Description

Schneider Electric 140CHS11000 Hot Standby Module

The Schneider Electric 140CHS11000, also cataloged as the 140CHS11000 Hot Standby Module, operates as a dedicated hardware component for maintaining high-availability CPU redundancy within Modicon Quantum automation platforms.

Hardware Specifications

Parameter	Specification
ModelBrand	Schneider Electric 140CHS11000
Origin	Modicon Quantum Platform
Weight	1.06 kg
Dimensions	Standard Module Form Factor
OperatingTemp	0…60 degC
StorageTemp	-40…85 degC
RelativeHumidity	95 % non-condensing
OperatingAltitude	≤ 5000 m
Input/Output Type	800 Series, Sy/Max (remote I/O only)
TransmissionRate	10 Mbit/s
TransmissionMedium	Fiber optic, 3 m
SwitchingTime	13…48 ms
ElectricalConnection	1 RJ45 for fiber optic receiver, 1 RJ45 for fiber optic transmitter
BusCurrentRequirement	700 mA
LocalSignalling	1 amber LED (standby), 3 green LEDs (communication, control process, ready), 1 red LED (communication error)
RFI Immunity	27…1000 MHz, 10 V/m (IEC 60801-3)
ElectrostaticDischarge	4 kV contact, 8 kV air

Industrial Control Technical Features

• The module supports backplane bus communication velocity licensing across Quantum PLC networks, ensuring deterministic exchange of control signals between primary and standby CPUs.
• Firmware updates are compatible with all legacy 140CPU43412A/534 series using LL984 or IEC languages, enabling seamless hot standby synchronization.
• Signal propagation and I/O polling adhere to strict timing, minimizing module switch-over latency during redundancy failover.

Frequently Asked Questions

Q: What is the maximum allowable hot-swap duration?
A: The module allows hot-swap with switch-over times between 13 and 48 ms under nominal I/O load conditions.

Q: Can the module communicate with both legacy and modern Quantum CPUs?
A: Yes, it is compatible with all legacy 140CPU systems supporting LL984 language and 140CPU43412A/534 with IEC language.

Q: How is LED signalling interpreted for system diagnostics?
A: Amber indicates module in standby; green LEDs indicate communication with I/O, control process status, and module readiness; red signals communication errors.

Field Installation Guidelines

• Ensure proper grounding of fiber optic shielded connections to avoid EMI interference.
• Maintain cable separation from high-voltage conductors to prevent signal distortion.
• Install the module in standard 140 Quantum rack slots; confirm bus current capacity (700 mA) is not exceeded.
• Verify ambient temperature and relative humidity limits (0…60 degC, 95 % non-condensing) prior to system power-up.
• For remote I/O configuration, confirm fiber optic cable length does not exceed 3 m and connector type matches RJ45 specifications.

Specifications

• Brand: Schneider Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems