ABB DO840 3BSE020838R1 | 16-Channel Digital Output Module
Manufacturer: ABB
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Part Number: DO840
Condition：New with Original Package
Product Type: 16-Channel Digital Output Module
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB DO840 3BSE020838R1 Digital Output Module
Overview
The ABB DO840 3BSE020838R1 is a digital output module developed for the ABB S800 I/O system, compatible with System 800xA and other ABB automation platforms.
It features 16 current-sourcing output channels, divided into two isolated groups of 8 channels, each with a dedicated voltage supervision input.
Every channel integrates current limiting, over-temperature protection, and inductive load suppression, ensuring stable operation in demanding environments.
The module also includes EMC protection and LED indicators for real-time output monitoring.
Its robust design supports both redundant and single configurations, making it a reliable choice for process control, power generation, and industrial automation systems.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | ABB |
| Model Number | DO840 |
| Part Number | 3BSE020838R1 |
| Product Type | Digital Output Module |
| Series | ABB S800 I/O |
| Number of Outputs | 16 digital outputs |
| Output Type | Current sourcing, 24 V DC |
| Max Continuous Output Current | 0.5 A per channel |
| Output Grouping | Two isolated groups of 8 channels |
| Voltage Supervision | One input per group |
| Protection Features | Current limiting, over-temperature protection, inductive load suppression |
| Diagnostics | Advanced self-checks with output state LED indicators |
| Isolation | Optical isolation between groups and logic |
| Error Handling | OSP (Output Set Point) for safe output state during faults |
| Mounting Type | DIN rail |
| Power Supply | 24 V DC |
| Operating Temperature | –20°C to +70°C |
| Protection Rating | IP20 (requires enclosure) |
| Application Areas | Industrial automation, process control, energy, manufacturing systems |
FAQs
Q1: How many digital outputs does the ABB DO840 provide?
✅ The DO840 includes 16 digital output channels, divided into two groups of 8 with voltage supervision.
Q2: What is the maximum output current per channel?
✅ Each channel supports a continuous output current of 0.5 A, with built-in current limiting.
Q3: Is the DO840 protected against overheating or short circuits?
✅ Yes, each output channel includes over-temperature and over-current protection, ensuring long-term reliability.
Q4: Can the module operate in redundant configurations?
✅ Absolutely. The DO840 is designed for both single and redundant applications within ABB’s S800 I/O system.
Q5: What systems are compatible with the DO840 module?
✅ The module works seamlessly with ABB System 800xA and AC800M controllers.