INFICON SQM-160 Thin Film Deposition Monitor - Manual (Page 42)

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SQM-160 Operating Manual
3.14 Time Setpoint
The Time Setpoint provides a convenient way to signal a timed event. After a
pre-programmed time period, the Time Setpoint closes a relay when the Zero
switch is pressed.
To program the Time Setpoint:
1 Press Program to enter Program mode.
2 Press Prev to enter the System Menu.
3 Press Next until RELAY 2 is shown.
4 Turn the Control Knob right to select TIME. Press the Control Knob to accept
the value.
5 Press Program to exit the System Menu and return to normal mode.
6 Press Program to re-enter Program mode.
7 Use the Control Knob to scroll to the desired Film # (1-9), then press the Control
Knob or Next to enter the Film Parameter menu for the selected film.
8 Press Next until TIME SET is shown.
9 Use the Control Knob to set the timer setpoint. Press the Control Knob to
accept the value.
10 Press Program to exit the Film Menu and return to normal mode.
11 Press Zero to open the relay and begin counting down the Time Setpoint. When
the time reaches zero, the Time SP LED illuminates and the relay closes.
NOTE: Relay 2 is a multi-function relay. It can be programmed as a dual sensor
shutter, or to close when a programmed time has elapsed, or as a sensor
2 shutter relay. See
section 3.11, Shutter Operation, on page 3-10 and
section 3.12, Dual Sensors, on page 3-10 for a discussion of other
Relay 2 functions.