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MW190
Bench Meter
UNIT CHANGE COMMAND
CHU xx Change the instrument unit according with the parameter value (xx):
The instrument will answer for this command with:
<STX> <answer> <ETX>
where: <STX> is 02 ASCII code character (start of text)
<ETX> is 03 ASCII code character (end of text)
<answer>:
<ACK> is sent for a recognized command
<CAN> is sent when the instrument is logging
<Err6>/<Err8> is sent when the command is incorrect or the instrument is not
in measurement mode.
COMMANDS REQUIRING AN ANSWER
The instrument will answer for these commands with:
<STX> <answer> <checksum> <ETX>
where the checksum is the bytes sum of the answer string sent as 2 ASCII characters.
All the answer messages are with ASCII characters.
RDO
Causes the instrument to send a complete set of readings in according with the
DO range.
MDL
Requests the instrument model name and firmware code (16 ASCII chars).
INF
Requests the setup parameters.
SAM
Requests the number of logged samples (4 chars).
LDDO
xxx Requests the xxxth DO record logged data.
LADO
Requests all DO Log on demand.
Notes:
“Err8” is sent if the instrument is not in measurement mode.
“Err6” is sent if the requested range is not available.
“Err4” is sent if the requested set parameter is not available.
“Err3” is sent if the Log on demand is empty.
Invalid commands will be ignored.
