Newport New Focus Picomotor 8743-CL User Manual page 94

94
MM
Enable/disable closed-loop positioning.
Description
xxMMnn
Syntax
This command is used to enable/disable closed-loop positioning of an axis. If closed-loop
Remarks
positioning is disabled, Picomotors can be commanded to move, but the controller will not
perform any end of move position correction. Closed-Loop correction takes affect only during
position regulation (holding position) as opposed to while moving. Furthermore, the
positioning units must be in 'Counts' (see SN command
NOTE: Closed-Loop correction is automatically disabled (MM=0) after a controller reset,
Argument
xx
nn
2SN1
Example
2FE1000
2CL0.1
SM
2MM1
2PA+100
MM?, SN, FE, CL
See Also
MM?
Closed-loop positioning status query.
Description
xxDB?
Syntax
This command is used to query the closed-loop positioning status for an axis.
Remarks
Argument
xx
Response
Value
2MM?
Example
0
MM
See Also
power-up, or a Following Error condition (see FE command).
Value
1 to 2
0
1
(set units to 'Counts'; encoder monitoring)
(set following error threshold to 1000 counts)
(set closed-loop update interval to 0.1 second)
(save settings to non-volatile memory)
(enable closed-loop positioning)
(move to encoder count position +100)
Value
1 to 2
Value
0 or 1
(get closed-loop positioning status)
(reply; 0; closed-loop positioning presently disabled)
Description
Axis number
Disable closed-loop positioning. Default = 0
Enable closed-loop positioning
Description
Axis number
Description
Disable or Enable