One of the biggest used car dealerships in the United Kingdom is using peer-to-peer I/O in their security system. Although a perimeter security system was already installed at each site, the client wanted to be able to monitor each location from the company headquarters.

Requirements
The company headquarters is located in London, and individual dealerships are scattered widely throughout the region. The headquarters needed to monitor over 10 locations from a single master alarm panel. Since each dealership already had a perimeter security system in place, the main issue was connecting those systems over the Internet to the master alarm panel in London. The client wanted a solution that satisfied the following requirements:

• Connects each alarm system to headquarters over Internet
• Works with the original system
• Able to be implemented with minimal training and wiring

Description
The existing alarm system at each dealership was connected to an ioMirror E3210, which transmitted I/O signals over the Internet to another ioMirror unit at headquarters. The ioMirror unit at headquarters connected to the master alarm panel, which displayed the status of each remote sensor as if it was physically connected. Since the ioMirror allows channel-to-channel mapping, only one unit was required at headquarters to receive signals from every location. No changes were required to the wiring architecture or alarm system, and no programming was required.

Project Implementation
ioMirror E3210 Peer-to-peer Ethernet I/O server with 8 digital inputs, 8 digital outputs

Why Moxa?

• No programming required
• Easy-to-use design
• Reliable peer-to-peer function with alarm system

Conclusion
Transmitting I/O signals over Internet can be a very effective and inexpensive solution. An existing IP network architecture can be used to transmit I/O signals, without additional wiring or programming. The ioMirror E3210 is very easy to install, with a well-designed HMI for configuration and monitoring. With the ioMirror, projects can be completed quickly and with less effort.

 

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