Product Overview
The Schneider Electric 140DII33000 is a discrete input module from the Modicon Quantum series, engineered for reliable signal acquisition in industrial automation. Its compact design and rack-mountable form factor simplify integration into existing control systems.
Technical Specifications Breakdown
Key parameters for the 140DII33000 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Input Type | Discrete Inputs |
| Number of Channels | 8 Channels |
| No Load Voltage | 8V |
| Short-Circuit Current | 8 mA |
| Switching Hysteresis Current | 0.2 mA |
| Switching Frequency | 100 Hz |
| Internal Resistance | 2.5 kOhms |
| Response Time | 1 ms resistive |
| Power Dissipation | 2 W |
| Operating Temperature Range | 0°C to 60°C |
| Storage Temperature Range | -40°C to 85°C |
| Maximum Relative Humidity | 95% Without Condensation |
| Mounting Type | Rack Mountable |
| Module Type | Intrinsically Safe Input Module |
| CE Marking | Yes |
Industry Applications
For example, it can monitor limit switches or proximity sensors in chemical processing plants where explosive atmospheres demand low-energy circuits. The 8V no-load voltage and 8 mA short-circuit current ensure safe operation in Zone 0/20 areas. Additionally, its 100 Hz switching frequency supports high-speed counting in packaging lines, while the 1 ms response time enables real-time fault detection in conveyor systems.
Installation & Setup Guidance
Mount the 140DII33000 into a compatible Modicon Quantum rack. Ensure the rack is properly grounded and power is disconnected before insertion. Verify that the input voltage source does not exceed the module's 8V no-load rating. Use shielded twisted-pair cables for field wiring to minimize electromagnetic interference. After installation, test each channel with a known signal to confirm correct mapping in the control program.
Maintenance & Reliability
Periodically inspect the module for dust accumulation and ensure the operating temperature stays within 0°C to 60°C. The module can withstand storage from -40°C to 85°C. Maintain relative humidity below 95% without condensation to prevent corrosion. Check the rack connection and tighten screws annually. The module's 2 W power dissipation indicates low heat generation, reducing thermal stress on adjacent components.
Compatibility & Integration
Its discrete input channels can be mapped to any I/O bus in the Quantum architecture. The CE marking confirms compliance with European standards for industrial environments.
Selection Guide & Purchasing Advice
When selecting a discrete input module for intrinsically safe applications, the 140DII33000 offers a proven solution with 8 channels and robust specifications. AutoDCSTech stocks this module for immediate shipment. Please verify current lifecycle status and availability with AutoDCSTech before ordering.
Troubleshooting & Common Issues
If a channel fails to read, check the field wiring for continuity and ensure the input voltage matches the module's 8V rating. A short-circuit current below 8 mA may indicate a damaged sensor or cable. Verify the switching hysteresis current of 0.2 mA to prevent chatter on slow-changing signals. For persistent errors, inspect the rack backplane connection.
Availability & Condition at AutoDCSTech
| Part Number | 140DII33000 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | France |
