Set Pressure; System Tests - Ametek Dycor CG1000-RTP User Manual

4-4 | Dycor CG1000-RTP Oxygen Analyzer

Set Pressure

Defines the process pressure and whether your process is operating under
a positive or negative pressure. Setting this value corrects oxygen measure-
ments for the defined pressure.
1. From the Setup key menu, select Set Pressure.
2. Select Positive Pressure or Negative Pressure.
3. Enter your system process pressure up to one decimal point and press EN-
TER. A positive value will display a (+) and negative a (-) before the value.
Press ENTER to exit the menu option.
4.
The process pressure you entered will appear on the third display line.

System Tests

Check for possible problems and isolate them. Also used to perform system
diagnostics for service personnel.

Performing these tests is not required under normal operations.
NOTE
Calibrate A/D
Test RAM
Test Keyboard
Test EEPROM
Erase RAM
Erase EEPROM
Watchdog Timer
Serial Output
Read Memory Location
Pressure = xx.x PSIG
New Value?
Forces an A/d converter calibration. This is auto-
matically done during system start-up.
checks the functionality of the control unit's inter-
nal Random Access Memory (RAM).
Tests that each key is functioning correctly.
Tests the electrically erasable programmable read-
only memory.
Erases all RAM memory locations.
Erases internal EEPRoM memory locations if your
control unit is not operating properly. Be careful,
though, because selecting this option will erase all
settings in your control unit, and the default values
will be reinstalled.
Tests that the watchdog timer and alarm circuit
is working properly. (see the "watchdog Timer"
section at the end of the Alarms chapter for more
information on the watchdog timer).
Sends the string "Test Message" through the serial
port until stopped by the user. This is used to test
communication settings and wiring.
This is used to view internal software variables
used for system operation and troubleshooting.