MercuryiTC
©2014 Oxford Instruments Omicron NanoScience. All rights reserved.
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9 Replace the top cover on to the iTC, reversing the procedure for removal.
5.2.3 Basic check of board operation
1 Power up the MercuryiTC. If fitted correctly, the iTC will detect the board and may request
permission to use it.
2 Put the iTC in Local mode by tapping the local/remote toggle button on the iTC Home page.
3 Tap Settings, scroll to and tap the Devices tab.
4 Scroll down the list of devices and find the level meter board. Also, scroll to the right to read
the firmware version.
5.3 Connecting the level probe
Connect the level probe to the appropriate 9-way D-connector on the rear page of the board
using the cable supplied. For reference, the pin connections are as follows.
Pin Signal Name Helium Probe Nitrogen Probe
1 VHIGH V sense (Top) n/c
2 VLOW V sense (Bottom) n/c
3 (Unused)
4 FREQ IN Link to 5 OUTPUT FREQ (0 to 12 V)
5 FREQ OUT Link to 4 n/c
6 I HIGH I (Top) n/c
7 I LOW I (Bottom) 0 V
8 +12 V n/c +12V (20 mA maximum
9 CHASSIS GND Screen Screen
5.4 Configuring MercuryiTC for helium level meter
1 Tap an unconfigured widget on the Home page to display the Channel Display
Configuration page.
2 Tap the Device box and select a level meter device from the drop down list (an example is
shown).
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