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FlexMotion 

 and ValueMotion 

 are trademarks of National Instruments Corporation. Product and company names mentioned herein are 

trademarks or trade names of their respective companies.

321941B-01

©

 Copyright 1998, 1999 National Instruments Corp. All rights reserved.

August 1999

USER GUIDE

U

NIVERSAL

 M

OTION

 I

NTERFACE

 (UMI) A

CCESSORY

This user guide describes how to use the UMI-7764, UMI-4A, UMI-Flex6, 
and UMI-Flex4 accessories.

Contents

Introduction ............................................................................................. 2
What You Need to Get Started ............................................................... 2
UMI-7764................................................................................................ 4

Motion I/O Terminal Block ............................................................. 5
Amplifier/Driver Terminal Block .................................................... 5
Encoder Terminal Block .................................................................. 6
Limit Switch Terminal Block .......................................................... 8
Analog Input Terminal Block .......................................................... 9
Breakpoint Output/Trigger Input Terminal Block........................... 9
Shutdown/Inhibit All Terminal Block ............................................. 10
Power Input Terminal Block............................................................ 10

UMI-7764 Specifications ........................................................................ 11
UMI-4A................................................................................................... 13

Amplifier/Driver Terminal Block .................................................... 13
Encoder Terminal Block .................................................................. 15
Limit Switch Terminal Block .......................................................... 16
Digital I/O Terminal Blocks ............................................................ 17
Power Input Terminal Block............................................................ 18

UMI-4A Specifications ........................................................................... 19
UMI-Flex6 .............................................................................................. 21

Amplifier/Driver Terminal Block .................................................... 21
Encoder Terminal Block .................................................................. 22
Limit Switch Terminal Block .......................................................... 24
Analog Input Terminal Blocks ........................................................ 25
Breakpoint Output Terminal Block ................................................. 26
Power Input Terminal Block............................................................ 26

UMI-Flex6 Specifications....................................................................... 27
UMI-Flex4 .............................................................................................. 28

Amplifier/Driver Terminal Block .................................................... 28
Encoder Terminal Block .................................................................. 30
Limit Switch Terminal Block .......................................................... 32
Analog Input Terminal Block .......................................................... 32
Breakpoint Output Terminal Block ................................................. 33
Power Input Terminal Block............................................................ 33

UMI-Flex4 Specifications....................................................................... 34

Summary of Contents for UMI-7764

Page 1: ... Terminal Block 9 Breakpoint Output Trigger Input Terminal Block 9 Shutdown Inhibit All Terminal Block 10 Power Input Terminal Block 10 UMI 7764 Specifications 11 UMI 4A 13 Amplifier Driver Terminal Block 13 Encoder Terminal Block 15 Limit Switch Terminal Block 16 Digital I O Terminal Blocks 17 Power Input Terminal Block 18 UMI 4A Specifications 19 UMI Flex6 21 Amplifier Driver Terminal Block 21 E...

Page 2: ...cessory connects to the motion controller via a single interface cable The UMI accessory has a host bus monitor power interlock that automatically disables the amplifiers if the host computer is shut down or the interface cable is disconnected The UMI 4A and UMI Flex4 come with an integrated DIN rail mounting base The UMI Flex6 is encased in metal and comes with attached rubber feet for desktop us...

Page 3: ...r supply UMI Flex4 and UMI Flex6 only Detailed specifications for each of the UMI accessories are in the Specifications section for each device UMI Accessory Cable Motion Controller UMI 7764 SH68 C68 S All 7344 controllers PCI 7324 PCI 7314 UMI 7764 SH68 68 S PXI 7324 PXI 7314 UMI 4A SH50 50 NB1 50 pin ValueMotion controllers UMI Flex6 UMI Flex4 SH Flex 100 100 pin FlexMotion controllers ...

Page 4: ...ts Locator Diagram 1 Axis 1 Motion I O Terminal Block 2 Axis 3 Motion I O Terminal Block 3 Axis 2 Motion I O Terminal Block 4 Axis 4 Motion I O Terminal Block 5 Power Input Terminal Block 6 Shutdown Inhibit All Terminal Block 7 Inhibit Output Polarity Switch S1 8 Inhibit Input Polarity Switch S2 9 Analog Input Terminal Block 10 68 Pin Motion I O Connector 11 Breakpoint Trigger Terminal Block 1 11 ...

