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7IF321.7 B&R 2003 Series RS485/RS422 Interface Module

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7IF321.7 B&R 2003 Series RS485/RS422 Interface Module

Trade Terms : EXW, DAP, FOB, CIF

Model Number : 5S3AB0501000L0-000

Shipping Weight : 0.15 kg

MOQ : 1

Delivery Time : 3-5 days

Payment Terms : T/T,Alipay,Paypal

Customer Courier A/C : Yes – DHL/FedEx/UPS account accepted

Brand Name : B&R

Packaging Details : Brand new and original

Packing Size : 180 mm × 100 mm × 50 mm

Place of Origin : Austria

Shipping : DHL (default) / FedEx / UPS / TNT / Air / Sea

Price : $174

Supply Ability : 99+

Condition : Brand new and original

Certification : COO & COC

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Product pictures

7IF321.7 B&R 2003 Series RS485/RS422 Interface Module

Product Overview: B&R 7IF321.7

Parameter	Specification
Manufacturer	B&R Industrial Automation
Model	7IF321.7
Product Series	2003 Series PLC System
Device Type	Serial communication interface module
Interface Type	1× RS485 / RS422 serial port

Application & Fault Scenarios

Typical Uses: Adds RS485/RS422 serial communication capability to B&R 2003 Series PLC systems. Connects to serial devices such as barcode scanners, weighing scales, temperature controllers, and third-party PLCs for data exchange. Software-configurable between RS485 and RS422 modes.

Common Field Issues:

No communication established → verify RS485/RS422 wiring polarity (A/B or TX+/TX-); confirm baud rate, parity, and stop bit settings match the connected device; check if termination resistor is required for long cable runs.
Intermittent data errors → check for ground loop issues; verify cable shielding is properly grounded at one end only; ensure RS485 bus does not exceed maximum node count (typically 32 devices without repeater).

Note: The 7IF321.7 is part of B&R's 2003 Series modular PLC family. It requires a compatible 2003 Series backplane (e.g., 7BP701.0, 7BP702.0) for installation. Configuration is done via B&R Automation Studio software.

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FAQ

Q1: What is B&R 7IF321.7?
A: The 7IF321.7 is a serial communication interface module for B&R's 2003 Series PLC system. It provides one RS485/RS422 port for connecting to serial devices such as barcode readers, scales, and third-party controllers.

Q2: What communication protocols does 7IF321.7 support?
A: This B&R 2003 Series interface module supports both RS485 and RS422 serial communication protocols. The mode is software-configurable via B&R Automation Studio, allowing flexible integration with different serial devices.

Q3: What backplane does 7IF321.7 require?
A: The 7IF321.7 mounts on B&R 2003 Series backplanes (7BP7xx series), such as 7BP701.0 (1-slot), 7BP702.0 (2-slot), up to 7BP710.0 (10-slot). Verify your backplane model before ordering.

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