Filter
Top Products
60 Configuration, Startup and Operation
S
ection 3: Configuration, Startup and Operation 6888Xi Advanced Electronics Instruction Manual
December 2012 PN 51-6888Xi
Configuring the Plugged Diffuser Diagnostic 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 DIFFUSER then press ENTER.
5. From the DIFFUSER menu, select PLUGGED DIFFUSER then press ENTER.
6. Use the UP and DOWN arrow keys to select the mode.
Disable – Disables this feature
Rate – Uses rate of change of gas value during purge to determine when purge is complete
Proximity – Uses comparison of pre-calibration measurement versus post-calibration meas-
urement purge to determine when purge is complete
Rate&Prox – Uses both methods to determine when purge is complete (e.g. both must be
true)
Press ENTER to save the selection. Press the LEFT arrow key to return to the CALIBRATION
menu.
7. From the CALIBRATION menu, select AUTO ADVANCE CAL then press ENTER.
8. Press the RIGHT arrow key to edit the value.
No – Disables the function
Yes – Shortens cal gas flow time or purge time if the measured gas value stabilized
before the manually configured times
Use the UP and DOWN arrow keys to change the value from NO to YES or YES to NO. Press
ENTER to save the new value. Press the LEFT arrow key to return to the CALIBRATION menu.
9. Press the EXIT key to return to the main menu.
10. Repeat steps 1 through 9 for PROBE 2 if configured for dual channel
Configuring the Plugged Diffuser Diagnostic 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 DIFFUSER.
6. From the DIFFUSER menu, select PLUGGED DIFFUSER.
7. Press the RIGHT arrow key to edit the value. Use the UP and DOWN arrow keys to select the
mode.
Disable – Disables this feature
Rate – Uses rate of change of gas value during purge to determine when purge is complete
Proximity – Uses comparison of pre-calibration measurement versus post-calibration meas-
urement purgeto determine when purge is complete
Rate&Prox – Uses both methods to determine when purge is complete (e.g. both must be
true)
8. Use the stylus on the screen keypad to press ENTER when finished.
9. Use the stylus on the screen to select SEND to update the 6888Xi.
8. From the DIFFUSER menu, select AUTO ADVANCE CAL.
9. Press the RIGHT arrow key to edit the value. Use the UP and DOWN arrow keys to select the
mode.
No – Disables the function
Yes – Shortens cal gas flow time or purge time if the measured gas value stabilized