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Troubleshooting and Service Teledyne API – Model T700 Dynamic Dilution Calibrator
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9.4.11.3. Status Outputs
To test the status output electronics:
1. Connect a jumper between the “D“ pin and the “” pin on the status output
connector.
2. Connect a 1000 ohm resistor between the “+” pin and the pin for the status output
that is being tested.
3. Connect a voltmeter between the “” pin and the pin of the output being tested (see
table below).
4. Under the DIAG Signal I/O menu (See Section9.1.3), scroll through the inputs and
outputs u
n
til you get to the output in question.
5. Alternatively, turn on and off the output noting the voltage on the voltmeter.
It should vary between 0 volts for ON and 5 volts for OFF.
Table 9-12: Status Outputs Check
PIN (LEFT TO RIGHT) STATUS
1 ST_SYSTEM_OK
2 SPARE
3
ST_CAL_ACTIVE
4
ST_DIAG_MODE
5
ST_TEMP_ALARM
6
ST_PRESS_ALARM
7
PERM_VALVE_1
8
PERM_VALVE_2
06873B DCN6388