Product Description
The ABB CI531 (Product ID 3BSE003825R1) is a communication interface submodule designed for ABB Advant Controller and AC 800M control systems. It provides dual-channel RS232 serial communication, enabling reliable data exchange between ABB controllers and external serial devices such as HMIs, analyzers, drives, and third-party control equipment.
Installed within the AC 800M module rack, the CI531 functions as a dedicated serial communication board. It supports standard RS232 transmission with configurable baud rates and includes onboard diagnostics for operational monitoring. The module is engineered for stable performance in industrial environments and integrates seamlessly into ABB 800xA distributed control architectures.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model | CI531 |
| Product ID | 3BSE003825R1 |
| Product Type | Communication Board / RS232 Submodule |
| Communication Interface | 2 × RS232 serial channels |
| Supported Protocol | Standard RS232 serial communication |
| Baud Rate | Up to 115.2 kbps |
| Supply Voltage | 24 VDC (via module rack) |
| Power Consumption | 1.8 W |
| Diagnostic Indicators | LED status, error, and communication activity |
| Mounting | Installed in AC 800M / Advant rack |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | –40 °C to +70 °C |
| Humidity | 5–95% non-condensing |
| Dimensions | 125 × 20 × 260 mm |
| Weight | 0.145 kg |
| Country of Origin | Sweden |
| Compliance | RoHS exemption per EU directive scope |
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