Rion VM-55 - Page 153

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Serial Interface
Result code
This is a response data that indicates execution results of commands. The
structure of a result code is shown below.
Result code = “R+” + “four-digit number”
The four-digit number following the pre x character “R+” indicates the situations
described below.
Numbers Contents
0000
Normal end
This is a response to the situation where the command (setting or
request) is executed normally.
0001
Command error
This is a response to the situation where the speci ed command
cannot be recognized.
0002
Parameter error
This is a response to the situation where the number of parameters and
the parameter type allowed for the speci ed command are not met.
0003
Designation error
This is a response to the situation where a setting is made with a
command which can only handle requests, or a request is made
with a command which can only handle settings.
0004
Status error
This is a response to the situation where the command (setting or
request) cannot be executed in a current situation.
Transfer codes
The codes (control codes) used for communication with the VM-55 are as
follows.
Code Hex notation Meaning
[CR] 0D
H Terminator, (1st character)
[LF] 0A
H Terminator, (2nd character)
[SUB] 1A
H Stop request