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National Instruments UMI-7774 User Manual Download Page 10

Chapter 1

Introduction

©

 National Instruments Corporation

1-3

National Instruments UMI-7774/7772 User Manual

•

Optical isolation on inhibit signals, Global Stop inputs, triggers, 
limits, home and digital I/O. This feature enables 24 VDC signaling 
capability. Also, the isolation can help break ground loops in the 
system and reduce the effects of noise and voltage transients.

•

Global and per-axis status LEDs

•

Capability to interface with low-cost third-party brushless motor 
drives that do not provide sinusoidal commutation

•

Access to eight digital inputs and eight digital outputs

•

Panel, DIN rail, or rack mountable

Summary of Contents for UMI-7774

Page 1: ...Motion Control National Instruments Universal Motion Interface UMI 7774 7772 User Manual National Instruments UMI 7774 7772 User Manual June 2004 Edition Part Number 373359B 01...

Page 2: ...741 31 30 Greece 30 2 10 42 96 427 India 91 80 51190000 Israel 972 0 3 6393737 Italy 39 02 413091 Japan 81 3 5472 2970 Korea 82 02 3451 3400 Malaysia 603 9131 0918 Mexico 001 800 010 0793 Netherlands...

Page 3: ...ts installation operation or maintenance instructions owner s modification of the product owner s abuse misuse or negligent acts and power failure or surges fire flood accident actions of third partie...

Page 4: ...nt of Communications DOC Changes or modifications not expressly approved by NI could void the user s authority to operate the equipment under the FCC Rules Class A Federal Communications Commission Th...

Page 5: ...2 6 Mounting the UMI 7774 7772 on a DIN Rail 2 7 Mounting the UMI 7774 7772 on a Panel 2 9 Mounting the UMI 7774 7772 in a Standard 19 in Rack 2 12 Chapter 3 Connecting the UMI 7774 7772 to Drives and...

Page 6: ...all Effect Sensors for Sinusoidal Commutation Configuration 3 22 Global Stop 3 23 Inhibit All 3 23 Shutdown 3 24 Analog Input 3 24 Trigger Breakpoint 3 25 Trigger 3 25 Breakpoint 3 26 General Purpose...

Page 7: ...f precautions to take to avoid injury data loss or a system crash bold Bold text denotes items that you must select or click in the software such as menu items and dialog box options Bold text also de...

Page 8: ...ives amplifiers and or feedback and digital I O to National Instruments motion controllers The UMI 7772 is a two axis version of the UMI 7774 All illustrations information and specifications in this m...

Page 9: ...the host computer is shut down or the motion input output interface cable is disconnected The UMI 7774 7772 includes the following features D SUB connectivity which provides easy and durable connecti...

Page 10: ...his feature enables 24 VDC signaling capability Also the isolation can help break ground loops in the system and reduce the effects of noise and voltage transients Global and per axis status LEDs Capa...

Page 11: ...ments National Instruments 73xx series motion controller and associated documentation One of the following National Instruments SHC68 C68 S cables for connecting a motion controller to the UMI 7774 77...

Page 12: ...SUB connectors to third party drives and feedback devices Before Getting Started This section provides information about noise considerations and safety guidelines as well as instructions for unpackin...

Page 13: ...n when the equipment is turned off To avoid a shock hazard do not perform procedures involving cover or shield removal unless you are qualified to do so Disconnect all field power prior to removing co...

Page 14: ...nection to or disconnection from the device Operate this device only at or below the installation category1 marked on the hardware label Measurement circuits are subjected to working voltages2 and tra...

Page 15: ...ary motors with permanent connections to fixed installations Installation Category IV is for measurements performed at the primary electrical supply installation 1 000 V Examples include electricity m...

Page 16: ...ial number after you have mounted the UMI 7774 7772 Caution When you mount the UMI 7774 7772 and connect cables to it allow 51 76 mm 2 3 in of space between each side of the device and any other surfa...

Page 17: ...number 778710 01 from National Instruments Complete the following steps to mount the UMI 7774 7772 on a DIN rail Caution To prevent damage to the UMI 7774 7772 do not use screws longer than 25 in to f...

Page 18: ...o the deeper opening of the DIN rail clip as shown in Figure 2 4 3 Press down firmly on the UMI 7774 7772 to compress the spring until the clip locks in place on the DIN rail Figure 2 4 One Edge of DI...

Page 19: ...kit Caution Do not use screws longer than 25 in to fasten the panel mount accessory brackets to the UMI 7774 7772 1 Fasten the two brackets of the panel mount kit to the back of the UMI 7774 7772 usin...

