Serial to SDI-12 Protocol Converter

Serial to SDI-12 Protocol Converter

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Serial to SDI-12 Protocol Converter

The Serial to SDI-12 Protocol Converter (PDS-PC-UNI) has been developed to detect any parameter from an NMEA 0183 data stream or act as an RS485 Modbus Master, and convert it into the more easily digestible SDI-12 protocol.

• RS485 Modbus Master / NMEA 0183 compatible
• SDI-12 v1.3 compliant
• All SDI-12 data validated
• Low power consumption
• User selectable averaging
• Simultaneous readings of up to 10 serial data stream sentences

By utilising the intuitive configuration utility (Windows® software), the end-user can effortlessly load / save config files to the device. This enables ease of integration with a broad selection of serial-compatible sensors regardless of the parameter being monitored (depth / level, wind speed/direction, rainfall, temperature, humidity etc).

                                                                                   Includes Windows® configuration software

Multiple serial sensors can be streamed into a single data logger / PLC, as multiple protocol converters can operate on the same SDI-12 bus.
With simulatenous readings of up to 10 serial data stream sentences, user-defined thresholds can be set to trigger a control output (e.g. SMS / visual / audible alarm, turn a pump on/off etc) depending on the application.

The protocol converter accepts RS485 Modbus Master or NMEA 0183 data stream, parsing the selected parameter readings from the sensor(s) and making these available as SDI-12 values. The converter is fully SDI-12 V1.3 compliant and is capable of providing pass-through power to power the sensor directly.

All data parsed is checked for validity and a known constant value (-1) is output if the data is either invalid or the sensor is not connected, thus making data analysis easy.

Technical Specifications
Power Requirement:                 9-40VDC
Power Consumption:                 40mA
Signal Input:                            RS485 Modbus (Master) / NMEA 0183
Signal Output:                          SDI-12 v1.3
Default SDI-12 Address:            0
Warmup time (until valid data):  <5 seconds

Download the Serial to SDI-12 Protocol Converter brochure

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