High Feature (HF) digital input module for the SIMATIC S7-1500 PLC series. It features 16 channels (24V DC), integrated diagnostics, hardware interrupts, and supports two inputs as counters.
SIMATIC S7-1500 DI 16x24V DC HF module (6ES7521-1BH00-0AB0) is designed for high-performance industrial automation systems requiring fast, reliable, and precise digital signal processing. Featuring 16 digital inputs grouped in a single channel group, this module supports high-speed input detection, making it suitable for advanced control and monitoring tasks.
With integrated diagnostics, hardware interrupts, and compliance with IEC 61131 input type 3, the module ensures stable operation and rapid fault identification in modern PLC environments. Front connectors (screw terminals or push-in type) are available separately for flexible installation.
Enhanced Precision: Input delays are adjustable from 0.05 ms to 20 ms, allowing for tailored signal processing.
Versatile Functionality: Includes 2 counter inputs (up to 1 kHz), reducing the need for separate high-speed counter modules in basic tasks.
Proactive Maintenance: Extensive diagnostic interrupts (wire break, supply voltage missing) ensure minimal downtime by identifying faults instantly.
Standard Compliance: Rated as Input Type 3 according to IEC 61131, ensuring compatibility with a wide range of sensors.
16 Digital Inputs: Organized in a single group of 16.
Hardware Interrupts: Supports process interrupts for time-critical events.
Vibration Resistance: Built to withstand harsh industrial environments within the S7-1500 rack.
Flexible Connection: Compatible with both screw terminal and push-in front connectors (sold separately).
Industrial automation systems
Factory control and monitoring
Machine building
Process automation
High-speed signal acquisition
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| SKU / Model | 6ES7521-1BH00-0AB0 |
|---|---|
| Product Condition | Brand New, New - Backlog, New - No Original Box, New - Original Box Opened, Used - Average, Used - Below Average, Used - Excellent, Used - Fairly Good, Used - Good, Used - Poor, Used - Very Good |
| Weight | 0.24 kg |
| Dimensions | 129 × 35 × 147 mm |
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