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P/N 02163G Teledyne API Model 300 CO Analyzer Instruction Manual - Page 11
OUTPUT #
PIN PAIR
(LOW, HIGH)
STATUS
CONDITION
1
1,2
ZERO CAL
TRUE DURING ZERO
CALIBRATION
2
3,4
SPAN CAL
TRUE DURING SPAN
CALIBRATION
3
5,6
FLOW ALARM
TRUE IF A FLOW
WARNING EXISTS
4
7,8
TEMP ALARM
TRUE IF ANY TEMP
WARNING EXISTS
5
9, 10
DIAG MODE
TRUE IF IN
DIAGNOSTIC MODE
6
11,12
POWER ON
TRUE IF MAIN POWER
IS ON
7
13,14
PRESS ALARM
TRUE ON LOW
PRESSURE
8 15,16
HIGH
RANGE
SELECTED
TRUE IF THE AUTO-
RANGE FUNCTION HAS
SWITCHED THE
ANALYZER INTO HIGH
RANGE.
9
17,18
SYSTEM OK
TRUE IF NO ALARM
CONDITIONS EXIST
10 19,20
RESERVED
11 21,22 SOURCE
WARNING
TRUE IF THE
ANALYZER SOURCE
INTENSITY IS OUT OF
LIMITS.
12 23,24
RESERVED
TABLE 1.1 STATUS OUTPUTS
1.6.4 RS-232
The RS-232 connection is a male, 9-pin D-sub connector at the location shown in Figure
1.2.
1.6.5 Pneumatic system
The Model 300 is equipped with a vacuum pump capable of pulling 800 cc/min across a
critical flow orifice. This allows a smooth, stable flow of sample through the Analyzer.
Sample enters the Analyzer through a 5 micron TFE particulate filter element (37 mm
diameter) mounted immediately behind the front panel. The sample then enters directly
into the sample cell. Please see Figure 1.3 for a flow diagram and Figure 1.4
for
pneumatic connections.