Sale!

ABB DI581-S

The performance of ABB DI581-S is defined by its high-speed capabilities and robustness, with key parameters outlined below:

 

Category Specific Parameters
Signal Acquisition 8 independent high-speed input channels; supports dry contact (passive) and DC active signals; compatible with 24V DC (standard) or 48V DC (optional)
Response Speed Minimum pulse width: 0.5 μs; signal update rate: up to 1 MHz (1 pulse per microsecond); independent processing per channel
Operating Modes Pulse counting (up to 10⁹ pulses per channel), event logging (with timestamp), threshold alarming (triggers alert when limits are exceeded)
Data Transmission & Storage Supports Profinet IRT/Ethernet Powerlink; transmission latency ≤5 μs; 16 MB buffer per channel (stores up to 1 million events, no data loss during communication interruptions)
Power & Protection 24V DC power supply (operating range: 19.2–52.8V DC); power consumption ≤3 VA; IP20 protection; operating temperature: 0–60°C
Diagnostic Functions Channel self-test, electromagnetic interference detection, power supply monitoring; real-time fault localization (e.g., open circuit, short circuit)
Inquiry now
Manufacturer:

Our extensive catalogue, including , is available now for dispatch to the worldwide.
  • Email: jiedong@sxrszdh.com
  • Phone / Wechat：+86 15340683922

Description

1. Product Overview: What is ABB DI581-S?

ABB DI581-S is a high-speed digital input module under ABB’s Advant Controller series, specifically designed for capturing and processing high-frequency discrete signals with microsecond-level precision. Unlike standard digital input modules that only handle millisecond-level signals, ABB DI581-S excels in scenarios requiring ultra-fast response—such as high-speed spindle speed monitoring, real-time pulse counting for energy meters, and synchronization of high-speed robots. Its core value lies in minimizing signal processing latency (≤1 μs) and ensuring zero data loss, making it a critical component in industries like advanced manufacturing, automotive production, and energy management.

 

As an integral part of ABB’s automation ecosystem, ABB DI581-S seamlessly integrates with ABB Advant controllers, System 800xA SCADA systems, and industrial communication protocols like Profinet IRT and Ethernet Powerlink. This compatibility eliminates integration bottlenecks, allowing high-speed data to flow smoothly across the entire automation chain. With a compact modular design and IP20 protection rating, ABB DI581-S performs reliably in harsh industrial environments (e.g., dusty workshops, areas with strong electromagnetic interference), ensuring consistent performance even under demanding conditions.
For detailed specifications and technical documents, refer to the official link: ABB DI581-S Official Product Page

2. Key Technical Parameters of ABB DI581-S

The performance of ABB DI581-S is defined by its high-speed capabilities and robustness, with key parameters outlined below:

 

Category Specific Parameters
Signal Acquisition 8 independent high-speed input channels; supports dry contact (passive) and DC active signals; compatible with 24V DC (standard) or 48V DC (optional)
Response Speed Minimum pulse width: 0.5 μs; signal update rate: up to 1 MHz (1 pulse per microsecond); independent processing per channel
Operating Modes Pulse counting (up to 10⁹ pulses per channel), event logging (with timestamp), threshold alarming (triggers alert when limits are exceeded)
Data Transmission & Storage Supports Profinet IRT/Ethernet Powerlink; transmission latency ≤5 μs; 16 MB buffer per channel (stores up to 1 million events, no data loss during communication interruptions)
Power & Protection 24V DC power supply (operating range: 19.2–52.8V DC); power consumption ≤3 VA; IP20 protection; operating temperature: 0–60°C
Diagnostic Functions Channel self-test, electromagnetic interference detection, power supply monitoring; real-time fault localization (e.g., open circuit, short circuit)

3. Core Advantages & Features of ABB DI581-S

ABB DI581-S stands out from competing high-speed modules due to three unique advantages:

 

  1. Microsecond-Level Precision for Unmatched Accuracy
    Most high-speed modules on the market have a minimum pulse response of 1–2 μs, but ABB DI581-S can capture pulses as short as 0.5 μs. This is critical for applications like high-speed spindle control (e.g., 30,000 RPM machine tools), where even a 1 μs delay could cause missing pulses or inaccurate speed calculations. With ABB DI581-S, manufacturers avoid costly errors from imprecise data.
  2. Non-Volatile Buffer to Prevent Data Loss
    ABB DI581-S is equipped with a 16 MB independent buffer per channel, capable of storing up to 1 million timestamped events. In case of temporary communication failures (e.g., bus disruptions), the module continues capturing signals and caches data locally. Once communication is restored, it automatically uploads the buffered data—eliminating data gaps in mission-critical scenarios like energy metering or high-volume production counting.
  3. Superior EMI Immunity for Harsh Environments
    Through differential signal transmission and compliance with EN 61000-6-2 (a strict standard for electromagnetic immunity), ABB DI581-S resists interference from high-voltage motors, frequency converters, and welding equipment. For example, in automotive welding workshops—where electromagnetic noise is intense—ABB DI581-S maintains stable signal capture, ensuring robots and conveyors operate in sync without false triggers.

