Bachmann|AO208/I| Analog Input/Output Module

Description
The Bachmann AIO208 is a versatile analog input/output module offering 8 channels for measuring and outputting standard analog signals, suitable for industrial automation applications.

Features

• Provides 8 channels for analog inputs/outputs
• Supports various signal types including voltage, current, and temperature sensors
• Configurable via the SolutionCenter engineering tool
• High resolution with 16-bit input and 14-bit output

Technical Specifications

Channels

• Number of channels: 8
• Types: Analog inputs, outputs, temperature sensors

Signal Types

• Voltage input range: ±10 V to ±10 mV
• Current input range: 0(4) mA to 20 mA
• Temperature sensors: Pt100/Pt1000 (2-, 3-, 4-wire), thermocouples (J, K, T, N, E, R, S, B)
• Voltage output range: ±10 V
• Current output range: 0(4) mA to 20 mA

Resolution and Accuracy

• Input resolution: 16 bit with filter
• Output resolution: 14 bit
• Voltage accuracy at 25 °C:
  • Range ±10 V: ±0.05 % FS
  • Range ±1 V: ±0.05 % FS
  • Range ±100 mV: ±0.05 % FS
  • Range ±10 mV: ±0.2 % FS
• Current accuracy at 25 °C:
  • Range ±20 mA: ±0.1 % FS
  • Range 0 mA to 20 mA: ±0.2 % FS
  • Range 4 mA to 20 mA: ±0.2 % FS

Filter and Protection

• Adjustable filter from 4 kHz to 0.5 Hz per channel
• Overload and short circuit protection on all outputs
• External voltage proof up to ±24 V
• Galvanic isolation for system: 500 V

Environmental Conditions

• Operating temperature: -30 °C to +60 °C
• Storage temperature: -40 °C to +85 °C
• Relative humidity: 5 % to 95 % noncondensing

Power Supply

• Internal supply: Via BS2xx backplane
• Internal current consumption: 80 mA
• External voltage range: 18 V DC to 34 V DC
• Typical external current consumption at 24 V: 200 mA without external load