B&R 7IF321.7 Interface Module

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      • Product Overview

        The B&R 7IF321.7 is a serial communication interface module for the B&R System 2003 automation platform. It provides one electrically isolated RS485/RS422 interface for connecting compatible controllers to industrial serial networks and other automation devices.

         

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        Technical Specifications

        Parameter	Specification
        Brand	B&R
        Model	7IF321.7
        Product Series	System 2003
        Product Type	Serial Interface Module
        Communication Interface	1 × RS485/RS422
        Connector	9-pin female D-Sub
        Maximum Baud Rate	115.2 kbit/s
        Electrical Isolation	Yes, between controller and interface
        Maximum Transmission Distance	Up to 1,200 m, depending on configuration
        Maximum Power Consumption	1.4 W
        Protection Rating	IP20
        Compatible Slots	System 2003 CPU interface, slots 1–3
        Mounting Type	Screw-in module
        Operating Temperature	0–60°C horizontal; 0–50°C vertical
        Storage Temperature	−25 to +70°C

         

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        Key Features

        • Supports RS485 and RS422 serial communication.

        • Electrically isolated interface for improved noise immunity.

        • Network-capable design for industrial communication.

        • Female 9-pin D-Sub connector.

        • Designed for integration with compatible B&R System 2003 controllers.

        Typical Applications

        • PLC serial communication

        • Industrial equipment networking

        • Controller-to-device data exchange

        • Legacy machine automation

        • Remote I/O and serial network connections

        Installation Notes

        • Verify compatibility with the installed B&R System 2003 CPU.

        • Confirm whether the application requires RS485 or RS422 operation.

        • Check baud rate, parity, stop bits, and other communication parameters.

        • Use appropriate cabling and network termination.

        • Install in an enclosure suitable for the IP20 protection rating.

The structure and details of the product：

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