Product Overview
The Schneider 140CPU11303C processor module serves as a key upgrade component for Modicon Quantum automation platforms. Designed around the 80186 microprocessor, this module delivers reliable performance for demanding industrial control tasks. With a clock frequency of 20 MHz and 368 KB of internal RAM, the 140CPU11303C ensures responsive handling of complex logic and data processing.
Part of the proven Modicon Quantum series, the 140CPU11303C integrates seamlessly into existing installations or new system builds. Its robust architecture supports a wide range of I/O configurations, making it suitable for both localized and distributed control scenarios.
Technical Specifications
Below are key parameters for the Schneider 140CPU11303C processor module, sourced from manufacturer documentation:
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Processor Type: 80186
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Clock Frequency: 20 MHz
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Internal RAM: 368 KB
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Watchdog Timer: 250 ms
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Clock Drift: ±8 s/day at 0 to 60°C
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I/O Words: 64 I/64 O remote, 64 I/64 O max local, 30 I/32 O distributed
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I/O Words per Network: 500 I/500 O distributed
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Remote Drops: 31
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Networks: 3 distributed, 2 remote
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Battery Type: Lithium (7 µA typical, 210 µA max)
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Battery Capacity: 1.2 Ah with 10-year life
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Communication Ports: 1 Modbus Plus, 1 Modbus RS232
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Communication Module Processor Capacity: 2 NOM, NOE, CR, NMS
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Bus Current Requirement: 790 mA
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Net Weight: 0.3 kg (0.7 lb)
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Operating Temperature: 0 to 60°C
Real-World Applications
The 140CPU11303C excels in environments requiring deterministic control and reliable communication. Typical use cases include material handling systems, water treatment plants, and packaging lines where Modicon Quantum controllers form the backbone of automation.
In a conveyor system upgrade, replacing an older processor with the Schneider 140CPU11303C reduces scan times and increases I/O capacity. The module's 64 I/O words per remote drop allow for more sensors and actuators without additional hardware. For distributed applications, the support of up to 500 I/O words per network enables large-scale coordination across multiple zones.
Another common scenario involves retrofitting legacy chemical processing units. The 140CPU11303C's watchdog timer and low clock drift ensure precise timing and fail-safe operation, critical for batch control and safety interlocks. The long battery life minimizes maintenance interventions, aligning with upgrade goals for reduced downtime.
Selection Guide & Purchasing Advice
When planning to integrate the Schneider 140CPU11303C into your system, verify compatibility with your existing Modicon Quantum backplane and power supply. The module requires 790 mA from the bus; ensure your power supply can support the total load of all modules.
For those upgrading from an earlier processor, confirm that your programming software (Concept or ProWORX 32) supports the 140CPU11303C. The module does not include a mathematical coprocessor, so consider external processing for heavy math tasks.
UBEST Automation stocks the 140CPU11303C and related Quantum components. Contact our team for assistance with configuration or to confirm stock availability. We recommend ordering a spare battery (Lithium 1.2 Ah) to keep on hand, as replacement is straightforward and extends service life.