Key facts
- Brand
- ABB
- Model
- RMBA-01
- Category
- Automation control Equipment
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-03-22
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User ManualABB RMBA-01 Modbus Adapter User Manual
ABB RMBA-01 Modbus Adapter User Manual
User Manual 32 pages · 128 KB · EN
This manual provides the necessary information to install, configure and operate the ABB RMBA-01 Modbus adapter. It includes safety notices, wiring diagrams and basic configuration steps for Modbus communication.
The document also references the underlying design basis (e.g., based on 3AFE 64498851) and provides contact details and a link to ABB's website for further technical support.
ABB RMBA-01 specifications
| Degree of protection | IP20 |
|---|---|
| Maximum power consumption | 140 mA (5 V) |
| Estimated minimum lifetime | 100 000 h |
| Maximum bus length | 1200 m |
| Supported transfer rates | 600 – 19200 bit/s |
| Protocol | Modbus RTU |
| Number of stations supported | 247 stations |
| Connector type | 38‑pin parallel bus connector |
All ABB RMBA-01 documents by type
User Manual 2
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What do the diagnostic LEDs on the RMBA-01 indicate?
Two green LEDs show transmit and receive activity, while a yellow LED indicates module status and power‑up condition.
How many Modbus stations can be connected to the RMBA-01?
The RMBA-01 can address up to 247 stations, including repeaters.
What is the model number of the Modbus adapter?
The model number is RMBA-01.
Which company produced the RMBA-01 Modbus adapter?
It is produced by ABB.