Oxford Instruments Mercury iTC, Handbook

Page: 39 / 146

Handbook
November 2011 / 59-UMC0071 / Issue 01
Mercury iTC
Page 39
USER INTERFACE
Original Instructions
The page contains the following fields and controls:

Sensor
Select a sensor from a drop-down menu. Selecting a sensor enables other controls
on the page.
Figure 3-22 Control Loop Configuration page with a sensor selected

Heat (%)
Select Manual or Automatic control of the heater. If Manual is selected, set a
percentage output power for the heater in the numeric field.

Flow (%)
Select Manual or Automatic control of the gas-flow controller. If Manual is selected,
set a percentage flow in the numeric field.

Set (K)
If the Heat (%) field is set to Auto , set a temperature setpoint (in Kelvin) in this field.

PID
Select either Manual or Automatic PID values (see Chapter 12 for information on PID
control loops).

P
If PID is set to Manual , enter a P parameter value (in K) in this field.
If PID is set to Automatic , this field displays the P parameter value that has been
obtained from the PID table.

I
If PID is set to Manual , enter an I parameter value (in minutes) in this field.
If PID is set to Automatic , this field displays the I parameter value that has been
obtained from the PID table.

D
If PID is set to Manual , enter a D parameter value (in minutes) in this field.
If PID is set to Automatic , this field displays the D parameter value that has been
obtained from the PID table.

Sweep button
Tap once to program temperature sweeps (see Section 3.2.15 ). This button is only
active if Heat is set to Auto .