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Schneider Electric TWDNAC485T Modbus RTU Communication Module

Schneider Electric TWDNAC485T Modbus RTU communication module for Modicon M221.

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ManufacturerSchneider Electric

Part numberTWDNAC485T

Protocol Modbus RTU

Interface RS-485

Series Modicon M221

Type Communication Module

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Adds Modbus RTU capability RS-485 interface Seamless integration Compact design Reliable serial communication

Product description

The Schneider Electric TWDNAC485T is a communication module designed to add Modbus RTU (RS-485) capability to Modicon M221 controllers. This module allows for serial communication, enabling the controller to integrate into larger networks or communicate with other serial devices. It is crucial for expanding the connectivity of the M221 system.

This module is widely used in industrial automation for networking PLCs, HMIs, and other devices that utilize the Modbus RTU protocol. It finds applications in building automation, SCADA systems, and distributed control architectures where serial communication is essential.

Stanlo Automation, your veteran-owned source for surplus industrial parts, offers the TWDNAC485T. We are committed to providing reliable, cost-effective solutions to meet your automation needs, backed by exceptional service.

Technical specifications

Protocol	Modbus RTU
Interface	RS-485
Series	Modicon M221
Type	Communication Module
Data Rate	Up to 115.2 kbit/s

Common applications

SCADA systems

Building automation

Industrial networking

Device communication

Distributed control

Data acquisition

Compatible systems

Modicon M221 Series controllers

Also known as

Schneider Electric M221 RS-485 module Modbus RTU module for M221 TWDNAC485T communication gateway

Replaces / compatible with

This module expands the communication options for Modicon M221 controllers that do not have built-in RS-485 ports.

Technical note

Expert tip

Proper termination resistors are crucial for reliable RS-485 network performance; ensure they are installed at the ends of the bus if the network topology requires them.

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Frequently asked questions

What is the maximum data rate supported by the TWDNAC485T module?

The TWDNAC485T module supports a maximum data rate of 115.2 kbit/s for Modbus RTU communication over its RS-485 interface. This speed is sufficient for many industrial networking requirements.