Page 5: ... Driver Terminal Block Each UMI 7764 axis motion I O terminal block has five terminals for amplifier driver connections Refer to Figures 1 and 2 to locate the amplifier driver terminals on your UMI 7764 accessory Figure 3 shows the UMI 7764 amplifier driver terminal block pin assignment for the servo stepper axes Forward Limit Home Input Reverse Limit Inhibit Input Digital Ground Analog Output Ana...

Page 6: ...the Inhibit Input signal or the controller Inhibit Output signal for that axis is asserted the Inhibit Output from the UMI 7764 for that axis is asserted You can configure the axis Inhibit Out signal as active low or active high output using switch S1 Setting S1 to the bottom configures the signal as active low setting S1 to the top configures the signal as active high Note You must configure the ...

Page 7: ...d Encoder Wiring The UMI 7764 accessory allows for differential inputs for Phase A Phase B and Index signals You can easily accommodate encoders with phase relationships different from Figure 6 by swapping the signals as required by the specific application The Index pulse must occur when both Phase A and Phase B signals are logic low as shown in Figure 6 Servo and closed loop stepper applications...

Page 8: ...ock Each UMI 7764 axis motion I O terminal block has five terminals for Forward and Reverse Limit and Home Input switch connections Refer to Figures 1 and 2 to help you locate the limit switch terminals on your UMI 7764 accessory See Figure 7 for the UMI 7764 limit switch terminal block pinout Figure 7 UMI 7764 Limit Switch Terminal Block Pin Assignment You can configure the axis Inhibit Input sig...

Page 9: ...er Input Terminal Block For breakpoint output and trigger input wiring the UMI 7764 has a 10 position terminal block This terminal block provides access to the four breakpoint outputs and the four trigger inputs Refer to Figure 1 to help you locate the breakpoint output trigger input terminal block on your UMI 7764 accessory See Figure 9 for more information on breakpoint output and trigger input ...

Page 10: ...includes a 3 3 kΩ pull up resistor on its input The Shutdown signal is passed through to the motion controller and is typically used to disable the controller Power Input Terminal Block The UMI 7764 has a 2 position terminal block for wiring power to the unit Refer to Figure 1 to help you locate the power input terminal block on your UMI 7764 accessory Figure 11 shows the 2 position terminal block...

Page 11: ...ller specifications to determine the allowable voltage range and logic level compatibility of the signal These specifications are typical at 25 C unless otherwise specified Refer to your motion controller user manual for detailed specifications on encoder inputs limit and home switch inputs breakpoint outputs trigger inputs and analog inputs Encoder Interface Each Axis Inputs Quadrature incrementa...

Page 12: ...e constant 10 µs Compatibility Signal pass through Axis Inhibit Out Voltage range 0 to 5 VDC Output low voltage 0 5 V at 16 mA Output high voltage 2 4 V at 3 2 mA Operating Environment Temperature 0 to 55 C Storage temperature 20 to 70 C Relative humidity 10 to 90 noncondensing Power Requirements 5 VDC 0 2 amps user defined encoder and limit power Host Bus Voltage Interlock Voltage 5 VDC 5 Physica...

Page 13: ...nt for the UMI 4A amplifier driver used with a servo board Figure 13 UMI 4A Amplifier Driver with Servo Terminal Block Pin Assignment Amplifier Connectors 1 Axis 1 J13 2 Axis 2 J14 3 Axis 3 J15 4 Axis 4 J16 Encoder Connectors 5 Axis 1 J2 6 Axis 2 J4 7 Axis 3 J6 8 Axis 4 J8 Limits Connectors 9 Axis 1 J3 10 Axis 2 J5 11 Axis 3 J7 12 Axis 4 J9 Other Connectors 13 I O Bits 1 4 J10 I O Bits 5 8 J11 14 ...

