Specifications

Model: AS‑521P‑106

Manufacturer: Schneider Electric (Modicon)

Series: Modicon Compact (discontinued)

Input Points: 16 discrete inputs

Input Type: 24VDC sink/source compatible

Rated Voltage: 24VDC (19.2–30VDC)

Input Current: ~7mA per channel @24VDC

Logic ‘1’: ≥11VDC; Logic ‘0’: ≤5VDC

Response Time (Input):

0→1: 2.2 ms

1→0: 3.3 ms

Response Time (Output, if applicable): <0.1 ms (0→1 and 1→0)

Isolation:

Channel‑to‑bus: 707VDC

Group‑to‑group: 707VDC

Power Consumption: 6.0 + (0.144 × number of inputs) + (0.25 × number of outputs) W

Operating Temperature: 0°C to +60°C (32°F to 140°F)

Storage Temperature: −40°C to +85°C (−40°F to 185°F)

Humidity: 5%–95% (non‑condensing)

Altitude: ≤5,000 m (16,404 ft)

Weight: ~0.53 kg

Certifications: CE, UL, CSA, FM Class 1 Div 2

EMC Immunity:

ESD: 4kV contact / 8kV air (IEC 801‑2)

EM Field: 9.14 V/m (10 V/m), 80–1000 MHz (IEC 801‑3)

Features

16‑point high‑speed input with sub‑3ms response for fast event capture.

Enhanced isolation (707VDC) between channels and bus, improving noise immunity in harsh environments.

Wide voltage tolerance (19.2–30VDC) accommodates industrial supply fluctuations.

Per‑channel LED status indicators for quick diagnostics and troubleshooting.

Robust EMC protection (ESD, EM field) ensures reliability in electrically noisy plants.

Compact 1‑slot form factor compatible with all Modicon Compact backplanes and CPUs.

Applications

High‑speed discrete sensing: Automotive assembly, packaging machinery, material handling.

Process automation: Water treatment, pharmaceutical, chemical (Class 1 Div 2 hazardous areas).

General industrial: Machine tools, textile machinery, HVAC, building automation.

Key Differences from AS‑521P‑001/‑008/‑011

Faster response (2.2ms vs. 10ms in earlier models).

Lower isolation voltage (707VDC vs. 1500Vrms), but with superior EMC immunity (ESD/EM field ratings).

Higher power dissipation (6W base vs. ~1.2W), reflecting high‑speed circuitry.