YASKAWA XTRAWARE - V3.0, Manual

Page: 253 / 263

List of System Variables
Note:
1) U.T: Update Time
U.T specifies when the value of each variable is updated.
ST Start setting: The variable is updated only after power-
up or software reset.
BG Background setting: A low priority is assigned to the
variable update – the driver updates the variable when
there is an opportunity to do so between other
operations.
T Task setting: The variable is updated when the
relevant conditions are met.
C Command setting: The variable is updated when a
command to do so is issued.
2 2 ms: The variable is updated every 2 milliseconds.
Whenever specifying a condition based on the value of a
variable, it is important that the update time or interval of that
variable is considered.
XtraWare User Manual 243