描述
定时器在PLC中相当于一个时间继电器，它有一个设定值寄存器（一个字）、一个当前值寄存器（字）以及无数个触点（位）。对于每一个定时器，这三个量使用同一个名称，但使用场合不一样，其所指的也不一样。通常在一个可编程控制器中有几十个至数百个定时器，可用于定时操作
Tascam DR-100 Digital Recorder+Sennheiser EW112p A-Band
Authorized Dealer*Full Warranty*NEW*FAST shipping!!!
One-day shipping available
Enlarge
Tascam DR100 Digital Recorder+Sennheiser EW112p B-Band
Authorized Dealer*Full Warranty*NEW*FAST shipping!!!
One-day shipping available
Enlarge
Tascam DM4800 Meter Bridge
Tascam Dr100 Recorder Sennheiser Ew 112p G3 G-Band
Authorized Dealer*Full Warranty*NEW*FAST shipping!!!
One-day shipping available
Enlarge
2488 neo Tascam 24 track recorder Portastudio 24 track
Tascam Dr100 Recorder Sennheiser Ew 112p G3 B-Band
Authorized Dealer*Full Warranty*NEW*FAST shipping!!!
One-day shipping available
Enlarge
Tascam 2488NEO 24 Bit 24 Track Hard Disk Recorder
