Brand: ABB
Category: Other
Document Type: Manual
Language: EN
Manual for AC31 Adapter
Uploaded: April 20, 2026, 8:10 p.m.
Manual Publish Date: 2018-09-24
AC31 Adapters
The AC31 adapter series provides modular exchange components for control systems of the Advant Controller 31 (90 series). These adapters allow for quick and cost-effective maintenance of existing PLCs without extensive software modifications. They are based on AC500 series technologies, offering new functions and improved product quality. Technical documents for the original AC31 devices remain valid, with deviations noted in this document.
Key Features:
- Modular exchange components for Advant Controller 31 (90 series).
- Quick and cost-effective PLC maintenance.
- No extensive software modifications required.
- Based on AC500 series technologies for enhanced functionality.
- Identical configuration to original AC31 devices.
Installation and Safety:
CAUTION! Installation and maintenance must be performed by a qualified electrician in accordance with recognized technical rules and standards (e.g., EN 60204-1). Refer to "Regulations for the erection of installations" for safety instructions.
Troubleshooting and error codes
| Format | e.g. name of PLC browser command diagshow all | Description |
| Error class | Class | 1 to 4 |
|---|---|---|
| Faulty component | Comp | 11 (COM1 interface, here for the CS31 bus) |
| Faulty device | Dev | Address of CS31 bus slave with error |
| Faulty module | Mod | CS31 bus type of CS31 bus slave with error (e.g. 5 for analog input/output) |
| Faulty channel | Ch | See existing documentation of CS31 bus slave |
| Error code | Err | See existing documentation of CS31 bus slave |