EthercatDevice_DmpAIQ.currentWrite()

[EthercatDevice_DmpAIQ_Generic]

描述

Write a current value to the specified analog output channel on the EtherCAT slave device. This function is used to specify that the channel is configured for Current Mode.

衍生類別：

語法

int currentWrite(int ch, double current);

參數

• [in] int ch
  The specified analog output channel on the EtherCAT slave device.
• [in] double current
  The desired output current, in amperes (A).

回傳值

Return an error code. If the returned value is zero, it indicates a successful execution of this function.

備註

This function must be called after a successful execution of EthercatMaster::start() and before EthercatMaster::stop(). This function is non-blocking and can be called within the callback functions.

範例

#include "Ethercat.h"

EthercatMaster master;
EthercatDevice_QECR11A44S slave;

void setup() {
  master.begin();
  slave.attach(0, master);
  master.start();
}

void loop() {
  slave.currentWrite(0, 0.02);
  delay(1000);
  slave.currentWrite(0, 0);
  delay(1000);
  slave.currentWrite(0, 0.01);
  delay(1000);
  slave.currentWrite(0, 0);
  delay(1000);
}

Please see EthercatDevice_DmpAIQ_Generic類別 for more QEC AIO slave instructions and API usage.