Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The ABB DI581-S (1SAP284000R0001) is a secure digital input module designed for use in ABB’s automation and control systems. This module is responsible for acquiring digital signals from field devices, ensuring secure and reliable input signal processing for industrial applications.
The DI581-S is designed to handle discrete ON/OFF signals while maintaining high levels of security, stability, and compatibility within the automation systems.
| Parameter | Details |
|---|---|
| Manufacturer | ABB |
| Model | DI581-S |
| Part Number | 1SAP284000R0001 |
| Product Type | Secure Digital Input Module |
| Function | Digital signal acquisition |
| Input Type | Discrete ON/OFF signals |
| Signal Type | Digital input (discrete) |
| Installation Type | Panel or rack mounting |
| Dimensions | 62 × 76 × 67.5 mm |
| Weight | 0.122 kg |
| System Compatibility | ABB automation systems |
| Operating Environment | Industrial-grade, secure applications |
The DI581-S operates as a digital signal acquisition module within control systems.
Its working process includes:
This guarantees secure and accurate digital signal processing.
Within ABB automation systems, the DI581-S plays an important role:
It is essential for applications requiring reliable digital input handling and secure data acquisition.
The ABB DI581-S Digital Input Module is widely used in:
It is particularly suited for industries where secure and reliable input handling is a priority.
For optimal performance, the module should be installed as follows:
Correct installation ensures stable and secure signal processing.
The DI581-S typically works with:
These components together form a complete and secure control system.
| Model | Type | Key Feature | Application |
|---|---|---|---|
| DI581 | Digital Input Module | Similar functionality | Automation systems |
| DI502 | Digital Input | Modular input expansion | PLC systems |
| AI series modules | Analog Input | Signal processing | Process control |
| ABB I/O modules | I/O Module | Flexible system expansion | Industrial control |
| CM communication modules | Interface Module | Secure communication | Networked systems |
What is the primary function of the DI581-S?
It acquires and processes digital signals from field devices.
What types of signals does it handle?
It handles discrete ON/OFF digital input signals.
Where is it commonly used?
It is used in industrial control systems where secure and reliable input signal processing is required.
The ABB DI581-S (1SAP284000R0001) Secure Digital Input Module is an essential component for reliable and secure signal acquisition in industrial automation systems. Its compact design, stability, and security features make it ideal for critical input handling applications.