AIO208

Overview

The Bachmann AIO208 is a universal analog I/O module with 8 configurable channels supporting analog input, analog output, and temperature measurement, ideal for high-speed and high-precision industrial applications.

Channel Configuration

• Total Channels: 8

• Modes per Channel:

  • Analog input

  • Temperature measurement (Pt elements, thermocouples)

  • Analog output

  • SYNC signal:

    • In for analog input and temperature

    • Out for analog output

Analog Input Specifications

• Digital Resolution: 16-bit

• Measuring Range: ±105% of nominal range

• Common Mode Voltage: Max ±1 V

• Refresh Cycle Time: 100 µs

• Cut-off Frequency: Adjustable from 4 kHz to 0.5 Hz (per channel)

• Filter Slope: > 80 dB/decade

• Input Impedance: > 100 kΩ

• Measuring Range Monitoring: Lower/upper limits with error status reporting

Temperature Measurement

• Supported Sensors:

  • PTC

  • Pt100 / Pt1000

• Connection Technology: 2-, 3-, or 4-wire

• Temperature Range: -100°C to +800°C

• Accuracy at 25°C: 0.15% of 900°C range

• LSB Value: 0.1 K (measured in 1/10 Kelvin)

Analog Output Specifications

• Output Range:

  • ±10 V

  • 0/4 mA to 20 mA

• Digital Resolution: 14-bit

• SYNC Output: Supported

Additional Features

• Signal Isolation: Yes

• Threshold Monitoring: Configurable

• Universal Input/Output Support:

  • ±10 V, ±20 mA, 0/4–20 mA, Pt, TC

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