Digital guide

You are here:

AEG AS-BADU-205

  • Product Introduction: AEG AS-BADU-205 is a versatile 8-channel universal analog input module designed for the Modicon 800 series PLC systems, engineered to acquire a wide range of analog signals from industrial field sensors and transmitters in process control and automation applications. The module supports software-configurable input types (current, voltage, resistance, thermocouple, RTD) on a per-channel basis, eliminating the need for multiple dedicated analog input modules and reducing system complexity. It features high-precision signal conditioning, full channel-to-channel optical isolation, and advanced noise rejection, delivering accurate and stable analog data even in high-noise industrial environments. The module integrates seamlessly with the Modicon 800 series backplane bus, with built-in fault detection and LED status indicators, making it an ideal solution for multi-parameter process monitoring in chemical, pharmaceutical, manufacturing, and municipal infrastructure applications requiring flexible analog signal acquisition.
  • Technical Specifications:
    • Number of Input Channels: 8 fully isolated channels, software-configurable per channel
    • Supported Input Types: 4-20 mA, 0-20 mA, 0-10 V DC, 0-5 V DC, 1-5 V DC, Pt100/Pt1000 RTD, J/K/T/E/R/S/N thermocouple, 0-1000 Ω resistance
    • Resolution: 16-bit ADC for all input types, 0.01°C resolution for temperature measurements
    • Measurement Accuracy: ±0.1% of full scale (current/voltage), ±0.2°C (RTD), ±0.3°C (thermocouple @25°C)

Detailed content

    • Input Impedance: >10 MΩ (voltage), 250 Ω (4-20 mA current), >1 kΩ (resistance/RTD)
    • Isolation: 2500 V AC optical isolation (channel-to-channel, channel-to-backplane bus)
    • CMRR: >130 dB (@50/60 Hz), >90 dB (@1 kHz)
    • Sampling Rate: 10 samples per second (sps) per channel, simultaneous sampling
    • Cold Junction Compensation (CJC): Built-in high-precision thermistor (±0.1°C accuracy) for thermocouple inputs
    • Fault Detection: Automatic open circuit, short circuit, overrange/underrange detection, signal loss alarm
    • Status Indicators: Global power LED, individual channel activity/fault LEDs (green/red)
    • Backplane Interface: Modicon 800 series proprietary bus, 10 Mbps data transfer rate, <1 ms latency
    • Power Supply: 24 V DC (18–30 V DC) from PLC chassis, power consumption <2.0 W
    • Operating Temperature: -25°C to +70°C, storage temperature -40°C to +85°C
    • Vibration Resistance: 5–50 Hz, 0.5 g acceleration (IEC 60068-2-6)
    • Shock Resistance: 10 g (11 ms, IEC 60068-2-27)
    • Protection Class: IP20 (cabinet-mounted)
    • Dimensions: 80 mm (W) × 160 mm (H) × 60 mm (D)
    • Weight: 0.65 kg
    • Compliance: IEC 61131-2, CE, UL 508, RoHS
  • Functional Features:
    • 8 software-configurable universal input channels enable mixed signal acquisition (current, voltage, temperature, resistance) on a single module, maximizing system flexibility and reducing hardware costs for multi-parameter process monitoring.
    • 16-bit high resolution and ±0.1% full-scale accuracy deliver precise analog data acquisition, critical for tight process control in pharmaceutical, chemical, and semiconductor manufacturing applications.
    • 2500 V AC full optical isolation between all channels and the backplane bus eliminates ground loops and electrical interference from industrial equipment (VFDs, motors, high-voltage lines), ensuring signal integrity in high-noise environments.
    • Built-in high-precision CJC for thermocouple inputs eliminates the need for external cold junction compensation modules, ensuring accurate temperature measurements in all environmental conditions.
    • Simultaneous 10 sps sampling per channel provides real-time analog data for dynamic process control, enabling fast response to process deviations in continuous and batch manufacturing processes.
    • Automatic fault detection (open/short circuit, overrange) triggers real-time alarms to the PLC CPU, with individual channel LED indicators for quick on-site troubleshooting and fault identification.
    • Ultra-high CMRR (>130 dB @50/60 Hz) rejects electrical noise from industrial power grids and field wiring, ensuring stable signal acquisition even with long cable runs (100+ meters) in large industrial facilities.
    • Seamless integration with the Modicon 800 series backplane bus enables plug-and-play installation and high-speed data transfer with the PLC CPU, with no complex configuration required for basic operation.
    • Low power consumption (<2.0 W) reduces the overall power draw of the PLC chassis, complying with industrial energy efficiency standards and minimizing heat generation in control panels.
    • Wide operating temperature range (-25°C to +70°C) and vibration resistance ensure reliable performance in harsh industrial environments, including unconditioned control cabinets, outdoor installations, and high-temperature manufacturing plants.
    • Support for standard industrial sensors (4-20 mA transmitters, Pt100 RTDs, J/K thermocouples) enables seamless connection to field devices, with no additional signal conversion components required.
  • Application Scenarios:
    • Chemical and petrochemical processing for multi-parameter monitoring of reactor pressure, temperature, flow, and level, with mixed signal acquisition (4-20 mA current, thermocouple temperature) on a single module.
    • Pharmaceutical manufacturing for GMP-compliant batch process control, with precise acquisition of pH (0-10 V), temperature (RTD), and pressure (4-20 mA) signals in bioreactors and fermenters.
    • Food and beverage production for monitoring pasteurization temperature (thermocouple), fill level (4-20 mA), and conveyor speed (0-10 V) in packaging and processing lines, with accurate signal acquisition for consistent product quality.
    • Water and wastewater treatment for measuring flow rate (4-20 mA), pH (0-5 V), dissolved oxygen (4-20 mA), and tank level (0-10 V) in treatment processes, with noise rejection for industrial plant electrical environments.
    • Power generation for monitoring turbine bearing temperature (RTD), generator winding temperature (thermocouple), and cooling water flow (4-20 mA) in power plants, with real-time data for preventative maintenance.
    • Manufacturing machinery for acquiring position (0-10 V), load (4-20 mA), and temperature (thermocouple) signals in CNC machines, robotic workstations, and metalworking equipment, enabling precise process control.
    • Building automation for monitoring HVAC air temperature (RTD), humidity (4-20 mA), and air flow (0-10 V) in large commercial and industrial buildings, with flexible signal acquisition for mixed sensor types.
    • Mining and mineral processing for measuring crusher load (4-20 mA), conveyor bearing temperature (RTD), and material level (0-10 V) in mine sites, with rugged design for vibration and temperature fluctuations in harsh environments.

You may also like