RXE002 – 4 Channel USB/RTU/TCP Modbus Relay Module With Digital Outputs, Analog and Digital Inputs
Description
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RXE002 is an Input/Output module that supports Modbus RTU over USB and RS485 and Modbus TCP over Ethernet. This product has 4 Relays (Dry Contacts) and 8 Digital Inputs, 8 Digital Outputs, and 4 Analog Inputs. All the Analog Inputs have polarity and support 4 to 20mA Current-Loop, which makes this device more useful in industries. The RS485/USB/Ethernet host interface makes connecting this device to any Windows, Linux, Mac machines or embedded computers such as RPi an easy task. Meanwhile, support for industry-standard Modbus protocol makes it easy to use this device with almost any automation software that supports Modbus – RTU/TCP. RXE002 when RTU model connected to a host computer, is enumerated as a regular serial port. This alleviates the difficulty of working with the USB protocol and offers a transparent interface to access the device. RXE002 acts as a Modbus slave device. Flexible DIN Rail mounting system allows easy installation and removal with screws. RXE002 supports several features such as Relay Timer, Safety Timer (Watchdog), Programmable Power-On State, etc.
Features
- 4 SPST Relays rated up to 250V/7A each
- 8 Digital Inputs supports Maximum Input Voltage of 30V
- 8 Digital Outputs
- 4 Analog Inputs with 16-bit resolution and supports 4 to 20mA current-loop
- Compatible with most automation software in the market that supports Modbus RTU/TCP
- Features such as Relay Timer, the Watchdog timer for fail-safe operation, Configurable Power On states, etc.
- Write your own script or software with the help of a large number of sample code provided in various languages
- Detachable screw terminals for easy wiring and replacement
- 24V Power Supply (included)
Applications
- Home Automation
- Lighting Control
- Garden Equipment Control
- Industrial Automation
- Test Fixtures
- DIY and Hobby
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The Conveyor Belt Object Counter using LDR and 7-Segment Display with the 8051 microcontroller is designed to count objects passing in front of an LDR (Light Dependent Resistor) sensor. The system works by detecting light interruptions when an object crosses the sensor, causing a change in the LDR’s resistance. The microcontroller processes this change and increments an object count. The count is then displayed on a 7-segment display.