2018/7/16 17:46:46 来源: 福州卓凯电子科技有限公司
6ES5706-4CB00
PL-P42W-10A
MDD115C-N-030-N2M-130PB2
3-533-0527G
6DI30MB-050
可选附件,在没有PC的情况下实现数据调用,下载和上传用户程式
模拟量,如电流、电压、温度、压力等等,它的大小是连续变化的。工业生产,特别是连续型生产过程,常要对这些物理量进行控制。
作为一种工业控制电子装置,PLC若不能对这些量进行控制,那是一大不足。为此,各PLC厂家都在这方面进行大量的开发。目前,不仅大型、中型机可以进行模拟量控制,就是小型机,也能进行这样的控制。
PLC进行模拟量控制,要配置有模拟量与数字量相互转换的A/D、D/A单元。它也是I/O单元,不过是特殊的I/O单元。
A/D单元是把外电路的模拟量,转换成数字量,然后送入PLC。D/A单元,是把PLC的数字量转换成模拟量,再送给外电路。
作为一种特殊的I/O单元,它仍具有I/O电路抗干扰、内外电路隔离,与输入输出继电器(或内部继电器,它也是PLC工作内存的一个区。可读写)交换信息等等特点
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Moeller DIL4-M115 Contactor 110/120V
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DataSensor Fixed Focus Proximity Sensor M8 S41-5-D-P !
Lambda LRS-54M-24 Power Supply
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Asea Brown Boveri NINT-62 Main Circuit Interface Board - Damaged Card ! AS IS
Festo, MUHx2-ZP-D-1-24G, 34928, Pnuematic Valve Solenoid Plate Manifold 145psi
Sharp. LQOB101. Flourescent Lamp Light 0483-WW11 Backlight Screen 2/pack
Tungsten Electrodes MAWZ-068 Welding Rod 10/pack
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