Yokogawa DR240 - Manual (Page 228)

12-8 IM DR232-01E
12.4 Starting/Stopping Computation
Computation can be started and stopped from the FUNC menu or using the event/action function.
Starting/stopping computation from the FUNC menu
Press the FUNC key and select the desired operation from the FUNC menu.
• MATH START
Starts computation. This is displayed while computation is not in progress.
• MATH CLR START
Clears computation results then re-starts computation.
Start
Computed data
Start
Stop Clear/start
• MATH STOP
Stops computation. Computation results are not cleared. This is displayed while computation
is in progress.
• MACH ACK
Clears status indication which is displayed in case of incomplete measurement during
computation.
For a detailed description of the FUNC menu, refer to 9.3, “Alarm Acknowledgment, Alarm Rest,
Timer Reset, Keylock, and Message Printout” (page 9-14).
Starting/stopping computation using the event/action function
The event/action function can be used to carry out the following operations.
• MATH START
Starts computation.
• MATH STOP
Stops computation.
• MATH CLEAR
Clears data before the first computation is carried out.
Start Clear
Measurement interval
Computed data
• MATH RESET
Clears data after the first computation is carried out.
Start Reset
Measurement interval
Computed data