隔离，这是抗干扰的主要措施。PLC的输人、输出接口电路一般采用光电耦合器来传递信号。这种光电隔离措施，使外部电路与内部电路之间避免了电的联系，可有效地抑制外部干扰源对PLC的影响，同时防止外部高电压串人，从而减少故障和误动作。
gilestar - FTR-1629-53-AS - For Finisar - New in Box
Agilestar - FTR-1629-54-AS - For Finisar - New in Box
Agilestar - FTR-1629-55-AS - For Finisar - New in Box
Agilestar - FTR-1629-56-AS - For Finisar - New in Box
Agilestar - FTR-1629-57-AS - For Finisar - New in Box
Agilestar - FTR-1629-58-AS - For Finisar - New in Box
Agilestar - FTR-1629-59-AS - For Finisar - New in Box
Agilestar - FTR-1629-60-AS - For Finisar - New in Box
Agilestar - FTR-1629-61-AS - For Finisar - New in Box
Agilestar - FTL-1621-47-AS - For Finisar - New in Box
Agilestar - FTL-1621-49-AS - For Finisar - New in Box
Agilestar - FTL-1621-51-AS - For Finisar - New in Box
Agilestar - FTL-1621-53-AS - For Finisar - New in Box
Agilestar - FTL-1621-55-AS - For Finisar - New in Box
Agilestar - FTL-1621-57-AS - For Finisar - New in Box
Agilestar - FTL-1621-59-AS - For Finisar - New in Box
Agilestar - FTL-1621-61-AS - For Finisar - New in Box
Agilestar - ONS-SE-155-1530 - For Cisco - New In Box
