Specifications

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BASIC commands

PROGRAMMING MANUAL 39

Revision 5.0

3.2.40 BASE

3.2.41 BASICERROR

Type Axis command

Syntax BASE

BASE(axis_1 [ ,axis_2 [ , axis_3 [ , axis_4 [ , axis_...]]]])

BA(axis_1 [ ,axis_2 [ , axis_3 [ , axis_4 [ , axis_...]]]])

Description The BASE command is used to set the default base axis or to set a specified

axis sequence group. All subsequent motion commands and axis parameters

will apply to the base axis or the specified axis group unless the AXIS com-

mand is used to specify a temporary base axis. The base axis or axis group is

effective until it is changed again with BASE.

Each BASIC process can have its own axis group and each program can set

its own axis group independently. Use the PROC modifier to access the

parameters for a certain task.

The BASE order grouping can be set by explicitly assigning the order of axes.

This order is used for interpolation purposes in multi-axes linear and circular

moves. The default for the base axis group is

(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15) at start-up or when a program starts

running on a task. The BASE command without any arguments returns the

current base order grouping. This should be used

Note: If the BASE command does not specify all the axes, the BASE com-

mand will “fill in” the remaining values automatically. Firstly it will fill in any

remaining axes above the last declared value, then it will fill in any remaining

axes in sequence.

So BASE(2,6,10) sets the internal array of 16 axes to:

2,6,10,11,12,13,14,15,0,1,3,4,5,7,8,9.

Note: The BASE command without any arguments should only be used on

the Command Line Terminal.

Arguments The command can take up to 16 arguments.

• axis_i

The number of the axis set as the base axis and any subsequent axes in

the group order for multi-axis moves.

Example BASE(1)

UNITS = 2000 ' Set unit conversion factor for axis 1

SPEED = 100 ' Set speed for axis 1

ACCEL = 5000 ' Set acceleration rate for axis 1

BASE(2)

UNITS = 2000 ' Set unit conversion factor for axis 2

SPEED = 125 ' Set speed for axis 2

ACCEL = 10000 ' Set acceleration rate for axis 2

It is possible to program each axis with its own speed, acceleration and other

parameters.

Example BASE(0)

MOVE(100,-23.1,1250)

In this example, axes 0, 1 and 2 will move to the specified positions at the

speed and acceleration set for axis 0. BASE(0) sets the base axis to axis 0,

which determines the three axes used by MOVE and the speed and accelera-

tion rate.

Example >> BASE

(0,2,1)

On the command line the base group order can be shown by typing BASE.

Example >> RUN "PROGRAM", 3

>> BASE PROC(3)

(0,2,1)

Use the PROC modifier to show the base group order of a certain task.

Example >> BASE(2)

>> PRINT BASE

2.0000

Printing BASE will return the current selected base axis.