Description

Schneider Electric 140NRP95400 Fibre Optic Repeater

TheSchneider Electric 140NRP95400also cataloged asthe140NRP95400Fibre Optic Repeater, serves astheprimaryModicon Quantum fibre optic repeater moduleutilized to execute optical signal regeneration across Modicon Quantum automation platform networks. It provides electrical-to-optical and optical-to-optical retransmission for dual-channel multimode fibre segments with integrated coaxial interface support.

Suffix Breakdown & Model Matrix

• 140: Modicon Quantum platform identifier
• NRP: Network Repeater Product family
• 95400: Specific fibre optic repeater configuration index
  No further validated internal decoding is provided in the supplied dataset.

Hardware Specifications

Parameter	Specification
ModelBrand	Schneider Electric 140NRP95400
Origin	Schneider Electric (Global)
Weight	0.554 kg
Dimensions	40.34 mm x 250 mm x 103.85 mm
OperatingTemp	0 to 60 degC
PowerConsumption	5 W
Bus Current Requirement	700 mA
Inrush Current	1 A at 5 V DC
Optical Ports	2 x fibre optic ST, 1 x coaxial
Wavelength	820 nm
Max Optical Distance	up to 3000 m (62.5/125 µm, 100/140 µm)
Receiver Sensitivity	-30 dBm
Dynamic Range	20 dB
Rise/Fall Time	20 ns
Signalling	Multi-LED status indicators (RDY, ERR, FAULT, optical activity)

Schneider Electric Backplane Deterministic Communication Behavior

The module integrates into the Modicon Quantum backplane architecture, where deterministic bus timing governs module-to-CPU data exchange cycles. Signal regeneration is synchronized with backplane scan timing, ensuring consistent propagation delay characteristics across fibre segments. The design supports stable communication velocity across rack-level expansion nodes, with controlled jitter behavior under mixed coaxial and optical topologies. Backplane current draw scaling remains constrained within the 700 mA envelope, ensuring predictable slot-level power budgeting within Quantum chassis configurations.

Frequently Asked Questions

Q: Does the module support hot-swap insertion on an energized Quantum rack?
A: The module is designed for rack integration; however, insertion/removal under power depends on system configuration and backplane rules. Electrical arcing risk mitigation requires adherence to chassis-level slot handling procedures.

Q: What limits optical link stability on multimode fibre?
A: Stability is primarily constrained by attenuation window compliance (-20 to -4 dB depending on fibre type), connector cleanliness, and receiver sensitivity threshold (-30 dBm).

Q: Does the coaxial port operate independently from fibre channels?
A: The coaxial interface functions as an additional communication channel within the same repeater logic domain and does not operate as an isolated processing path.

Field Installation Guidelines

Ensure the module is fully seated into the Modicon Quantum rack backplane connector to guarantee stable electrical and logical alignment. Maintain proper separation between fibre routing and high-noise power conductors to reduce induced signal distortion. ST fibre connectors must be cleaned prior to insertion to prevent attenuation drift. Verify LED diagnostic states after power-up, confirming RDY and optical activity indicators before enabling network traffic. Shielded grounding practices should be maintained at the rack chassis level to ensure EMC compliance across long-distance optical segments.

Specifications

• Brand: Schneider Electric

Advantages

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