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Building Automation

Building Automation

One of the difficulties in automating process control is dealing with specialized hardware and difficult programming requirements. Moxa products are designed with open standards and developer-friendly features, making it much easier to integrate almost any type of sensor, device, or machine into an automation system.

1. Serial-to-Fiber Converters for Surveillance Systems in Factories
2. Maximizing Energy Efficiency with Embedded Computers

Serial-to-Fiber Converters for Surveillance Systems in Factories

After the September 11 terrorist attacks, surveillance systems have been increasingly deployed for greater security in both public and private facilities. In addition to intrusion detection, many companies use surveillance systems for remote monitoring in locations where it may be harmful for people to stay for an extended period of time. PTZ (pan, tilt, zoom) cameras provide system administrators with a key tool for controlling the focus and viewpoints of an on-site camera. System administrators can operate PTZ cameras by RS-485 signals from distances up to 1.2 kilometers away. However, copper cabling for such an application can be quite expensive and risks potential data loss from electromagnetic interference.

Optical fiber cables offer a preferable wiring option that is both immune to electromagnetic interference and capable of longer distance communication than copper wires. Moxa's TCF-142 series media converters provide an easy way to connect serial interface PTZ cameras to a fiber network, and are ideal for both standalone and distributed systems. System administrators will also require a high-density solution at the control center to save space. Moxa's NRack System can connect up to 19 converters and only requires a single power source. By converting serial data for transmission over an Ethernet network, Moxa's NPort 6650 allows system administrators to use a UTP cable to monitor and control all PTZ cameras remotely.


8, 16, and 32-port RS-232/422/485 rackmount terminal servers
RS-232/422/485 to optical fiber media converters
Rackmount chassis for the NRack System

Cellular Backup Network for Security Systems

Security and communications systems combine voice, data and video within a structured system that often includes access control. Access control identifies users and limits their access according to defined authorization rules. Technologies employed in these applications include facial recognition, card readers, keypads and computer-activated locks, door panels, and more. Telephone entry control, plastic identification (ID) cards, video ID equipment, radio frequency identification (RFID) tags, and fingerprint recognition technologies are also available for use with building security and communications systems. Due to the mission-critical nature of these applications, network redundancy is essential in case the primary network fails or is disabled by an intruder.

Application Requirements
• Integration with the building's existing Ethernet network for secured access and central monitoring
• Network redundancy to backup the security system in case the Ethernet network goes down
Moxa's solution used the building's existing Ethernet network as the primary backbone and a cellular network for the backup solution. The OnCell 3100 series IP modem was used to develop the cellular network. A reliable backup system is extremely crucial because if the Ethernet network goes down and the security monitoring company is not instantly notified of the disruption, a robbery can occur during the interval. Therefore, power redundancy is also an important requirement for this project. Moreover, the OnCell 3100 series IP modem provides a relay function that includes 2 digital inputs and an alarm contact.


Industrial quad-band GSM/GPRS/EDGE IP gateways with VPN


Designed by Alipix Creative Design Studio