3 the dos command, 4 pictograms, The dos command – Metrohm 838 Advanced Sample Processor Manual User Manual

Page 68: Pictograms

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2.8 Dosing and liquid handling

60

Metrohm 838 Advanced Sample Processor, Operation

2.8.3 The DOS command

The liquid handling command DOS has two parameters:

General:

DOS:

Address

Function

Example:

DOS: 1.1

5

mL

Parameter:

drive.port

Volume or function

(negative volume permitted)

for drive:

* = all dosing drives

for port:

* = default port for particular function

Example:

DOS: *.*

fill

mL

means:

On all the connected dosing devices the cylinder is filled via the default

port.

Default ports:

The default ports are the ports assigned in the parameter menu under

>Dosing unit def.

, see also Section 2.2.4.

2.8.4 Pictograms

For complex liquid handling tasks only Dosinos (700 or 800 models)

can be used as dosing drive. In order to clarify the various functions

and processes the following pictograms are used on the next few

pages.
The following arrangement applies:

Function

The arrow represents the direction of motion of

the piston in the dosing cylinder.

The stopcock position is shown beneath the cyl-

inder wherever necessary.

Port

11

22

33

44

Default:

Dosing port 1

Default:

Filling port

Default:

Dosing port 2

Default:

Drain port


The pictograms above show the default settings..

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