Sanken SVCO6, Instruction Manual, Page: 282 / 326

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7-4 Serial Communication Function
IN
：
Address (inverter number)
The 1byte length for IN is selectable from 0-247, 0 refers to broadcast mode (batch operation).
OP
：
Operation code (command code)
Used as a command code
The 1byte length for OP is defined as the following table from 0-255. Blanks with shading are used by
OP.
OP Description
0-2 Not used
3(03H) Register reading
4-5 Not used
6(06H) One register writing
7-15 Not used
16(10H) Continuous register writing (max. one data)
17-127 Not used
128-255 Saved as exceptional response
DT
：
Data
DT contains all information (register, data and etc.)
SUM
：
CRC(checksum)
SUM is the 2byte length of CRC check mode.