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Rockwell Automation Publication 2080-UM002N-EN-E - November 2022
Appendix H User-defined Function Block Motion Instructions
RA_PF525_POS
This instruction allows simple PowerFlex 525 drive control in Position Mode.
OutputFreq
REAL
Displays the reference speed of the drive.
ActualDir
STRING
Indicates the rotating direction.
AtRef
BOOL
Indicates that the drive is at reference speed.
Ref_Output
PowerFlex523_O or
PowerFlex525V_O
Reference the output data structure of the drive to control.
Table 101 - UDFB for RA_PF525_POS
Operand
Type
Description
Instance
RA_PF525_POS_X
Unique instance of the RA_PF525_POS UDFB.
_EN
BOOL
Trigger of UDFB to start executing the instruction.
Start
BOOL
Command the drive to start.
Stop
BOOL
Perform a normal stop.
Jog
BOOL
Command the drive to jog.
SetDir
BOOL
Command the direction of drive.
0 = Reverse Command
1 = Forward Command
ClrFault
BOOL
Clear the drive fault.
FreqCommand
REAL
Control the reference speed of the drive. In units of 0.01 Hz.
Ref_Input
PowerFlex525P_I
Reference the input data structure of the drive to control.
LogicIn1
BOOL
Provides an identical function as the “Logic In1” Digital Input
option.
LogicIn2
BOOL
Provides an identical function as the “Logic In2” Digital Input
option.
Table 100 - UDFB for RA_PF523_VEL and RA_PF525_VEL (Continued)
Operand
Type
Description