4. Application Cases of ABB DI581-S

ABB DI581-S is widely used in industries requiring high-speed, high-precision signal processing. Below are three typical scenarios:

1. Advanced Machine Tools: High-Speed Spindle Monitoring

In aerospace component manufacturing, machine tool spindles often operate at 20,000–40,000 RPM. An optical encoder (1,000 pulses per revolution) is attached to the spindle, and ABB DI581-S captures these pulses at 1 MHz. The module calculates real-time speed and compares it to a safety threshold (e.g., 42,000 RPM). If the speed exceeds the limit, ABB DI581-S triggers an emergency stop within 1 μs, preventing damage to expensive cutting tools and workpieces.

2. Automotive Production: Multi-Robot Synchronization

In automotive chassis assembly lines, 4 ABB IRB 6700 robots must tighten bolts simultaneously (synchronization error ≤2 μs). ABB DI581-S collects “position-ready” signals from each robot, records timestamps (accuracy: 0.1 μs), and sends data to an Advant controller. The controller adjusts each robot’s speed based on time differences, ensuring all robots start tightening at the same moment—avoiding uneven bolt stress that could deform the chassis.

3. Energy Management: High-Frequency Energy Metering

Large industrial parks use high-voltage energy meters that output 100 pulses per second (1 pulse = 0.1 kWh). Traditional modules struggle to process these pulses in real time, but ABB DI581-S captures data from 8 meters simultaneously at 1 MHz. It generates 360,000 records per hour and caches data during outages. The data is later uploaded to ABB System 800xA for precise energy consumption tracking and billing.

5. Comparison with Competing Products

ABB DI581-S outperforms similar high-speed modules from Siemens and Schneider in key metrics:

 

Comparison Metric ABB DI581-S Siemens SM 321 HS (6ES7321-1FF01-0AA0) Schneider BMXCRA31200HS
Minimum Pulse Response 0.5 μs 1 μs 0.8 μs
Per-Channel Buffer 16 MB (1M events) 8 MB (500k events) 12 MB (800k events)
EMI Immunity Standard EN 61000-6-2 (High) EN 61000-6-3 EN 61000-6-3
ABB Ecosystem Compatibility Seamless (Advant/System 800xA) Requires additional gateway Custom driver needed
Operating Temperature 0–60°C 0–60°C 0–55°C

6. Selection Recommendations & Precautions

Selection Recommendations: When to Choose ABB DI581-S?

  • Microsecond-level precision required: Opt for ABB DI581-S if your application (e.g., high-speed robotics, spindle control) demands response times <1 μs—standard modules will fail to meet accuracy needs.
  • Data loss is unacceptable: For energy metering, production counting, or safety-critical systems, ABB DI581-S’s buffer ensures no data is lost during communication disruptions.
  • ABB ecosystem integration: If your setup uses ABB Advant controllers or System 800xA, ABB DI581-S eliminates compatibility issues and reduces debugging time.

Precautions for Use

  • Use shielded cables: Connect sensors to ABB DI581-S with shielded twisted-pair cables (e.g., CAT6 with metal shielding) and ground the shield at both ends—this prevents electromagnetic interference from corrupting signals.
  • Verify sensor compatibility: Ensure the sensor’s minimum pulse width is ≥0.5 μs. For sensors with shorter pulses (e.g., 0.3 μs), add a signal amplifier to avoid missing data.
  • Avoid high-temperature environments: Install ABB DI581-S away from heat sources (e.g., ABB 5SHY series IGBT modules) and keep the ambient temperature ≤60°C—excessive heat degrades processing speed and buffer performance.
  • Calibrate regularly: Calibrate ABB DI581-S every 6 months using a standard pulse generator to maintain counting accuracy—long-term use can cause minor time-base drift.
Brand new✔ In stock ✔ Fast shipping✔
  • Email: sales@plcfcs.com
  • Phone：+86 15343416922
  • Wechat：+86 15343416922
Advantageous products we supply
PLC : Allen Bradley , Siemens MOORE, GE FANUC , Schneider
DCS : ABB ,Honeywell, Invensys Triconex , Foxboro , Ovation,YOKOGAWA, Woodword, HIMA
TSI : Triconex , HIMA , Bently Nevada , ICS Triplex
Complete service we offer
Payment: T/T
Delivery: 1-2 days
Shipment: DHL UPS FedEx, etc
After-sales service: Yes, 24/7 hours

Related products