Metrohm 730 Sample Changer - Manuel (Page 74)

4.2 The Keyboard
730 Sample Changer, Detailed Description 71
Key Normal State Editing
• If the serial RS232 inter-
face (RS) is selected, the
character string being re-
ceived, is displayed line by
line (14 characters). De-
tails relating to this are on
page 155ff. • Character strings con-
sisting of 14 ASCII char-
acters may be defined
with the
RS232 interface. Use text
edit mode.
2
CTRL Interface control
• Controlling of external in-
struments via the remote
and RS232 interface. This
function is used for data
communication with or
control of connected in-
struments.
• The first parameter stands
for the selection of the in-
terface. The second pa-
rameter defines the state
of the remote output lines
or data to be transmitted
via RS232 interface.
Parameters with remote
interface selected
• Bit pattern with 14 digits
(0, 1 or
∗ ) for the 14 output
lines or predefined pat-
terns accessible by the
<SELECT> key (for ex.
"START instr.1", "STOP
instr.1" etc.).
Parameters for the RS232
interface
• Character string with up to
14 alphanumerical char-
acters. Default value:
"&M;$G", may be set with
<CLEAR>. Most Metrohm
instruments can be con-
trolled with such remote
control commands, see
pages 155ff.
Numerical entry ('2')
or
Interface control
• Setting the 14 signal lines
of the remote interface or
sending a character string
via the RS232 interface to
control instruments con-
nected.
• Predefined bit patterns are
available for the remote
interface and can be se-
lected via simple short-
names (e.g. "START
instr.1" or "STOP instr.2").
• Character strings consist-
ing of 14 ASCII characters
may be defined with the
RS232 interface. Use text
edit mode.