30
tinb07e1-e 2011-07 Vacuum Gauge Controller
Tab. 5-12
dt-C
parameter values
5.4.4
Torr lock (
tr-L
)
This parameter affects the general parameter
unit
. When
the lock is activated, the unit of measurement «Torr» can-
not be selected. See Chapter 5.3.1 Unit of measurement
(unit),
27.
Tab. 5-13
tr-L
parameter values
5.4.5
Parameter setup lock (
LoC
)
This parameter affects the parameter mode. When the
lock is activated, the user can inspect but not modify
parameter values.
Tab. 5-14
LoC
parameter values
5.4.6
RAM test (
rA-t
)
Test the main memory. Press the UP button to start the
test.
Tab. 5-15 RAM test
Please contact your local INFICON service center if the
test fails repeatedly.
5.4.7
EPROM test (
EP-t
)
Test the program memory.
Press the UP button to start the test.
Tab. 5-16 EPROM test
Please contact your local INFICON service center if the
test fails repeatedly.
5.4.8
EEPROM test (
EE-t
)
Test the parameter memory.
Press the UP button to start the test.
Tab. 5-17 EEPROM test
Please contact your local INFICON service center if the
test fails repeatedly.
5.4.9
Display test (
di-t
)
Test the display. In this test all segments of the display
are illuminated simultaneously at first. Then the individual
segments of the display are activated one after the other.
Press the UP button to start the test.
5.4.10 A/D converter signal (
Ad-S
)
Display the A/D converter output signal (in volts) for each
of the channels. When applying a reference voltage to the
input signal pin of the SENSOR connection, this allows
you to check the A/D converters of the respective chan-
nel. See Chapter 3.3.4 SENSOR,
12.
NOTE:
When the signal input is not connected, a quickly
fluctuating value is displayed because of the high
measurement sensitivity of the unit.
Press the UP button to start the test.
oFF
An error message from the watch-
dog control must be acknowledged
by the user
Display
Significance
oFF
Unit of measurement «Torr» can be
selected
on
Unit of measurement «Torr» cannot
be selected
Display
Significance
oFF
Parameters can be inspected and
modified
on
Parameters can be inspected only
Display
Significance
run
Test is running
PASS
Test completed without errors
Err
Test completed and errors detected
Display
Significance
Display
Significance
run
Test is running
PASS
Test completed without errors
Err
Test completed and errors detected.
A four-digit checksum is displayed.
Display
Significance
run
Test is running
PASS
Test completed without errors
Err
Test completed and errors detected
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