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NW-BM85S485

Schneider Electric

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Overview

The NW-BM85S485 is a Modicon Quantum in the Modicon Quantum range from Schneider Electric. It is engineered for industrial automation duties within the Modicon Quantum ecosystem.

Application & Technical Notes

As a modicon quantum, the NW-BM85S485 is intended for deployment in panel-based control cabinets and machine enclosures where Modicon Quantum equipment is installed. It performs a defined automation function within the control system and is selected to match the installed Schneider Electric platform.

Key published characteristics include a 12–24V DC rating, an operating temperature range of -20°C to +70°C, rack mounting. These values should be confirmed against the current manufacturer datasheet before final selection, as options and suffixes vary by configuration.

Maintenance & Diagnostics

Respect the published operating temperature window (-20°C to +70°C); do not exceed it during commissioning or in enclosed panels without airflow. For storage and transit, keep the unit within -40°C to +85°C. Avoid condensation — the rated humidity is 5–95%; store and operate the module in a dry, pollution-degree-appropriate enclosure. Inspect terminals and connectors for corrosion or looseness, and confirm the module seats correctly in its carrier. Always de-energise the circuit and follow lock-out/tag-out before handling; refer to the official instruction bulletin for service procedures.

Sourcing & Procurement

When sourcing the NW-BM85S485, distinguish three supply tiers: (1) genuine Schneider Electric stock from an authorised distributor; (2) compatible equivalents or surplus/NOS (new-old-stock) from third parties; (3) alternative parts offering equivalent function. Genuine supply carries the full warranty and traceability; compatible or alternative items may be cheaper but should be validated for form, fit, firmware and certification before use in a live system. PLCXpert publishes this page as an independent reference and does not sell the part — verify every claim with the manufacturer or your distributor.

Confirm mechanical and electrical compatibility with your Modicon Quantum installation and the intended function. Lead times and pricing vary by region and lifecycle status; obtain a current quote from an authorised channel rather than relying on stale listings.

Frequently Asked Questions

What is the NW-BM85S485?

The NW-BM85S485 is a modicon quantum in the Modicon Quantum range from Schneider Electric. It is described by the manufacturer as: Modicon Quantum.

What are the key technical ratings of the NW-BM85S485?

Its published highlights include 12–24V DC, operating temperature -20°C to +70°C. Full electrical, mechanical and environmental limits are listed in the manufacturer datasheet and should be confirmed for your exact suffix.

How is the NW-BM85S485 mounted or installed?

It uses Rack. Follow the manufacturer mounting and torque guidance and observe clearance, grounding and ventilation requirements.

Is the NW-BM85S485 compatible with my controller?

It is part of the Modicon Quantum family. Confirm the specific rack, firmware revision, slot rules and configuration with the controller documentation before purchase, as compatibility depends on the exact system build.

What should I check before buying the NW-BM85S485?

Verify the genuine part number and suffix, confirm it matches your platform and ratings, check the current lifecycle/availability status, and buy from an authorised distributor. PLCXpert provides this reference only and does not sell the component.

Specifications

The Schneider Electric NW-BM85S485 is a multiplexer bridge module that operates within the Modicon Quantum series. This device utilizes the Modbus RTU protocol over RS-485, supporting efficient communication in various applications.

Description

NoteThe NW-BM85S485 from Schneider Electric functions as a multiplexer bridge module in the Modicon Quantum series. This module facilitates communication utilizing the Modbus RTU protocol over RS-485, thereby enhancing data exchange capabilities. It is capable of supporting data rates of up to 115.2 kbps for efficient performance. This device is designed to utilize shielded twisted pair cable, ensuring protection against electromagnetic interference for a stable communication link. An RJ45 connector allows for straightforward integration into existing systems. The module also features galvanic isolation, which enhances signal integrity and safety. Operating within a voltage range of 12 to 24V DC, this module is energy-efficient, consuming less than 1 watt of power. It can function effectively in temperatures ranging from -20°C to +70°C, accommodating various environmental conditions. For storage, this device can withstand temperatures as low as -40°C and up to 85°C without compromising performance. Furthermore, it supports relative humidity levels between 5% and 95%. The IP20 enclosure rating indicates protection against solid objects greater than 12 mm, making it suitable for controlled environments. Overall, with a length of 100 mm, a width of 50 mm, and a height of 25 mm, the NW-BM85S485 represents a compact solution for multiplexing in industrial automation.
Range of productModicon Quantum Modicon Premium/Quantum automation platform

Complementary

NoteCommunication port protocol Modbus Plus Communication port support RS485 Modbus Plus bridges and repeaters characteristics Multiplexer Bridge Mounting support Rack
Number of port4 [Us] rated supply voltage 115...220 V AC 24 V DC
Transmission support medium-

Packing Units

Unit Type of Package 1PCE
Number of Units in Package 11
Package 1 Height16.3 cm
Package 1 Width28.5 cm
Package 1 Length33.5 cm
Package 1 Weight2.836 kg
Unit Type of Package 2P12
Number of Units in Package 210
Package 2 Height45 cm
Package 2 Width80 cm
Package 2 Length120 cm
Package 2 Weight40 kg

Reproduced from the manufacturer's published data. Values marked "Not available" are absent from the source document.

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