mA loop was broken. If this occurs it can be cleared by performing a Soft Reset.

  • Page 8: Proof Test Using Hart ® Communications

    (handheld or PC) is connected to the ® Searchpoint Optima Plus and that the user is logged in with Level 1 access privileges. See the Searchpoint Optima Plus Operating Instructions, 2108M0550, for further information about the operation of the HART ®...

  • Page 9: Inspection Of A Unit Fitted With A Flow Housing

    8. Using a ½ inch / 13 mm A/F open ended spanner, remove the two black nuts which retain the flow housing. Keep the O-ring seals which are below the retaining nuts. 9. Slide the flow housing off the Searchpoint Optima Plus. This may require some force due to the friction of the O-ring.

  • Page 10: Re-Zero Searchpoint Optima Plus

    20. Ensure that the large sealing O-ring in the body of the flow housing, and the two small O-rings which go below the retaining nuts, are clean and in good condition. Replace if in doubt. 21. Slide the flow housing over the end of the Searchpoint Optima Plus and push until the flow housing is firmly seated.

  • Page 11: Bump Test (Gas Challenge)

    2. Apply an appropriate test gas at a rate of 1 – 1.5 litres per minute for ~ 30 - 60 s. 3. Check that the Searchpoint Optima Plus responds to the test gas. The live gas concentration is shown on the screen.

  • Page 12: Fix The 4-20 Ma Output

    8. Repeat steps 4 to 7 for mA values of 12 mA and 20 mA, then select End. 9. The display shows a note that the Searchpoint Optima Plus will return to normal operation, press OK. 10. The display shows a confirmation message, return to the Welcome screen.

  • Page 13: Proof Test For A Searchpoint Optima Plus Being Used With An

    XNX Universal Transmitter. Note: If Searchpoint Optima Plus is being used with the XNX Universal Transmitter, it must be tested as part of a system with XNX. Therefore in addition to the proof test detailed below, also complete the XNX proof test described in the XNX Safety Manual.

  • Page 14: Inspection Of A Unit Fitted With A Flow Housing

    10. Ensure that the large sealing O-ring in the body of the flow housing, and the two small O-rings which go below the retaining nuts, are clean and in good condition. Replace if in doubt. 11. Slide the flow housing over the end of the Searchpoint Optima Plus and push until the flow housing is firmly seated.

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