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AEG 170-BDI-344-00
- Product Introduction: AEG 170-BDI-344-00 is a compact, high-density 16-channel DC digital input module engineered for the Modicon Momentum series of modular industrial automation controllers, optimized for discrete signal acquisition in factory automation, building control, and process monitoring applications. The module is designed to detect dry contact and DC voltage signals from field devices such as limit switches, pushbuttons, and proximity sensors, with built-in surge protection and optical isolation to ensure reliable operation in high-noise industrial environments. It features a space-saving DIN rail mount design, plug-and-play connectivity, and real-time status diagnostics, making it a cost-effective solution for scalable digital input expansion in small to medium-scale automation systems.
- Technical Specifications:
- Number of Input Channels: 16 independent DC digital input channels, 2-wire connection
- Input Voltage Range: 24 V DC (18–30 V DC operating range)
- Input Type: Sinking (NPN) logic, dry contact compatible
- Input Current: 3 mA per channel at 24 V DC
- Response Time: <2 ms (on/off), configurable delay (0–100 ms) for noise filtering
- Isolation: 2500 V AC optical isolation (channel-to-backplane, channel-to-channel)
Detailed content
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- Protection Features: Surge protection (2 kV ESD), reverse polarity protection, short-circuit protection
- Status Indicators: Individual green LED indicators for each input channel (active signal)
- Communication Interface: Modicon Momentum Modbus RTU bus, 9600/19200/38400 bps configurable
- Power Supply: 24 V DC (bus-powered from Momentum controller), power consumption <1.0 W
- Mounting: DIN rail mount (35 mm standard), compact modular design
- Operating Temperature: -25°C to +60°C
- Storage Temperature: -40°C to +85°C
- Vibration Resistance: 5–50 Hz, 1 g acceleration (IEC 60068-2-6)
- Shock Resistance: 15 g, 11 ms duration (IEC 60068-2-27)
- Protection Class: IP20 (cabinet-mounted)
- Dimensions: 45 mm (W) × 100 mm (H) × 75 mm (D)
- Weight: 0.22 kg
- Compliance: IEC 61131-2, CE, UL 508, CSA C22.2 No. 142
- Functional Features:
- 16 high-density sinking input channels enable cost-effective acquisition of multiple discrete signals in a compact form factor, saving valuable control panel space in small to medium-scale automation systems.
- 2500 V AC full optical isolation between all channels and the backplane eliminates ground loops and electrical interference from industrial equipment such as VFDs and motors, ensuring accurate signal detection even in high-noise environments.
- Configurable input response delay (0–100 ms) provides adjustable noise filtering, allowing the module to ignore electrical transients and false signals from field wiring and sensors, improving system reliability.
- Individual LED channel status indicators deliver instant visual feedback on signal activity, enabling fast on-site troubleshooting and system commissioning without the need for additional diagnostic tools.
- 2 kV ESD surge protection and reverse polarity protection safeguard the module from electrical transients, wiring errors, and static discharge, extending the module’s service life and reducing downtime.
- Dry contact and 24 V DC sinking signal compatibility allows seamless connection to a wide range of industrial field devices, including mechanical limit switches, inductive proximity sensors, and pushbutton stations.
- Bus-powered operation from the Modicon Momentum controller eliminates the need for a separate power supply, simplifying wiring and reducing system component count.
- Plug-and-play modular connectivity with the Momentum series controller enables quick system expansion and module replacement, with no complex programming required for basic signal acquisition.
- Wide operating temperature range (-25°C to +60°C) and vibration resistance ensure reliable performance in harsh industrial environments, including unconditioned control cabinets and mobile equipment applications.
- Configurable Modbus RTU baud rate enables optimization of communication speed for different system sizes, balancing data transfer speed and network stability in distributed automation systems.
- Application Scenarios:
- Factory automation for discrete signal acquisition from limit switches, proximity sensors, and pushbuttons in packaging lines, assembly stations, and material handling conveyors.
- Building automation systems for monitoring contact status of fire alarm sensors, access control readers, and HVAC damper/valve position switches in commercial and industrial buildings.
- Food and beverage production for detecting the position of packaging machine components, conveyor belt sensors, and fill level switches in washdown-compatible control cabinets.
- Water and wastewater treatment for monitoring float switch status, valve position indicators, and pump run/stop signals in remote lift stations and treatment process lines.
- Automotive manufacturing for acquiring discrete signals from robotic workstation safety sensors, part presence detectors, and conveyor line limit switches in assembly plants.
- Small-scale process control for monitoring status signals from pressure switches, temperature switches, and flow switches in chemical and pharmaceutical batch processing systems.
- Mobile industrial equipment for signal acquisition from vehicle-mounted sensors and control switches, with rugged design for vibration and temperature fluctuations in construction and mining applications.
- Facility management for monitoring equipment status (on/off) of compressors, pumps, and fans in industrial and commercial building service systems.
