TSXDEY16D3 Schneider Electric 16-Point 48 VDC Sink Input Module

TSXDEY16D3 Module Overview for Maintenance Engineers

The Schneider Electric TSXDEY16D3 is a discrete input module from the Modicon Premium series. It provides 16 DC input points arranged in two groups of eight. Each point accepts a 48 V DC field signal using sink (negative logic) configuration. From a maintenance perspective, the module's single-slot footprint and clear group separation simplify fault tracing and replacement planning.

Because this module is discontinued, maintenance engineers should verify current lifecycle status and availability with AutoDCSTech before ordering. The engineering-grade isolation barrier between field wiring and the backplane bus supports safe troubleshooting in mixed-voltage cabinets.

Key Specifications of the TSXDEY16D3

• Input channels: 16 points, organized as 2 groups × 8
• Signal type: DC input, sink (negative logic)
• Voltage range: 48 V DC
• Input current: 7 mA at state 1 per channel
• Isolation: Channel-to-bus 1500 V AC dielectric; >10 MΩ at 500 V
• Response time: 4 ms typical
• Bus current: 80 mA at 5 V DC
• Power consumption: 1.0 W + (0.15 W × channels used)
• Protection rating: IP20
• Dimensions: 140 × 35 × 80 mm; weight 0.15 kg

The 1500 V AC channel-to-bus dielectric strength is the standout reliability parameter. It limits fault propagation from field wiring into the backplane, which reduces the risk of a single field fault taking down adjacent modules.

Maintenance and Reliability Notes

For a maintenance engineer, the TSXDEY16D3 offers predictable service characteristics. The 4 ms typical response time suits standard discrete monitoring tasks. Since diagnostics are not available on this module, periodic inspection should focus on terminal tightness, group fuse integrity, and visual signs of overheating. The IP20 rating means the module requires a clean, controlled enclosure environment. Dust and conductive debris are the primary wear factors. Therefore, schedule routine cabinet cleaning and verify that forced-air paths remain unobstructed. Because channel-to-bus isolation exceeds 10 MΩ at 500 V, insulation resistance checks can be performed during planned outages. However, always follow the manufacturer's safety manual for isolation testing procedures. The 1.0 W base consumption plus 0.15 W per used channel helps estimate thermal load when populating a rack. This supports accurate cabinet thermal planning and extends module service life.

Integration and Replacement Guidance

The TSXDEY16D3 occupies one slot in a Modicon Premium rack and draws 80 mA from the 5 V DC backplane supply. When replacing a failed unit, confirm the replacement matches the sink input configuration and 48 V DC field voltage. Because the module is discontinued, consider stocking verified spares. Contact AutoDCSTech with your exact requirements for precise matching. For technical specifications not listed here, refer to the official Schneider Electric datasheet.