1 commands and variables, Commands and variables – Metrohm 899 Coulometer User Manual
Page 112
10.8 Remote control via an RS-232 connection
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899 Coulometer
10.8.1
Commands and variables
Command
Function
Comment
$G
Start/Continue
Corresponds to the key [START] or [Con-
tinue]
$S
Stop
Corresponds to the key [STOP]
$H
Hold
Hold the method run
$D
Scan instrument sta-
tus
Acknowledgements: Ready;0, Busy;0,
Hold;0 or Cond;0 (0 = no message)
If a message on the instrument requires
the interaction of the user, the acknowl-
edgement of the status scan displays the
corresponding message number. Exam-
ple:
Busy;012-111
= 012-111 Conditioning not OK
The message can be confirmed with [Yes]
or [No], see below.
$A
Confirm message
Confirm the message on the instrument
with [OK]
A mandatory status scan providing the
message number must take place immedi-
ately before confirming the message, see
above.
$A(OK), $A(CANCEL)
Confirm message
Confirm the message with [OK] or [Can-
cel]
$A(YES), $A(NO)
Confirm message
Confirm the message with [Yes] or [No]
$L(method name)
Load method
The method name has to be known and
unique.
$Q(variable)
Request variable value
Examples for variables: EP1, R1, C00.
Complete list of the variables, see page
39.
The values of the variables are only available after the end of a determina-
tion (in the status 'ready').