Analogue output module for a 0-5V to 4-20mA signal converter

摘要

This series of columns is dedicated to a project involving thirteen analogue input modules and seven analogue output modules to connect to the ADC/DAC channels of a 5 V microcontroller. This month we present the last article in the series, which discusses the seventh analogue output module for a 0-5V to 4-20mA signal converter that provides current output from 4-20mA and requires a +12V DC power. Figure 1 shows the module's circuit diagram, with its connections shown in Figure 2.