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Siemens S7-1500 SIPLUS SM 521 Digital input modules DI 16X24VDC HF
SKU: 6AG1521-1BH00-7AB0
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Short Description
Pricing available on request
Description:
This module provides 16 digital inputs grouped together, optimized for high-frequency signal acquisition, hardware interrupts, and diagnostics.
With a wide operating temperature range and conformal coating, it’s ideal for outdoor, marine, or process environments where reliability under stress is critical.
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Specifications:
Input Channels: 16 (IEC 61131 Type 3).
Input Voltage Range: 19.2–28.8 VDC (Rated: 24 VDC).
Input Delay: 0.05–20 ms (parameterizable).
Input Current (typical): 2.5 mA.
Max Counting Frequency: 6 kHz (2 counters, 32-bit).
Power Loss: ~2.6 W.
Backplane Bus Consumption: 1.1 W.
Isolation Test Voltage: 707 VDC.
Cable Length: Up to 1000 m shielded / 600 m unshielded.
Mounting Dimensions (W×H×D): 35 × 147 × 129 mm.
Weight: ~240 g.
Environmental & Compliance:
Operating Temp: –40 °C to +70 °C.
Humidity: Up to 100% RH with condensation/frost.
Conformal Coating: Class 2 (EN 61086), IPC-CC-830A compliant.
Protection Class: IP20.
Approvals: CE, UL, RCM, ATEX, IECEx, DNV, KC.
Global Warming Potential: 18.9 kg CO₂ eq (lifecycle).