Articles Archives - 2012

ICP DAS USA provides technical articles to help you find your Industrial Control and Data Acquisition needs.

Low Powered Data Acquisition Equipment

Types of Low Powered Data Acquisition Equipment

Low power consumption and low power input data acquisition equipment is useful for portable solar powered applications that can be installed in remote locations like out in a desert, field or on the ocean as standalone systems. It can communicate over different mediums and protocols like Modbus RTU, Ethernet, Modbus TCP, and Zigbee communication. Low power data acquisition equipment is low maintenance, robust and flexible for many different kinds of applications. Solar powered applications usually provide 12VDC for powering devices.

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Improving Data Communication Signals

3 Types of Serial to Ethernet Converters

Serial to Ethernet converters can help bring a serial device like a generator or card reader to communicate back with a central system through the Internet. Some serial to Ethernet devices can convert Modbus RTU to Modbus TCP or can run a small program that helps with timing or with passing information back to a central system. Serial to Ethernet converters come with different RS-232, RS-422 or RS-485 port combinations. Serial to Ethernet Device Servers allow Ethernet and Internet connectivity to any serial device. Serial to Ethernet Device Servers have an IP address so you can communicate with them over the Ethernet network. They have a web server inside for configuration and status. Virtual serial COM ports are set up with the VxComm driver and utility software. The built in COM port of the serial to Ethernet can be virtualized to a standard PC COM port in Windows operating system environments.

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Ticket Management System M2M Application

Green Solar Monitoring Technology

Photovoltaic systems use solar panels to convert energy from sunlight into electricity. Solar power monitoring systems consist of solar panels, power inverters, current input sensors with AC/DC inputs, analog input modules, communication converters and monitoring software. They provide detailed status information like kwh and temperature. The information can also be logged so reports can be pulled up as necessary. PV Systems can be hard wired, wireless or internet based and can provide power monitoring solar station information.

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Ticket Management System M2M Application

Ticket Management Systems

Ticket management systems automate, centralize, and streamline the ticket management process. On board memory allows ticket management systems to retrieve, store and collect data. Printers allow for printing of tickets, cameras can grab images, and card readers or barcode scanners can grant access to cardholders. Cellular modems can bring local data back to a central system over the internet using the cellular network. Controllers can help automate the ticket process since it can implement control logic. The controller can allow users to scan their card or ticket with a card reader or barcode scanner. An IP camera attached to one of the controllers Ethernet ports can grab the user’s image which can be stored in the local database in the controller. The controller can look up the card holder’s information in the database and print out a ticket or receipt as needed. The data can get sent periodically back to an administrative center over the cellular network with a cellular modem.

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Electric Vehicle Charging Station M2M Applications

Electric Vehicle Charging Station M2M Applications

Electric vehicles like electric cars, electric motorcycles and electric scooters are becoming a more a popular type of transportation. They are usually quieter and mechanically simpler than internal combustion engine vehicles. The cost of recharging is much less than gasoline; it is like paying 60 cents per gallon of gas. Electric vehicles are typically directly powered by external power stations that are powered by stored electricity. Electric vehicle charges may take up to a few hours for normal everyday usage.

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3 C Language based Controllers Article

3 Ladder Logic based Embedded Programmable Controllers

Ladder Logic is a widely used programming language based on circuit diagrams of relay logic hardware. It can be used to develop software for programmable logic controllers (PLC’s). The programs resemble ladders with two vertical rails on each side with horizontal rungs between them. Each rung of a ladder typically has a coil on the far right. There are different types of coils that represent whether a rung is closed or open. There are also different types of contacts for coils that represent whether a contact may be open or closed depending on the input. Function blocks are often available to help with implementing arithmetic operations or complex functions.

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3 C Language based Controllers Article

3 C Language based Embedded Programmable Controllers

C Language programming is one of the most widely used computer programming languages. It can be used for general purpose or advanced applications. It can implement flow control, arithmetic and logic operations, functions and more. There are many kinds of controllers with different kinds of connectivity that can be programmed in C Language. Linux based controllers like LP-5131 can be programmed in C Language. MiniOS7 is a DOS-like operating system and runs in G-4500-3GWA, a wireless controller which can be programmed in C Language. uPAC-7186EX-FD-X305B is also a C Language programmable controller that has a MiniOS7 operating system. It is small and din rail mountable.

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Ethernet based Valve Control Article

Ethernet and Internet Based Industrial Valve Control Systems

Ethernet or Internet based valve control systems are convenient since they allow you to access your control system at any time. They are easy to set up since Ethernet cabling is now usually pre-installed in most buildings. You may need to open or close a valve based on a schedule or conditions. You can set up the valve control system to open or close based on logic or you can access the system remotely and manually open or close a valve. There are different ways you can implement such a system.

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M2M Tracking Applications

M2M Vehicle Tracking Applications

Vehicle tracking allows you to visually see the location of vehicles out in the field on a map. Vehicle tracking can help increase productivity, efficiency, and customer satisfaction. It can ensure deliveries are made in a timely manner, despite traffic or other delays. Tracking systems can eliminate wasted time and lower fuel and maintenance costs. Important information like stops can be logged. Alarm conditions like when a stop is over a certain time limit can trigger an email or text message to be sent out to the proper personnel.

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Wireless Technology

Technology for Wireless Agriculture Systems

Farming has become more efficient with high-tech machinery and communication systems. M2M (machine-to-machine) technology has helped farmers to increase their production with monitoring and control systems. Farmers can review the status of their crops and weather conditions through a PC or cell phone and can take immediate action remotely. They can remotely do things like turn an irrigation system on or off, monitor moisture levels, and monitor temperature.

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