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Configuration, Startup and Operation 53
6
888Xi Advanced Electronics Instruction Manual Section 3: Configuration, Startup and Operation
PN 51-6888Xi December 2012
Setting Test Gas Values Using the 6888Xi Keypad/Display
1. Press the MENU button repeatedly until the IOB1 Probe 1 menu displays.
2. From the main menu, select DETAILED SETUP then press ENTER.
3. From the DETAILED SETUP menu, select CALIBRATION then press ENTER.
4. From the CALIBRATION menu, select CAL GAS 1 then press ENTER.
5. Press the RIGHT arrow key to edit the value. Use the RIGHT and LEFT arrow keys to select
the digit to edit, then the UP and DOWN arrow keys to change the value of the digit. Press
ENTER to save the new value. Press the LEFT arrow key to return to the CALIBRATION menu.
6. From the CALIBRATION menu, select CAL GAS 2 then press ENTER. Repeat step 5 for calibra-
tion gas 2.
7. Press the EXIT key to return to the main menu.
8. Repeat steps 1 through 7 for PROBE 2 if configured for dual channel.
Setting Test Gas Values Using Field Communicator in Manual Configure Mode
1. Use the 375/475 Field Communicator to access the main HART menu.
2. From the main menu, select CONFIGURE.
3. From the CONFIGURE menu, select MANUAL SETUP.
4. From the MANUAL SETUP menu, select CALIBRATION.
5. From the CALIBRATION menu, select GAS 1.
6. Press the RIGHT arrow key to edit the gas value.
7. Use the stylus on the screen to enter the new gas value then press ENTER when finished.
8. Use the stylus on the screen to select SEND to update the 6888Xi.
9. Repeat steps 5 through 8 for GAS 2.
3.7.2 Test Gas Times
Use a Field Communicator or the 6888Xi to set test gas flow time and purge time for calibration.
A 6888Xi shipped from the factory has test gas flow time and purge time set to 300 seconds.
This same process must be performed any time an I/O Board is replaced.
Setting Test Gas Times Using the 6888Xi Keypad/Display
1. Press the MENU button repeatedly until the IOB1 Probe 1 menu displays.
2. From the main menu, select DETAILED SETUP then press ENTER.
3. From the DETAILED SETUP menu, select CALIBRATION then press ENTER.
4. From the CALIBRATION menu, select GAS TIME then press ENTER.
5. Press the RIGHT arrow key to edit the value. Use the RIGHT and LEFT arrow keys to select
the digit to edit, then the UP and DOWN arrow keys to change the value of the digit. Press
ENTER to save the new value. Press the LEFT arrow key to return to the CALIBRATION menu.
6. From the CALIBRATION menu, select PURGE TIME then press ENTER. Repeat step 5 for purge
time 2.
7. Press the EXIT key to return to the main menu.
8. Repeat steps 1 through 7 for PROBE 2 if configured for dual channel.
Setting Test Gas Times Using Field Communicator in Manual Configure Mode
1. Use the 375/475 Field Communicator to access the main HART menu.
2. From the main menu, select CONFIGURE.
3. From the CONFIGURE menu, select MANUAL SETUP.
4. From the MANUAL SETUP menu, select CALIBRATION.
5. From the CALIBRATION menu, select GAS TIME.