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- Product Code: NCD-PR33-32
- MPN: PR33-32
This 4-20mA Current Receiver Board is capable of reading 4-20mA, 0-40mA, 0-20mA input Signal from 8 remote sensors. It has an on-board amplifier for signal conditioning. This Board uses Two MCP3428 to read the amplified signal. The MCP3428 is a 4-Channel Analog to Digital Converter with 16-Bit resolution, ideally suited for low-speed high-resolution sensor monitoring. The MCP3428 is capable of reading analog voltages at 15 samples per second with 16-Bit resolution or 240 samples per second at 12-bit resolution. The MCP3428 has an x1, x2, x4, x8 programmable gain amplifier, making it an ideal choice for monitoring extremely low-voltage sensors. All 8 channels have differential inputs, capable of monitoring a full-scale range of 4-20mA, 0-40mA, 0-20mA. Up to 8 MCP3428 devices are capable of sharing a single I2C communication port, using three floating address inputs. This board can be used to read 4-20mA output flow sensor, 4-20mA temperature output , 4-20mA float sensor and many more industrial sensors that support the 4-20ma standard.
If you want to interface industrial 4-20mA sensors with Raspberry Pi, Arduino, Particle Photon and all other major platforms, you can use this board with the respective adapter.
Note: Set MCP3428 gain to one to read 0-40mA Signal, set the gain at two to read 0-20mA and 4-20mA signals.
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!
- 8-Channel ADC with 16-Bit Resolution
- Programmable x1-x8 Gain Amplifier
- 4-20mA, 0-20mA, or 0-40mA Inputs
- Up to 3.4MHz Communication Speed
- 0x68 Start Address
- Up to 4 Devices per I2C Port
- On-board Power Management
- Works with Many Popular IoT Platforms, Including:
- Photon, Electron, Onion Omega, Pycom, ESP8266