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Product Introduction
The ABB DI885 3BSE013088R1 Digital Input Module is a compact, high-reliability component designed to interface field digital signals into ABB’s AC 800M controller systems. Built for use within ABB 800xA DCS (Distributed Control System), it allows users to connect sensors, switches, and devices generating on/off status signals to the automation system.
The DI885 supports 16 digital input channels, offering fast signal acquisition and robust isolation to protect system integrity. Designed for harsh environments, the module ensures consistent performance in applications with demanding reliability requirements. Its advanced diagnostic capabilities contribute to simplified maintenance and greater system availability.
The module is DIN rail mountable, lightweight, and integrates seamlessly into modern industrial automation networks. It’s commonly used across sectors like power generation, oil & gas, chemicals, water treatment, and manufacturing.
Product Parameters
| Parameter | Specification |
|---|---|
| Product Code | DI885 |
| Article Number | 3BSE013088R1 |
| Type | Digital Input Module |
| System Compatibility | AC 800M / 800xA DCS |
| Number of Input Channels | 16 |
| Input Voltage Range | 18–30 VDC (Nominal 24 VDC) |
| Input Current per Channel | Approx. 7 mA |
| Input Delay (ON to OFF / OFF to ON) | < 4 ms |
| Isolation | 500 V galvanic isolation |
| Diagnostic Functions | Channel diagnostics, module diagnostics |
| Indicators | Per-channel LED + system status LEDs |
| Power Consumption | ~ 3.0 W |
| Mounting | DIN Rail |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Relative Humidity | 5% to 95%, non-condensing |
| Vibration Tolerance | 1.0 g (10–150 Hz) |
| Shock Tolerance | 15 g, 11 ms half-sine |
| Compliance / Certifications | CE, UL, CSA, RoHS |
| Dimensions (H x W x D) | 45 x 102 x 119 mm |
| Weight | 0.3 kg |
Applications
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Power Generation: Interface for turbine and generator protection signals, switchgear status, and safety interlocks.
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Oil & Gas: Inputs from emergency shutdown systems, pump start/stop monitoring, valve positions, and field instrumentation.
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Chemical & Petrochemical: Digital signal processing from level switches, alarms, and system interlocks.
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Water & Wastewater Treatment: Monitoring of pump operation, tank levels, valve positions, and process alarms.
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Metals & Mining: Conveyor belt status, emergency stops, crusher controls, and equipment interlocks.
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General Manufacturing: Factory automation, machine control, packaging lines, and robotics integration.
Advantages
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High Input Density: 16 digital input channels per module, optimizing space.
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Fast Switching Response: < 4 ms, suitable for time-sensitive applications.
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Robust Electrical Isolation: Prevents cross-channel interference and protects control systems.
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Integrated Diagnostics: Helps operators quickly identify and resolve faults.
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Compact Size: Saves valuable space in control cabinets.
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Wide Input Voltage Range: Compatible with various field devices.
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Energy Efficient: Low heat generation reduces cooling needs.
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Rugged Design: Operates reliably in harsh industrial environments.
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Easy Installation: DIN rail mounting and modular design.
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Global Compliance: Certified to international standards.
FAQ
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What is the typical use of the DI885 module?
It connects digital signals (on/off) from field equipment such as sensors and switches into ABB’s AC 800M system. -
Can the DI885 be used in outdoor enclosures?
Yes, provided the enclosure meets IP-rated standards for temperature and humidity tolerance. -
What kind of diagnostic information does the DI885 provide?
The module offers channel-level diagnostics (such as wire break detection) and module health status. -
What is the maximum update frequency for inputs?
The module responds with delays of less than 4 ms, suitable for most real-time applications. -
Is the DI885 hot-swappable?
Modules can be replaced with minimal downtime, but full hot-swap capability depends on the specific system configuration. -
What field devices are compatible with the DI885?
Devices such as limit switches, pushbuttons, proximity sensors, E-stops, and relay contacts. -
How does the module handle electrical noise?
It offers galvanic isolation and noise rejection, ensuring reliable signal acquisition even in electrically noisy environments. -
Does the DI885 support redundant configurations?
Yes, redundancy can be implemented at the controller level to enhance system availability. -
How are the input channels protected?
Each channel has built-in over-voltage and surge protection. -
What are the maintenance requirements for the DI885?
The module is maintenance-free apart from periodic system checks and visual inspections of connectors and wiring.
Recommended Models (Same Series / Related Models)
| Model | Description |
|---|---|
| DI890 | Digital Input Module, 32 channels |
| DO880 | Digital Output Module, 16 channels |
| AI890 | Analog Input Module, 8 channels |
| AO890 | Analog Output Module, 8 channels |
| TU890 | Module Termination Unit |
| PM864 | AC 800M Processor Module |
Popular ABB Models (Same Brand)
| Model | Description |
|---|---|
| AC800M PM865 | High-performance CPU module |
| AI810 | Analog Input Module |
| DO810 | Digital Output Module |
| SD822 | Pulse Input Module |
| PM856 | Redundant Controller Processor |
| CI854A | PROFIBUS DP Communication Interface |