Page 14: ...k Pin Assignment The Step and Dir signals are used as command outputs to a stepper driver The Inhibit Output signals are used to disable the driver for that axis The UMI accessory combines the host bus interlock circuit the Enable Input signals and the per axis controller Inhibit Output to create the per axis Inhibit Output signal If the voltage drops to the host bus interlock circuit if both Enab...

Page 15: ...ter than 10 feet Power for the encoders is internally routed from the power input terminal block and is available on pin 7 5 V You must supply a 5 V source to the power input terminal block for proper operation Refer to Figure 12 to help you locate the encoder terminal blocks on your UMI 4A accessory Figure 16 shows the wiring for the differential encoder Note The dotted loop indicates a shielded ...

Page 16: ...ters You must use cables with twisted pairs and an overall shield for improved noise immunity When connecting the encoder to the UMI 4A you should use at least 24 AWG wire Caution Using an unshielded cable allows noise to corrupt the encoder signals which results in lost counts reduced accuracy and other erroneous encoder and controller operations Limit Switch Terminal Block For forward and revers...

Page 17: ... output signal available on each per axis driver amplifier terminal block the enable input on J10 or J11 must be connected to the common ground signal to enable the driver amplifier Note You do not need to duplicate the switch on both J10 and J11 use only one or the other for the Enable Input Figure 20 Using Available Pins On J10 and J11 Caution If you connect the enable input to the common signal...

Page 18: ...essory you must supply a 5 V source to the power input terminal block Note The auxiliary VDC input on the power input terminal block is optional and is redistributed to other terminal blocks as an output power source N C I O Bit 1 I O Bit 2 I O Bit 3 I O Bit 4 I O Bit 5 I O Bit 6 I O Bit 7 I O Bit 8 N C N C N C N C N C N C N C N C Digital Ground Digital Ground Digital Ground Digital Ground Digital...

Page 19: ...specifications to determine the allowable voltage range and logic level compatibility of the signal These specifications are typical at 25 C unless otherwise specified Refer to your motion controller user manual for detailed specifications on encoder inputs limit and home switch inputs breakpoint outputs trigger inputs and analog inputs Encoder Interface Each Axis Inputs Quadrature incremental Dif...

Page 20: ...o 55 C Storage temperature 20 to 70 C Relative humidity 10 to 90 noncondensing Power Requirements 5 VDC 0 2 A user defined encoder power Aux VDC User defined limit switch power Host Bus Voltage Interlock Voltage 5 VDC 5 Physical Dimensions 23 62 by 10 03 cm 9 3 by 3 95 in Universal DIN rail base supplied ...

Page 21: ...erminal block pin assignment for the servo and combined servo stepper axes The 5 position UMI Flex6 terminal block supports the servo axes and the 7 position terminal block adds stepper support Amplifier Connectors 1 Axis 1 J18 2 Axis 2 J19 3 Axis 3 J20 4 Axis 4 J21 5 Axis 5 J22 6 Axis 6 J23 Encoder Connectors 7 Axis 1 J2 8 Axis 2 J4 9 Axis 3 J6 10 Axis 4 J8 11 Axis 5 J10 12 Axis 6 J12 Limits Conn...

Page 22: ... the Inhibit Output for that axis is asserted You can configure the Axis Inhibit Out signal as active low or active high outputs using switch SW2 Setting SW2 to the right configures the signal as active low setting SW2 to the left configures the signal as active high Note You must configure the controller s Inhibit Output signals as active low for proper operation of the inhibit circuitry Encoder ...

Page 23: ...essory allows for differential inputs for Phase A Phase B and Index signals You can easily accommodate encoders with phase relationships different from Figure 27 by swapping the signals as required by the specific application The Index pulse must occur when both Phase A and Phase B signals are logic low as shown in Figure 27 Servo and closed loop stepper applications require encoder feedback and c...

Page 24: ... and other erroneous encoder and controller operations Limit Switch Terminal Block For Forward and Reverse Limit and Home Input switch connections each UMI Flex6 axis has a separate 6 position terminal block All limit and home switch inputs are connected to the Opto coupled inputs on the FlexMotion board Refer to Figure 23 to help you locate the limit switch terminal block on your UMI Flex6 access...

