The 140CHS11000 hot standby module is part of the Schneider Electric Modicon Quantum automation platform. It ensures system redundancy and continuous operation by providing seamless CPU switchover in case of primary controller failure. Designed for high-availability applications, it integrates with multiple Quantum CPUs and supports fiber-optic communication for reliable data transfer.
Electrostatic Discharge Resistance: 4 kV contact, 8 kV air
Operating Temperature: 0–60 °C
Storage Temperature: -40–85 °C
Relative Humidity: Up to 95% non-condensing
Altitude: ≤ 5000 m
Application Scenarios
This hot standby module is ideal for critical process industries such as power generation, petrochemical plants, and large-scale manufacturing, where system uptime and redundancy are essential. It ensures smooth CPU switchover and maintains communication integrity during fault conditions.
FAQ
Q: What CPUs are supported by this module? A: It supports all 140CPU models with LL984 language and IEC-based CPUs such as 140CPU43412A/534.
Q: How fast is the switchover time? A: The module provides switchover between 13–48 ms.
Q: What communication medium is used? A: Fiber optic connections (3 m) are used for reliable data transmission.
