Description
常用的I/O分类如下:开关量:按电压水平分,有220VAC、110VAC、24VDC,按隔离方式分,有继电器隔离和晶体管隔离。模拟量:按信号类型分,有电流型(4-20mA,0-20mA)、电压型(0-10V,0-5V,-10-10V)等,按精度分,有12bit,14bit,16bit等除了上述通用IO外,还有特殊IO模块,如热电阻、热电偶、脉冲等模块。
Siemens Regulator Board 6RB2000-0NB00 #17064
SIEMENS 6SN1118-0AD11-0AA1 BOARD 6SN11180AD110AA1
Siemens Analog Control Board Cat# 6SC6100-0NA21 Used
Siemens SimaticS5 6ES5-928-3UA12 CPU Board