Modicon NW-BM85-000 Bridge Multiplexer | Schneider

Introducing the Schneider Electric NW-BM85-000 Bridge Multiplexer

The NW-BM85-000 is a communication bridge for Modicon control systems. This multiplexer connects various devices using serial communication. It provides flexible protocol conversion and network bridging functions for industrial automation.

Core Technical Specifications & Performance

• Brand & Model: Schneider Electric NW-BM85-000
• Product Type: Industrial Bridge Multiplexer
• Power Supply: Dual voltage 115/230V AC operation
• Communication Ports: Four RS-232 serial ports
• Protocol Support: Full Modbus messaging compatibility
• Master/Slave Modes: Supports both Modbus Master and Modbus Slave ports
• Network Gateway: Provides Modbus Plus connection capability
• Physical Weight: Industrial construction at 5.00 lbs (2.27 kg)

System Connectivity & Installation

• Mounting Option: Standard 19-inch rack mounting supported
• Gateway Function: Serves as a Modbus gateway between networks
• Device Type: Configured as Data Terminal Equipment (DTE)
• Cable Requirements: Use modem cable for DTE-to-DCE connections
• Cross-Connection: Requires null-modem cable for DTE-to-DTE links
• Interface Standard: Standard RS-232 mechanical interfaces

Packaging & Shipping Information

• Package Includes: One (1) NW-BM85-000 bridge multiplexer unit
• Shipping Methods: Global shipping via FedEx, UPS, and DHL services
• Standard Packaging: Protective industrial packaging for safe transport

Installation & Configuration Guide

• Mount this multiplexer in a standard 19-inch industrial rack
• Connect appropriate power (115V or 230V AC) based on your facility
• Use the four RS-232 ports to connect serial devices and networks
• Configure as Modbus Master or Slave based on your network architecture
• Utilize the Modbus Plus option for connecting to Modbus Plus networks
• Select correct cables: straight-through for modems, null-modem for DTE devices

Frequently Asked Questions (FAQ)

What is the main purpose of this bridge multiplexer?

The NW-BM85-000 connects different communication devices and networks. It converts protocols and manages data flow between serial devices and Modbus networks.

How many devices can connect to this multiplexer?

With four RS-232 ports, you can connect multiple serial devices directly. Additional devices can connect through networked configurations.

What voltage does this unit require?

This multiplexer operates on either 115V AC or 230V AC power. Select the appropriate voltage based on your facility's electrical system.

Can this device connect to Modbus Plus networks?

Yes, the NW-BM85-000 includes a Modbus Plus connection option for integrating with Modbus Plus industrial networks.

What cable should I use for modem connections?

Use a standard modem cable (straight-through cable) when connecting this DTE device to a modem (DCE device). Use null-modem cables for DTE-to-DTE connections.