Lenze Tmd Series Drives Modbus Communications - Manual (Page 24)

RG-TDMOD 20
Drive Control & Communication
6 Tmd Programming Parameters
6.1 Format
NOTE - Attention
Parameter list presented in Section 6.2 is valid only for
Tmd software version 1.20,
parameter version 503. For revisions, refer to appropriate Tmd Manual.
Abbreviations:
SA (1byte) Drive Address (1-247)
RA (1byte) Register Address
CRCH Cyclic Redundancy Check High byte
CRCL Cyclic Redundancy Check Low byte
READING:
Message structure for reading 1 word: (most of parameters)
Request: SA 03 00 RA 00 01 CRCH CRCL
Response:
SA 03 02 DH DL CRCH CRCL
Message structure for reading 4 word: (Register #114, Parameter C99: Software Version)
Request: SA 03 00 RA 00 04 CRCH CRCL
Response: SA 03 08 D1H D1L D2H D2L D3H D3L D4H D4L CRCH CRCL
WRITING:
Message structure for writing 1 word: (all parameters)
Request: SA 06 00 RA DH DL CRCH CRCL
Response:
SA 06 00 RA DH DL CRCH CRCL
LEGEND for Parameter List
1st Column:
Parameter No. 1 = Drive's programming code number
4th Column: Range of Adjustment The Modbus values are whole numbers. One decimal place is
assumed. A superscript 2 denotes parameter where two decimal
places are assumed.