Rockwell Automation Allen-Bradley PowerFlex 520 Series User Manual

210 Rockwell Automation Publication 520-UM001K-EN-E - August 2021
Appendix C RS485 (DSI) Protocol
Reading (03) Drive
Operational Values
The PowerFlex 520-series Drive Operational Values can be read through the
network by sending Function Code 03 reads to register addresses
2102H...210AH.
Reading (03) and Writing
(06) Drive Parameters
To access drive parameters, the Modbus register address equals the parameter
number. For example, a decimal “1” is used to address Parameter b001 [Output
Freq] and decimal “41” is used to address Parameter P041 [Accel Time 1].
Additional Information See https://www.ab.com/drives for additional information.
Drive Operational Values
Reference
Address (Decimal) Description
2102H (8450) Frequency Command (xxx.xx Hz)
2103H (8451) Output Frequency (xxx.xx Hz)
2104H (8452) Output Current (xxx.xx A)
2105H (8453) DC-BUS Voltage (xxxV)
2106H (8454) Output Voltage (xxx.xV)

Rockwell Automation Allen-Bradley PowerFlex 520 Series Specifications

General

Brand	Rockwell Automation
Model	Allen-Bradley PowerFlex 520 Series
Category	DC Drives
Language	English