Table 9-4: Diagnosticm - Teledyne 200A Instruction Manual

Nitrogen oxides analyzer
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Teledyne API Model 200A NO
Table 9-4: Diagnostic Mode - Signal I/O (Continued)
No.
Signal
21
ST_POWER_OK
22
ST_SYSTEM_OK
23
ST_HIGH_RANGE
24
PMT_SIGNAL
25
SAMPLE_PRESs
26
RCELL_TEMP
27
BOX_TEMP
28
IZS_TEMP
29
PMT_TEMP
30
DCPS_VOLTAGE
31
RCELL_PRESS
32
OZONE_FLOW
33
CONV_TEMP
34
HVPS_VOLTAGE
(table continued)
Analyzer Instruction Manual, 02246, Rev. F1
X
Control
Description
YES
Status Bit - Power OK
Logic High = Instrument power is on
Logic Low = Instrument power is off
YES
Status Bit - System OK
Logic High = No instrument warnings present
Logic Low = 1 or more alarms present
YES
Status Bit - Autorange High Range
Logic High = M200A in high range of autorange
mode
Logic Low = M200A in low range of autorange
mode
NO
Current PMT voltage. Same as PMT voltage in TEST
menu. Bi-polar, typically in 0-5000 mV range. A
constant value of 5000 mV indicates offscale.
NO
Sample pressure in mV. Typical sea level value =
4300 mV for 29.9" Hg-A.
NO
Reaction Cell temperature. Typically 3500 mV for
50° C.
NO
Box Temperature. Typically 1800 mV for 25° C
NO
IZS permeation tube oven temp. Typically 3500 mV
for 50° C.
NO
PMT cold block temperature. Typically 3600 mV for
10° C.
NO
DC power supply composite voltage output.
Typically 2500 mV.
NO
Reaction Cell Pressure in mV. Typically 1270 mV
for 5" Hg-A at sea level. Is an absolute pressure so
higher values means higher absolute pressures.
NO
Ozone flowmeter voltage. Typically 2000 mV at
80 cc/min.
NO
Molybdenum Converter temp. Typically 3150 mV at
315° C.
NO
HVPS programming voltage. Output of HVPS is
1000x value present. 700 mV = 700 VDC output.
9-15

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