描述
偶发性故障。由于外界恶劣环境如电磁干扰、超高温、超低温、过电压、欠电压、振动等引起的故障。这类故障,只要不引起系统部件的损坏,一旦环境条件恢复正常,系统也随之恢复正常。但对PLC而言,受外界影响后,内部存储的信息可能被破坏。
Balzers BSP104A Pumping Unit Control w/ BSV202 & GA-1
Tokyo Electron Yamanaski P-12XL AQA-K09-TYP2 Chiller
Perkin-Elmer 3030 Atomic Absorption Spectrometer Zeeman
Kensington Laboratories Inc. 8500 X-Y Motorized Stage
Neopost SI-70 SI70 Advanced Mailer Mailing System
Seiko Seiki STP SCU-H1000C Turbo Molecular Pump Control