IDEC MicroSmart - Manual (Page 155)

5: S PECIAL F UNCTIONS
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Displaying Timer/Counter Current Values and Changing Timer/Counter Preset Values
This section describes the procedure for displaying a timer current value and for changing the timer preset value for an
example. The same procedure applies to counter current values and preset values.
Example: Change timer T28 preset value 820 to 900
1. Select the Timer menu.
2. Select the operand number.
3. The current value of the selected timer number is displayed.
4. The preset value of the selected timer number is displayed. Change the preset value to 900 as described below.
5. The changed preset value is displayed without flashing. Write the new preset value to the CPU module RAM.
Note: The changed timer/counter preset values are stored in the MicroSmart CPU module RAM and backed up for 30 days
by a lithium backup batter y. If required, the changed preset values can be written from the MicroSmart CPU module RAM to
the EEPROM using the Timer/Counter Changed Preset Value Confirm menu described on page 5-36. For the data movement
in the CPU module, see page 7-13.
OK
Go to control
screen.
OK
Slow Flash
Select digit.
▼▼
Quick Flash
Decrement
the value.
ESC
▲
Back to digit
selection. Shift up one
digit.
Quick Flash Slow Flash
OK
Slow Flash
Select digit.
▲▲
Quick Flash
Increment
the value.
OK
Complete operand selection.
Go to next screen.
Quick Flash
OK
Go to next screen.
Current Value
▲
Slow Flash
Shift up one
digit.
OK
Slow Flash
Select digit.
▼▼ ESC
Decrement
the value. Back to digit
selection.
Quick Flash Quick Flash
▲
Slow Flash
Shift up one
digit.
OK
Slow Flash
Select digit.
▲
OK
Increment
the value. Complete
preset value
change.
Quick Flash Quick Flash
OK
Write the new preset value to the CPU RAM.
Return to the Timer menu.
New Preset Value