11-7
3.2) Negative Acknowledge Response:
NAK Drive No CMD
Error code
SUM EOT
15h “01” ~ “1F” “X” “**” “XX” 04h
1 byte 2 bytes 1 byte 2 bytes 2 bytes 1 byte
Total bite = 9
4) Action Request for monitor register: Request for read of address registered by monitor register.
ENQ Drive No CMD SUM EOT
05h “01” ~ “1F” “Y” “XX” 04h
1 byte 2 bytes 1 byte 2 bytes 1 byte
Total bite = 7
4.1) Acknowledge response:
ACK Drive No CMD Data SUM EOT
06h “01” ~ “1F” “Y” “XXXX…” “XX” 04h
1 byte 2 bytes 1 byte n * 4 bytes 2 bytes 1 byte
Total bite= 7 + n * 4 = Max 39
4.2) Negative response:
NAK Drive No CMD
Error code
SUM EOT
15h “01” ~ “1F” “Y” “**” “XX” 04h
1 byte 2 bytes 1 byte 2 bytes 2 bytes 1 byte
Total bite = 9
5) Error code
Error code Description
“IF” When master is sending codes other than Function code (R, W, X, Y).
“IA” When parameter address does not exist
“ID” When Data value exceeds its permissible range during ‘W’ (Write).
“WM”
When the specific parameters cannot be written during ‘W’ (Write).
(For example, in the case of Read Only, Write disabled during Run)
“FE”
When frame size of specific function is not correct and Checksum field is
wrong.
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