Gravity: I2C 4-20mA DAC Module

This is an I2C DAC module that outputs 0-25mA current. It offers a more accurate 4-20mA current output after calibration, which can be used with most 4-20mA devices on markets such as motors, inverters, valves, pumps, etc., by Arduino programming. Function Indication

Hardware Connection

Features

* 0-25mA output, more accurate current within 4-20mA available after calibration

* Gravity interface, I2C communication

* High accuracy, 0.2% linearity error

* 18-24V power supply

Specifications

* Chip Type: GP8302

* Input Signal Range: 12Bit, 0x000-0xFFF (0-25mA)

* Input I2C Signal High Level: 2.7V-5V

* Power Supply: 18V-24V (24V recommended)

* Accuracy: 0.5% before calibration, 0.2% after calibration

* Power Consumption: ＜5mA

* Start-up Time: ＜2ms

* Operating Temperature: -40°C to 125°C

* Load Resistance: Maximum 450Ω load capacity for 18V power supply, maximum 750Ω for 24V

* Output Current: 0-25mA

* I2C Address: 0x58

Resources

* Product wiki

* Schematics

* Dimensions

* 2DCAD File

* 3D Model File

* Datasheet

Package Contents

* 1x Gravity: I2C 4-20mA DAC Module (Arduino Compatible)

* 1x Gravity I2C/UART Sensor Connector