Honeywell Searchpoint Optima Plus - 20. Appendix 2 - HART Additional Functions; 20.1 Changing the Target Gas

MAN0905_Issue 7_07/17 Searchpoint Optima Plus with optional HART
®
output
Operating Instructions
2108M0550
90
20. Appendix 2 –
HART
®
Additional Functions
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.
Caution: After changing any parameter, poll the Searchpoint Optima Plus and verify that the received
value is correct.
20.1 Changing the Target Gas
Searchpoint Optima Plus is supplied with look-up tables for several different gases. If required, the gas
table can be changed to a different target gas.
WARNING
If a new gas table is selected, the Searchpoint Optima Plus MUST be re-calibrated using
the target gas.
1. Select Device Setup.
2. Select Gas Conguration then Gas Selection.
3. Select Choose Gas.
Searchpoint Optima Plus stores a number of gas tables up to a maximum of 10. These include the Standard
Gases(Methane,Ethane,Propane,ButaneforHydrocarbonunits,EthyleneforEthyleneunits)plusany
SpecialGasesthathavebeenspeciedwhentheunitwasordered.(Forafulllistofgasesavailabletoorder
pleaseseeSpecication).
Caution: Searchpoint Optima Plus units contain a gas table called Linear 20R which is a factory
setting. DO NOT select this gas table.
ThenewgasischosenbyselectingFirstGas,LastGas,NextGasorPreviousGas.Toassistinnavigating
tondtherequirednewgas,pleaseseetheexampletablebelow:-
Location Hydrocarbon Units Ethylene Units
1 Methane Ethylene
2 Ethane Special Gases
3 Propane Special Gases
4 Butane Special Gases
5 Special Gases Special Gases
6 Special Gases Special Gases
7 Special Gases Special Gases
8 Special Gases Special Gases
9 Special Gases Special Gases
10 Linear 20R (DO NOT USE) Linear 20R (DO NOT USE)
Forexample,iftheunitiscurrentlyconguredforpropane,tochangetomethaneselectFirstGas.Ifitis
conguredforbutane,tochangetopropaneselectPreviousGas.
Note: The order of the gas tables in the Searchpoint Optima Plus is by part number, therefore the
standard gases may not be the rst listed.