Bus adress
Bus register
1
PLC Register Content Access Description
0 1 40001 Reserved Reserved for Legacy Drives VLT 5000 and VLT 2800
1 2 40002 Reserved Reserved for Legacy Drives VLT 5000 and VLT 2800
2 3 40003 Reserved Reserved for Legacy Drives VLT 5000 and VLT 2800
3 4 40004 Free
4 5 40005 Free
5 6 40006 Modbus conf Read/Write TCP only. Reserved for Modbus TCP (p12-28 and 12-29 -
store in Eeprom etc.)
6 7 40007 Last error code Read only Error code recieved from parameter database, refer to
WHAT 38295 for details
7 8 40008 Last error register Read only Address of register with which last error occurred, refer
to WHAT 38296 for details
8 9 40009 Index pointer Read/Write Sub index of parameter to be accessed. Refer to WHAT
38297 for details
9 10 40010 FC par. 0-01 Dependent on
parameter access
Parameter 0-01 (Modbus Register=10 parameter number
20 bytes space reserved pr parameter in Modbus Map
19 20 40020 FC par. 0-02 Dependent on
parameter access
Parameter 0-02
20 bytes space reserved pr parameter in Modbus Map
29 30 40030 FC par. xx-xx Dependent on
parameter access
Parameter 0-03
20 bytes space reserved pr parameter in Modbus Map
Table 3.17 Adress/Registers
1)
Value written in Modbus RTU telegram must be one or less than register number. E.g. Read Modbus Register 1 by writing value 0 in telegram.
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