354 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
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