VSDEPI VSD-E Parallel Interface breakout board
Contents
1. voltage on board negative voltmeter lead to TP_GND and positive lead to TP_VCC Voltmeter reading should be between 4 5 and 5 5 VDC VSDEPI board is not working properly when JP1 is removed chargepump is enabled Ensure that charge pump signal is present from PC to D Sub pin 1 Measure voltage from on board test pads negative voltmeter lead to TP_GND and positive lead to TP_CPUMP When charge pump is operating properly the voltage between these pins should be below 1 VDC Make sure that you have checked Chargepump On in Estop from Mach3 Config gt General Config menu this is not necessary on VSDEPI board V1 1 and later e If you are using SmoothStepper the above option does not have effect due to SS driver bug To workaround this insert JP1 disable chargepump Important notices Granite Devices is not responsible for possible damages or losses caused by this document VSDEPI or supplied files VSDEPI this information or supplied files should not be used in applications where malfunction may result to injury death or large financial losses www granitedevices fi 9 9 2009 03 242. PC Routed from VSD encoder connector connect actual switch to VSD E XE home switch input 13 Z home switch to PC Routed from VSD encoder connector connect actual switch to VSD E XE home switch input 14 Drive enable from PC drives active when high disabled when low 15 A home switch to PC Routed from VSD encoder connector connect actual switch to VSD E XE home switch input 16 On board relay control input Relay on when high 17 External relay control input Relay on when high 18 25 Ground www granitedevices fi 8 9 2009 03 24 GRANITE VSDEPI VSD E Parallel Interface breakout board TA DEVICES Manual Ver 1 05 E stop switch connections It is possible to connect normally open NO switch directly to VSDEPI E_ STOP terminal Alternatively normally closed NC switch can be installed by using following wiring Normally closed E stop switch YSD E Breakout board V1 1 Cc 2688 Granite Devices Ml_ananann IT Figure 7 Wiring of normally closed NC e stop button Troubleshooting Drives are always disabled or charge pump is not functioning properly Check that JP1 is set correctly removed if charge pump is being used or inserted when not used Ensure that all connected drives have correct VSDEPI configuration saved in them Ensure that flat ribbon cables are assembled in correct polarity pin 1 from VSDEPI goes to pin 1 in drive etc Measure
3. Rewind ePump On in EStop T Turn off all outputs E Stop the system MW FeedOverRide Persist W Perform G92 1 No System Menu in Wacha fio Turn Manual Spindle rier Remove Tool Offset Jog Increments in Cycle Mode M Use Key Clicks l l i 0 Spindle 0 t M Radius Comp Off T Home Slave with Master Axis De ae Position 1 Ew Control Plasma Mode D C Dist Tolerance 180 Units T G100 Adaptive NurbsCw Stop C on angles gt jo Degrees Ans DRO Properties T Include TLO inZ from G31 IM Lock Rapid FRO to Feed FRO Rotational T Rot 360 rollover Ang Short Rot on GO W Rotational Soft Limits I Turn Off Spindle MO1 Control I Stop on M1 Command Serial Output ComPort i BaudR ate 3600 8 Bit1 Stop 7 Bit 2 Stop Use 999 to indicate a Continous Jog selection I Tool Selections Persistent W Optional Offset Save I Persistent Offsets I Persistent DAOs T Copy G54 from G59 253 on startup Screen Control HiRes Screens I Boxed DAO s and Graphics Auto Screen Enlarge M Flash Errors and comments Program Safety 0 001 Program Safety Lockout Position 10 0 0001 This disables program translation while the External Actvation 17 input is activated Figure 2 Mach3 general settings dialog Correct chargepump setting circled This setting is not necessary on VSDEPI board V1 1 and later Engine C
4. VSDEPI VSD E Parallel Interface breakout board Manual Ver 1 05 METIN 1 8 F AZ er D WA Bez s CE Introduction VSD E Parallel interface is a breakout board designed to ease connection of up to four VSD E drives in single D Sub 25 connector Connector pin out has been designed for step dir operation from popular CNC controllers such as Mach3 EMC2 and SmoothStepper On board features 1 to 4 axis VSD E interface with direct ribbon cables Easy to install no messy wiring Safety charge pump E Stop input 10A 250VAC relay external relay control output Full high speed optoisolation with VSD E Drive fault status forwarded to PC Drive disable amp enable from PC Home switch signals routed from VSD E s to PC Powered from PC USB Lacking charge pump signal fault on any drive or hitting E Stop button will O Disable all drives Oo Disable relays O Inform control software by setting logic 0 status to D Sub pin 10 fault or E stop condition signaled to PC www granitedevices fi 1 9 2009 03 24 VSDEPI VSD E Parallel Interface breakout board Manual Ver 1 05 Installation Physical overview UEIT 11 Hi ely aay 7 A DA os os os sz Inspect the following illustration of VSDEPI physical construction c8 IC1 OWI X OWO A OWI Z PARALLEL 10 O O W123 DAYUVTVUUUT VET ULI i eo M25 pros oros NNANNNN NN Figure 1 VSDEPI physical ov
