1. General Information
Parameter Description
Manufacturer B&R Industrial Automation
Series X20 System
Module Type PROFINET Interface
Hardware Version V2.0 (or later)
Dimensions 45 × 100 × 64 mm (W×H×D)
Weight 200g
2. Network Specifications
Feature Specification
Protocol PROFINET IO (Conformance Class B)
Ports 2× RJ45 (10/100BASE-TX with Auto-MDIX)
Real-Time IRT (Isochronous Real-Time)
Cycle Time ≤250μs (IRT), ≤1ms (RT)
Topologies Line, Star, Ring (MRP supported)
Max Nodes 256 devices
3. Performance Parameters
Parameter Value
Data Throughput 1440 bytes input + 1440 bytes output
Jitter <1μs (IRT mode)
Sync Accuracy ±1μs (with IEEE 1588 PTPv2)
Diagnostics LLDP, Port Statistics, Topology Discovery
4. Electrical Characteristics
Parameter Specification
Supply Voltage 24V DC (via X20 bus)
Power Consumption 3.5W typical
Isolation 1500V AC (fieldbus to logic)
5. Environmental Ratings
Parameter Range
Operating Temp. -25°C to +60°C
Storage Temp. -40°C to +85°C
Humidity 5-95% RH (non-condensing)
Vibration 1g (5-150Hz)
Protection Class IP20
6. Certifications
PROFINET Conformance Class B

Safety: UL 61010-1, EN 61131-2

EMC: EN 61000-6-2/-4

Standards: IEC 61131, CE, RoHS

7. Ordering Information
Base Model: X20IF2772

Options:

-S: PROFIsafe version

-F: Fiber optic variant

Accessories: PROFINET cabling kits

8. Key Features
Dual-port switch for daisy-chaining

Integrated web server for configuration

Hot-swappable in X20 systems

Precision clock synchronization (IEEE 1588)

MRP (Media Redundancy Protocol) support