Status leds, Motherboard status indicator (watchdog), Figure 11-2: example of signal i/o function – Teledyne 6200E - Sulfides Analyzer User Manual
Page 244
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