16-Channel Discrete Input Module for Modicon 800 Series PLC
The AS-B855-016 input module belongs to the Modicon 800 Series and provides sixteen discrete input channels for PLC systems . Each channel features a dedicated LED indicator for clear and immediate status monitoring . This module operates on a 12 V DC voltage, making it suitable for low-voltage DC signal applications . Moreover, this unit offers a compact physical footprint that measures 2 by 10.5 by 8.3 inches and weighs approximately 2.25 lbs .
Technical Specifications
The table below details the key technical parameters for the AS-B855-016 input module.
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Product Type | DC Discrete Input Module |
| Series | Modicon 800 Series |
| Input Channels | 16 discrete input channels |
| Voltage Rating | 12 V DC |
| LED Indicators | 16 LEDs (one per channel) |
| Operating Temperature | 0 °C to 60 °C |
| Maximum Humidity | Up to 80% (non-condensing) |
| Maximum Altitude | 1000 meters above sea level (without derating) |
| Dimensions | 2 × 10.5 × 8.3 inches |
| Weight | Approx. 2.25 lbs (1.02 kg) |
Application and Installation
The AS-B855-016 connects directly to Modicon 800 Series PLC racks for straightforward system integration . It handles discrete input signals from pushbuttons, limit switches, and proximity sensors . The 16 status LEDs enable rapid fault diagnosis and real-time signal monitoring without requiring additional tools . The unit also operates reliably across a wide temperature range from 0 °C to 60 °C while supporting humidity levels up to 80% without condensation . Furthermore, this module maintains full performance at altitudes up to 1000 meters without derating .
Details
| Weight | 0.91 kg |
|---|---|
| Dimensions | 110 × 55 × 90 mm |
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