Teledyne 100AH instruction manual 10-14, Signal Control Description

Teledyne API Model 100AH SO2 Analyzer Instruction Manual, 02417, Rev. D

Table 10-4: Diagnostic Mode - Signal I/O (Continued)

No.	Signal	Control	Description
10.	BROWNOUT_RESET	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.
11.	ST_LAMP_ALARM	YES	Status Bit - UV Lamp alarm
			Logic High = UV lamp output too low
			Logic Low = Lamp output normal
12.	LOW_SPAN_VALVE	YES	Energizes the low span valve. Use this bit to test the
			valve function.
13.	ST_HIGH_RANGE	YES	Status Bit - Autorange High Range
			Logic High = M100AH in high range of autorange
			mode
			Logic Low = M100AH in low range of autorange
			mode
14.	ST_LOW_SPAN_CAL	YES	Status Bit - Low Span Calibration mode
			Logic high = M100AH in Low Span cal mode
			Logic low = Not in Low Span cal mode
15.	PRMP_RNG_HI	YES	Switches the preamp (02107) hardware range.
			Standard ranges are 500 and 5,000 PPM. Logic
			high = 5,000 PPM; logic low = 500 PPM. M100AH
			will reset range to correct value based on user set
			range value.
16.	ST_ZERO_CAL	YES	Status Bit - Zero Calibration mode
			Logic high = M100AH in Zero cal mode
			Logic low = Not in Zero cal mode
17.	ST_SPAN_CAL	YES	Status Bit - High Span Calibration mode
			Logic high = M100AH in High Span cal mode
			Logic low = Not in High Span cal mode
18.	ST_FLOW_ALARM	YES	Status Bit - Flow alarm
			Logic High = Sample flow out of spec
			Logic Low = Flows within spec

(table continued)

10-14