使中断反应时间超出典型值。然而，由于前–个中断执行时间不确定，所以中断反应时间不固定。I/0中断顺序执行，所以单个l/0中断的反应时间受前面的中断块执行时间影响。(最坏的情况是系统中所有的Vo中断同时发生，则最后–个执行的中断必须等待其他中断执行完成才能执行)

SCI PC Board 080-2311, REV B #22550

Banner Fiber Optic Cable IT ETA1.53S #30599

TriTronics Fiber Optic On-Off Relay UCF-A #23347

Acme Electric Industrial Transformer TA-1-81216 #26233

Lot of 2 Red Hat Asco Solenoid Valve JKF8262G210E 30077

Heinemann Circuit Breaker CF3 G3-D, 15 Amp #28442

Allen Bradley Contactor 100-A24ND3, 24 Amp #11861

Banner SBAR1GH Multi Beam Scanner Beam #12584

Crompton Protector Relay 256-PLLU #15011

Omron Output Unit Controller C200H-0D212, #7850

SCI PC Board 080-2311-8, 180-2311, REV G #24322

Allen Bradley Proximity Switch 872C-D4NP12-E5 23100

Gould ITE Circuit Breaker BQ3B030 30 Amp #27031

Omron Memory Unit C200H-ME431, 8KB, #20878

Rockwell Terminal Block 74102-418-51, REV 08 #35846

Allen Bradley 1494V-H1 Handle Kit Series A #32269

Square D LL-3898 Circuit Breaker 50 Amp #13742

Square D LM-6432 Circuit Breaker 50 Amp #13743