B&R 3IF661.9 Digital Input Module – Industrial Automation
The B&R 3IF661.9 is a high-performance digital input module engineered for industrial automation systems requiring precise signal acquisition. Designed for seamless integration into control environments, it delivers reliable data processing for machinery monitoring, production line control, and equipment status verification.
Technical Specifications
| Parameter | Value |
| Manufacturer | B&R |
| Model | 3IF661.9 |
| Module Type | Digital Input |
| Input Channels | 8 |
| Voltage Range | 24 VDC |
| Power Consumption | 0.5 W (Internal I/O) |
| Operating Temperature | -25°C to +60°C |
| Protection Class | IP20 |
| Dimensions (W×H×D) | 35 mm × 90 mm × 70 mm |
| Weight | 0.2 kg |


Industrial Applications
This module excels in manufacturing execution systems (MES), packaging machinery, and robotic assembly lines. Compatible with B&R’s X20 system architecture, it interfaces seamlessly with controllers like X20CP1586 and communication modules such as X20IF1092. Typical implementations include conveyor belt monitoring, safety interlock systems, and equipment status reporting in automotive, food processing, and pharmaceutical industries.
Our Commitment
Vertex Industrial sources premium industrial automation components from global suppliers, specializing in new surplus and certified refurbished hardware. All products include 1-year warranty with dedicated technical support. Our engineers provide personalized configuration guidance and troubleshooting assistance. Email us for custom solutions or unavailable models.
Vertex Industrial: Global specialists in ABB, B&R, Siemens, and Rockwell automation systems. We bridge supply chain gaps through our international warehouse network, delivering mission-critical components since 2010.

















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