Schneider Electric 140CHS21000 Modicon Quantum Hot Standby Kit

Product Description

The 140CHS21000 from Schneider Electric is a Hot Standby Kit designed for redundant controller configurations in the Modicon Quantum automation platform. It provides the hardware and software components required to establish communication between primary and standby PLCs. Furthermore, the kit supports controller state synchronization, allowing the standby controller to take over process control if the primary controller fails.

Hot Standby System Function

The 140CHS21000 kit provides the components needed to configure a Quantum Hot Standby system within an existing PLC installation. Both controllers use dedicated hot standby modules to exchange application data and monitor system status.

During normal operation, the primary controller executes the application and transfers relevant state RAM data to the standby controller. Meanwhile, the standby controller maintains synchronized application information. If the primary controller experiences a detected failure, the standby controller can assume process control.

Kit Contents

The 140CHS21000 is a complete hot standby accessory kit rather than an individual I/O module. Its documented contents include:

• 2 x 140CHS11000: Hot Standby communication modules.
• 1 x 990XCA65609: 3 m duplex fiber optic communication cable.
• 1 x 140CHS32000: Coaxial splitter and terminator kit.
• 1 x 140SHS94500: Hot Standby downloadable software.
• 1 x 840 USE 106 00: Hot Standby planning and installation guide.

These components provide the communication hardware, software and connection accessories required for the Hot Standby configuration.

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Technical Specifications

Switching Performance

The Quantum Hot Standby architecture transfers application state information between the primary and standby controllers. This synchronization allows the standby controller to maintain the information needed to continue process execution following a primary controller failure.

The associated 140CHS11000 Hot Standby module has a documented switching time of 13 to 48 ms. This specification describes the standby controller takeover response under the documented system conditions, rather than a general transfer-time rating for every application.

Frequently Asked Questions

Q: What is included in the Schneider Electric 140CHS21000 kit?

A: The kit includes two 140CHS11000 Hot Standby modules, a 3 m duplex fiber optic cable, a coaxial terminator kit, downloadable software and an installation guide.

Q: What is the function of the 140CHS21000?

A: It provides the components required to establish a redundant controller arrangement in a Modicon Quantum PLC system. The standby controller receives synchronized application data and can take over process control following a primary controller failure.

Q: Is the 140CHS21000 an individual PLC module?

A: No. It is a complete Hot Standby accessory kit. The two 140CHS11000 modules are the main hardware components supplied in the kit.

Q: Is the 140CHS21000 discontinued?

A: Yes. Schneider Electric lists the related Hot Standby kit reference 140CHS21000C as discontinued. Confirm the exact product reference and revision when sourcing replacement stock.

Other Attributes

• Series：Modicon Quantum 
• Country of Origin:  USA
• Lead Time: In Stock, 2 Working Days

In Stock Hot Items 

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