This digital input module captures field sensor signals for Modicon M340 automation systems. The Schneider ASB825016 offers sixteen independent channels with robust electrical isolation for industrial environments. Its compact design fits standard DIN-rail mounting and simplifies wiring through removable terminal blocks.
Key Technical Specifications
| Parameter | Details |
|---|---|
| Model | Schneider ASB825016 |
| Product Type | Discrete Input Module |
| Dimensions (W x H x D) | 56 mm x 140 mm x 120 mm |
| Weight | 0.35 kg |
| Number of Inputs | 16 channels (sink/source configurable) |
| Input Voltage Rating | 24 V DC ± 25 % |
| Input Current per Channel | 4.5 mA typical at 24 V DC |
| Isolation Voltage | 1,500 V AC (between channels and bus) |
| On-State Threshold | ≥ 15 V DC |
| Off-State Threshold | ≤ 5 V DC |
| Response Time (On/Off) | 1 ms typical |
| Bus Interface | Dedicated M340 backplane connector |
| Power Consumption | 45 mA at 5 V DC (from backplane) |
| Operating Temperature | 0 °C to +60 °C |
| Protection Class | IP20 |
Input Architecture and Signal Processing
The Schneider ASB825016 accommodates both sinking and sourcing field devices through its flexible input configuration. Each channel features a 4.5 mA current draw at 24 V DC, which ensures stable detection across varying cable lengths. A 1 ms response time allows this module to capture high-speed digital signals from proximity sensors and limit switches. Moreover, the 1,500 V AC isolation protects the backplane from transient voltage spikes in harsh factory floors.
Mechanical Integration and Mounting
This module occupies a single slot in the M340 rack and measures 56 mm in width, 140 mm in height, and 120 mm in depth. Its lightweight 0.35 kg construction reduces mechanical strain on the backplane connectors during installation. Removable screw-type terminal blocks simplify field wiring replacement without disturbing existing terminations. Furthermore, front-facing green LEDs indicate the operational status of each input channel for rapid diagnostics.
Power Efficiency and Environmental Tolerance
The Schneider ASB825016 draws only 45 mA from the 5 V DC backplane supply, making it energy-efficient for multi-module configurations. Its operational temperature range from 0 °C to 60 °C accommodates most indoor control cabinets without active cooling. An IP20 rating requires enclosure mounting but permits standard panel access for maintenance tasks.
Compatibility and System Integration
This input module communicates with the M340 CPU via the dedicated backplane bus, ensuring deterministic data exchange. It supports both discrete and pulse-capture applications through its configurable input filters. Consequently, the Schneider ASB825016 interfaces seamlessly with conveyor monitoring systems, packaging lines, and material handling equipment.
Details
| Weight | 0.35 kg |
|---|---|
| Dimensions | 56 × 140 × 120 mm |
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