Schneider Electric 140DII33000 Modicon Quantum Discrete Input Module
Reliable 8-Channel Input for Hazardous Areas
The 140DII33000 belongs to the Modicon Quantum series. It handles discrete input signals with intrinsic safety. You can use this module in environments where explosive gases or dust may appear. For instance, it suits chemical plants, oil refineries, and paint booths.
This module provides exactly 8 input channels. Each channel works with a no-load voltage of 8V. A short-circuit current of 8 mA protects the circuit during faults. Additionally, the switching hysteresis current stands at only 0.2 mA. That feature ensures stable switching without false triggers.
The internal resistance measures 2.5 kOhms. This value matches typical field devices like proximity sensors or switches. Moreover, the switching frequency reaches 100 Hz. Therefore, you can capture fast-changing signals without missing pulses.
Fast Response and Thermal Performance
Response time reaches just 1 ms for resistive loads. Consequently, the 140DII33000 suits real-time control loops. Power dissipation stays low at 2 W. That efficiency reduces heat buildup inside your rack.
Meanwhile, the operating temperature ranges from 0°C to 60°C. Storage can extend from -40°C to 85°C. Maximum relative humidity hits 95% without condensation. Thus, this module survives harsh industrial conditions.
Mechanical and Mounting Details
The Schneider 140DII33000 uses a rack-mountable design. It slides directly into a Modicon Quantum backplane. No extra tools are required for seating. First, align the module with the rack guides. Next, push firmly until the connectors lock. Finally, secure the top and bottom screws.
Installation must follow intrinsic safety wiring rules. Use certified barriers if needed. Furthermore, keep input wires separate from power cables. That practice avoids noise coupling.
Package and Logistics
Each 140DII33000 ships individually wrapped. The package includes:
One discrete input module
One hardware installation guide
Two mounting screws
One dust cover for unused slots
Important: No certificates or warranty papers are included. For compliance documents, please contact your local distributor.
Shipping partners are FedEx, UPS, and DHL. All deliveries include tracking and industrial-grade packing.
Packaging List
140DII33000 module (8 channels, intrinsically safe)
Installation guide (quick reference)
Rack mounting screws (2 pieces)
Protective slot cover
Frequently Asked Questions
1. Can I use the 140DII33000 with 24V sensors?
No, this module expects an 8V no-load voltage. For 24V inputs, select a different Quantum module like the 140DAI74000.
2. What happens if the input current exceeds 8 mA?
The short-circuit current is limited to 8 mA. Internal protection activates above this threshold to prevent damage.
3. Is the 140DII33000 approved for Zone 1 hazardous areas?
Yes, it is an intrinsically safe module. However, you must pair it with approved barriers and follow local wiring codes.
4. How do I verify the module is working after installation?
Check the module’s status LED on the front panel. Additionally, use the Quantum CPU’s I/O mapping table to monitor channel states.
5. Can I mix this module with standard 140 series I/O in the same rack?
Yes, the Schneider 140DII33000 fits any Quantum rack alongside standard modules. Keep intrinsically safe wiring segregated from non-IS circuits.
