Product Overview
The ABB DI801 3BSE020508R1 is a high-density digital input module used in the ABB S800 I/O series for distributed control systems such as ABB AC800M and 800xA. This module /fers 16 channels for 24 V DC digital inputs and supports sink (negative logic) configuration. It features status LEDs for each channel, internal diagnostics, and robust noise imm台y, making it a highly reliable module for industrial automation and process control systems.
The DI801 module is engineered to deliver rapid response and high reliability in challenging industrial environments, /fering seamless integration with ABB’s automation platforms via ModuleBus communication.
Key Features
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16-channel 24 V DC digital input
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Sink (negative logic) type input configuration
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Channel-level status LEDs for real-time diagnostics
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Galvanic isolation between input channels and system bus
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Integrated fuse protection for enhanced safety
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Designed for ABB S800 I/O systems
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DIN rail mounting with compact form factor
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Hot swap capability for reduced downtime
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | DI801 |
| 型番 | 3BSE020508R1 |
| Module Type | Digital Input Module |
| Number / Channels | 16 |
| Input Voltage | 24 V DC nominal (range: 18 to 30 V DC) |
| Input Type | Sink (negative logic) |
| Input Current | 6 mA per channel at 24 V DC |
| Galvanic Isolation | Yes, between field and system logic |
| Channel Status LEDs | One per channel |
| Internal Diagnostics | Input fault detection, fuse monitoring |
| Wiring Type | Single-ended with shielded cable |
| Response Time | < 4 ms |
| Cooling | Natural air convection |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Relative Humidity | 5% to 95%, non-condensing |
| Shock/Vibration | IEC 60068-2 compliant |
| Certifications | CE, RoHS, UL, CSA, Marine certifications |
| Dimensions | 86.1×58.5×110 mm |
| 重量 | 0.24 kg |
Industry Applications
The DI801 is widely used in distributed control and automation systems across various sectors where 24 V DC input detection is essential:
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Oil & Gas – Monitoring valve positions, interlocks, and alarms
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Power Generation – Status signals from breakers, switches, and sensors
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Chemical & Petrochemical – Secure logic interfacing in hazardous zones
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Pharmaceutical – Digital feedback from process instruments
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Food & Beverage – Compact integration with production line sensors
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Water & Wastewater – Input monitoring from float switches, pumps, and level sensors
Product Advantages
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Compact Design – Space-efficient module with high input density
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Robust Operation – Performs reliably under electromagnetic and environmental stress
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Field Diagnostics – LED indicators help in fast fault location
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Safe and Isolated – Galvanic isolation reduces risk / system faults
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Flexible Wiring – サポートs a range / digital field input devices
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S800 I/O Compatibility – Seamless integration with AC800M, 800xA
よくある質問 (FAQ)
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What is the primary function / the DI801 module?
It reads the ON/OFF status / 16 digital signals from field devices at 24 V DC. -
Which logic type does it use—sink or source?
The DI801 uses sink-type logic (negative logic). -
Can I monitor the status / each input?
Yes, each channel includes an LED indicator for live status feedback. -
Is the module hot-swappable?
Yes, you can hot swap it without shutting down the system. -
Which ABB system is the DI801 compatible with?
It works with S800 I/O, and integrates with AC800M, 800xA, and Freelance DCS. -
How is the module installed?
It mounts on a DIN rail via terminal base 台s like TU830V1 or TU810V1. -
Does it provide electrical isolation?
Yes, it has galvanic isolation between channels and control logic. -
What is the input response time?
Typically under 4 milliseconds, ensuring fast signal capture. -
Is the module certified for marine or hazardous use?
Yes, it meets marine and industrial certifications including CE and RoHS. -
What happens if an input fuse fails?
The module’s diagnostics will detect and report fuse failure immediately.
Related モデルs in the Same Series
| モデル | 説明 |
|---|---|
| DI802 3BSE022364R1 | 16-channel Digital Input, source (positive logic) |
| DO801 3BSE020512R1 | 16-channel Digital Output Module |
| DI803 3BSE022362R1 | 8 isolated digital inputs, 24 V DC |
| AO801 3BSE020514R1 | 8-channel Analog Output Module |
| AI801 3BSE020508R1 | 8-channel Analog Input Module |
| TU810V1 | Terminal ユニット for S800 modules |
Popular ABB Automation Modules
| モデル | 説明 |
|---|---|
| PM861AK01 | CPU Module for AC800M |
| CI854AK01 | PROFIBUS DP Interface Module |
| AI810 | 8-channel Analog Input, S800 I/O |
| DO810 | 16-channel Digital Output, S800 I/O |
| CI840A | Communication Interface for S800 I/O |
| CI865 | MODBUS RTU/ASCII interface for System 800xA |
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