Motor Controllers AC Variable Frequency Drives Type VariFlex
3
RVLF
222 Specications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network. 13/12/2017
• PKE
All parameters for the RVLF series drive are 16-bit. A 16-bit parameter value is transferred by
PWE2 (4th word). PWE1 (3rd word) must be set to 0 on the PROFIBUS-DP master in this case.
• Example for PKW mechanism
Read data of parameter 00-05 (frequency source command).
To read value of 00-05, first set the request ID to 1. Then refer to the appendix to find out the
corresponding MODBUS address 0x0005. Thus, the data sequence is as follows:
Master RV-PDP: 1005 0000 0000 0000
RV-PDP Master: 1005 0000 0000 000
Request
Word 1 (PKE) 1005
Word 2 (IND) 0000
Word 3 (PWE1) 0000
Word 4 (PWE2) 0000
Request
Word 1 (PKE) 1005
Word 2 (IND) 0000
Word 3 (PWE1) 0000
Word 4 (PWE2) 0004
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