IDEC FC4A-C10R2 User Manual page 155

Fc4a series microsmart micro programmable logic controller

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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.

Go to control

2. Select the operand number.

Select digit.

Select digit.

3. The current value of the selected timer number is displayed.

Go to next screen.

Current Value

4. The preset value of the selected timer number is displayed. Change the preset value to 900 as described below.

Shift up one

Shift up one

5. The changed preset value is displayed without ﬂashing. Write the new preset value to the CPU module RAM.

Write the new preset value to the CPU RAM.

Return to the Timer menu.

New Preset Value

Note: The changed timer/counter preset values are stored in the

by a lithium backup battery. If required, the changed preset values can be written from the

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.

Select digit.

Select digit.

Back to digit

Complete operand selection.

Go to next screen.

CPU module RAM and backed up for 30 days

Shift up one

Back to digit

preset value

CPU module RAM to

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Troubleshooting