Page 20: ...2 6 Fastening the Vertical Panel Mount Brackets to the UMI 7774 7772 2 Attach the panel mount accessory to a panel using 8 32 or M4 screws Note The external dimensions for the UMI 7772 are the same as...

Page 21: ...Dimensions Caution Disconnect power before removing the UMI 7774 7772 from the panel 11 000 279 4 FAULT FWD HOME REV FAULT FWD HOME REV FAULT FWD HOME REV FAULT FWD HOME REV LIMIT LED FAULT ENABLE LIM...

Page 22: ...778712 01 from National Instruments Complete the following steps to install the rack mount kit 1 Fasten the rack mount bracket to the back of the UMI 7774 7772 using the captive screws on the bracket...

Page 23: ...hird party drives sensors and field I O to the UMI 7774 7772 This chapter also describes the polarity settings and LED indicators on the UMI 7774 7772 Figure 3 1 and Figure 3 2 show the UMI 7774 and U...

Page 24: ...struments Motion Controllers To connect the UMI 7774 7772 to a National Instruments motion controller connect one end of the SHC68 C68 S cable to the 68 pin motion I O connector on the motion controll...

Page 25: ...nstruments SSR Series backplanes for use with other National Instruments devices such as DAQ devices In this case you do not typically connect anything to the UMI 7774 7772 digital I O connector 1 NI...

Page 26: ...er inputs General purpose digital inputs Also the source must be able to provide at least 7 2 mA to turn on the optical isolator and result in an ON condition When the applied voltage is below 2 V the...

Page 27: ...he UMI 7774 7772 2 If you use a separate power supply connect the positive lead of the 5 30 VDC supply to the Viso terminal and the negative lead to the Ciso terminal on the UMI 7774 7772 3 If you do...

Page 28: ...ower connector Table 3 1 shows the power connector terminal block pinout Note When the drive enable output and digital output signals are in an ON state they provide the isolated power connected on Vi...

Page 29: ...and Polarity Switches Axis 1 Shown as Example Table 3 2 Per Axis Control Connector Pin Assignment Pin Signal Optically Isolated 1 Analog Output No 2 NC No 3 5 V Output No 4 Step CW No 5 NC No 6 Enable...

Page 30: ...A pass through signal provides passive filtering on the signals which does not affect the voltage range or current handling capability of the signals Step CW and Dir CCW The UMI 7774 7772 Step CW and...

Page 31: ...n Ciso signals provided on the control connector are used to power the external devices Use a manual operator switch to handle disabling an axis Refer to Figure 3 8 and Figure 3 9 for examples of wiri...

Page 32: ...3 10 ni com Figure 3 7 Example of Wiring a Sinking Output Device to the Fault Input Figure 3 8 Example of Wiring a High Side Switch to the Fault Input Current Limiter NPN Sinking Output Device Fault F...

Page 33: ...oller Shutdown if enabled on the controller Refer to the Global Stop section for information about the Inhibit All and Shutdown signals The host bus interlock is a safety feature that is not user conf...

Page 34: ...The maximum output current when Viso is 24 V is 150 mA The maximum output current when Viso is 5 V is 60 mA The output voltage is within 1 2 V of the voltage provided on the Viso power supply Refer t...

Page 35: ...Refer to Figure 3 5 for the locations of these LEDs Sinusoidal Commutation Configuration The control connectors for axes 1 and 2 of the UMI 7774 7772 have additional analog output signal connections...

Page 36: ...edback Connector Refer to Figure 3 12 for a diagram that demonstrates this configuration Figure 3 12 Sinusoidal Commutation Wiring Diagram You must connect the digital I O cable from your National Ins...

Page 37: ...of Hall effect sensors for one brushless motor and the axis 2 feedback connector to the set of Hall effect sensors for another brushless motor All of the Hall effect sensor signals are pass through si...

Page 38: ...sensors for brushless motors Figure 3 5 shows the pin locations of the feedback connector for each axis Table 3 5 shows the corresponding signals for each pin Note The Hall sensors are available only...

Page 39: ...No 2 Encoder Phase B No 3 Encoder Index No 4 5 V Output No 5 Hall Sensor A No 6 Hall Sensor B No 7 Hall Sensor C No 8 5 V Output No 9 NC No 10 Forward Limit Yes 11 Home Input Yes 12 Reverse Limit Yes...

Page 40: ...s are converted to single ended signals by a differential to single ended converter on the UMI 7774 7772 and are then passed through to the National Instruments motion controller You can accommodate e...

