Description
Product Overview
The ABB DI840 3BSE020836R1 is a 24-channel digital input module designed for ABB’s S800 I/O system, enabling reliable acquisition of discrete field signals in distributed control and automation architectures. Engineered for high-speed and noise-resilient operation, the ABB DI840 3BSE020836R1 supports both sourcing and sinking input types, making it adaptable to a wide variety of sensor and switch configurations. With galvanic isolation per channel and robust fault-detection capabilities, this module ensures accurate signal reading and enhanced system safety. The ABB DI840 3BSE020836R1 is ideal for process industries and manufacturing environments that require scalable, high-performance input handling with minimal downtime and maintenance.
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Product Model: DI840 3BSE020836R1
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Brand: ABB
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Warranty: One Year
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Input Voltage: 24 V DC ±20%
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Operating Temperature: -40°C to +70°C
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Storage Temperature: -50°C to +85°C
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Response Time: ≤1 ms
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Protection Class: IP20
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Accuracy Class: N/A (digital input)
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Output Frequency: N/A (input module)
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Rated Current Range: 4 mA per channel (typical at 24 V DC)
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Communication Interface: S800 I/O backplane (module bus)
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Supported Protocols: ABB S800 I/O native protocol (System 800xA compatible)
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Overload Capacity: Overvoltage and reverse polarity protected per channel
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Dimensions: 99 mm x 35 mm x 112 mm
Key Features and Benefits
High-density Digital Input Channels: Provides 24 individually isolated input channels in a single module footprint. The ABB DI840 3BSE020836R1 maximizes I/O density in compact control cabinets while preserving signal integrity across all channels.
Configurable Input Types: Supports configurable sourcing and sinking modes, allowing the ABB DI840 3BSE020836R1 to integrate seamlessly with diverse field devices such as proximity sensors, pushbuttons, and limit switches.
Advanced Signal Integrity and Diagnostics: Features per-channel isolation, debounce filtering, and live/open wire detection to ensure reliable input states and reduce false triggers caused by electrical noise or faulty wiring.
Application Scenarios
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Machine Status Monitoring: Capturing run, fault, and position signals from conveyors, robotic cells, and automated machinery in manufacturing plants.
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