Honeywell Searchpoint Optima Plus Guía del usuario
Searchpoint Optima Plus
Safety Manual
MAN0921_Issue 1_05/12 Searchpoint Optima Plus
Safety Manual
2
Contents
Section Page
1. Safety Parameters 3
1.1 Proof Test Interval 3
1.2 Special Notes 3
2. Proof test using SHC1 Handheld Interrogator 4
2.1 Inspection 4
2.1.1 Inspection of a unit tted with a Standard Weather Protection 4
2.1.2 Inspection of a unit tted with a Flow Housing 5
2.2 Re-zero Searchpoint Optima Plus 6
2.3 Bump Test (Gas Challenge) 6
2.3.1 Bump Test (Gas Challenge) for a unit tted with a Standard Weather
Protection
6
2.3.2 Bump Test (Gas Challenge) for a unit tted with a Flow Housing 6
2.4 Fix the 4-20 mA Output 7
3. Proof test using HART®Communications 8
3.1 Inspection 8
3.1.1 Inspection of a unit tted with a Standard Weather Protection 8
3.1.2 Inspection of a unit tted with a Flow Housing 9
3.2 Re-zero Searchpoint Optima Plus 10
3.3 Bump Test (Gas Challenge)
3.3.1 Bump Test (Gas Challenge) for a unit tted with a Standard
Weather Protection
11
3.3.2 Bump Test (Gas Challenge) for a unit tted with a Flow Housing 11
3.4 Fix the 4-20 mA Output 12
4. Proof test for a Searchpoint Optima Plus being used with an
XNX Universal Transmitter
13
4.1 Inspection 13
4.1.1 Inspection of a unit tted with a Standard Weather Protection 13
4.1.2 Inspection of a unit tted with a Flow Housing 14
4.2 XNX Universal Transmitter Proof Test 14
MAN0921_Issue 1_05/12 Searchpoint Optima Plus
Safety Manual
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1. Safety Parameters
The Searchpoint Optima Plus safety parameters listed below were provided by TÜV in report
968/EZ 559.00/12.
SFF PFDavg PFH
> 90% 2.13x10-4 4.87x10-8
SFF: Safe Failure Fraction. A percentage of safe failures as compared to all failures
PFDavg: Average probability of failure to perform its design function on demand
PFH: Probability of a dangerous failure per hour
1.1 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 interval to meet their system needs.
Honeywell allows such an extension, as long as the user follows the proper calculation method for
calculating a proof test interval as dened in 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.
1.2 Special Notes
1. The HART® Communications and the RS485 link must not be used for safety purposes.
2. Under a certain extremely rare combination of fault conditions, there is a risk that Searchpoint Optima
Plus could output >100 mA. Should a customer be concerned about this, it is recommended that a
suitable fuse is tted in the 4-20 mA output line.
3. Searchpoint Optima Plus must be protected from over voltage conditions (i.e. above the supply voltage
specication).
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Safety Manual
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Use these proof test instructions if the SHC1 Handheld Interrogator is
being used to communicate with Searchpoint Optima Plus.
Note: The instructions that follow assume that the SHC1 is connected to the Searchpoint Optima Plus and
switched on, in Optima+ mode, in the Main Menu. See the Searchpoint Optima Plus Operating Instructions,
2108M0550, for further information about the operation of the SHC1 Handheld Interrogator.
2.1 Inspection
2.1.1 Inspection of a unit tted with a Standard Weather Protection
Searchpoint Optima Plus should be inspected and cleaned.
Caution: Gas readings may be generated during this procedure.
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.
4. Inspect the Standard Weather Protection for damage or build up of debris / contaminants. If required,
clean or replace weather protection.
5. Inspect the Dust Barrier and clean or replace if required.
6. Remove the Dust Barrier and inspect the optics.
7. Clean any dust or contaminants from the optics using mild detergent and a soft cloth or cotton bud.
Do not use solvents or abrasive cleaners.
8. Press Escape then Enter to release the 4-20 mA output signal.
9. Block the optical beam (for example using the cleaning cloth).
Optical Beam
10. Conrm that a fault is generated on the 4-20 mA output, either locally or at the controller.
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.
11. Remove the blockage from the beam.
12. Select Calibrate then Display to inhibit the 4-20 mA output signal.
2. Proof test using
SHC1 Handheld Interrogator
MAN0921_Issue 1_05/12 Searchpoint Optima Plus
Safety Manual
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13. Replace the Dust Barrier and Standard Weather Protection.
14. Press Escape then Enter to release the 4-20 mA output signal.
15. Press Escape to return to the main menu.
16. Select Diagnose then Soft Reset to clear any faults or warnings that may have been generated by
cleaning.
