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The ABB DI801-EA, designated internally as 3BSE020508R2, is a high-performance digital input module primarily used in industrial automation and control systems. This module is part of a modular distributed I/O system designed to facilitate efficient signal acquisition and data transmission within complex automation architectures.
Engineered for reliability and flexibility, the DI801-EA is capable of interfacing with multiple input signals and transmitting digital states to controllers such as PLCs or DCS systems. Its robust design supports industrial-grade electrical isolation and noise immunity, making it suitable for harsh manufacturing and processing environments.
| Parameter | Specification |
|---|---|
| Model | DI801-EA |
| Internal Code | 3BSE020508R2 |
| Module Type | Digital Input Module |
| Number of Inputs | 8 channels |
| Input Voltage Range | 24 V DC nominal |
| Input Current | ≤ 5 mA per input |
| Isolation Voltage | 500 V AC (input to bus) |
| Input Signal Type | Digital (on/off) |
| Response Time | ≤ 5 ms |
| Operating Temperature | -25°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions (L × W × H) | 120 mm × 30 mm × 110 mm |
| Weight | 0.25 kg |
| Mounting | DIN Rail |
| Power Consumption | 1.5 W |
| Communication Interface | Bus connector (fieldbus dependent) |
| Certification | CE, UL, CSA |
Industrial Automation Systems: Used extensively for digital signal acquisition in Programmable Logic Controllers (PLCs), enabling control of machinery and process equipment.
Process Control: Interfaces with sensors and switches in process industries such as chemical, oil & gas, and pharmaceuticals for discrete signal monitoring.
Manufacturing Lines: Integrated into assembly lines and robotics for real-time input status monitoring and fast control response.
Building Automation: Employed in HVAC and lighting control systems for efficient monitoring of digital signals.
Power Distribution and Management: Used to acquire digital inputs from breakers, relays, and switches in power plants and substations.
Reliable Signal Processing: Fast response time (≤ 5 ms) ensures timely and accurate digital input status for control systems.
Compact and Modular Design: Fits neatly on DIN rails, enabling flexible system expansion and easy integration with other modules.
High Electrical Isolation: 500 V AC isolation between input and bus reduces the risk of electrical noise and damage.
Wide Operating Temperature: Designed to operate reliably from -25°C to +60°C in industrial environments.
Low Power Consumption: Efficient energy use reduces the overall system power budget.
Easy Installation and Maintenance: Standardized mounting and bus connectors simplify wiring and reduce downtime.
Brand: ABB
Series: Digital Input Modules (DI Series)
Category: Distributed I/O Modules
| Model | Number of Inputs | Input Voltage | Dimensions (mm) | Weight (kg) | Notes |
|---|---|---|---|---|---|
| DI801-EA | 8 | 24 V DC | 120 × 30 × 110 | 0.25 | Standard digital input module |
| DI802-EC | 16 | 24 V DC | 140 × 40 × 120 | 0.35 | Double channel count with same voltage |
| DI801-EB | 8 | 12-24 V DC | 120 × 30 × 110 | 0.26 | Wide input voltage range |
| DI803-EA | 8 | 110 V AC | 130 × 35 × 115 | 0.28 | For AC digital inputs |
| DI804-EC | 16 | 24 V DC | 150 × 40 × 120 | 0.38 | High channel density module |
| Model | Module Type | Input Channels | Input Voltage | Dimensions (mm) | Weight (kg) | Key Use Case |
|---|---|---|---|---|---|---|
| DI801-EA | Digital Input | 8 | 24 V DC | 120 × 30 × 110 | 0.25 | Standard digital input module |
| DO801-EA | Digital Output | 8 | 24 V DC | 120 × 30 × 110 | 0.27 | Complementary digital output module |
| AI801-EA | Analog Input | 4 | 0-10 V DC | 120 × 30 × 110 | 0.28 | For analog sensor signals |
| AO801-EA | Analog Output | 4 | 0-10 V DC | 120 × 30 × 110 | 0.28 | Analog output control |
| DI802-EC | Digital Input | 16 | 24 V DC | 140 × 40 × 120 | 0.35 | Higher channel density input |
Q1: What is the primary function of the DI801-EA?
A1: It collects digital input signals from field devices and transmits them to the control system for processing.
Q2: How many inputs does the DI801-EA support?
A2: It supports 8 digital input channels.
Q3: What is the nominal input voltage for this module?
A3: The nominal input voltage is 24 V DC.
Q4: Can it be installed on standard DIN rails?
A4: Yes, the module is designed for DIN rail mounting for easy installation.
Q5: What is the operating temperature range?
A5: It operates reliably from -25°C to +60°C.
Q6: How does the module handle electrical noise?
A6: It offers 500 V AC electrical isolation between inputs and bus to protect against noise.
Q7: What is the response time of the input signals?
A7: The response time is typically less than or equal to 5 milliseconds.
Q8: Is this module compatible with other ABB control systems?
A8: Yes, it is designed to integrate seamlessly with ABB’s distributed I/O and control systems.
Q9: What type of signals can this module detect?
A9: It detects on/off digital signals from switches, sensors, and contact closures.
Q10: How much power does the DI801-EA consume?
A10: The module consumes approximately 1.5 watts during operation.
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