Abstract: Using a DAC and a microprocessor supervisor, the system safety can be improved in industrial controllers, programmablelogiccontrollers (PLC), and data-acquisition systems. The analog output is set to zero-scale (or pin-programmable midscale) when amicroprocessor failure, optocoupler fail ...
/dl/21258.html
标签：
DAC
精密
看门狗
模拟
上传时间：
2013-10-17
上传用户：sjb555
