Motion Coordinator Technical Reference Manual
Trio BASIC Commands 8-27
Motion and Axis Commands
CONNECT
Type:
Axis Command
Syntax:
CONNECT(ratio , driving axis)
Alternate Format:
CO(ratio, driving axis)
Description:
CONNECT
the demand position of the base axis to the measured movements of the
driving axes to produce an electronic gearbox.
Parameters:
Note:
The ratio can be changed at any time by issuing another
CONNECT
command which
will automatically update the ratio without the previous
CONNECT
being cancelled.
The command can be cancelled with a
CANCEL
or
RAPIDSTOP
command.
Example:
In a press feed a roller is required to rotate at a speed one quarter of the measured
rate from an encoder mounted on the incoming conveyor. The roller is wired to the
master axis 0. An encoder daughter board monitors the encoder pulses from the
conveyor and forms axis 1.
SERVO AXIS(1)=OFF ' This axis is used to monitor the conveyor
SERVO=ON
CONNECT(0.25,1)
Note 2:
To achieve an exact connection of fractional ratio’s of values such as 1024/3072.
The MOVELINK command can be used with the continuous repeat link option set
on.
ratio:
This parameter holds the number of edges the base axis is required
to move per increment of the driving axis. The ratio value can be
either positive or negative and has sixteen bit fractional resolution.
The ratio is always specified as an encoder edge ratio.
driving
axis:
This parameter specifies the axis to link to.
CONNECT(1,1) CONNECT(2,1) CONNECT(0.5,1)
o
1
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