User Data Sheet
Contents
1. D TT BasicSpdTune for tips on tuning the speed Spd Reg BW loop at the following link http www ab com drives powerflex pf700s application _tech index html SregOut Filt Gain A Disables the feed forward lead lag filter Allows up to 200 regenerative power to flow to the 128 128 Regen poner pe dynamic brake resistor Bi 1 Bit 1 is on to enable the s curve Bit 10 is on to 151 Logic Command B10 1 enable inertia compensation Bit 13 can be turned B13 1 on off to enable disable the position loop Application Encoder0 PPR Sets the PPR for the PF700S motor feedback Dependent Sets the drive up to do dynamic braking w external P ae a resistor first then bus regulation Application sets the watt second rating of the external dynamic Application sets the continuous watt rating of the external plana Years Dependent dynamic brake resistor P63 Virt Encdr Dlyed becomes the position reference PositRef P Gain Application Sets the proportional gain for the position loop Set Dependent this to 1 5 of P90 after done tuning the speed loop Digin1 Sel Start Start input for 3 wire control Dig In2 Sel Normal Stop ana Stop input for 3 wire control 840 Dig In3 Sel Jog 1 Used to independently jog the PF700S follower when the position loop is disabled 1000 SL Node Cfg Sets the virtual master as the time keeper for BO E 0 synchlink 1020 SL Tx Format 9 OA 4D Selects the format of the transmit data to send 42. Drive Application Software Application Set APPLICATION Application Set Title Virtual Encoder Position Master with SL SOFTWARE Drive Product PowerFlex 700S File Name for AS AS_PF700S_VirtEncdr_PositMaster_SL doc Date Revision 6 11 03 01 Attention This document and related file s are designed to supplement configuration of the listed drive product The information provided does not replace the drive products user manual and is intended for qualified personnel only Description The speed loop position loop and virtual encoder in the PowerFlex 700S will be used to synchronize the speed and position of the PowerFlex 700S master and followers This document is for setting up the master drive Electronic gearing can be used to match the speed of PowerFlex 700S drives with different mechanical gear ratios or electronic gearing can be used to make the PowerFlex 700S drives run at different ratios Limitations Requires that the motors on each PowerFlex 700S have encoders Requires dynamic braking or other method of dissipating regenerative energy during deceleration Options amp Default configuration for 3 wire control through digital inputs may be changed to 2 wire control Notes or for operation through 20 COMM x module This configuration is set for external dynamic braking The values for P416 Brake PulseWatts and P417 Brake Watts must be loaded by the user After downloading the dno file power must be cycled on the ma
3. direct 8B words 50usec and 8 buffered words 0 5 msec Allen Bradley i Eemeli DOGE AS_PF700S_VirtEncdr_PositMaster_SL doc ROCKWELL EA Rockwell orm Revision A Page 2 of 3 Automation Drive Application Software Application Set Par Name Value Link Description 21 Dir Tx a Indicates we are using the direct transmit buffer Data P1142 to send data 21 Dir Tx a Indicates we are using the direct transmit buffer Data P1143 to send data 1140 Tx Dir Data Type BO 1 Indicates that transmit word 0 is floating point data not integer 4142 SL Dir Real Txo 43 Sends the value of P43 S Curve Spd Ref over Synchlink Sends the value of P62 Virt Encdr Posit over AB Allen Bradley PEE DODGE AS_PF700S_ VirtEncdr_PositMaster_SL doc srt Rockwell Form Revision A Page 3 of 3 Automation
4. ster and follower drives to initialize SynchLink After downloading dno file the Motor Data Fdbk Config Pwr Circuit Diag Direction Test Motor Tests and Inertia Measure parts of the Startup routine should be performed to auto tune the PF700S drive to the motor Please see AS_PF7 00S_VirtualEncdr_PositionFollower_wSynchlink doc for information on independently jogging the master and follower drives using the position offset and setting up the electronic gear ratios Drive Input amp Output Connections O DII Start o o oS S DI2 Stop o o S DT UOMA S O DIS O N S ____ O AT3 ZON O Encoder Input 0 is wired to the quadrature encoder on Master Motor Encoder 1 P Description E S 02 Caon S 202 Allen Bradley Eemeli DOGE AS_PF700S_VirtEncdr_PositMaster_SL doc ROCKWELL EA Form Revision A D me Rockwell Page 1 of 4 Automation Drive Application Software Application Set Parameter Configurations Master Drive Changes from Default Parameter Settings Par Speed Trim 3 PBB Speed Trim 3 comes from P55 Speed Comp SpdTrim 3 Scale 0 002 a The multiplier for soeed compensation 57 SRB 48 speed reiereree br he maser dt 86 inet speceret 48 speed rejereres r e roi compensator Deck 57 ericson 1 nerean iaieineea Soe 5 Ineriapecocan 1 Staton nq autng coca e ea ds encoder PAR rsa a TS of the speed loop The speed loop should be tuned before enabling the position loop See tech tip 20
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