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The ABB DI828 (part number 3BSE069054R1) is a high-performance 16-channel digital input module engineered for use within the ABB S800 I/O system. Specifically designed to handle 120 V AC or DC input signals, the DI828 is suitable for applications where robust input monitoring, galvanic isolation, and intelligent diagnostics are critical.
Each input channel is individually isolated, providing excellent protection against signal interference. With configurable input filtering, voltage supervision, and diagnostic LEDs, the DI828 module is ideal for demanding industrial environments where safety, reliability, and scalability are essential.
| Parameter | Specification |
|---|---|
| Input Channels | 16 (Individually Isolated) |
| Input Voltage Range | 77–130 V AC / 75–130 V DC |
| Input Current | AC: ~8.5 mA @ 120 V DC: ~2.4 mA @ 120 V |
| Input Impedance | AC: 14.2 kΩ DC: 50 kΩ |
| Filter Time Settings | Selectable: 2.5 / 5 / 10 / 20 ms |
| Voltage Supervision | Yes (Channel 1 supervises 2–8, Channel 16 supervises 9–15) |
| Status Indicators | 16 Input LEDs + 2 Supervision LEDs |
| Isolation | Optical isolation per channel, 2 kV AC dielectric strength |
| Power Dissipation | Approx. 3.5 W |
| ModuleBus Current (5 V) | Typ. 45 mA / Max. 60 mA |
| Max. Cable Length | AC: 200 m / DC: 600 m (Assumes 100 pF/m) |
| Mounting | DIN-rail or baseplate via terminal unit TU830/TU833 |
| Protection Rating | IP20 |
| Operating Temperature | -25°C to +70°C |
| Dimensions (W × D × H) | 45 mm × 102 mm × 119 mm |
| Weight | Approx. 0.15 kg |
Monitoring of 120 V AC/DC field signals in distributed control systems
Integration into factory automation, chemical processing, power generation, and utility management
Suitable for critical control environments requiring precise channel-level isolation
Used in redundant and non-redundant systems in conjunction with ABB’s S800 I/O platform
Ideal for motor starters, limit switches, relays, and other industrial equipment
✅ High Isolation Safety: Each of the 16 inputs is independently isolated, ensuring enhanced signal integrity.
✅ Universal Voltage Support: Compatible with both 120 V AC and DC inputs, providing flexibility for different power standards.
✅ Built-in Diagnostics: Includes LED indicators and supervision functions for fast fault detection and monitoring.
✅ Noise Immunity: Advanced signal filtering capabilities make it ideal for environments with high electromagnetic interference.
✅ Modular Design: Seamlessly integrates with other S800 I/O modules and ABB automation systems.
| Model | Input Type | Voltage | Channels | Size (mm) | Weight (kg) |
|---|---|---|---|---|---|
| DI818 | Digital Input | 120 V AC/DC | 32 | 45 × 102 × 119 | 0.18 |
| DI821 | Digital Input | 230 V AC | 8 | 45 × 102 × 119 | 0.18 |
| DI825 | Digital Input (Redundant) | 125 V DC | 16 | 45 × 102 × 119 | 0.14 |
| DI830 | Digital Input (SOE Support) | 24 V DC | 8 | 45 × 102 × 119 | 0.22 |
| DI840 | Digital Input (NAMUR) | 16 V DC | 8 | 45 × 102 × 119 | 0.15 |
| Model | Type | Signal Range | Channels | Size (mm) | Weight (kg) |
|---|---|---|---|---|---|
| AI845 | Analog Input | 0–20 mA, 4–20 mA, HART | 8 | 45 × 102 × 119 | 0.23 |
| AI830A | Analog Input | RTD (Pt100, Cu10, etc.) | 8 | 45 × 102 × 119 | 0.157 |
| AO845A | Analog Output | 4–20 mA, HART | 8 | 45 × 102 × 119 | 0.21 |
| AO820 | Analog Output | ±20 mA, ±10 V | 4 | 45 × 102 × 119 | 0.18 |
| DO828 | Digital Output | 125 V DC / 250 V AC, Relay | 16 | 45 × 102 × 119 | 0.18 |
Q1: What is the primary use of DI828?
A1: It is used for detecting and monitoring 120 V AC or DC digital signals in industrial automation systems.
Q2: Is each input isolated in the DI828 module?
A2: Yes, all 16 channels are individually optically isolated for improved safety and signal accuracy.
Q3: Can DI828 be used in both AC and DC circuits?
A3: Yes, it supports a wide input range: 77–130 V AC and 75–130 V DC.
Q4: Does it have supervision functionality?
A4: Yes, it includes voltage supervision for two groups of channels with LED status indicators.
Q5: What kind of filtering does it offer?
A5: It supports selectable digital filtering at 2.5 ms, 5 ms, 10 ms, and 20 ms.
Q6: How is the DI828 connected physically?
A6: It mounts on S800 I/O termination units like TU830 or TU833 via the ModuleBus.
Q7: What environments is it suited for?
A7: It performs reliably in industrial settings with high electrical noise or requiring channel separation.
Q8: Can the module be hot-swapped during operation?
A8: Yes, the S800 system design allows for safe hot-swapping of modules under certain conditions.
Q9: How heavy is the DI828?
A9: It weighs approximately 0.15 kg.
Q10: Does DI828 work with other brands’ PLCs?
A10: While optimized for ABB systems, it can be integrated into third-party DCS/PLC architectures with proper configuration.
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