DMC-1400 Series Command Reference RP 175
RP
FUNCTION: Reference Position
DESCRIPTION:
This command returns the commanded reference position of the motor.
ARGUMENTS: RP
USAGE:
While Moving Yes Default Value 0
In a Program Yes Default Format Position Format
Command Line Yes
Can be Interrogated No
Used as an Operand Yes
Controller Usage ALL
OPERAND USAGE:
_RP contains the commanded reference position.
RELATED COMMAND:
TP Tell Position
TE Tell Error
Note: The relationship between RP, TP and TE is that the position error, _TE, equals the
difference between the reference position, _RP and the actual position, _TP.
EXAMPLES:
:PF 7 Position format of 7
0:RP
0000200 Return reference position
PF-6.0 Change to hex format
RP
$0000C8 Return in hex
Position=_RP Assign the variable, Position, the value of RP
HINT: RP command is useful when operating step motors since it provides the commanded
position in steps when operating in stepper mode.