Product Overview
The ABB DI803 3BSE022362R1 is an 8-channel digital input module designed for use within the ABB S800 I/O system, enabling secure and reliable acquisition / isolated 24 V DC digital signals. It is ideally suited for applications requiring high electrical isolation between input channels and the system, /ten in demanding or safety-critical automation environments.
Each input channel in the DI803 module is galvanically isolated from the others and from the backplane, providing strong protection against ground loops and electrical noise. With advanced diagnostics and real-time status indication via LEDs, the DI803 ensures dependable monitoring and fast maintenance response in industrial settings.
Key Features
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8 isolated digital input channels
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Accepts 24 V DC input signals
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Channel-to-channel and channel-to-system isolation
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Status indication LEDs on each input
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High imm台y to electromagnetic interference (EMI)
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Compatible with ABB S800 I/O terminals and base 台s
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Hot-swappable to support continuous operation during maintenance
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Ideal for mission-critical and safety-related applications
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | DI803 |
| 型番 | 3BSE022362R1 |
| Module Type | Digital Input Module |
| Number / Channels | 8 |
| Input Voltage Range | 18–30 V DC (Nominal: 24 V DC) |
| Input Type | Isolated, Positive Logic (source type) |
| Channel Isolation | Yes, channel-to-channel and channel-to-backplane |
| Input Impedance | > 4.5 kΩ |
| Input Current | Approx. 6 mA at 24 V DC |
| Status LEDs | One per channel |
| Input Delay | Typically < 4 ms |
| Hot Swap Capability | Yes |
| Power Consumption | < 1.2 W |
| Connection Type | Via S800 terminal 台s (e.g., TU830V1, TU810V1) |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Relative Humidity | 5% to 95% (non-condensing) |
| Protection Class | IP20 |
| Approvals & Compliance | CE, UL, cUL, CSA, RoHS, Marine Certifications |
| Dimensions | 86.1 x 58.5 x 110 mm |
| 重量 | 0.24 kg |
Industry Applications
The ABB DI803 is purpose-built for applications requiring high-channel isolation and reliable digital signal acquisition. It is widely used in:
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Power Generation and Utilities – Interlock status and fault signal acquisition
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Oil & Gas – High-isolation field signal collection in remote terminal 台s (RTUs)
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Pharmaceuticals – Clean environment input monitoring with safety standards
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Petrochemical Plants – Harsh environments requiring EMI-resistant modules
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Water & Wastewater – Remote digital signal monitoring in SCADA systems
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Factory Automation – Safety signal acquisition and field sensor interfacing
Product Advantages
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Fully Isolated Channels – Ideal for critical applications and field signal protection
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Hot-Swappable Design – Minimizes system downtime during maintenance activities
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Compact Size – 保存s panel space while maintaining high performance
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LED Indicators – Channel-level fault identification for fast diagnostics
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Rugged Build – High resistance to industrial EMI and environmental stress
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Flexible I/O Integration – Part / ABB’s scalable and modular S800 I/O system
よくある質問 (FAQ)
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How many digital inputs does the DI803 provide?
It provides 8 individually isolated digital inputs. -
Is the DI803 suitable for use in safety systems?
Yes, its channel isolation and diagnostic features support safety-critical applications. -
Can I hot-swap the DI803 module?
Yes, it supports hot-swapping for easy maintenance and upgrades. -
Does the module indicate input status visually?
Yes, it has one LED per input channel for real-time signal status. -
What is the typical input delay time?
The input delay is typically less than 4 milliseconds. -
What kind / input logic does DI803 use?
It uses positive logic (source type) digital inputs. -
Which ABB systems is it compatible with?
It is compatible with S800 I/O, AC800M, and 800xA DCS systems. -
Is DI803 certified for global use?
Yes, it has CE, UL, RoHS, and marine certifications for worldwide applications. -
What type / terminal base is needed?
It works with S800 I/O bases like TU810V1 and TU830V1. -
Can DI803 be used in environments with high EMI?
Yes, it has high electromagnetic compatibility (EMC) for such environments.
Related モデルs in the Same Series
| モデル | 説明 |
|---|---|
| DI801 3BSE020508R1 | 16-channel, non-isolated DI, sink-type (negative logic) |
| DI802 3BSE022360R1 | 16-channel, source-type DI with channel-level diagnostics |
| DO801 3BSE020512R1 | 16-channel Digital Output Module, S800 I/O |
| DO802 3BSE022364R1 | 16-channel DO Module with diagnostics |
| TU830V1 | Compact Terminal ユニット, used with S800 I/O modules |
| AI801 3BSE020508R1 | 8-channel Analog Input Module, S800 I/O |
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|---|---|
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