- Supports pulse counting for rain gauges and anemometers.
- Dedicated analog input for wind vane (potentiometer or voltage output).
- Multiple general-purpose analog inputs for versatile sensor support.
- Designed for low power operation with sensor supply switching.
- Real-time clock and supercapacitor buffering for pulse accuracy.
- Plug-and-play SDI-12 interface with easy integration.
- Available in IP67 or DIN-rail housing options.
- Enhanced functions for wind speed averaging and min/max calculation.
- Suitable for mixed analog and pulse sensor applications
TBS02PA
SDI-12 Pulse/Analog Interface
The TBS02PA is a SDI-12 interface board for the connection of a rain gauge, an anemometer and a wind vane. Furthermore it provides 3 general purpose analog inputs with a range of 0-1V, 0-2,5V, 0-5V and a 4…20mA current input. The ADC provides a resolution of 12 Bit. The pulse count inputs are supported by a real time clock circuit, buffered with a super-capacitor. It is capable of holding the time for more than 6 month after the last measurement.The interface board supports both passive and active anemometers with pulse outputs. The 12V supply lines for attached sensors are only switched on during the measurement in order to minimize current consumption.
Features
Key capabilities and advantages
Specification
Technical specifications and parameters
| Interface | Analogue to SDI-12 |
| ADC Channels | 4 + 1 channel, 24-bit Sigma-Delta |
| Input Types | 4–20 mA / 0–2.5 V (configurable) |
| Temperature Input | PT100 / PT1000 (3-wire) |
| Line Rejection | 50 Hz & 60 Hz |
| Reference Accuracy | ±0.025%, 2 ppm/°C |
| Signal Conditioning | Built-in, chopper stabilized buffer |
| Calibration | Gain & offset configurable (polynomial scaling) |
| Sensor Power Control | SDI-12 controlled |
| SDI-12 Standard | Version 1.3 |
| Supply Voltage | 6–16 V DC |
| Operating Temperature | −40 °C to +85 °C |
| Housing | IP67 Fibox or DIN-rail |
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