此实例来源于网络,我司不负责解释和答疑,敬请谅解。Once you have it wired up you will need to upload the following code to your Seeeduino. Once it is uploaded and you have some fluid flowing through the Water Flow Sensor, you
2020-04-17 ultisensor 412
PLC一般是供电24V DC, 所以需要选择24V PLC版的流量传感器。流量传感器输出NPN型的脉冲信号,并不能输出4-20mA,或者0-10V的信号。所以只要PLC可以读取NPN脉冲数,就可以使用我们的流量传感器。国产PLC读取的是PNP的脉冲信号,并不能直接使用,解决办法我们暂时不清楚。PLC的高速脉冲接口可以直接读取,如果用IO接口,黄线输出电压9V左右。则需要外接上拉电阻,如下示意图。2
2022-03-09 ultisensor 1631