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MAN0921_Issue 1_05/12
3. Proof test using HART
Use these proof test instructions if the HART
being used to communicate with Searchpoint Optima Plus.
Note: The instructions that follow assume that a suitable HART
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 fitted 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 confirmation 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 confirmation message. Press OK to release the 4-20 mA output.
15. Block the optical beam (for example using the cleaning cloth)
Optical Beam
Communications
®
Communications are
®
host (handheld or PC) is connected to the
®
8
Searchpoint Optima Plus
Safety Manual
®
- Quicklinks:
- Re-Zero Searchpoint Optima Plus
Quicklinks ausblenden:
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