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ABB di581-s:s500, safety digital input module 16sdi, 16sdi sil2/ 8sdi sil3,
ABB 1SAP284000R0001 DI581-S S500-S safety digital input module with 16 safety inputs, SIL2/SIL3 configuration, 24 V DC operation and eight test pulse outputs for AC500-S functional safety systems.
£384.00
Why Choose the ABB 1SAP284000R0001 DI581-S Safety Digital Input Module?
The ABB 1SAP284000R0001, type designation DI581-S, is a dedicated safety digital input module designed for functional safety applications within ABB AC500-S industrial automation systems. As part of the ABB S500-S safety I/O series, it provides safety-related 24 V DC digital inputs for monitoring emergency stops, safety switches, interlocks and other compatible safety devices.
The DI581-S provides 16 safety digital inputs and can be configured with 16 SDI for SIL2 applications or 8 SDI for SIL3 applications. It also incorporates 8 test pulse outputs to support diagnostic monitoring of connected safety circuits, helping detect faults in demanding machine and process safety installations.
Designed for 24 V DC industrial control systems, the DI581-S uses a 1-wire connection and supports an input voltage range of 0–30 V DC. Its compact 67.5 × 76 × 62 mm construction and IP20 protection make it suitable for installation within protected industrial control cabinets as part of an ABB AC500-S safety PLC architecture.
Key Advantages
- 16 safety digital inputs for monitoring safety-related field devices.
- Supports 16 SDI in SIL2 applications or 8 SDI in SIL3 applications.
- 8 test pulse outputs support safety circuit diagnostics.
- Designed for standard 24 V DC industrial safety signals.
- Designed for integration with the ABB AC500-S and S500-S safety automation platform.
- Compact construction provides high safety I/O density while conserving control cabinet space.
Key Features
- ABB DI581-S S500-S safety digital input module.
- 16 safety digital inputs.
- 16 SDI SIL2 / 8 SDI SIL3 configuration.
- 24 V DC nominal input system.
- 0–30 V DC input voltage range.
- 7 mA input current.
- 8 test pulse outputs.
- 1–500 ms configurable input delay.
- 1-wire connection.
- IP20 degree of protection.
- Compact S500-S construction for industrial safety control cabinets.
Reliable Digital Input Monitoring for Functional Safety
Safety digital input modules provide the interface between safety-related field devices and a safety PLC. The ABB DI581-S monitors signals from compatible emergency-stop devices, safety switches, interlocks and other protective equipment, allowing the AC500-S safety controller to evaluate their state as part of a functional safety application.
The DI581-S combines 16 safety digital inputs with eight test pulse outputs for diagnostic monitoring of connected circuits. Its configurable SIL2 and SIL3 channel arrangements allow the module to be incorporated into a broad range of machine and process safety architectures where reliable detection of safety-related digital signals is required.
Typical Applications
- Emergency-stop circuit monitoring.
- Safety door and guard switch monitoring.
- Machine safety and interlocking systems.
- ABB AC500-S safety PLC installations.
- Safety sensor and protective device monitoring.
- Robotics and automated production equipment.
- Material handling and conveyor safety systems.
- Process and factory automation safety applications.
Technical Specifications
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| Signal / Input Range | 24 V DC | |
|---|---|---|
| Device Type | Safety Module | |
| Digital Inputs | 16 | |
| Signal Type / Function | Digital | |
| Product Series | ABB AC500-S | |
| IP Rating | IP20 | |
| Manufacturer | ABB | |
| Series | S500-S | |
| PLC range | AC500-S | |
| Model | DI581-S | |
| Part number | 1SAP284000R0001 | |
| Product type | Safety digital input module | |
| Number of digital inputs | 16 | |
| SIL2 configuration | 16 safety digital inputs | |
| SIL3 configuration | 8 safety digital inputs | |
| Nominal input voltage | 24 V DC | |
| Input voltage type | DC | |
| Input voltage range | 0–30 V DC | |
| Input current | 7 mA | |
| Test pulse outputs | 8 | |
| Input delay | 1–500 ms | |
| Wiring method | 1-wire | |
| Protection rating | IP20 | |
| Dimensions (W × H × D) | 67.5 × 76 × 62 mm | |
| Net weight | approx. 0.122 kg | |
| EAN | 4016779681797 | |
| CN8 code | 85389091 | |
| HS Code | 85389091 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB 1SAP284000R0001 used for?
The ABB 1SAP284000R0001 DI581-S is a safety digital input module used to monitor compatible safety-related switches, sensors, emergency-stop devices and interlocks within ABB AC500-S functional safety systems.
How many safety digital inputs does the ABB DI581-S have?
The DI581-S provides 16 safety digital inputs. It supports 16 SDI for SIL2 applications or 8 SDI when configured for SIL3 applications.
What voltage does the ABB DI581-S use?
The DI581-S is designed for 24 V DC safety signals and supports an input voltage range of 0–30 V DC.
Does the ABB DI581-S support SIL2 and SIL3 applications?
Yes. The DI581-S can provide 16 safety digital inputs for SIL2 applications or 8 safety digital inputs for SIL3 applications when integrated and configured according to the requirements of the AC500-S safety system.
What are the test pulse outputs on the DI581-S used for?
The DI581-S provides 8 test pulse outputs for diagnostic monitoring of compatible safety input circuits, helping the safety system detect wiring and circuit faults.
Trusted Functional Safety Automation from ABB
ABB AC500-S and S500-S safety automation products provide integrated functional safety capabilities for industrial machinery and process applications, enabling safety-related field signals to be incorporated into scalable PLC safety architectures.
