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- Product Code: NCD-PR33-27
- MPN: PR33-27
This 4-20mA Current Loop Transmitter Board with integrated 16-Bit Digital to Analog Converter (DAC). This 4-20mA Current Loop Transmitter Board uses an XTR115 4-20mA Current Loop Transmitter and an AD5696 Digital to Analog Converter. The AD5696 has two address bits, so 4 devices can be connected at the same time on one I2C bus. If more are needed you can also connect more devices on one bus using the I2C multiplexer. The On-board XTR1115 4-20mA Current Loop Transmitter has a wide Loop supply range from 7.5V to 36V.
This 4-20mA current loop transmitter has onboard screw terminals which make it easy to connect. It also has a Vref exposed pad. The Vref for the XTR115 is 2.5V.
When the DAC output value is around 894, the output current value is 4mA. An output value around 4613 yields an output current value of 20mA.
The I2C Bus is isolated up to 1.5KV.
What is the NCD IoT Interface?
The NCD IoT Interface provides users with a means of changing or upgrading the IoT communications technology as new technologies emerge. The NCD IoT Interface is directly compatible with Particle Photon for WiFi communications, Electron for Cellular Communications, Bluz for Bluetooth. Optionally, adapters may be installed to provide a direct interface to Arduino Nano, Micro, USB, PyCom WyPy, Onion Omega, Raspberry Pi, and much more. The NCD IoT interface allows you to re-use your hardware so it never becomes obsolete! Based on I2C communications, the NCD IoT Interface uses only 2 GPIO lines of your microcontroller, freeing the rest of your CPU for other tasks.
Unlimited I2C Expansion
Based on our plug-and-play I2C interface standard, all NCD IoT devices are equipped with a I2C expansion port, making it easy to expand to a wide variety of sensors, current monitors, relay controllers, PWM controllers, and much more! We are always designing new expansions for our plug-and-play I2C framework. We are dedicated to building a product line of interconnected devices to simplify all forms of automation. Re-use or upgrade your hardware in seconds by selecting the modules that best fit your needs, and chaining them together using the included I2C expansion cables!
Features
- 4 Channel 4-20 mA Current Loop Transmitter
- 4 Channel Output with 16-Bit Resolution
- XTR115 4-20mA Current Loop Transmitter
- Up to 4 Devices on one I2C Bus
- Ideal For Industrial Control
- Wide Loop Supply Range 7.5V to 36V
- 2 Wire, 4-20mA Current Loop Transmitter
- Low Span Error & Low Non-Linearity Error
- 1.5KV Isolated I2C Interface