The Schneider Electric 140DII33000C is an intrinsically safe discrete current input module engineered for the Modicon Quantum PLC automation platform. This specialty I/O module provides 8 intrinsically safe input channels designed to interface with field signals in hazardous areas (explosive atmospheres) when used with certified intrinsic safety barriers. It is ideal for industrial installations requiring safe signal acquisition while minimizing the risk of ignition in classified environments.
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Intrinsically Safe Current Input Module |
| Platform | Modicon Quantum PLC |
| Number of Input Channels | 8 discrete current inputs |
| Input Characteristics | 1.2 mA … 2.1 mA switching thresholds (typical) |
| Intrinsic Safety | Designed for hazardous area use (requires certified IS barriers) |
| Switching Frequency | ~100 Hz |
| Internal Resistance | ~2.5 kΩ (approximate) |
| Response Time | ~1 ms (resistive) |
| Operating Temperature | 0 °C to 60 °C |
| Storage Temperature | –40 °C to 85 °C |
| Humidity | Up to 95 % non‑condensing (typical industrial standard) |
| Bus Current Requirement | ~330 mA (typical for Quantum I/O modules) |
| Mounting | Standard Modicon Quantum backplane |
| Dimensions (H × W × D) | ~155 × 110 × 45 mm (standard Quantum I/O module form factor) |
| Weight | ~0.30 kg (approx.) |
| Status | Discontinued; legacy support available |
| End of Service Date | Module discontinued; support programs continue through legacy service timelines |
Physical module format conforms to Quantum I/O standard sizes and integrates seamlessly into existing local I/O racks.
Recommended Related Models
- 140DDI36400C – 96‑point discrete input module
- 140DAI55300C – AC discrete input module
- 140DIO33000C – Intrinsically safe DC output module
- 140CPU31110C – Modicon Quantum CPU
- 140XBP01600 – Quantum backplane rack
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