Technical Data
| Enclosure: | |
 | |
| Mounting: | Into an option slot of the RMIO board of the drive or onto external I/O Module Adapter (AIMA-01). |
| Degree of protection: | IP 20 |
| Ambient conditions: | The applicable ambient conditions specified for the drive in its Hardware Manual are in effect. |
| Connectors: | • 38-pin parallel bus connector • One 4-pole terminal block for connection of the fieldbus cable, detachable (max 1.5 mm2 |
| Hardware settings: | • One DIP switch for bus termination selection |
| Settings: | Via drive interface (control panel) |
| General: | • Max. power consumption: 140 mA (5 V), supplied by the RMIO board • Estimated min. lifetime: 100 000 h • All materials UL/CSA-approved • Complies with EMC Standards EN 50081-2 and EN 50082-2 |
| Compatible devices: | Any Modbus device capable of Modbus communication as a master |
Overview
| Overview | This chapter contains a short description of the Modbus protocol and the RMBA-01 Modbus Adapter module, a delivery checklist, and warranty information |
Introduction to Modbus | Modbus is a serial, asynchronous protocol. The Modbus protocol does not specify the physical interface. Typical physical interfaces are RS-232 and RS-485. The RMBA-01 provides a galvanically-isolated RS-485 interface. Modbus is designed for integration with Modicon PLCs or other automation devices, and the services closely correspond to the PLC architecture. The RMBA-01 supports the RTU protocol only. |
The RMBA-01 Modbus Adapter module | The RMBA-01 Modbus Adapter module is an optional device for ABB drives which enables the connection of the drive to a Modbus system. The drive is considered as a slave on the Modbus network. Through the RMBA-01 Modbus Adapter module it is possible to: • Give control commands to the drive (Start, Stop, Run enable, etc.) • Feed a motor speed or torque reference to the drive • Give a process actual value or a process reference to the PID controller of the drive • Read status information and actual values from the drive • Change drive parameter values • Reset a drive fault |
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Product Pictures
RMBA-01
RMBA-01
RMBA-01
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