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B&R X20SI4020 Serial Interface Module

B&R X20SI4020 Serial Interface Module (RS232/RS485).

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerB&R

Part numberX20SI4020

Interface RS232, RS485

Baud Rate Up to 115.2 kbps

Data Bits 7 or 8

Stop Bits 1 or 2

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12-month warranty

All units tested

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Same-day dispatch

Order by 2pm CST

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

Dual serial ports (RS232/RS485) High baud rate support Configurable data formats Isolated communication interfaces Compact X20 system design Reliable data transfer

Product description

The B&R X20SI4020 is a versatile serial interface module for the X20 system, offering RS232 and RS485 communication ports. It enables seamless integration of serial devices and systems into B&R automation architectures.

This module is ideal for connecting devices such as barcode scanners, printers, serial-controlled instruments, and older equipment to modern automation control systems. It is widely used in manufacturing, logistics, and process industries requiring serial data exchange.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the B&R X20SI4020. We provide reliable and cost-effective solutions for your connectivity needs, ensuring your automation systems remain efficient and functional.

Technical specifications

Interface	RS232, RS485
Baud Rate	Up to 115.2 kbps
Data Bits	7 or 8
Stop Bits	1 or 2
Parity	None, Even, Odd
Bus Interface	X20 Bus
Isolation	500V

Common applications

Serial Device Integration

Data Acquisition

Industrial Communication

Barcode Scanning

Printer Connectivity

Legacy System Interface

Automation Control

Compatible systems

B&R PLC Systems B&R X20 Bus Controllers Devices with RS232/RS485 interfaces

Also known as

B&R X20 Serial Comm Module B&R RS232 RS485 Module B&R X20SI4020

Replaces / compatible with

Replaces older B&R serial communication modules or provides serial connectivity for B&R X20 systems.

Technical note

Expert tip

For RS485 communication, ensure proper termination resistors are used on the bus for reliable signal integrity over longer distances.

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Frequently asked questions

What serial communication protocols does the B&R X20SI4020 module support?

The B&R X20SI4020 module supports both RS232 and RS485 serial communication protocols. It allows for configurable baud rates up to 115.2 kbps, making it versatile for various serial device integrations.