Product Description
The ABB CI531 is a high-performance communication interface module designed for the AC 800M controller series. It provides reliable PROFIBUS-DP connectivity, ensuring seamless and high-speed data exchange between controllers and field devices in complex industrial automation systems. Its compact design and robust construction allow for easy integration into AC 800M module racks, while LED diagnostics ensure fast identification of communication issues and operational status.
Moreover, the CI531 supports flexible network configurations, making it ideal for distributed I/O, motor control centers, and process instrumentation. In addition, its low power consumption and DIN rail mounting contribute to efficient, space-saving installations. Industrial engineers can rely on CI531 for consistent performance in environments requiring precise automation and continuous data flow.
Key Features
- Provides PROFIBUS-DP slave interface for AC 800M controllers
- High-speed communication up to 12 Mbit/s for responsive data exchange
- LED indicators for status, error, and communication monitoring
- Compact dimensions allow installation in standard AC 800M module racks
- Low power consumption (~1.8 W) ensures energy-efficient operation
- Robust design suitable for 0 °C to +55 °C operating temperature
- DIN rail mounting simplifies integration into existing control panels
Technical Specifications
| Feature | Specification |
|---|---|
| Function | PROFIBUS-DP communication interface module |
| Protocol | PROFIBUS-DP slave |
| Baud Rate | Up to 12 Mbit/s |
| Power Supply | 24 V DC nominal |
| Power Consumption | ~1.8 W |
| Diagnostics | LED indicators for status, error, and communication |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | -40 °C to +70 °C |
| Humidity | 5%–95% non-condensing |
| Dimensions (H × W × D) | 125 × 20 × 260 mm |
| Weight | 0.145 kg |
| Mounting | DIN rail installation in AC 800M module rack |
Typical Applications
The CI531 is widely applied in industrial automation systems requiring robust fieldbus connectivity. For instance, it connects AC 800M controllers to distributed I/O modules, process instruments, and motor control centers. It is especially suitable for chemical plants, power generation facilities, and manufacturing lines where reliable communication is critical. Moreover, CI531 enhances system responsiveness, enabling faster process control and reduced downtime.
FAQ
Q: Which controllers are compatible with the ABB CI531?
A: The CI531 is compatible with ABB AC 800M controllers and fully integrates into 800xA automation systems.
Q: What type of communication does CI531 support?
A: CI531 functions as a PROFIBUS-DP slave interface, supporting high-speed data exchange up to 12 Mbit/s.
Q: How is CI531 mounted?
A: The module mounts easily on DIN rails within AC 800M module racks.
Q: What are the operating environmental conditions?
A: The module operates between 0 °C to +55 °C, with 5–95% non-condensing humidity.
Q: Does the module provide diagnostics?
A: Yes, LED indicators display communication status, errors, and operational health.





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