Brand & Model:ABB AB 1791-OB32
Product Type:PLC Block I/O Module
Operating System Compatibility:ABB programmable logic controllers
Input Channels:16 digital inputs
Output Channels:8 digital outputs
Power Supply:DC 24V
Communication Interface:Modbus RTU
Dimensions:200mm x 100mm x 50mm
Weight:0.5kg
Environmental Conditions:Operating temperature -20°C to +70°C; Storage temperature -40°C to +85°C
Certifications:CE, UL, CSA, TÜV
The ABB AB 1791-OB32 PLC BLOCK Input/Output Module is a high-performance solution designed for seamless integration into a wide range of industrial automation systems. This module supports RS-485 communication, ensuring robust data exchange between devices. With its compatibility to Modbus RTU protocol, it facilitates easy setup and configuration within existing systems.
Equipped with a versatile DC 24V power supply, the module ensures stable operation under various environmental conditions. It is rated for an operating temperature range of -10°C to +60°C, making it suitable for diverse industrial settings. Additionally, it can withstand humidity levels up to 95% non-condensing, providing durability against moisture and humidity.
Featuring compact dimensions of 104mm x 104mm x 134mm and a lightweight design weighing just 0.3kg, this module offers space-saving installation options without compromising on functionality. Its robust construction and efficient performance make it an ideal choice for enhancing the reliability and efficiency of industrial automation setups.
The ABB AB 1791-OB32 PLC BLOCK Input/Output Module is meticulously designed to meet the stringent demands of modern industrial environments. Its compatibility with various communication protocols, combined with its high operational reliability, makes it a preferred choice among engineers and automation professionals seeking seamless integration and enhanced system performance.
For optimal performance, we recommend proper installation guidelines and periodic maintenance checks. Our technical support team is available to assist with any queries or customization requirements, ensuring a smooth and successful integration into your existing automation infrastructure.

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What are the main features of ABB ABB AB 1791-OB32 PLC BLOCK Input/Output Module?
Key features include: high-speed processing and real-time response, robust design for harsh industrial environments, easy integration with existing automation systems, advanced diagnostics and monitoring capabilities, and compliance with international industrial standards.
Where is ABB ABB AB 1791-OB32 PLC BLOCK Input/Output Module commonly used?
The ABB ABB AB 1791-OB32 PLC BLOCK Input/Output Module is widely used in distributed control systems, process automation, oil and gas refineries, chemical plants, and power generation. It is ideal for factories, plants, and facilities requiring dependable automation control.
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Leading supplier of industrial automation parts for global manufacturers. This Industrial Power Supply Unit is designed for demanding industrial environments. As a professional supplier of DC power supply and power module, we provide genuine products with competitive pricing and reliable after-sales service.
Our industrial PSU solutions are widely used in process automation and manufacturing environments. Whether you need a replacement part or a complete system upgrade, this dc power supply delivers consistent performance and long service life. We specialize in sourcing hard-to-find and obsolete automation components for legacy systems.
Common Applications:
- Marine and offshore operations
- Steel and metal processing
- Building automation and HVAC control
Key Features & Specifications Highlights:
- 24/7 technical support and after-sales service
- Wide operating temperature range (-20°C to 60°C)
- Low power consumption with energy-efficient design
- LED status indicators for quick diagnostics
- Worldwide fast shipping with secure packaging
- Easy integration with existing control systems
- Firmware upgradeable for future-proof operation
- Extended lifecycle with proven reliability in harsh environments
⚡ Same-day dispatch for in-stock items | 💰 Wholesale pricing available | 🔧 Expert technical assistance
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