描述
PLC在早期只是用来存储执行逻辑运算、顺序控制、定时、计数和运算等操作的指令;并通过数字输入和输出操作,来控制各类机械或生产过程。这种特性导致他一般用于较小的自控场所,且拓展性并不强。
Agilestar – AT-SPBD10-14-AS – For Allied Telesyn – New
Agilestar – FTRJ1421P1BCL-AS – For Finisar – New in Box
Agilestar – GLC-FE-100LX-RGD-AS – For Cisco – New in Bo
Agilestar 15454-SFP3-1-IR Module 1YearWrnty 3XAvlble
Agilestar – CWDM-GBIC-1270 – For Cisco – New in Box
Agilestar – CWDM-GBIC-1310 – For Cisco – New in Box
Agilestar – CWDM-GBIC-1330 – For Cisco – New in Box
Agilestar – CWDM-GBIC-1350 – For Cisco – New in Box