Delta MMC120 User Manual

Page 86

This command instructs the motion controller to write data to

FLASH

for storage in case

of power loss or reset. Is the

COMMAND VALUE

is 1 when this command is executed,

Parameters and Profiles are saved to

FLASH

. If the

COMMAND VALUE

is 2 when this

command is executed, the Step Table is saved to

FLASH

. Do not use a

COMMAND

VALUE

greater than 2 with this command.

The data stored by each of these two

COMMAND VALUE

are stored in separate

locations, so one does not overwrite the other. If this command is successful, the

Acknowledge bit

of axis 1 is toggled. If this command fails, then the

Acknowledge bit

axis 2 is toggled.

Set Speed (Unsigned) Command

Character: V

Decimal: 86

Hexadecimal: 056

Command Value: New SPEED Value

This command sets

Speed

to the value in the

Command Value

field. This will cause the

current move to ramp up or down to the new speed. This command does not change the

Command Position

of the axis.

If you wish to simply jog in one direction or another under closed loop control, see the

Set Speed (Signed)

command.

Set Speed (Signed) Command

Character: v

Decimal: 118

Hexadecimal: 076

Command Value: New SPEED Value (Signed)

This command sets the

SPEED

of the axis to the

COMMAND VALUE

, which is a value

between –32,768 and 32,767. In addition, the axis given a

COMMAND POSITION

either the extend or retract limit depending on the sign of the COMMAND VALUE.
If the COMMAND VALUE is positive, the axis will move in the direction of increasing
position units

. If the COMMAND VALUE is negative, the axis will move in the

direction of decreasing position units.
If you wish to change only the speed of a move in progress, you may wish to use the

Set

Speed (Unsigned)

command instead.

Start a Graph Command

Character: y