Filter
Top Products
Teledyne API - T100 UV Fluorescence SO2 Analyzer Troubleshooting & Service
255
12.6.9.2. MODEM OR TERMINAL OPERATION
These are the general steps for troubleshooting problems with a modem connected to a
Teledyne API analyzer.
Check cables for proper connection to the modem, terminal or computer.
Check the correct position of the DTE/DCE switch as described in Section 6.1.
Check the correct setup command (ref
e
r to Section 8.3).
Verify that t
he Ready to Send (RTS) signal is at logic high. The T100 sets Pin 7
(RTS) to greater than 3 volts to enable modem transmission.
Ensure that the baud rate, word length, and stop bit settings between modem and
analyzer match (refer to Sections 6.2.2 and 8.3).
Use the RS-232 test fu
nction to
send “w” characters to the modem, terminal or
computer. Refer to Section 6.2.3.
Get y
our terminal,
modem or computer to transmit data to the analyzer (holding
down the space bar is one way). The green LED on the rear panel should flicker as
the instrument is receiving data.
Ensure that the communications software is functioning properly.
Further help with serial communications is available in a separate manual “RS-232
Manual”, Teledyne API’s P/N 013500000, available online at http://www.Teledyne-
api.com/manuals/.
12.6.10. SHUTTER SYSTEM
To check the functionality of the UV light Shutter by manually activating it:
EXIT 4x’s to return
to the
SAMPLE display
DIAG I / O 36) UVLAMP_SIGNAL= 3.4 MV
PREV NEXT JUMP PRNT EXIT
SAMPLE RANGE = 500.000 PPB SO2 =XXX.X
< TST TST > CAL SETUP
SAMPLE ENTER SETUP PASS : 818
8 1 8 ENTR EXIT
SETUP X.X PRIMARY SETUP MENU
CFG DAS RNGE PASS CLK MORE EXIT
DIAG SIGNAL I / O
PREV NEXT JUMP ENTR EXIT
DIAG I / O 0) EXT_ZERO_CAL=OFF
PREV NEXT JUMP PRNT EXIT
Press these buttons
until 32 is displayed
DIAG I / O JUMP TO: 01
0 1 ENTR EXIT
Activate the
Dark Shutter
DIAG I / O 32) DARK_SHUTTER=OFF
PREV NEXT JUMP OFF PRNT EXIT
SETUP X.X SECONDARY SETUP MENU
COMM VARS DIAG EXIT
EXIT returns
to the main
SAMPLE display
DIAG I / O 32) DARK_SHUTTER=ON
PREV NEXT JUMP ON PRNT EXIT
DIAG I / O JUMP TO: 32
3 2 ENTR EXIT
Press these buttons
until 36 is displayed
UV LAMP_SIGNAL
should be
<20 mV
06807C DCN6650