17. Press Escape to return to the main menu.
2.1.2 Inspection of a unit tted with a Flow Housing
Searchpoint Optima Plus should be inspected and cleaned.
Caution: Gas readings may be generated during this procedure.
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. Disconnect any pipework attached to the ow housing.
4. Using a ½ inch / 13 mm A/F open ended spanner, remove the two black nuts which retain the ow
housing. Keep the O-ring seals which are below the retaining nuts.
5. Slide the ow housing off the Searchpoint Optima Plus. This may require some force due to the friction
of the O-ring.
6. Clean any dust or contaminants from the optics using mild detergent and a soft cloth or cotton bud.
Do not use solvents or abrasive cleaners.
7. Press Escape then Enter to release the 4-20 mA output signal.
8. Block the optical beam (for example using the cleaning cloth)
Optical Beam
9. Conrm that a fault is generated on the 4-20 mA output, either locally or at the controller.
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.
10. Remove the blockage from the beam
11. Select Calibrate then Display to inhibit the 4-20 mA output signal.
12. Ensure that the large sealing O-ring in the body of the ow 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 ow housing over the end of the Searchpoint Optima Plus and push until the ow housing is
rmly seated.
2. Proof test using
SHC1 Handheld Interrogator
MAN0921_Issue 1_05/12 Searchpoint Optima Plus
Safety Manual
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14. Re-t the O-rings and retaining nuts.
15. Press Escape then Enter to release the 4-20 mA output signal.
16. Press Escape to return to the main menu.
17. Select Diagnose then Soft Reset to clear any faults or warnings that may have been generated by
cleaning.
18. Press Escape to return to the main menu.
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, t
a Gassing Cover and apply zero gas.
3. Press Enter.
When the process is complete the display will state Zero Calibrated. It will then show options to continue to
a span calibration, or to exit calibration.
4. Press Escape to exit calibration.
5. Press Enter to release the 4-20 mA output signal.
6. Press Escape to return to the main menu.
Note: If the option to Calibrate Span is selected in error, press Escape.
2.3 Bump Test (Gas Challenge)
2.3.1 Bump Test (Gas Challenge) for a unit tted with a Standard
Weather Protection
Searchpoint Optima Plus should be functionally checked using an appropriate test gas.
Caution: Gas readings will be generated during this procedure.
Note: The unit should be powered up for 1 hour before a gas test is done.
1. Fit a Gassing Cover to the Searchpoint Optima Plus, if not already in place.
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.
4. Remove the Gassing Cover and wait for the test gas to clear (~ 30 s). Ensure that the gas reading has
returned to zero.
2.3.2 Bump Test (Gas Challenge) for a unit tted with a Flow Housing
Searchpoint Optima Plus should be functionally checked using an appropriate test gas.
Caution: Gas readings will be generated during this procedure.
Note: The unit should be powered up for 1 hour before a gas test is done.
1. Apply an appropriate test gas, using the same ow rate as the sampling system in which the Searchpoint
Optima Plus is installed.
2. Check that the Searchpoint Optima Plus responds to the test gas.
3. Apply zero gas and wait for the gas reading to return to zero.
2. Proof test using
SHC1 Handheld Interrogator
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Safety Manual
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2.4 Fix the 4-20 mA Output
The 4-20 mA output can be set to a xed value, to prove correct operation of the 4-20 mA loop.
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.
1. Select Calibrate then Force 4-20.
2. Use ▲ and ▼ to set the mA value to 4 mA and press Enter.
3. Check that Searchpoint Optima Plus outputs the set mA value.
4. When the test is complete, press Enter.
5. Repeat steps 2 - 4 for mA values of 12 mA and 20 mA.
6. Press Enter to release the 4-20 mA output signal.
7. Press Escape to return to the main menu.
2. Proof test using
SHC1 Handheld Interrogator
MAN0921_Issue 1_05/12 Searchpoint Optima Plus
Safety Manual
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Use these proof test instructions if the HART®Communications are
being used to communicate with Searchpoint Optima Plus.
Note: The instructions that follow assume that a suitable HART®host (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®
Communications.
3.1 Inspection
3.1.1 Inspection of a unit tted with a Standard Weather Protection
Searchpoint Optima Plus should be inspected and cleaned.
Caution: Gas readings may be generated during this procedure. Follow the steps to inhibit the
4-20 mA output. Ensure that the unit is not left in Inhibit mode.
1. Select Device Setup.
2. Select Test.
3. Select Inhibit.
4. Select Start Inhibit and press Enter.
5. The display shows a conrmation message. Press OK. The 4-20 mA output is now inhibited.
6. Inspect the Searchpoint Optima Plus unit, its junction box and cabling for any signs of physical damage.
7. Using a ½ inch / 13 mm A/F open ended spanner, unscrew the two retaining nuts and remove the
Standard Weather Protection.
