U511 User’s Manual Programming Commands
Version 1.1 Aerotech, Inc. 5-13
5.5.1. ABORT
The AB command aborts motion of the axes and clears the queue buffer. All enabled axes
will ramp to a stop using the “Max accel/decel” parameter (x16). The software position
registers will then be updated with the new position.
The abort command is similar to pressing the front panel abort key.
SYNTAX:
AB
There are no arguments needed with AB command.
5.5.2. ACCELERATION
The AC command is used to specify the acceleration/deceleration rate for each axis. This
command overrides, but does not change the setting of parameter x16 (“Max accel/decel”
[machine steps/ms/ms]). The rate established by this command remains in effect until
updated by a subsequent AC entry or a system reset.
SYNTAX:
ACCELERATION axis_rate
AC axis_rate
axis_rate The axis_rate argument defines an axis (X, Y, Z, or U) as
well as an associated acceleration/deceleration rate for that
axis (given in machine steps/msec
2
).
The INDEX and FREERUN commands use this command's data for ramp up and
ramp down functions.
The acceleration rate that can be used with the AC command is a maximum of 2
15
machine steps/msec
2
. The use of the decimal point is optional (e.g., AC Z25 is the same
as AC Z25.).
EXAMPLES:
AC X1 ;The acceleration rate for axis X is 1 steps/msec
2
AC Z25 ;The acceleration rate for axis Z is 25 steps/msec
2
Related commands
INDEX, FREERUN
E
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