249
GRT1-CT1(-1) Counter Units Section 7-4
Preset Tab Page The Preset Tab Page is used to set the counter to a preset value. The counter
can be set to the preset value using the Action on Input Rising Edge or Action
on Input Falling Edge setting for the digital input or using the Preset Com-
mand Bit (bit 10 of word n+2).
Click the Preset Tab in the Edit Unit Parameters Window. The Preset Tab
Page will be displayed.
■ Preset Value
Set the Preset value Field to the desired preset value. The set value will be
stored in the Preset Value Register.
The following figure shows how the preset value works. In this example, a
fixed frequency is input from the encoder to the counter and the preset value
is set to 1000.
The preset value can be set to between –2,147,483,648 (8000 0000 hex) and
2,147,483,647 (7FFF FFFF hex).
This setting is stored in non-volatile memory. If the setting is changed, the
new value is effective immediately.
Action upon Bus Error Outputs are cleared.
Action upon Bus Idle Outputs are cleared.
Configuration tag (Not affected.)
Setting Default value
Counter preset
Preset value = 1000
Count
Time
To Next Page
Loading...
