Handbook
November 2011 / 59-UMC0071 / Issue 01
Mercury iTC
Page 84
GETTING STARTED
Original Instructions
3 If you selected Automatic PID operation, tap PID Table. The PID Table Editor page
is displayed (see Section 3.2.11).
4 Tap Load to load an existing PID table (see Section 3.2.17).
5 Alternatively enter a new PID table on this page (see Section 12.2.7.2).
6 Tap Control to return to the Control Loop Configuration page.
7 Tap Home to return to the Home page.
5.4.5 Configuring a gas valve
1 Double tap a configured panel on the Home page.
2 Tap Pair. The Device Pair Configuration page appears (see Section 3.2.5).
3 Choose a temperature sensor from the drop-down menu in the Temperature
Sensor field.
The device names are initially of the form BoardBN.DTSN.
Where:
Board= MB for Mother Board or DB for Daughter Board.
BN= Board Number.
DT= T for Temperature sensor or H for Heater.
SN= Signal Number.
4 Tap the relevant cell in the Flow column and select a gas controller from the drop-
down menu.
5 Tap Assign to save the configuration.
6 Tap Home to return to the Home page.
7 Tap Control. The Control Loop Configuration page opens (see Section 3.2.9).
8 Select the sensor that you want to configure in the Sensor field.
NOTE: An error message is displayed if you haven’t configured a heater for the
selected sensor.
9 Tap the Flow(%) button to select either Manual or Auto Control. Manual configures
the gas controller for open-loop control. Auto configures the gas controller and
associated temperature sensor in a closed control loop (see Section 12.2.1).
5.4.5.1 Configuring manual control of the gas valve
1 If Manual is selected in the Flow(%) field, enter the required opening of the gas
valve as a percentage of the maximum opening.
2 Tap Gas Cfg. The Gas Flow Configuration page opens.
3 Tap Valve Gearing and enter the required value. See Section 3.2.10 for an
explanation of Valve Gearing.
4 Tap Home to return to the Home page. The requested gas valve position should be
displayed in the relevant panel.
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