IMFEC12 ABB
IMFEC12 ABB
自動(dòng)執(zhí)行引擎
自動(dòng)執(zhí)行引擎采用守護(hù)進(jìn)程實(shí)現(xiàn)的方式。所謂守護(hù)進(jìn)程就是Daemon進(jìn)程,是Linux中的后臺(tái)服務(wù)程序,是一個(gè)生存期較長的進(jìn)程,通常獨(dú)立于控制終端并且周期性地執(zhí)行某種任務(wù)或等待處理某些事件的發(fā)生[5]。守護(hù)進(jìn)程常常在系統(tǒng)引導(dǎo)裝入時(shí)啟動(dòng),在系統(tǒng)關(guān)閉時(shí)終止。把要運(yùn)行的目標(biāo)腳本和應(yīng)用程序放到守護(hù)進(jìn)程中,并定義一個(gè)全局變量Autoflg作為標(biāo)志位。運(yùn)用此模塊的目的是讓其在操作系統(tǒng)后臺(tái)運(yùn)行,通過標(biāo)志位實(shí)時(shí)監(jiān)控目標(biāo)腳本和應(yīng)用程序的運(yùn)行狀態(tài)。守護(hù)進(jìn)程的整體結(jié)構(gòu)圖如圖4所示。
Temposonics 311000000RCU0070 Sensing System #26624
SCI Epic ACIM (D) PC Board 22857 Rev G #25406
ITE Circuit Breaker 20 Amp 1 Pole #26978
SCI Epic ACIM (D) PC Board 22857-1L Rev G #25407
Hammond PT50MLI Control Transformer #15159
SCI Epic D/A PCB 22992-4 Rev E #25391
Square D Circuit Breaker 20 Amp 3 Pole #27022
Furnas Starter 14JB32AF Size 4 Series B, 3PH #12095
SCI Epic D/A PCB 22992-2 Rev J #25395
Square D Circuit Breaker 20 Amp 1 Pole #27026
Square D Circuit Breaker 15 Amp 3 Pole #27027
SCI Epic D/A PCB 22992-6 Rev G #25397
Square D Circuit Breaker 20 Amp 2 Pole #27028
Allen Bradley Starter 709-EOD103 Series K #12094
SCI Epic Process Control Board Rev M #25396
Square D Circuit Breaker 60 Amp 3 Pole #27029
Square D Circuit Breaker 30 Amp 2 Pole #27030
Allen Bradley Starter 709-EOD103 Series K #12091
Allen Bradley Starter 709-EOD103 Series K #12092
Oriental Motor Speed Control Unit USP425-1U #21818
Square D Circuit Breaker FAL-36000, 100 AMP #12090
Allen Bradley Contactor 45 AMP 500-COD930, #5859
GE Circuit Breaker TED136050, 50 Amp, 600VAC #5857
Allen Bradley 1794-0B16P Output Module #11171
SCI Epic ACIM(D) PC Board 22857-1L Rev C #25369
General Electric Circuit Breaker 30 Amp 2 Pole #27032
Simonds Tool Balancer TB-2, Max 5.0 LBS, NEW #13478
General Electric CR354AB3AA1B Starter #8813
Siemens Circuit Breaker 30 Amp 2 Pole #27033
Square D Breaker, 60 AMP, Series 3, #12081
IEE 05464-35185-02 Vacuum Florescent Display Bd #12925
Drawer Magnet 4 1/4" Inlet, 2 3/4" Outlet, #15112