Teledyne 6200A - Sulfides analyzer User Manual
Page 158

TAI Model 6200A SO
2
Analyzer Operator Manual, 02164, Rev. G
Table 9-4: Diagnostic Mode - Signal I/O (Continued)
No
Signal
Control
Description
19
ST_DIAG_MODE
YES
Status Bit - In Diagnostic mode
Logic High = 6200A in Diagnostic mode
Logic Low = Not in Diagnostic mode
20
ST_POWER_OK
YES
Status Bit - Power OK
Logic High = Instrument power is on
Logic Low = Instrument power is off
21
ST_SYSTEM_OK
YES
Status Bit - System OK
Logic High = No instrument warning present
Logic Low = 1 or more alarm present
22
ST_HVPS_ALARM
YES
Status Bit - HVPS alarm
Logic High = HVPS out of spec
Logic Low = HVPS within spec
23
PMT_SIGNAL
NO
Current PMT voltage. Same as PMT voltage in TEST
menu. Bi-polar, typically in 0-5000mV range. A
constant value of 5000mV indicates offscale.
24
RCELL_TEMP
NO
Reaction Cell temperature. 3500 mV for 50
o
C.
25
BOX_TEMP
NO
Box Temperature. Typically 1800 mV for 25
o
C.
26
IZS_TEMP
NO
IZS permeation tube oven temp. Typically 3500 mV
for 50
o
C.
27
PMT_TEMP
NO
PMT cold block temperature. Typically 4300 mV for
7
o
C.
28
DCPS_VOLTAG
NO
DC power supply composite voltage output.
Typically 2500 mV.
29
SAMPLE_PRES
NO
Sample pressure in mV. Typical sea level value =
4300mV for 29.9" HG-A.
30
SAMPLE_FLOW
NO
Sample flow in mV. Typical value is about 3200 mV
for 650cc/min.
31
HVPS_VOLTAG
NO
HVPS programming voltage. Output of HVPS is
1000x value present.
32
DAC_CHAN_0
NO
Output of SO
2
(DAC0/RANGE1) in mV.
33
DAC_CHAN_1
NO
Output of SO
2
(DAC1/RANGE2) in mV.
(table continued)
9-15