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AEG AS-B838-032 Digital Input Module
- Product Introduction: This is a 32-channel high-density 24 VDC digital input module of the AEG Modicon 800 series, engineered for collecting a large number of 24 VDC digital switching signals from industrial field devices such as limit switches, pushbuttons, proximity sensors and photoelectric sensors. It features a high-density channel design, which greatly saves the installation space of the PLC chassis, and converts field digital signals into logic signals recognizable by the PLC CPU, serving as a core module for large-scale digital signal acquisition in industrial automation control systems with a large number of input points.
- Technical Specifications:
- Input Channels: 32 independent 24 VDC digital input channels, divided into 4 common groups of 8 channels each.
- Input Type: Sinking input (NPN type), support dry/wet contact input, compatible with most 24 VDC field switching devices.
- Input Voltage: 18-30 VDC; Turn-on Threshold: 11-15 VDC; Turn-off Threshold: 0-5 VDC.
- Input Current: 2 mA at 24 VDC; Response Time: ≤10 ms (on and off), support adjustable filter time (1-100 ms).
Detailed content
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- Isolation: 2500 VAC electrical isolation between channels and backplane bus, 1500 VAC isolation between common groups.
- Power Supply: 24 VDC, power consumption ≤5 W, voltage tolerance ±15%.
- LED Indicators: Independent LED status indicator for each channel (green for on), overall power and fault indicators (red).
- Operating Temperature: -25°C to +70°C; Storage Temperature: -40°C to +85°C; Protection Rating: IP20.
- Dimensions: 160mm × 160mm × 50mm (W×H×D); Mounting: Standard 35mm DIN rail mounting.
- Functional Features:
- 32-channel high-density design realizes the collection of a large number of digital input signals with a single module, greatly reducing the number of modules used in the PLC chassis and saving the installation space of the control cabinet, suitable for industrial automation systems with a large number of input points such as automated assembly lines.
- Sinking input (NPN type) is compatible with most 24 VDC field digital sensors and switching devices, with strong compatibility, and supports both dry and wet contact input, adapting to different field signal output types.
- Adjustable input signal filter time (1-100 ms) can be flexibly set according to the industrial field environment, effectively filtering out high-frequency interference pulses in harsh interference environments and avoiding misoperation of the control system caused by interference signals.
- 2500 VAC high-voltage isolation between channels and backplane bus and intra-group isolation effectively suppress industrial field electromagnetic interference, prevent fault spread between different groups, and ensure the stability and reliability of large-scale digital signal acquisition.
- Independent LED status indicator for each channel realizes visual monitoring of the on/off status of 32 input signals at a glance, facilitating quick troubleshooting of field device and wiring faults, and improving the efficiency of on-site maintenance.
- Fast signal response time (≤10 ms) ensures real-time collection of field digital signals, meeting the high real-time requirements of industrial automation control systems for digital signal acquisition such as fast positioning and interlock protection.
- Group-based power supply design allows independent power supply for each common group, preventing the entire module from failing due to a single group power supply fault, and improving the fault tolerance and reliability of the module.
- Screw terminal wiring method with clear channel and group marking ensures firm and reliable wiring, reduces wiring errors, and is convenient for on-site installation and maintenance, adapting to the large-scale wiring requirements of industrial automation systems.
- Fully compatible with AEG Modicon 800 series PLC chassis and backplane bus, plug-and-play, and can be flexibly combined with high-density digital output modules to form a complete large-scale digital I/O control system.
- Application Scenarios: Widely used in industrial automation control systems with a large number of digital input points such as automobile automated assembly lines, electronic component SMT production lines, packaging machinery multi-station control, and warehouse automatic storage and retrieval systems. It is also applied in large-scale conveyor belt systems and municipal engineering such as intelligent parking lot management systems, realizing the centralized collection of a large number of field digital switching signals, and is suitable for all industrial occasions that require high-density large-scale digital input signal acquisition.
