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Phone: +86 16626708626Description
Real-World Use & Application Scenarios
The Schneider Electric 140DDI84100 is a discrete DC input module widely used in industrial automation applications that require reliable and precise digital input detection. Commonly found in sectors such as manufacturing, material handling, packaging, and textile machinery, this module effectively captures status signals from field devices including sensors, switches, and contactors. Its ability to manage up to 16 inputs organized into eight channel groups allows engineers to streamline input monitoring, enabling fast, dependable signal processing within the Modicon Quantum automation architecture.
This module solves real-world challenges related to diverse input voltages, fast response needs, and noise immunity in industrial environments. Designed to operate over a broad voltage range from 10 to 60 VDC, the 140DDI84100 is suited for systems where input signals vary and require robust handling. Positive (sink) logic configuration enhances signal reliability, reducing susceptibility to electrical noise—a critical factor in maintaining control system integrity.
Product Introduction & Positioning
The Schneider Electric 140DDI84100 is a 16-point, discrete DC input module tailored for the Modicon Quantum PLC platform. It features eight groups of two-channel inputs with positive sink logic, designed to accept DC voltages from 10 to 60 volts, making it compatible with a wide variety of field devices.
Positioned as a standard input module within quantum control systems, the 140DDI84100 offers fast switching times, high isolation levels, and comprehensive diagnostic indicators, facilitating efficient control panel designs. Its low power dissipation and compact size make it a practical choice for system integrators aiming for scalable, maintainable control architectures.
- 140DDI84100
Key Technical Features & Functional Benefits
The 140DDI84100 supports input voltages covering 12 V (5–10 mA), 24 V (6–30 mA), 48 V (2–15 mA), and 60 V (1–5 mA) ranges, offering flexibility to accommodate diverse field signals. The module ensures response times as fast as 4 ms rising and falling edges, enabling rapid detection and processing of input changes necessary for dynamic industrial processes.
Isolation is provided at 2,500 Vrms between groups and bus and 700 Vrms between groups, effectively minimizing noise interference and enhancing safety. Power dissipation is efficiently managed, with a base consumption of 1 W plus 0.62 W per active input point, keeping operating temperatures and energy costs low.
Visual diagnostics include 16 green LEDs indicating input status, a red external fault LED, and a green communication LED confirming bus activity. These indicators simplify monitoring and troubleshooting, supporting quick fault identification and system health checks.
The module operates reliably over a temperature range of 0 to 60 °C and supports wiring with conductor sizes from 14 to 20 AWG, adaptable to various field wiring practices.
Detailed Technical Specifications
| Parameter | Value |
|---|---|
| Model | 140DDI84100 |
| Brand | Schneider Electric |
| Product Type | DC Discrete Input Module |
| Number of Inputs | 16 inputs, organized in 8 groups (2 channels per group) |
| Logic Type | Positive (sink) |
| Input Voltage Range | 10 to 60 V DC |
| Input Current Range | 12 V: 5–10 mA; 24 V: 6–30 mA; 48 V: 2–15 mA; 60 V: 1–5 mA |
| Maximum Input Voltage | 75 V |
| Response Time | 4 ms (off-to-on and on-to-off) |
| Switching Frequency | Up to 100 Hz |
| Isolation (Group to Bus) | 2500 Vrms for 1 minute |
| Isolation (Group to Group) | 700 Vrms for 1 minute |
| Power Dissipation | 1 W + 0.62 W per active input |
| Operating Temperature | 0 to 60 °C |
| Storage Temperature | -40 to 85 °C |
| Weight | Approximately 0.3 kg |
| Local Signaling | 16 green LEDs (input status), 1 red LED (external fault), 1 green LED (bus communication active) |
| Certifications | CE |
Related Modules or Compatible Units
140ADI12000 – Analog Input Module suitable for Quantum PLC platforms.
140AVO02000 – Analog Output Module for voltage/current signals.
140CRA35201 – Communication adapter for expanded networking options.
140CPU67160 – Unity Hot Standby processor module compatible with distributed input modules.
Installation Notes & Maintenance Best Practices
Install the 140DDI84100 within a Modicon Quantum rack ensuring secure connection to the bus and proper seating in designated slots. Follow recommended wiring practices using 14 to 20 AWG conductors to maintain signal integrity. Ensure consistent polarity for positive (sink) logic configurations and verify voltage input levels within specified ranges to prevent damage.
Routine maintenance involves checking LED indicators for input activation and fault detection to swiftly address wiring or device issues. Power cycling with diagnostic checks and cleaning terminal contacts during scheduled service assists in maintaining optimal module performance.
