Product Introduction
When electrical noise or false triggering threatens the integrity of your discrete input signals, the Schneider 140DDI35310C discrete input module provides robust protection with resistor-limited input and high isolation. Part of the Modicon Quantum automation platform, this module offers 32 input channels operating at 24 V DC, ensuring reliable signal acquisition in demanding industrial environments.
Technical Specifications Breakdown
The Schneider 140DDI35310C delivers precise performance through carefully engineered parameters. Below are the key specifications from the manufacturer.
| Parameter |
Value |
| Manufacturer |
Schneider Electric |
| Product Type |
Discrete Input Module |
| Product Line |
Modicon Quantum |
| Part Number |
140DDI35310C |
| Input Channels |
32 |
| Input Voltage |
24 V DC |
| Addressing Requirement |
2 Input Words |
| Input Impedance |
2400 Ohm |
| Max Leakage Current |
200 mA |
| Protection Type |
Input Protection by Resistor |
| Bus Current Requirement |
330 mA |
| Marking |
CE |
| Ambient Temperature |
0 to 60 °C |
| Standards |
UL 508, CSA |
| Protective Treatment |
Conformal Coating |
| Net Weight |
0.3 kg |
The input impedance of 2400 Ohm minimizes loading on the sensor while the leakage current limit of 200 mA ensures stable operation even in high-impedance circuits. Conformal coating protects against moisture and dust, extending service life in tough conditions.
Industry Applications
In water treatment facilities, the Schneider 140DDI35310C monitors valve positions and pump statuses with high noise immunity. The 24 V DC input voltage matches common sensor outputs, and the <1 ms response time ensures rapid detection of state changes. For manufacturing lines, the module's 32 channels reduce panel space while providing reliable data capture.
Installation & Setup Guidance
Mount the module in a standard Quantum rack. Connect field wiring to the 32 input terminals, observing polarity for 24 V DC sinking inputs. The addressing requirement of 2 input words simplifies PLC configuration. Ensure the bus current does not exceed 330 mA; the module's power dissipation of 1.5 W plus 0.26 W per active point remains within typical rack budgets. Use twisted-pair cables for long runs to maintain signal integrity.
Compatibility & Integration
The Schneider 140DDI35310C integrates seamlessly with the Modicon Quantum automation platform, including CPU modules from the 140 series. It uses standard Quantum backplane communication and supports negative logic (source) inputs. The module is CE marked and complies with UL 508 and CSA standards, making it suitable for global installations.
Selection Guide & Purchasing Advice
Before purchasing, verify your system's bus current capacity and rack slot requirements. The module comes with conformal coating, but for extreme environments, consider additional panel protection. UBEST Automation (ubest101) offers genuine Schneider 140DDI35310C modules with fast shipping. Contact our team for compatibility confirmation with your existing Quantum system.