Teledyne 6400A Instruction Manual page 132

TAI Model 6400A SO
Table 9-4: Diagnostic Mode - Signal I/O (Continued)
No Signal
10 BROWNOUT_RESET
11 ST_LAMP_ALARM
12 ST_HIGH_RANGE
13 ST_SHUT_ALARM
14 PRMP_RNG_HI
15 ST_ZERO_CAL
16 ST_SPAN_CAL
17 ST_FLOW_ALARM
18 ST_TEMP_ALARM
(table continued)
Analyzer Operator Manual, 02164, Rev. G
2
Control Description
YES Brownout reset works in conjunction with
DSP_BROWNOUT. When DSP_BROWNOUT is
set the CPU sends a signal to reset the display and
clear the DSP_BROWNOUT.
YES Status Bit - UV Lamp alarm
Logic High = UV lamp output too low
Logic Low = Lamp output normal
YES Status Bit - Autorange High Range
Logic High = 6400A in high range of autorange
mode
Logic Low = 6400A in low range of autorange mode
YES Status Bit - Shutter alarm
Logic High = Shutter not working
Logic Low = Shutter working properly
YES Switches the preamp (01105A) hardware range.
Standard ranges are 2000 and 20,000 ppb. Logic high
= 20,000 ppb; logic low = 2000 ppb. 6400A will
reset range to correct value based on user set range
value.
YES Status Bit - Zero Calibration mode
Logic high = 6400A in Zero cal mode
Logic low = Not in Zero cal mode
YES Status Bit - Span Calibration mode
Logic high = 6400A in Span cal mode
Logic low = Not in Span cal mode
YES Status Bit - Flow alarm
Logic High = Sample flow out of spec
Logic Low = Flows within spec
YES Status Bit - Temperature alarm
Logic High = Reaction cell, IZS, PMT, Box temps
out of spec
Logic Low = Temps within spec
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