Metrohm 844 UV/VIS Compact IC - Manual (Page 69)

2.11 Connection of external devices
844 UV/VIS Compact IC / Gebrauchsanweisung 8.844.1051
57
Net» Software Instructions for Use, Section 6.26.3.
7 Creating a time program for the 844
• Open the window with the system settings of the 844 (with a
double-click on the 844 icon or via the right-hand mouse key
open ).
• Open the
Program tab.
• Create a time program:
•
• The Remote command sends a signal to the 838 via
Remote line 3. This signal tells the 838 (which is waiting after the
Scan command) to continue with its command sequence.
•
The two Valve commands switch the injection valve at the
844 to the positions Fill and Inject.
•
For more detailed information about the control please refer
to Section 3.3.1 or the «IC Net» Software Instructions for Use.
2.11.2 Connection of the 813 Compact Autosampler
The 813 Compact Autosampler, which is optionally available from Me-
trohm, is an automatic sampler for ion chromatography. The 813 Com-
pact Autosampler (Remote connection) is connected to Remote
connection 23 of the 844 UV/VIS Compact IC using the 25-pin
6.2141.130 Remote cable. The control of the 844 UV/VIS Compact IC
takes place using Remote commands in the time program of the 844
UV/VIS Compact IC.
Proceed as follows:
1 Electrical connection 844 – 813
• Connect Remote connection 23 of the 844 UV/VIS Compact
IC and the Remote connection of the 813 Compact Auto-
sampler using the 6.2141.130 Cable (see 813 Instructions for
Use).
2 Tubing connection 813 – Injection valve
• Screw off aspirating tubing 41 from injection valve 46/60.
• Cut the PEEK capillary tubing mounted on the 813 Compact
Autosampler to the required length (so that it can be connec-
ted to injection valve 46/60. of the 844).
• Pull the free end of the PEEK capillary tubing through one of