The ABB RMBA-01-KIT Modbus Adapter is a modular communication accessory that bridges ABB drives with Modbus RTU networks. It ensures compatibility with industrial automation systems requiring standardized Modbus communication.
Key Features
Model/Part Number:RMBA-01-KIT
Product Type: Modbus Adapter Kit
Compatibility: ABB ACS500, ACS800, DCS800 drive series
Communication Protocol: Modbus RTU over RS-485
Baud Rate: Up to 115.2 kbps
Network Capacity: Supports up to 31 slave devices per network
Electrical Isolation: RS-485 interface with galvanic isolation
Power Supply: 24 VDC, 1.5 W consumption
Operating Temperature: -40 °C to +85 °C
Storage Temperature: -40 °C to +85 °C
Dimensions: 110 × 55 × 22 mm
Weight: 0.5 kg
Origin: Switzerland
Certification: COO available upon request
Applications
Integrating ABB drives into Modbus-based SCADA and DCS systems
Industrial automation requiring standardized communication protocols
Retrofitting legacy systems with modern ABB drives while maintaining Modbus compatibility
FAQ
Q: Can RMBA-01-KIT be used with ACS880 drives? A: No, it is primarily designed for ACS500, ACS800, and DCS800 series. ACS880 uses newer communication adapters.
Q: Does the kit include installation accessories? A: Yes, the RMBA-01-KIT includes mounting and wiring accessories for quick installation.
Q: Is Modbus TCP supported? A: No, RMBA-01-KIT supports Modbus RTU only. For TCP/IP, ABB Ethernet adapters are required
