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BACHMANN AIO288 Analog Input/Output Module

Product Overview

The BACHMANN AIO288 is a versatile analog input/output module featuring 8 analog input channels and 8 analog output channels. Designed for industrial automation systems, it provides high-precision signal conversion with 14-bit resolution and supports various sensor types including voltage, current, and temperature inputs (Pt100/Pt1000) .

Key Specifications

Input Channels (8 channels)

• Input Types:

  • Voltage: ±1V or ±10V (input impedance >100kΩ)

  • Current: 0-20mA (input impedance 243Ω)

  • Temperature: Pt100/Pt1000 (2-wire or 4-wire connection)

• Resolution: 14-bit

• Accuracy:

  • ±0.05% of range for voltage inputs

  • ±0.1% of range for current inputs

  • ±0.1% (600K) for temperature inputs

• Sampling Time: 200μs

• Features:

  • Wire break detection

  • Overload protection

  • Channel-to-channel isolation

Output Channels (8 channels)

• Output Types: ±10V

• Resolution: 14-bit

• Accuracy: ±0.025% of range

• Settling Time: 400μs

• Features: Short-circuit protection

General Specifications

• Isolation: 500V system isolation

• Power Supply: Supports up to 4 potentiometers

• Temperature Range: -100°C to +500°C for Pt inputs

• Certifications: RoHS, CE compliant 

Key Features

1. Dual Functionality: Combines 8 analog inputs and 8 analog outputs in a single module 

2. Flexible Connections: Supports both single-ended and differential connections 

3. High Precision: 14-bit resolution ensures accurate measurement and control 

4. Comprehensive Monitoring: Includes wire break detection, overload monitoring, and power supply supervision 

5. Temperature Measurement: Direct connection for up to 4 Pt100/Pt1000 sensors 

6. Robust Design: Industrial-grade construction suitable for harsh environments 

7. Fast Response: 200μs sampling time enables quick system response 

Typical Applications

• Wind turbine control systems 

• Industrial process automation 

• Distributed control systems 

• Temperature monitoring systems 

• Analog signal conditioning

• Test and measurement equipment 

Installation and Usage Notes

1. Wiring:

   • Use proper shielding for analog signals

   • Follow manufacturer's guidelines for Pt100 sensor connections (2-wire or 4-wire) 

2. Configuration:

   • Set channel modes appropriately in SolutionCenter software 

   • Verify input/output ranges before operation

3. Environmental:

   • Ensure proper ventilation

   • Avoid extreme temperature conditions beyond specifications

4. Safety:

   • Disconnect power before installation

   • Observe proper grounding techniques 

5. Maintenance:

   • Regularly check for firmware updates

   • Periodically verify calibration

The structure and details of the product：

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