Page 41: ...reverse counter clockwise CCW facing motor shaft Caution Using an unshielded cable allows noise to corrupt the encoder signals which could result in lost counts reduced accuracy and other erroneous e...

Page 42: ...or forward limit reverse limit and home sensors or switches The limit sensors or switches are typically located at physical ends of travel The home sensor or switch can be located at any reference pos...

Page 43: ...ome Status Indicators The UMI 7774 7772 has yellow status LEDs for the forward limit reverse limit and home input signals Refer to Figure 3 5 for the location of these LEDs You can configure the limit...

Page 44: ...National Instruments motion controller that provides the sinusoidal commutation When you set up the UMI 7774 7772 for sinusoidal commutation you connect the axis 1 feedback connector to the set of Ha...

Page 45: ...onnector includes the Inhibit All input and the Shutdown input signals Both signals are optically isolated sinking inputs Inhibit All The Inhibit All signal acts as a global inhibit and when asserted...

Page 46: ...input You can wire the Shutdown and Inhibit All inputs to a sourcing output device such as a PNP sensor as shown in Figure 3 16 You can use the isolated power Viso and isolated common Ciso signals on...

Page 47: ...our trigger inputs and four breakpoint outputs Trigger The UMI 7774 7772 provides optical isolation on the trigger inputs You can use the isolated power output and isolated common on the connector to...

Page 48: ...sponding signals for each pin Refer to the appropriate National Instruments motion controller documentation for information about trigger inputs and breakpoint outputs Refer to the Voltage Considerati...

Page 49: ...on controller Port 1 bits 0 7 become sinking inputs on the UMI 7774 7772 and the 8 bits from the second port of the motion controller Port 2 bits 0 7 become sourcing outputs on the UMI 7774 7772 Refer...

Page 50: ...when Viso is 24 V is 150 mA The maximum output current when Viso is 5 V is 60 mA The output voltage is within 1 2 V of the voltage provided on the Viso power supply Refer to Figure 3 18 for an illust...

Page 51: ...Connection to an External Load Connecting Switches to UMI 7774 7772 Sinking Inputs Figure 3 19 shows an example of connecting a physical switch to a general purpose Digital Input on the UMI 7774 7772...

Page 52: ...es at the inductive load by installing a flyback diode across the load Typically you mount the flyback diode as close to the load as possible Use this protection method if you connect any of the Enabl...

Page 53: ...tup and tuning In torque mode only the current loop is closed on the drive Both the position and velocity loops are closed on the motion controller using encoder feedback When you use torque mode you...

Page 54: ...tion advisors to access the National Instruments Motion Advisors The Stage Advisor shows specific motorized stage and drive combinations The NI Motion Controller and Drive Advisor shows the appropriat...

Page 55: ...signals but the passive filtering does not affect the voltage range or current handling capability Consult the motion controller specifications to determine the allowable voltage range and logic level...

Page 56: ...inking Input voltage range 0 to 30 V Input ON voltage 3 5 to 30 V Input OFF voltage 0 to 2 V Turn on current 14 mA maximum current limited 3 mA minimum current limited Maximum pulse rate 1 MHz Minimum...

Page 57: ...tput voltage range 5 to 30 V Output current 5 Viso 60 mA maximum 24 Viso 150 mA maximum 30 Viso 160 mA maximum Maximum pulse rate 10 KHz Minimum pulse generated 100 s Maximum on state voltage drop 1 2...

Page 58: ...to 80 C Humidity 10 to 90 RH noncondensing Maximum altitude 2 000 m Pollution Degree 2 Shock and Vibration Operating shock IEC 60068 2 27 Panel mount 30 g 11 ms half sine 3 shocks Operating vibration...

Page 59: ...ve 1 GHz Immunity EN 61326 1997 A1 2001 Table 1 CE C Tick and FCC Part 15 Class A Compliant Note For EMC compliance operate this device with shielded cabling CE Compliance This product meets the essen...

Page 60: ...com exchange National Instruments Application Engineers make sure every question receives an answer Training and Certification Visit ni com training for self paced training eLearning virtual classroom...

Page 61: ...answers you need contact your local office or NI corporate headquarters Phone numbers for our worldwide offices are listed at the front of this manual You also can visit the Worldwide Offices section...

Page 62: ...Conformity NI resources B 1 diagnostic tools NI resources B 1 DIN rail mounting 2 7 DISABLED LED 3 13 documentation conventions used in manual vii NI resources B 1 related documentation vii drivers NI...

Page 63: ...s through signaling 3 20 power input terminal block 3 6 power status indicators 3 6 programming examples NI resources B 1 R related documentation vii required materials 2 1 S safety guidelines 2 2 ser...

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