Bachmann AI0288 Analog Input Module
1. Product Description
A dedicated industrial analog input module designed for accurate acquisition of analog signals in automation and control systems. It features 8 analog input channels to collect various analog data (such as temperature, pressure, and flow) from sensors or field devices, and transmit the processed data to upper-level controllers (e.g., Bachmann MP226E) for real-time monitoring and control. With high measurement accuracy and strong anti-interference ability, it ensures reliable signal acquisition in harsh industrial environments.
2. Detailed Specifications
2.1 Input Performance
- Number of Channels: 8 analog input channels (isolated between channels)
- Input Signal Types: Configurable for 4-20 mA DC, 0-20 mA DC, 0-10 V DC, ±10 V DC (via software)
- Measurement Accuracy: ±0.1% of full scale (at 25°C ±5°C)
- Sampling Rate: Up to 100 Hz per channel (configurable)
- Input Impedance: ≥1 MΩ (for voltage signals); ≤25 Ω (for current signals)
2.2 Power Supply
- Input Voltage: 24 V DC ±20%
- Power Consumption: Typical 3 W, Maximum 5 W
- Power Protection: Overvoltage, undervoltage, and reverse polarity protection
2.3 Communication & Integration
- Communication Interface: 1×RS485 serial port (supports Modbus RTU protocol)
- Integration Compatibility: Compatible with Bachmann processors (e.g., MP226E) and mainstream industrial controllers
- Data Transmission: Supports real-time data upload to upper-level systems; maximum baud rate of 115200 bps
2.4 Operating Environment
- Operating Temperature: -40°C ~ +70°C
- Storage Temperature: -40°C ~ +85°C
- Relative Humidity: 5% ~ 95% (non-condensing)
- Vibration Resistance: 10-500 Hz, 2 g acceleration (compliant with IEC 60068-2-6)
- Shock Resistance: 30 g acceleration, 11 ms duration (compliant with IEC 60068-2-27)
- EMC Compliance: EN 61000-6-2 (industrial immunity), EN 61000-6-4 (industrial emissions)
2.5 Physical Dimensions
- Size: 110×75×28 mm (Length×Width×Height)
- Mounting Type: DIN rail mounting (compatible with EN 50022 standard)
- Weight: Approximately 120 g
2.6 Software Support
- Configuration Tool: Compatible with Bachmann Studio (version 4.0 and above) and third-party Modbus configuration software
- Calibration: Supports on-site zero and full-scale calibration via software; no need for manual potentiometer adjustment
3. Advantages & Features
- Multi-Channel & Flexible Input: 8 analog input channels with configurable signal types, adapting to diverse sensor requirements.
- High Measurement Accuracy: ±0.1% full-scale accuracy ensures precise data acquisition for critical control processes.
- Strong Anti-Interference: Isolated channels and EMC compliance reduce the impact of electromagnetic interference in industrial sites.
- Easy Integration: Seamless connection with Bachmann processors and support for Modbus protocol simplify system deployment.
- Low Power Consumption: Typical power consumption of 3 W helps reduce overall system energy costs.
4. Application Fields
- Industrial Automation: Acquisition of temperature, pressure, and flow signals in production lines; monitoring of equipment operating parameters.
- Process Control: Data collection for chemical reactors, petroleum pipelines, and pharmaceutical mixing tanks; support for closed-loop control.
- Smart Manufacturing: Integration with IoT sensors to collect analog data for intelligent production scheduling and quality analysis.
- Energy Monitoring: Acquisition of current, voltage, and power signals in power distribution systems; energy consumption statistics.
- Environmental Monitoring: Collection of analog signals from gas sensors, liquid level sensors, and temperature/humidity sensors in environmental protection projects.
5. Precautions
- Installation: Install on a flat, clean DIN rail; avoid direct sunlight, oil, or corrosive gas; ensure proper spacing from high-heat devices.
- Wiring: Confirm signal type (current/voltage) before wiring; use shielded cables for input signals to reduce interference; tighten terminal screws to prevent poor contact.
- Power Supply: Use a regulated 24 V DC power supply; do not exceed the maximum voltage range; check polarity before power-on.
- Calibration: Perform regular calibration (recommended every 6-12 months) to maintain measurement accuracy; calibrate in a stable temperature environment (20°C ~ 30°C).
- Maintenance: Do not disassemble the module; if a fault occurs, power off first and contact professional technical support


- The structure and details of the product:

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