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Status leds, Motherboard status indicator (watchdog), Figure 11-2: example of signal i/o function – Teledyne 6200E - Sulfides Analyzer User Manual

Page 244

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TROUBLESHOOTING & REPAIR

Model 6200E Instruction Manual

244

M6200E Rev: A1

output while in the diagnostic signal I/O menu. This is because manually changing I/O outputs
can invalidate the instrument reading.



Toggles parameter

ON/OFF

Exit returns to

DIAG display & all values

return to software control

DIAG SIGNAL I/O

PREV

NEXT

ENTR

EXIT

DIAG I/O

0 ) EXT_ZERO_CAL=ON

PREV

NEXT

JUMP

PRNT EXIT

DIAG I/O

23

)

ST H2S_MODE=

ON

PREV NEXT JUMP

ON

PRNT EXIT

DIAG I/O 37) SAMPLE_PRESSURE=6000.0 MV

PREV

NEXT

JUMP

PRNT EXIT

DIAG I/O

23

)

ST H2S_MODE

OFF

PREV NEXT JUMP

OFF

PRNT EXIT

If parameter is an

input signal

If parameter is an output

signal or control

SETUP X.X

SECONDARY SETUP MENU

COMM

VARS

DIAG

EXIT

SAMPLE

ENTER SETUP PASS : 818

8 1 8

ENTR

EXIT

SETUP X.X

PRIMARY SETUP MENU

CFG DAS

RNGE

PASS CLK

MORE

EXIT

SAMPLE RANGE = 500.0 PPB

H2S

=XXX.X

< TST TST > CAL

SETUP

Figure 11-2: Example of Signal I/O Function

11.1.4. Status LEDs

Several color-coded, light-emitting diodes (LEDs) are located inside the instrument to determine if
the analyzer’s CPU, I

2

C communications bus and relay board are functioning properly.

11.1.4.1. Motherboard Status Indicator (Watchdog)

DS5, a red LED on the upper portion of the motherboard, just to the right of the CPU board,
flashes when the CPU is running the main program. After power-up, DS5 should flash on and off