Product Introduction
The Schneider STBDDI3420K digital input kit delivers a robust and cost-effective solution for distributed I/O applications. Part of the Modicon STB family, this module provides 4 discrete inputs with 24 V DC operation, ensuring reliable signal acquisition in demanding industrial environments. Its integrated protection features and hot-swap capability reduce downtime, offering long-term ROI for your automation system.
Technical Specifications Breakdown
The Schneider STBDDI3420K is engineered for performance. Key parameters include:
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Discrete input number: 4 inputs
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Input voltage: 24 V DC (11...30 V at state 1, -3...5 V at state 0)
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Input current: 8 mA at 24 V
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Response time: 0.925 ms off-to-on, 1.35 ms on-to-off
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Protection: Power protection with integrated fuse (time lag 10 A), reverse polarity protection, and input resistor-limited
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Insulation: 1500 V between channels and logic bus for 1 minute
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Hot swapping: Yes for standard NIMs
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Input filtering: Selectable from 0.5 ms to 16 ms
Industry Applications
The Schneider STBDDI3420K excels in material handling, packaging, and process control. For example, in a conveyor system, it reliably reads sensor states with fast 0.925 ms response, minimizing cycle times. Its rugged construction (IP20, vibration resistance up to 5 gn) suits harsh factory floors. By reducing false triggers via programmable filtering, the module lowers maintenance costs—directly supporting your ROI goals.
Compatibility & Integration
The Schneider STBDDI3420K integrates seamlessly with the Modicon STB distributed I/O solution. It is compatible with the I/O base STBXBA1000 and power distribution modules STBPDT3100/3105. The kit includes the STBDDI3420 module, STBXTS2100 spring clamp connector, STBXTS1100 screw connector, and base. Use with standard NIMs for hot-swap capability.
Selection Guide & Purchasing Advice
Before purchasing, verify your system voltage (24 V DC) and I/O base compatibility. The kit includes all necessary connectors for quick installation. For OEM quantities or custom configurations, contact UBEST Automation directly at ubest101.myshopify.com. Our stock of the STBDDI3420K ensures fast delivery for your automation projects.