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Configuration, Startup and Operation 61
6
888Xi Advanced Electronics Instruction Manual Section 3: Configuration, Startup and Operation
PN 51-6888Xi December 2012
before the manually configured times
1
0. Use the stylus on the screen keypad to press ENTER when finished.
11. Use the stylus on the screen to select SEND to update the 6888Xi.
3.7.11 Low Temperature Set Point
Use a Field Communicator or the 6888Xi to configure the low temperature setpoint.
The Low Temperature Set Point setups are only valid if the 6888Xi is configured with the
Extended Temperature Enhanced Software Option. If the Option is not enabled in the 6888Xi,
the setup selections will not appear in the menu.
A 6888Xi shipped from the factory with the Extended Temperature Enhanced Software Option
configured will initially have the heater set to normal and the heater latch off set to off. This
same process must be performed any time an I/O Board is replaced.
Configuring the Low Temperature Set Point 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 SENSOR then press ENTER.
4. From the SENSOR menu, select HEATER SP then press ENTER.
5. Press the RIGHT arrow key to edit the value.
Normal – Heater set point at 736°C
Low – Heater set point at 550°C
Use the UP and DOWN arrow keys to select the mode. Press ENTER to save the new value.
Press the LEFT arrow key to return to the SENSOR menu.
6. From the SENSOR menu, select HIGH TEMP ALM SP then press ENTER.
7. Press the RIGHT arrow key to edit the value. Use the RIGHT and LEFT arrow keys to select
the digit to edit, the the UP and DOWN arrow keys to change the value of the digit. The
value must be between 750°C and 850°C. Press ENTER to save the new value. Press the LEFT
arrow key to return to the SENSOR menu.
8. From the SENSOR menu, select HEATER LATCH OFF then press ENTER.
9. Press the RIGHT arrow key to edit the value.
No – Heater turns off above set point, then turns back on if process falls below set point
Yes – Heater turns off above set point, but does not then turn back on if process falls
below set point
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 SENSOR menu.
10. Press the EXIT key to return to the main menu.
11. Repeat steps 1 through 8 for PROBE 2 if configured for dual channel.
Configuring the Low Temperature Set Point 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 SENSOR.
5. From the SENSOR menu, select HEATER SET POINT.
6. Press the RIGHT arrow key to edit the value. Use the UP and DOWN arrow keys to select the
mode.