Metrohm 790 Personal IC User Manual
Page 90

4.3 Systems
790 Personal IC
81
Time (1
st
column)
Time at which program instruction is applied.
Entry range:
0.0 ... 999.9 min
If no time is entered, the program instruction is
applied together with the last instruction with
time entry.
Command (2
nd
column)
Program instruction (see List of program in-
structions).
Parameter (3
rd
column)
Parameter for program instruction (see List of
program instructions).
ENABLED
Enable program start (a disabled program is
not started).
<Add>
Add new program instruction.
<Delete>
Delete selected program instruction.
<Verify>
Test the time program (error messages are dis-
played if program is faulty).
List of program instructions
The following program instructions can be added to the time program
on the
Program
subpage:
Instruction Parameter
entry
Meaning
Valve Inject,
Fill
Switch
injection valve to "INJECT" or
"FILL" position.
ICPump on,
off
Switch
on or off the high-pressure
pump.
Flow
0.2 ... 2.5 mL/min
Set
flow rate of the high-pressure
pump to the desired value.
Pmax
0.0 ... 25.0 MPa
Set
maximum pressure limit for the
high-pressure pump to the desired
value.
Pmin
0.0 ... 25.0 MPa
Set
minimum pressure limit for the
high-pressure pump to the desired
value.
Remote
Pulse output (pulse length = 200 ms)
on remote output line 3 for sample
changer control.
Program
END, RESET
The
END
flag can be used to end a
program, especially if the program time
should be longer than the chroma-
togram duration. Additional steps after
this flag are not allowed. The
RESET
flag
is used to reset the parameters to the
system startup values.