在缺省極限窗口下,對應(yīng)編程器的每次掃描,也就是接受一次服務(wù)請求,或響應(yīng)一次按鍵,CPU便完成一次操作。如果編程器給出一個俯要6ms以上時間來處理的請求，那么,請求處理將跨越幾個掃描周期,以避免因掃描大于Ems而被壓縮。圖2-2所示為的編程器通訊掃描部分的邏輯流程圖。

Instron A1022-1244 Circuit Board

Juki E8646715OAO Head Motor PCB Board

Juki E8621715AAO Head Main Unit Board

Juki 941116F Keyboard SW Board

Rexroth ECM01.1-PB01-NN DKC10.3-004-3-M?GP-01VRS Indram

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SVG 80039D-07 INDEXER BOARD

GAGE BLOCK SET

MOTOROLA AAHTN3003D MULTI UNIT CHARGER

ADEPT 30400-20000 Signal Interface Box

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Tektronix 671-0534 Controller Board

2 ARBURG 139 SN28.195 NR. 004959 CONTROL CARDS

GE SB362R Spectra Busway Breaker 3P/3W 60A

Mould-tek VIM-501P Vacuum Loader Control

DIAMOND SYSTEMS HERCULES-EBX CPU W/ DATA ACQUISITION

TRI-M ENGINEERING IR104 PC104 Industrial Relay Board

PARKER SX6-DRIVE COMPUMOTOR

Aequitron LP6 Plus Portable Ventilator

DEMAG ECON 80 CONTROLLER