SAJ 8000m Series, Руководство пользователя

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8000m Series
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Protocol data unit format of writing single parameter:
Request format:
Protocol data unit Data length(bytes) Range
Command 1 06H
Data Address 2 0~FFFFH
Written Content 2 0~FFFFH
Reply format (success):
Protocol data unit Data length(bytes) Range
Command 1 06H
Data Address 2 0~FFFFH
Written Content 2 0~FFFFH
If the operation fails, the inverter will reply a message formed by failure command
and error code. The failure command is (Command
＋ 0x80). The error code
indicates the reason of the error.
8.5 Note
1. Between frames, the span should not less than 3.5 bytes interval; otherwise, the
message will be discarded.
2. Be cautious to modify the parameters of FC group through communication,
otherwise may cause the communication interrupted.
3. In the same frame, if the span between two near bytes is more than 1.5 bytes
interval, the behind bytes will be assumed as the start of next message so that
communication will fail.