Teledyne 300m Bedienungsanleitung PDF herunterladen (Seite 61)

Teledyne API Model 300M CO Analyzer Instruction Manual, 04033, Rev. A

Table 5-2: I/O Signals (Continued)

# Signal Control Description

19 ST_HIGH_RANGE YES Status Bit - Autorange High Range

Logic High = M300M in high range

Logic Low = M300M in low range

20 ST_SYSTEM_OK YES Status Bit - System OK

Logic High = No instrument warning present

Logic Low = 1 or more alarm present

21 ST_BENCH_ALARM YES Status Bit - Bench Temperature Alarm

Logic High = Bench Temp out of spec

Logic Low = Bench Temp in spec

22 ST_SOURCE_ALAR

YES Status Bit - IR Source Alarm

Logic High = IR Source output too low

Logic Low = IR Source output normal

23 ST_WHEEL_ALARM YES Status Bit - Wheel Temperature Alarm

Logic High = Wheel Temp out of spec

Logic Low = Wheel Temp in spec

24 CO_MEASURE NO IR detector reading during measure phase. Typically

2500 - 4500 mV.

25 CO_REFERENCE NO IR detector reading during reference phase. Typically

2500 - 4500 mV.

26 SAMPLE_PRESURE NO Sample pressure in mV. Typical sea level value =

4300 mV for 29.9" HG-A.

27 VACUUM_PRESSUR

NO Sample flow in mV

28 SAMPLE_TEMP NO Sample temp in mV

29 BENCH_TEMP NO

Optical Bench temp. typically 2270 mV for 48°C

30 WHEEL_TEMP NO

Filter Wheel temp. typically 4770 mV for 68°C

31 BOX_TEMP NO Internal analyzer temp. in mV

(table continued)

5-5

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