8. Inspect the Standard Weather Protection for damage or build up of debris / contaminants. If required,
clean or replace weather protection.
9. Inspect the Dust Barrier and clean or replace if required.
10. Remove the Dust Barrier and inspect the optics.
11. Clean any dust or contaminants from the optics using mild detergent and a soft cloth or cotton bud.
Do not use solvents or abrasive cleaners.
12. Select Inhibit.
13. Select End Inhibit and press Enter.
14. The display shows a conrmation message. Press OK to release the 4-20 mA output.
15. Block the optical beam (for example using the cleaning cloth)
Optical Beam
3. Proof test using HART®Communications
MAN0921_Issue 1_05/12 Searchpoint Optima Plus
Safety Manual
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16. Conrm that a fault is generated on the 4-20 mA output, either locally or at the controller.
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 Device Reset.
17. Remove the blockage from the beam.
18. Select Inhibit.
19. Select Start Inhibit and press Enter.
20. The display shows a conrmation message. Press OK. The 4-20 mA output is now inhibited.
21. Replace the Dust Barrier and Standard Weather Protection.
22. Select Device Reset to clear any faults or warnings that may have been generated by cleaning.
23. Press OK to initiate a Device Reset.
24. The display shows a conrmation message. Press OK.
25. The display shows a note that the Searchpoint Optima Plus will return to normal operation, press OK.
26. Select Inhibit.
27. Select End Inhibit and press Enter.
28. The display shows a conrmation message. Press OK to release the 4-20 mA output.
29. Return to the Welcome screen.
3.1.2 Inspection of a unit tted with a Flow Housing
Searchpoint Optima Plus should be inspected and cleaned.
Caution: Gas readings may be generated during this procedure. Follow the steps to inhibit the
4-20 mA output. Ensure that the unit is not left in Inhibit mode.
1. Select Device Setup.
2. Select Test.
3. Select Inhibit.
4. Select Start Inhibit and press Enter.
5. The display shows a conrmation message. Press OK. The 4-20 mA output is now inhibited.
6. Inspect the Searchpoint Optima Plus unit, its junction box and cabling for any signs of physical damage.
7. Disconnect any pipework attached to the ow housing.
8. Using a ½ inch / 13 mm A/F open ended spanner, remove the two black nuts which retain the ow
housing. Keep the O-ring seals which are below the retaining nuts.
9. Slide the ow housing off the Searchpoint Optima Plus. This may require some force due to the friction
of the O-ring.
10. Clean any dust or contaminants from the optics using mild detergent and a soft cloth or cotton bud.
Do not use solvents or abrasive cleaners.
11. Select Inhibit.
12. Select End Inhibit and press Enter.
13. The display shows a conrmation message. Press OK to release the 4-20 mA output.
14. Block the optical beam (for example using the cleaning cloth).
3. Proof test using HART®Communications
MAN0921_Issue 1_05/12 Searchpoint Optima Plus
Safety Manual
10
Optical Beam
15. Conrm that a fault is generated on the 4-20 mA output, either locally or at the controller.
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 Device Reset.
16. Remove the blockage from the beam.
17. Select Inhibit.
18. Select Start Inhibit and press Enter.
19. The display shows a conrmation message. Press OK. The 4-20 mA output is now inhibited.
20. Ensure that the large sealing O-ring in the body of the ow 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 ow housing over the end of the Searchpoint Optima Plus and push until the ow housing is
rmly seated.
22. Re-t the O-rings and retaining nuts.
23. Select Device Reset to clear any faults or warnings that may have been generated by cleaning.
24. Press OK to initiate a Device Reset.
25. The display shows a conrmation message. Press OK.
26. The display shows a note that the Searchpoint Optima Plus will return to normal operation, press OK.
27. Select Inhibit.
28. Select End Inhibit and press Enter.
29. The display shows a conrmation message. Press OK to release the 4-20 mA output.
30. Return to the Welcome screen.
3.2 Re-zero Searchpoint Optima Plus
Caution: During this procedure the 4-20 mA output will be inhibited automatically. If the procedure is
aborted, ensure that the unit is not left in Inhibit mode.
Note: the calibration routine will timeout after 2 minutes of inactivity.
1. Select Device Setup.
2. Select Calibrate.
3. Select Gas Calibration.
4. The display shows a warning message, press OK.
5. Ensure that there is zero gas present in the vicinity of the Searchpoint Optima Plus. If necessary, t a
Gassing Cover and apply zero gas.
3. Proof test using HART®Communications
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