5. ct its contents 2 Open GDtool and connect it to drive by choosing Device gt Connect to drive 3 Import drive settings when asked or import manually by choosing Device gt Import settings from drive 4 Load VSDEPI settings by choosing File gt Open and choosing the GDtool_ VSDEPI_config drc 5 Press Set 6 Choose Device gt Save active settings in drive 7 Repeat these instructions for every drive that will be connected to VSDEPI Loading VSDEPI_config drc will modify only following settings Motor control mode Drive pulse input mode and all User I O settings All of these settings are located in General settings page Other settings are do not affect VSDEPI functionality However user may need to adjust Trajectory planner input scaling to match step pulse frequency to controller frequency capabilities One may also want to enable Enable input filtering from General settings page to filter input pulses for smoother operation Making first connections This manual assumes that you have already working configuration saved in VSD drives including GDtool_VSDEPI_config drc For basic installation follow the given steps Connect a VSD E VSD XE drive to one of VSDEPI axis outputs by 16 pin flat ribbon cable Connect an E stop switch to ESTOP connector optional e Configure charcepump jumper Insert jumper JP1 if charge pump feature is not being used or leave open if chargepump activated Connect 25 pin D Sub parallel cable t
6. ed so it doesn t matter what l you select However it affects the scaling in 256 kHz Motor Tuning so you may choose a selection that makes Motor Tuning work better Spindle 32 kHz Spindle Values will be assigned to groups of similar signals The specified values will be rounded to the nearest multiple of about 1 43 microseconds To disable filtering for agen groups of inputs use A Encoders MPGs I Relay or None T PWM Step and Dir Base Hz 1000 Pulse Width us 0 1 Figure 6 SmoothStepper plugin V0 13 settings Ensure correct noise filter settings www granitedevices fi 7 9 2009 03 24 GRANITE VSDEPI VSD E Parallel Interface breakout board SA SkveEsS Manual Ver 1 05 D Sub pin out Configure your CNC control software pinout accordingly Parallel port pin Function 1 Charge pump input feed 10 30 kHz frequency to this input or insert jumper JP1 to disable this feature X axis direction X axis step rising edge Y axis direction Y axis step rising edge Z axis direction Z axis step rising edge A axis direction OO NI io UW BR WIN A axis step rising edge m O Drive fault amp E stop input to PC active low Also low when charge pump signal was not detected while JP1 is open m m X home switch to PC Routed from VSD encoder connector connect actual switch to VSD E XE home switch input 12 Y home switch to
7. erview Location in Figure 1 Description 1 USB B USB connector for 5V power input USB B connector type 2 PARALLEL 25 pin male D Sub connector for control input output signals 3 ESTOP E Stop switch input terminal Normally open switch may be connected to this input 4 RELAY Relay terminal Up to 10A 250VAC load can be powered through this connector 5 EXT_RELAY External relay output 5 Volt relay coils of external relay can be connected to this connector 6 JP1 Charge pump setting jumper Charge pump feature is disabled when jumper is inserted 7 X_CMD X axis drive output Direct 16 pin flat ribbon cable connection to VSD E or VSD XE 8 Y_CMD Y axis drive output Direct 16 pin flat ribbon cable connection to VSD E or VSD XE 9 Z_ CMD Z axis drive output Direct 16 pin flat ribbon cable connection to VSD E or VSD XE 10 A_CMD A axis drive output Direct 16 pin flat ribbon cable connection to VSD E or VSD XE www granitedevices fi 2 9 2009 03 24 GRANITE VSDEPI VSD E Parallel Interface breakout board SA SkveEsS Manual Ver 1 05 GDtool settings for VSDEPI For correct operation VSDEPI requires several VSD E or VSD XE drive configuration parameters to be set properly This guide assumes that drive has been correctly configured amp tuned for motor To load correct VSDEPI settings to drive follow these steps 1 Download VSDEPI_config zip from VSDEPI product page and extra
