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Product Introduction
The Schneider 140CHS41020 Hot Standby Kit is a vital redundancy component designed for Schneider Electric’s Modicon PLC systems. This kit enables a hot standby configuration, allowing a secondary CPU to take over control instantly in the event of primary CPU failure. Such failover ensures uninterrupted operation, preventing costly downtime in critical automation and process control environments.
The 140CHS41020 kit supports seamless transition between CPUs without loss of data or control commands, making it essential for industries where continuous operation and system reliability are non-negotiable. Its compact design integrates easily into Modicon PLC racks, enabling quick upgrades to existing control systems for enhanced reliability.
Product Specifications
| Parameter | Specification |
|---|---|
| Model Number | 140CHS41020 |
| Product Type | Hot Standby Kit |
| Compatible Systems | Modicon PLC series (various models) |
| Function | CPU redundancy for high availability |
| Power Supply | Utilizes existing PLC system power |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% non-condensing |
| Dimensions (HxWxD) | 100 mm x 45 mm x 120 mm |
| Weight | Approximately 0.35 kg |
| Installation | Slot-mounted in PLC rack |
Applications
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Manufacturing Lines: Keeps automated assembly and production lines running smoothly without interruptions.
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Process Industries: Ensures reliability in oil & gas, chemical, and pharmaceutical process control.
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Infrastructure: Supports critical utilities such as water treatment plants and power distribution systems.
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Building Automation: Maintains continuous control in HVAC, lighting, and security systems.
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Energy Sector: Provides uptime assurance in renewable energy installations including solar and wind farms.
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Food & Beverage: Avoids disruptions in processing and packaging by providing CPU backup.
Advantages
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Uninterrupted Control: Ensures instantaneous CPU takeover, minimizing downtime and process disruption.
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Data Consistency: Maintains synchronization between primary and standby CPUs for flawless failover.
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Simple Integration: Designed for easy installation in existing Modicon PLC racks.
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Compact and Lightweight: Minimal footprint helps maintain efficient rack space usage.
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Wide Operating Range: Reliable performance across varied temperature and humidity conditions.
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Robust Reliability: Engineered for industrial environments with high vibration and electrical noise resistance.
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Cost-Effective Redundancy: Provides a practical way to boost system availability without duplicating full hardware sets.
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User-Friendly Configuration: Streamlines setup and reduces complexity for plant engineers and technicians.
Frequently Asked Questions (FAQ)
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What is the function of the Schneider 140CHS41020 Hot Standby Kit?
It provides CPU redundancy by enabling a backup CPU to take over if the primary CPU fails. -
Which PLC systems is this kit compatible with?
It is designed to work with various Modicon PLC models. -
Does the kit require additional power supply?
No, it uses the existing power supply of the PLC system. -
What is the temperature range for operation?
It operates reliably between -20°C and +60°C. -
How does this kit improve system availability?
By allowing seamless CPU failover, it drastically reduces downtime. -
Is installation complex for this hot standby kit?
No, it is designed for easy slot-mount installation in the PLC rack. -
Will control data be lost during failover?
No, it maintains data integrity and continuous control during CPU switch. -
What are the dimensions and weight?
Dimensions are 34.3 x 45.9 x 66.8 mm, and it weighs 10.073 kg. -
Is the kit suitable for harsh industrial environments?
Yes, it is designed to operate in typical industrial conditions with vibration and electrical noise. -
Can this kit be scaled for larger PLC systems?
Yes, it can be part of multi-CPU redundancy configurations for larger systems.
Related Models (Same Series / Similar Functionality)
| Model Number | Description | Compatible Systems | Weight (kg) | Dimensions (HxWxD mm) |
|---|---|---|---|---|
| 140CHS41010 | Hot Standby Kit | Modicon PLC series | 0.30 | 100 x 45 x 120 |
| 140CHS41100 | CPU Redundancy Module | Modicon M340 series | 0.40 | 110 x 50 x 130 |
| 140CHS41200 | CPU Redundancy Module | Modicon M580 series | 0.45 | 120 x 55 x 140 |
| 140CHS42010 | Hot Standby Kit for Quantum PLC | Modicon Quantum | 0.38 | 105 x 45 x 125 |
| 140CHS43010 | Redundancy Interface Module | Modicon PLC systems | 0.42 | 110 x 50 x 130 |
| 140CHS44010 | CPU Redundancy Module (Compact) | Modicon M340 series | 0.30 | 95 x 40 x 110 |
Popular Models from Schneider Brand
| Model Number | Description | Function | Weight (kg) | Dimensions (HxWxD mm) |
|---|---|---|---|---|
| 140CPU65160 | Modicon M340 CPU Module | Central Processing Unit | 1.5 | 160 x 60 x 150 |
| 140DDO65300 | Modicon Digital Output Module | Discrete Output | 0.8 | 140 x 45 x 120 |
| 140ADI67110 | Modicon Analog Input Module | Analog Input | 0.85 | 140 x 45 x 130 |
| 140ACI67000 | Modicon Analog Output Module | Analog Output | 0.9 | 140 x 45 x 130 |
| 140CPU65670 | Modicon M580 CPU Module | High Performance CPU | 2.0 | 180 x 70 x 160 |
| 140CRA93100 | Modicon Communication Module | Ethernet Communication | 1.0 | 150 x 50 x 140 |
