模块中回归调用过多循环过多(循环次数过多或者每次的执行时间过长)执行死循环软件看门狗定时器设定值要比程序最大扫描时间大–点以防止意外超时。对于Constant扫描模式，设定软件看门狗定时器数值时应考虑扫描超时的情况。看门狗:定时器在中断定时器执行过程中仍然计时。单个扫描内的中断序列可能引起看门狗定时器达到设定值。

1GB 2x512MB Kingston KHX3200A/512 Hiperx DDR Single Cha

OEM IBM/Lexmark P/N:1299095 High Yield Correctable Film

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Turck BS8251-0 5-Pin Male Connector BS-8251 Eurofast Fi

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Genuine Epson T005011 Color Ink Cartridge Stylus 900/98

Siemens Miniature Circuit Breaker 5SX2 1C1 / 5SX2101-7

Siemens Miniature Circuit Breaker 5SX2 1 C30 / 5SX2130-

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ITT Cannon 057-0364-020 & CA3100F20-17PF8?0 6-Pin Connec

Vexta C7045-9012 2-Phase Stepping Motor 1.8DEG/STEP 4.4

OM Vexta C7325-9012 2-Phase Stepping Motor 1.8DEG/STEP

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Apple/Macinstos?h CD-RW/DVD-ROM Combo Optical Drive CDD5

Apple/Macinstos?h CD-RW/DVD-ROM Combo Optical Drive CDD5