Page 25: ...eight analog input channels on the FlexMotion boards Refer to Figure 23 to help you locate the analog input terminal blocks on your UMI Flex6 accessory See Figures 29 and 30 for analog input terminal block pinout information Figure 29 UMI Flex6 Analog Input Channels 1 through 4 Figure 30 UMI Flex6 Analog Input Channels 5 through 8 Table 1 Inhibit Input Configuration SW1 SW3 Inhibit Input Configura...

Page 26: ...otion board for this setting prior to connecting the external source Caution Failure to configure the board properly for an external power source may damage your UMI and FlexMotion board Power Input Terminal Block The UMI Flex6 has a 4 position terminal block for wiring power to the unit Refer to Figure 23 to help you locate the power input terminal block on your UMI Flex6 accessory Figure 32 show...

Page 27: ...ise specified Refer to your motion controller user manual for detailed specifications on encoder inputs limit and home switch inputs high speed inputs breakpoint outputs and analog inputs Axis Inhibit Out Voltage range 0 to 5 VDC Output current 16 mA sink max Operating Environment Temperature 0 to 55 C Storage temperature 20 to 70 C Relative humidity 10 to 90 noncondensing Power Requirements 5 VDC...

Page 28: ...l block item 3 in Figure 33 is jumper configurable to support servo axes 3 and 5 and stepper axis 5 The fourth terminal block item 4 in Figure 33 is jumper configurable to support servo axes 4 and 6 and stepper axis 6 See Figure 35 for more information on configuring these jumpers Amplifier Connectors 1 Axis 1 J13 2 Axis 2 J14 3 Axis 3 J15 4 Axis 4 J16 Encoder Connectors 5 Axis 1 J2 6 Axis 2 J4 7 ...

Page 29: ...n from the motion controller to verify that the controller is powered and properly connected to the UMI If the host bus interlock detects a problem or if the Inhibit Input signal or the controller Inhibit Output signal for that axis is asserted the Inhibit Output for that axis is asserted Note You must configure the controller s Inhibit Output signals as active low for proper operation of the inhi...

Page 30: ...han 10 feet Power for the encoders is internally routed from the power input terminal block and is available on pin 7 5 V You must supply a 5 V source to the power input terminal block for proper operation Refer to Figure 33 to help you locate the encoder terminal blocks on your UMI Flex4 accessory Figure 36 shows the wiring for the differential encoder Note The dotted loop indicates a shielded ca...

Page 31: ...larity between the motor and encoder for stable operation The UMI Flex4 uses the following standards for motor direction Positive forward Clockwise CW facing motor shaft Negative reverse Counter clockwise CCW facing motor shaft Figure 38 Encoder Signal Phasing CW Rotation The encoder inputs are filtered by both analog and digital noise filters You must use cables with twisted pairs and an overall ...

Page 32: ...Figure 39 UMI Flex4 Limit Switch Terminal Block Pin Assignment Analog Input Terminal Block For analog input wiring the UMI Flex4 has one 6 position terminal block The connector provides access to four of the eight analog input channels on the FlexMotion boards Refer to Figure 33 to help you locate the analog input terminal blocks on your UMI Flex4 accessory See Figure 40 for analog input terminal ...

Page 33: ...the FlexMotion board for this setting prior to connecting the external source Caution Failure to configure the board properly for an external power source may damage your UMI and FlexMotion board Power Input Terminal Block The UMI Flex4 has a 4 position terminal block for wiring power to the unit Refer to Figure 33 to help you locate the power input terminal block on your UMI Flex4 accessory Figur...

Page 34: ...to your motion controller user manual for detailed specifications on encoder inputs limit and home switch inputs high speed inputs breakpoint outputs and analog inputs Axis Inhibit Out Voltage range 0 to 5 VDC Output current 16 mA sink max Operating Environment Temperature 0 to 55 C Storage temperature 20 to 70 C Relative humidity 10 to 90 noncondensing Power Requirements 5 VDC 0 2 A user defined ...

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