Long-distance wireless transmission of analog contacts is possible using sub-gigahertz wireless.
The LA-2R3A-SG is an IO unit that can monitor and control 3 analog input points and 2 relay output points. By using a gateway device, it is easy to measure and record the analog values of voltage and current from a PC using the included software, and it is also possible to monitor and control the LA-2R3A-SG located remotely using dedicated commands from user applications. It can be operated without being aware of the constraints such as communication speed and transfer pause time under the SUB-GHz wireless standard, and in high-speed mode, control and monitoring signals can be transmitted up to 2 km in line of sight, while in long-distance mode, signals can be transmitted up to 7 km in line of sight.
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basic information
● No wireless license or qualification is required for installation ● Built-in high-precision analog processing circuit ● Analog input with 350V isolation between channels ● Input range selectable for each channel ● Capable of transmitting and reproducing analog signals to the LA-3A3PP-SG connected in opposition ● Extends wireless distance further by placing a relay device ● Can be used as a master unit, slave unit, or relay unit ● Data encryption function protects against data leakage ● Equipped with a USB port for settings ● Low power consumption, bus-powered, compatible with wide DC power supply ● Options available for 35mm DIN rail mounting or magnetic fixation
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Applications/Examples of results
■Long-distance extension and optimal for distributed placement By utilizing sub-giga wireless communication in the 920MHz band, long-distance communication exceeding 1km is achieved. This allows for long-distance connection extensions that were not possible with the conventional wireless LAN IO series. The palm-sized compact housing, specialized for small-scale control applications, is also ideal for remote control applications where the control targets are dispersed over a wide area and the number of required points per location is not high. ■PC-less input extension function using sub-giga wireless By connecting oppositely through sub-giga wireless, the signal state on the input unit side can be extended as the state of the output terminals of the connected output unit without using a computer. ■Development of unique control systems possible Input/output function libraries for C++ and C# languages, as well as sample programs with source code, are provided, allowing for the rapid development of unique control systems that can interface with other software running on a PC.
Company information
LineEye Inc. is a venture company established by former members of the electronic device development team at Sekisui Chemical Co., Ltd., with investment from the Sekisui Venture Fund. Since October 2000, the electronic device business of Sekisui Electronics Co., Ltd. has been succeeded by LineEye Inc. The company is well-known for its user-friendly compact communication measuring instruments in the "LineEye" series and its communication converters in the "SI" series, which offer flexible system compatibility.
