会按如下方式执行程序块:如果接收到的中断级别高于正在执行的程序块的中断级别，则停止执行当前程序块，转而执行和新收到的中断相关的程序块。如果接收到的中断级别等同于正在执行的程序块的中断级别，则继续执行当前程序块。将新收到的中断放入队列中。如果接收到的中断级别低于正在执行的程序块的中断级别，则将新收到的中断放入队列中。
Barber Colman 80HA-00001-001-0-00 Maco 8000 #7403
Sew Eurodrive Drive System MFD32A/MM11C238G0/AFG #31631
Sew Eurodrive Drive System MQD32A/MM07C/238G0 #31632
Allen Bradley Processor Module 1747-L40A / 1746-A2 #376
Honeywell Light Curtain Receiver 24TX Detector Series #
Conair Control Board 614-083-01 #3313
Vickers Power Amplifier Board EEA-PAM-118-B-30 #29840
Vickers Power Amplifier Board EEA-PAM-118-B-30 #29847
Vickers EEA-PAM-118-*- Amplifier Board #31277
Barber Colman Control Board Assembly 33-1375-1 #37666
Allen Bradley Starter 505-BOD-BIE #28824
Allen Bradley Contactor 100-D420 #37018
Barber Colman 80CC-11001-102-0-00 Maco 8000 #7382
Adept 10330-00800 I/O Board Slot Card #7624
Hitachi PSE Link Module LWE040 #31713
Bailey Controls NI0X01 Multiplier Board #7339
CTX Panoview 10″ LCD Touchscreen 540MRO #33228
Allen Bradley 1771-SPI Interface Module #25329
Fanuc A20B-0009-0051 Circuit Board #7358
Stahl WCS-DG210 DeviceNet Interface Module #8106
Barber Colman Monitor 80AA-10021-000-0-02, 81AA-02101-
Allen Bradley Starter 505-DOD Series B #33798
