組測試順序
每個MV都有幾個參數(shù)用于測試組制定整體組測試計劃。這些參數(shù)包括:
?STMVORDER - 相對順序參數(shù)
?STMVSTEPS - 要求的單個迭代階躍數(shù)
?STMVDUR – 需求的主階躍長度
?STMVSRV - 測試服務開關(guān)
根據(jù)這一組參數(shù),智能向?qū)每梢源_定階躍測試順序。當前的MV(STGCURRMV)值和下一個MV(STGNEXTMV)值對用戶都是可用的。如果應用運行為開環(huán)狀態(tài)(ONSTS= OFF),則當前MV值為0,下一個MV值將顯示MV階躍后的值。
注:智能向?qū)面i定當前MV(若應用是開環(huán)的,則鎖定下一個MV)。當MV被鎖定時,用戶將無法通過操作STMVORDER和STMVSTEPS改變當前MV值。例如:若應用被關(guān)閉,且STGCURRMV=0,STGNEXTMV=2。如果工程師不希望重新開啟應用測試MV2,那么他們就應該設置自己的習慣,并且至少關(guān)閉測試服務開關(guān)MV2一個周期。這將導致測試計劃中另一個MV被鎖定。
附原文:
Group testing order
Each manipulated variable has several parameters that are used by the test group to devise the overall group test plan. These parameters include:
?STMVORDER – Relative order parameter
?STMVSTEPS – Number of steps requested for a single iteration
?STMVDUR – Requested length of the major step
?STMVSRV – Test service switch
From this set of parameters, the SmartStep application determines a step test order. The values of both the current MV (STGCURRMV) and the next MV (STGNEXTMV) are available to the user. If the application is running open loop (ONSTS = OFF), then the current MV will be zero and the next MV will show the next MV to be stepped.
Note: A SmartStep application locks the current MV (or, if the application is open loop, the next MV). The user will be unable to change the current MV by manipulating STMVORDER or STMVSTEPS when the MV is locked. STMVSRV can be used to unlock an MV. For example: the application is turned OFF, and the STGCURRMV=0, and the STGNEXTMV=2. If the engineer does not wish to turn the application back on and test MV2, then they should set the order to their preference, and turn off the test service switch for MV number two for at least one cycle. This will cause another MV to be locked into the test plan.
2015.10.20