Teledyne API – Model T300/T300M CO Analyzer
Troubleshooting and Service
267
SAMPLE
RANGE=50.0 PPM CO= XXXX
<TST
TST> CAL
SETUP
DIAG
SIGNAL I/O
PREV
NEXT
ENTR
EXIT
DIAG AOUT
ANALOG OUTPUT
[20%]
EXIT
SETUP X.X
ENTER PASSWORD
8
1
8
ENTR
EXIT
DIAG AOUT
ANALOG OUTPUT
20%
EXIT
•
Pressing the button under “0%” pause
the test. Brackets will appear around the
value: EXAMPLE: [20%]
•
Pressing the same button again will
resume the test.
Performs analog output step
test 0% to 100%
SETUP X.X
SECONDARY SETUP MENU
COMM
VARS
DIAG
EXIT
SETUP X.X
PRIMARY SETUP MENU
CFG DAS RNGE PASS CLK
MORE
EXIT
11.5.8.3.
ANALOG OUTPUTS: CURRENT LOOP
To verify that the analog outputs with the optional current mode output are working
properly, connect a 250 ohm resistor across the outputs and use a voltmeter to measure
the output as described in Section 5.9.3.6 and then perform an analog output step test as
described in Section 11.5.8.2.
For each step the output should be within 1% of the nominal value listed in the table
below.
Table 11-11:
Analog Output Test Function - Nominal Values Voltage Outputs
OUTPUT RANGE
2 -20
4 -20
NOMINAL OUTPUT VALUES
STEP
%
CURRENT
V(250 OHMS)
CURRENT
V(250 OHMS)
1
0
2 mA
0.5V
4
1
2
20
5.6
1.4
7.2
1.8
3
40
9.2
2.3
10.4
2.6
4
60
12.8
3.2
13.6
3.4
5
80
16.4
4.1
16.8
4.2
6
100
20
5
20
5
06864D DCN7562
Содержание T300
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