8. o controller PC or SmoothStepper port Connect USB cable from PC USB port to VSDEPI to supply power to VSDEPI www granitedevices fi 3 9 2009 03 24 GRANITE VSDEPI VSD E Parallel Interface breakout board DEVICES Manual Ver 1 05 Mach3 settings for VSDEPI Follow the images and configure Mach3 accordingly G20 G21 Control Editor Shuttle Wheel Setting Lock DRO s to setup units GCode Editor Browse Shuttle Accel windows otepad exe fo 25 Seconds Startup Modals Inputs Signal Debouncing Noise rejection Debounce Interval 0 x fus Indes Debounce 9 Stop Spindle Wait for Cycle Start General Configuration AutoT ool Changer oe ct Use Init String on ALL Resets I Zis 25D on Output 6 l Disable Gouge Concavity Checks Araua P Initialization Strin IM Home Sw Safety GO4 Dwell in me ngular Properties eT f Unchecked for Linear Looak head 20 Lines Use well UE M Atsi is Angular Motion Mode T Ignore M calls while loading l Debug This un ca Bee secant Constant Velocity Exact Stop MS Execute after Block M Enhanced Pulsing Axis ig Angular a j l UDP Pendent Control D Allow Wave Files M C Axis is Angular aiandi F Allow Speech Distance blade r lJ Mode Absolute Inc E Absolute Ine Active Plane of Movement ey fC Ye C xz Set Charge Pump to 5K hz Laser Strdby Use OUTPUT 20 as Dwell Trigger T No FRO on Queue Fgm End or M30 or
9. onfiguration Ports amp Pins x Port Setup and Axis Selection Motor Outputs Dinput Signals Output Signals Encoder MPG s Spindle Setup Mill Options Signal Enabled e Step Pine Dir Pin Dir LowAc Step Low Step Port Dir Port X Axis uf 2 3 af 1 1 Y Axis f 4 3 af af 1 1 Z Axis of 6 7 ar ar 1 1 A Axis uf 8 9 af 1 1 B Axis ue 0 0 af ar 0 0 C Axis 0 0 ar ar 0 0 Spindle af 0 0 ef xg 0 0 Figure 3 Mach3 step dir configuration for 4 axes www granitedevices fi 4 9 2009 03 24 VSDEPI VSD E Parallel Interface breakout board Manual Ver 1 05 Engine Configuration Ports amp Pins i ili in ll i l l Figure 4 Mach3 input pin settings for home switches and E stop or drive fault Note that home switch inputs can also be configured differently for different kind of setups for example use as limit switches www granitedevices fi 5 9 2009 03 24 VSDEPI VSD E Parallel Interface breakout board Manual Ver 1 05 Engine Configuration Ports amp Pins Engine Configuration Ports amp Pins Figure 5 Mach3 output pin settings Enable amp chargepump signals www granitedevices fi 6 9 2009 03 24 GRANITE VSDEPI VSD E Parallel Interface breakout board DEVICES Manual Ver 1 05 SmoothStepper settings Ensure that noise filter settings are correct You may adjust frequencies to match your motor resolution amp speed Note there is bug in SS plugin charge
10. pump support See troubleshooting OK Contro ELE The Controller Frequency controls how many ikiz H times per second the velocity is updated Port 2 Pins 2 through 9 Direction In z when outputting pulses This setting has tradeoffs At higher frequencies the motion should be smoother because there are more veleocity updates per second But at higher frequencies the negative aspects indude lower resolution probably Noise Filtering a minor point a smaller data buffer and more demands on USB bandwidth At 250 Hz up to 4seconds of data can be queued up Each doubling of frequency halves Noise Filtering of inputs the buffer length so at 500 Hz 2 seconds can be buffered 1 kHz 1 second etc An input must be stable for the specified amount of time in microseconds before it will be considered Max Step Frequency Set the maximum step frequency to the valid value that is greater than the maximum step X axis 256 kHz frequency for each axis Setting this higher than it needs to be will 356 kHz i limit resolution For example if the real max oo step rate is 500 kHz and you set the Max l Step Frequency to 1 MHz then full scale will Z axis 256 kHz z be 1 MHz but the plugin will never send a velocity command to the SmoothStepper A anis 256 kHz greater than 1 2 of full scale thus losing one bit of resolution B axis 256 kHz The Setting for Spindle is not the same Resolution is fix
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