RS-485, Modbus RTU Analog input module
WB-MAI11
11 inputs for analog sensors

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Designed to measure voltage, current, resistance, temperature; connect signals of "dry contact" and "open collector" types.
The input mode is selected when configuring the device. The module is managed from the controller or PC via RS-485 bus by MODBUS commands.
TECHNICAL PARAMETERS
MEASURED VALUES
- Voltage relative to +5V (differential or normal mode)
- Voltage (differential or normal mode)
- Resistance (differential or normal mode) for two-wire and three-wire circuits
- Current (normal mode only)
- Resistance through current measurement (only in normal mode)
- Temperature (via thermocouples [J, K, T] or resistance thermometers[Pt100, Pt1000])
- Signals from ratiometric sensors or variable resistors
OTHER CHARACTERISTICS
- Supply voltage: 12 to 24 VD
- C onnection of "dry contact" and "open collector" signals
- DIN-railed mount, 6 modules
- Dimensions: 106.25×90.2×57.5 mm
ADVANTAGES
- 11 differential or 22 normal measurement channels
- does not require additional external pull-up/pull-up resistors
- Interface: RS - 485, Modbus RTU