This discrete input module captures digital signals from sensors, switches, and pushbuttons. The Schneider TSXDEY32D2K offers 32 input channels with a nominal 24 VDC voltage. Each channel accepts signals from 11 VDC to 30 VDC for maximum compatibility. The module includes built-in surge suppression to protect against voltage transients. Its high-density design maximizes I/O capacity while minimizing panel space requirements.
Mechanical Dimensions and Construction Quality
The module measures 130 mm in height, 100 mm in depth, and 50 mm in width. This compact size accommodates dense I/O configurations in standard racks. Weighing only 0.45 kg, the TSXDEY32D2K simplifies handling during installation and maintenance. A robust thermoplastic housing provides reliable protection against dust and contamination. This housing meets IP20 requirements for safe indoor panel installations.
Technical Specifications at a Glance
| Specification | Detail |
|---|---|
| Input Channels | 32 (discrete, sink/source configurable) |
| Nominal Voltage | 24 VDC |
| Input Voltage Range | 11 – 30 VDC |
| Input Current | 5 mA per channel (typical at 24 VDC) |
| ON-state Threshold | ≥ 11 VDC |
| OFF-state Threshold | ≤ 5 VDC |
| Input Delay | 1.5 ms (OFF to ON), 2.0 ms (ON to OFF) |
| Dimensions (H × W × D) | 130 mm × 50 mm × 100 mm |
| Weight | 0.45 kg |
| Terminal Block | 40‑pin spring‑clamp (removable) |
| Wire Gauge Range | 0.14 – 2.5 mm² |
| Backplane Current | 150 mA at 5 VDC |
| External Supply | 24 VDC ±10% |
| Power Dissipation | 4.8 W |
| Isolation Voltage | 1500 VAC (optocoupler, channel‑to‑bus) |
| Energy Buffer | 68 µF capacitor (6 ms hold‑up) |
| Temperature Range | -25 °C to +70 °C |
| Humidity Range | 5% – 95% RH (non‑condensing) |
| Standards | IEC 61131‑2, UL 508, CE |
| Protection Rating | IP20 |
| Diagnostics | LED per channel, supply monitoring |
Interface and Connectivity Features
A 40‑pin spring‑clamp terminal block accepts solid or stranded wires from 0.14 to 2.5 mm². This removable terminal block simplifies field wiring and future module replacements. Front‑panel LEDs provide individual status indication for each of the 32 channels. These LEDs also display supply voltage presence and internal diagnostic conditions. An integrated backplane connector ensures high‑speed data transfer to the main processor.
Power Architecture and Energy Storage
The Schneider TSXDEY32D2K draws 150 mA from the 5 VDC backplane for internal logic. It also requires a 24 VDC ±10% external supply for the input circuits. An onboard 68 µF capacitor provides short‑term energy storage for signal stability. This capacitor sustains input states during power dips lasting up to 6 milliseconds. Total power dissipation stays at a low 4.8 W under full channel load.
Internal Component Architecture
Thirty‑two independent optocouplers provide galvanic isolation between field and logic sides. This isolation withstands 1500 VAC, effectively protecting the controller from electrical noise. A programmable input filter allows you to adjust delay settings from 0.5 to 5 milliseconds. The module includes surge suppression diodes on each input for transient protection. The PCB contains 160 resistors, 96 capacitors, and 32 optocoupler ICs. This high component density ensures reliable operation across the entire temperature range.
Environmental Performance and Certifications
This input module operates consistently from -25 °C to +70 °C in factory environments. It also tolerates relative humidity between 5% and 95% without condensation issues. The TSXDEY32D2K meets IEC 61131‑2, UL 508, and CE certification standards. These approvals guarantee safe and reliable integration into global automation systems.
Details
| Weight | 0.45 kg |
|---|---|
| Dimensions | 130 × 50 × 100 mm |
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