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6.5 Addressing
The same address mechanisms as for the binary protocol is supported in the ASCII protocol.
6.6 Acknowledge/Response
Acknowledge is optional and ON by default. Auto acknowledge can be turned on and off with ECHO commad. Also turned activated on a per command basis using modifier A.
ACK ADDRESS SEP COMMAND SEP VALUE TERM.
1 byte 3 bytes 1 byte 4 bytes 1 byte 6 bytes 1 byte
Field Description Comment
ACK ASCII character ‘%’ Always
SEP ASCII space Always
VALUE 6 bytes return value Always
TERM Termination char 0x0D (CR) Always
6.4 Modifier
R Relative change. Value given will be relative to the existing value
A Request an acknowledge. This modifier is the only that might be applied together with another modifier. It can be
used to read back the result of the command.
? ? – current
?M – max
?N – min
6.7 SUPPORTED COMMANDS
Modifiers
A Request acknowledge
? Get current value
?M Get MAX value
?N Get MIN value
R Relative set
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