Teledyne T200, Operation Manual, Page: 104 / 425

Setup Mode Menus Teledyne API
– T200 NO/NO
2
/NO
X
Analyzer Operation Manual
102
5.9. SETUP

DIAG: DIAGNOSTICS FUNCTIONS
A series of diagnostic tools is grouped together under the SETUP

MORE

DIAG
menu. The parameters are dependent on firmware revision (see Appendix A). These
tools can be used for troubleshooting and diagnostic procedures and are referred to in
many places of the maintenance and troubleshooting sections of this manual.
The various operating modes available under the DIAG menu are:
Table 5-4: Diagnostic Mode (DIAG) Functions
DIAG SUBMENU SUBMENU FUNCTION
Front Panel
Mode Indicator
MANUAL
SECTION
SIGNAL I/O
Allows observation of all digital and analog signals
in the instrument. Allows certain digital signals such
as valves and heaters to be toggled
ON
and
OFF
.
DIAG I/O
12.1.3
ANALOG OUTPUT
When entered, the analyzer performs an analog
output step test. This can be used to calibrate a
chart recorder or to test the analog output accuracy.
DIAG AOUT
12.7.6.1
ANALOG I/O
CONFIGURATION
The signal levels of the instruments analog outputs
may be calibrated (either individually or as a group).
Various electronic parameters such as signal span,
and offset are available for viewing and
configuration.
DIAG AIO
5.9.2
TEST CHAN
OUTPUT
Selects one of the available test channel signals to
output over the
A4
analog output channel.
DIAG TCHN
5.9.4
OPTIC TEST
When activated, the analyzer performs an optic test,
which turns on an LED located inside the sensor module
near the PMT (
Error! Reference source not found.
).
This diagnostic tests the response of the PMT without
having to supply span gas.
DIAG OPTIC
12.7.12.1
ELECTRICAL
TEST
When activated, the analyzer performs an electrical test,
which generates a current intended to simulate the PMT
output to verify the signal handling and conditioning of the
PMT preamp board.
DIAG ELEC
12.7.12.2
OZONE GEN
OVERRIDE
1
Allows the user to manually turn the O
3
generator on or
off. During initial power up TMR (timer) is displayed while
the Ozone brick remains off for the first 30 minutes.
DIAG OZONE
12.7.15.1
FLOW
CALIBRATION
1
This function is used to calibrate the gas flow output
signals of sample gas and ozone supply.
DIAG FCAL
9.7
1
These settings are retained after exiting DIAG mode.
06858E DCN7057