AEG AS-BDAP-208 Modicon AS-BDAP-208 8-Channel Analog Input Module
- Product Introduction: AEG AS-BDAP-208 is a cost-effective 8-channel analog input module for the Modicon 800 series PLC systems, designed for general-purpose analog signal acquisition in industrial automation, process control and building automation applications. The module supports all mainstream industrial analog input signals, with built-in signal conditioning and electrical isolation, delivering reliable and accurate analog data for non-critical process monitoring and control. It features a compact modular design, simple configuration and seamless integration with Modicon 800 series PLC chassis, making it an ideal solution for medium-density analog input applications requiring a balance of performance and cost-effectiveness.
- Technical Specifications:
- Number of Channels: 8 independent analog input channels (2-channel groups isolated, channel-to-backplane isolated)
- Input Signal Types: Software-configurable per group – 4-20 mA DC, 0-10 V DC, 0-20 mA DC, 1-5 V DC (4 standard industrial signals)
- Resolution: 14-bit (all signal types)
- Accuracy: ±0.2% of full scale (25°C); ±0.3% of full scale (-25°C to +70°C)
Detailed content
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- Input Range: 4-20 mA (0-20.00 mA); 0-10 V (0.00-10.00 V); 0-20 mA (0-20.00 mA); 1-5 V (1.00-5.00 V)
- Input Impedance: 250 Ω (current input); >1 MΩ (voltage input)
- Isolation Voltage: 1500 V AC (channel group-to-channel group); 2500 V AC (channel-to-backplane bus)
- CMRR: >100 dB (@50/60 Hz)
- Sampling Rate: 5 samples per second (sps) per channel
- Digital Filter: Fixed 1st order filter (0.1 s time constant) for noise reduction
- Communication: Modicon 800 series proprietary backplane bus, <1 ms data transfer latency
- Programming: Supported by Modicon 800 series PLC programming software, simple signal scaling and configuration
- Power Supply: 24 V DC (derived from PLC chassis), power consumption <1.8 W
- Operating Temperature: -25°C to +70°C
- Storage Temperature: -40°C to +85°C
- Protection Class: IP20 (cabinet-mounted)
- Dimensions: 80 mm (W) × 160 mm (H) × 60 mm (D)
- Weight: 0.65 kg
- Compatibility: Modicon 800 series PLC chassis (AS-B800/810/820), remote I/O racks (AS-P890/AS-J892)
- Functional Features:
- 8 analog input channels in a single compact module provides medium-density signal acquisition, reducing the number of modules required and saving chassis space
- Software-configurable signal types per 2-channel group supports mixed signal usage (current/voltage) in a single module, maximizing system flexibility for general-purpose applications
- Built-in signal conditioning and isolation eliminate common-mode interference and ground loops, ensuring reliable analog data acquisition in industrial electrical environments
- 14-bit resolution and ±0.2% accuracy deliver sufficient precision for general-purpose process monitoring and non-critical control applications (e.g., building automation, basic process control)
- Fixed digital filtering provides effective noise reduction for standard industrial sensors, without the complexity of configurable filtering
- Simple configuration via Modicon 800 series programming software with intuitive signal scaling tools, reducing setup time for on-site engineers
- 2-channel group isolation balances cost and performance, providing isolation between different signal sources while maintaining a cost-effective design
- High input impedance for voltage signals minimizes signal loading and loss, ensuring accurate readings from low-power sensors
- 250 Ω precision shunt resistor for current signals enables direct connection to 4-20 mA transmitters without additional external components
- Built-in overvoltage protection (±30 V DC) on all input channels prevents module damage from faulty sensor wiring or electrical surges
- LED power and module status indicators provide basic visual diagnostics, simplifying initial setup and fault detection
- Seamless integration with Modicon 800 series remote I/O racks enables distributed analog input acquisition, reducing cable runs and signal interference in large-scale systems
- Low power consumption (<1.8 W) reduces energy usage in control cabinets, complying with industrial energy efficiency standards
- Rugged industrial design with wide operating temperature range ensures reliable operation in harsh industrial and building automation environments
- Cost-effective pricing makes it an ideal solution for high-volume, general-purpose analog input applications (e.g., factory automation, commercial building HVAC)
- Application Scenarios:
- Building automation for monitoring temperature, humidity, pressure and CO2 levels in commercial and industrial buildings (HVAC/BMS)
- General-purpose factory automation for monitoring sensor data from conveyors, pumps and mixers (non-critical process control)
- Food and beverage production for basic temperature and level monitoring of storage tanks and processing lines
- Water and wastewater treatment for medium-density monitoring of flow, level and pressure in secondary treatment processes
- Agriculture for monitoring soil moisture, temperature and irrigation pump pressure in farm automation systems
- Retail and commercial facilities for monitoring refrigeration system temperature, air flow and water pressure
- Small-scale chemical processing for basic process parameter monitoring (temperature, level) in non-critical production steps
- Power distribution for monitoring current, voltage and power factor in low-voltage distribution systems (basic energy monitoring)
- Industrial refrigeration for monitoring temperature and pressure in cold storage and chiller systems
- Facility management for monitoring equipment status (motor temperature, pump pressure) in industrial and commercial facilities (preventative maintenance)












