AKD User Guide | 10 Configuring General Drive Settings
The command buffer editor screen has following properties:
Button or Dialog Box Description
Command Buffer Number The identification number of the command buffer (1, 2, 3, 4).
High Command Buffer Adds sequence of commands to the High command buffer parameter. Con-
tents are saved to the keyword DIN.HCMDx. A maximum of 128 char-
acters can be set to drive along with the separator “;”. Commands must be
entered line by line and when saving to the drive each commands will be
formed into single line separated by “;”.
Low Command Buffer Adds sequence of commands to the Low command buffer parameter. Con-
tents are saved to the keyword DIN.LCMDx. A maximum of 128 char-
acters can be set to drive along with the separator “;”. Commands must be
entered line by line and when saving to the drive each commands will be
formed into single line separated by “;”.
Ok Saves the sequence of commands to the drive.
Close Closes the screen and returns to Digital I/O view. If contents are not saved
to drive before closing the screen, confirmation message “The commands
have been modified and not save to drive. Do you want close without sav-
ing?” is displayed.
Commands and parameters are entered on separate lines with a space between the parameter and the value.
Asemicolonseparatorisnotnecessaryintheeditor,butitisrequiredifthebuffersareeditedinsidetheterminalwindow.
10.2.3 Behavior of the Command Buffer
Digital inputs have either a high or a low state. The contents of the buffer are executed at the rising edge of the
state change. The contents of the buffer are also loaded at drive power up according to the starting state of the
digital input. When the command buffer is initially configured, the buffer is not executed until the first digital input
state change is detected.
90 Kollmorgen | December 2010
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