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The Modbus protocol has two basic forms. The RTU or Binary form and the ASCII form. In RTU or binary form all the bytes transmitted in binary a binary format. Hence the protocol is more efficient and faster. ASCII on the other hand all the bytes are transmitted in the ASCII characters ‘0-9’ and ‘A-F’.
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This is the control interface for the KTA-223 device.
The KTA-223 is a USB or RS485 controlled IO module for interfacing PCs to real world applications, such as controlling lights and sprinkler systems, reading sensors and monitoring switches and other digital signals.
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Features:
- Connects to Davis Instruments DS7911 Anemometer
- Monitor both the wind speed and direction
- Interface to PLC's using the Modbus protocol
- Communicate via RS232 or 2-wire RS485
- Interface to PLC's/Instruments or other controllers using 4-20mA or 0-5V signals
- Generate relay alarms depending on the wind speed and direction
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