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ChromeGate 3.3.2 Software Manual - KNAUER Advanced Scientific ...

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ChromGate® Preparative Option 235<br />

For use of own ports no further settings are required.<br />

Valves number<br />

Enter the number of valves which build up the multi valve fraction<br />

collector. The number is in practical patterns unlimited.<br />

Configure Valve<br />

The drop down list offers as many positions as the valve number was<br />

entered above. The following settings have to be made for each valve<br />

separately.<br />

Interface<br />

Select the Interface you want to use for communication with the device.<br />

RS-232<br />

Select the number for the RS-232 communication port (COM Port)<br />

on your PC to which the autosampler is connected.<br />

LAN<br />

To let the software search for your already connected and switchedon<br />

device, click on the button to start the search for all connected<br />

LAN devices of the currently configured type. The option “Use S/N to<br />

identify the instrument” must be enabled. Select the desired device<br />

from the shown list. The software will read-out the information as<br />

serial number and will fill it automatically into the configuration<br />

screen. To search for an instrument, the device must be connected,<br />

switched on and must have a valid IP address.<br />

As an option, you can enter the IP address of your device, if the<br />

option “Use S/N to identify the instrument” is disabled. Please note<br />

that in case the device receives the IP address from a DHCP server,<br />

e.g. a router, the IP address may change if the device is switched off<br />

and switched on.<br />

Valve type<br />

The drop down list offers 2-, 6-, 12-, and 16-position valves. Select for<br />

each valve the desired type. If you read-out the valve via LAN, the<br />

appropriate valve type has been selected automatically.<br />

Vial Volume [ml]<br />

Enter any desired vial volume. If any fraction is larger than the set volume<br />

the next free collection position will be used for continued collection.<br />

Vial number<br />

The Vial number will be displayed automatically.<br />

Fraction Collector Setup<br />

In any system you can include only one fraction collector. However, the<br />

setup window is independent on the configured fraction collector.<br />

Therefore they will be explained together.<br />

This window differs in one respect from other setup windows. It is not<br />

only important for setting up the fraction collector. You need it also during<br />

the runs. However, those aspects will be described later in the chapter<br />

instrument status of a (running) control method (page 137).

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