The Schneider 140DAI55300 provides robust 32-channel AC input monitoring for industrial control. This discrete input module is a core component of the Modicon Quantum automation platform. It reliably senses the on/off status of field devices like pushbuttons and limit switches. Furthermore, its design ensures stable operation across a wide range of AC line conditions.
Manufacturer Schneider Electric built this module for demanding industrial environments. It handles high-voltage AC signals directly, eliminating the need for external signal converters. For system protection alongside this I/O, consider a safety relay like the RMS TSG TZ C Static Trip. You can source such accessories from suppliers on Alibaba.
Core Technical Specifications and Electrical Design
The module features four electrically isolated groups of eight channels each. This group isolation enhances system safety and simplifies wiring practices. Each channel guarantees a definitive “ON” state within a specified voltage range. Consequently, the module provides dependable data even with fluctuating supply voltages.
Detailed Technical Parameter Table
| Parameter | Specification / Description |
|---|---|
| Manufacturer / Brand | Schneider Electric |
| Product Series / Platform | Modicon Quantum |
| Complete Model Number | 140DAI55300 |
| Module Type | Discrete (Digital) Input Module |
| Primary Function | 115V AC Field Device Status Monitoring |
| Total Number of Channels | 32 input channels |
| Input Voltage Rating | 115 Volts AC |
| Guaranteed “State 1” (ON) Voltage Range | 79 to 132V AC @ 57-63 Hz; 85 to 132V AC @ 47-63 Hz |
| Network Frequency Operating Range | 47 Hz to 63 Hz |
| Input Channel Configuration | 4 groups of 8 channels |
| Isolation Rating (Between Groups) | 1780 V AC RMS for 1 minute |
| Maximum Input Leakage Current per Channel | 2.1 mA |
| Power Supply Consumption (from Backplane) | 5V DC @ 850 mA typical |
| Module Power Dissipation | 10.9 Watts maximum |
| Module Weight | 0.91 kg (2.00 lbs) |
| Physical Dimensions (H x W x D) | Approximately 150mm x 30mm x 120mm (Quantum standard) |
| Operating Temperature Range | 0°C to +60°C (32°F to 140°F) |
| Storage Temperature Range | -40°C to +85°C (-40°F to 185°F) |
| Maximum Relative Humidity | 95% (non-condensing) |
| Connection Interface | Removable screw-clamp terminal block connector |
| Status Indication | LED per channel (32 LEDs) and module status LED |
| Certifications / Markings | CE Mark, cULus listed |
| Mounting Style | DIN-rail or rack mountable within Quantum chassis |
| Primary Industry Applications | Manufacturing Lines, Material Handling, HVAC Control, Water/Wastewater Treatment |
Application Benefits and Integration
This module consolidates 32 high-voltage inputs into a single, space-efficient unit. Its group isolation allows mixing of different AC circuits on one module safely. The clear per-channel LEDs facilitate rapid troubleshooting during commissioning or maintenance. Therefore, the Schneider 140DAI55300 is an efficient and reliable choice for large-scale digital input applications.
Details
| Weight | 0.91 kg |
|---|---|
| Dimensions | 110 × 55 × 90 mm |
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