Metrohm 865 Dosimat plus - Manual (Page 81)

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865 Dosimat plus ￭￭￭￭￭￭￭￭ 71
6.2134.040
Figure 26 Connecting the RS-232/USB Box to the PC
Interface parameters
We recommend the following parameters for the RS-232 interface
COM2:
￭ Baud rate: 19200
￭ Data bits: 8
￭ Stop bits: 1
￭ Parity: none
￭ Handshake: software
On the 865 Dosimat plus the interface parameters are set under
Menu
▶ System ▶ External devices ▶ COM2 settings.
Transfer protocol
The data communication is synchronous. On each command there is an
answer by the instrument.
A command must be sent to the instrument with the control character CR
LF as terminator. The answers of the instrument will also be transferred
with CR LF as terminator.
The instrument does not send spontaneous messages.
8.8.1 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