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USB 8 Opto-Isolated Digital Inputs Module

A USB interfaced eight channel opto-isolated digtial inputs module based on MCP2200 chipset. Suitable for kiosks systems, data acquisition, home automation applications, industrial automation, hobby projects. Supported by DRMv3 software and Denkovi Relay Command Line Tool, various software examples available.

Price: $62.90
Quantity: + -
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Features

  • USB port: type B
  • Chipset: MCP2200
  • Communication: USB HID
  • 8 opto-isolated digital inputs:
    • Dry contacts:
      • Logic level 0: Close to GND
      • Logic level 1: Open
    • Wet contacts:
      • Logic level 0: 0~3 VDC
      • Logic level 1: 10~30 VDC
  • Power supply: from USB port
  • Maximum current consumption from USB port: 250 mA
  • Leds: power, digital inputs
  • Selectable digital inputs leds mode: light up on high or low input level
  • DIN RAIL box IP20
  • Wall mounting option
  • Size: 94mm x 86mm x 31.5mm
  • Working temperature range: -40 to +80 °C
  • Supported by DRMv3 Software (Windows, Linux, Raspbian);
  • Supported by Denkovi Command line tool (Windows, Linux, Raspbian): Yes
  • Software examples - here
  • Documentation:  here

 

 

USB Cable

A USB cable is not included in the package, but it can be ordered separately from this link: http://denkovi.com/usb-cables

 

Application Examples

  • Kiosks;
  • Data acquisition;
  • Industrial automation;
  • Home automation;
  • Hobby projects.

 

Connecting sensors to USB 8 digital inputs

Connecting sensors to the USB 8 digital inputs module

 

Chipset

The device chipset is MCP2200.

Please note the device is not controlled via Virtual COM Port (Virtual Serial Port) although it may appear in the OS in such way! It is controlled via USB HID API or USB HID raw protocol!

We provide various software examples in different platforms how to access the device: here

 

Denkovi Relay Command Line Tool

 

Supported OS: Windows Linux Raspbian

 

The main goal of this project is to help you to use our USB relay boards easily and without any specific knowledge how do they work. This tool is actually shell for all our USB relay boards and it does not matter which is the relay board, the command is the same. Just type one command and the the tool will set, get relay status or even will take temperature value from the board sensor (if any). It can be integrated in other software and you don't need to know much about how the USB relay board protocol. With this tool it is like a "game" and it takes literally minutes to create for example PHP script and control the USB relay board from smartphone browser.

Typical applications for this software are:

  • Create desktop icons to turn particular relays
  • Create BAT/BASH files to make more complex logic (like timers for example)
  • The commands can be executed from PHP script
  • Control our USB relay boards from Android / iPhone mobile devices
  • The USB relays can be controlled from each software/platform which can run external executable files or commands in command line promt

Example commands:

LIST COMMAND - lists all devices connected to computer.

java -jar DenkoviRelayCommandLineTool.jar list 

 

STATUS COMMAND - display input(s) status(es).

java -jar DenkoviRelayCommandLineTool.jar 0001234567 8inv2 2 status

java -jar DenkoviRelayCommandLineTool.jar 0001234567 8inv2 all status

 

  • For more information - here
  • For download - here

 

 

Access via software DRMv3

This device is supported by DRMv3 Software.

The device can be found in the device list under the default name: USB 8 Digital Inputs

 

DRMv3

 

 

Links

 

 

Software Examples

  • Some of the source code demos are not public, and the download links will be sent to your ordering email after purchase or by request;
  • .NET - C#.NET, VB.NET and C++.NET examples how to read the inputs status using the 32bit Microchip MCP2200 API .dll libraries (managed and unmanaged).
  • C#.NET with hidsharp - example how to read the status of the inputs using hidsharp library via USB HID raw communication (x86 and x64)
  • LabVIEW - Example1 (using .NET library import or stdcall .dll import) - for labview 32bit only; Example2 (download): monitor the usb inputs using the Denkovi Relay Command Line Tool
  • JAVA -  Example how to set/get the USB4v2 Relays and I/O status (USB HID)
  • Python - github download (example how to communicate with the MCP2200)

 

 

Troubleshooting

  • Problem: The device is not shown in DRM Software and/or Command Line Tool.
  • Solution: Please check if the MCP2200 drivers are installed. Please update the Java Virtual Machine to the last and finally be sure you have the last version of the denkovi software.
  • Problem: I have done the above actions and the device is still not listed in DRM sofwtare and/or Command Line Tool.
  • Solution: Please check if you have some other HID compliant device and check if its drivers are not causing troubles for other HID devices.
  • Problem: I can not open .jar files.
  • Solution: Usually this is happening for Windows 10 most oftenly and that easily can be fixed using Jarfix tool for assing jar files to be opened with Java Virtual Machine.

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