Metrohm 788 IC Filtration Sample Processor User Manual

Page 58

3 Operating tutorial

788 IC Filtration Sample Processor

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START

parameters
>start sequence

x In the submenu

'>start sequence'

the commands that are exe-

cuted at the start of a sample series are found.

>start sequence
1 CTL:Rm: INIT

x The first command is a CTL command for the initialization of the

remote interface. This command should be used in the start se-

quence of every method. Do not change anything here and press

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>start sequence
2 CTL:Rm: PUMP 752 ON

x With the second CTL command the 752 Pump Unit used for the

operation of the suppressor is started. If you use a suppressor and

the 752 Pump Unit is connected to the remote interface of the 788 IC

Filtration Sample Processor, press . The 752 Pump Unit is

started.

x Leave this submenu with .

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x In the submenu

'>sample sequence'

you find the command se-

quences that are executed for every sample. It is recommended to

test out this procedure line by line with the TRACE function.

START

>sample sequence
1 SCN:Rm : Pump1 ?

x In the first line the SCAN command is used to scan the status of the

709 IC Pump. The 788 IC Filtration Sample Processor waits until the

pump drive of the 709 IC Pump is switched on. Therefore switch on

the pump drive at the 709 IC Pump. If you press at this

point, this command is executed and the next program line appears.

>sample sequence
2 MOVE 1 : sample

x Press to place the sample tube in the position predefined

as sample position 2 below the needle.

>sample sequence
3 LIFT: 1 : work mm

x On the next line press again to move the needle into the

work position you previously defined for this rack.

x With this command you can become acquainted with the LEARN

mode. It allows the user to manually set the parameters of a com-

mand on a trial basis.