National Instruments 7604 - Manual

Page 2 - Compliance; FCC/Canada Radio Frequency Interference Compliance*; Determining FCC Class; Class A; Class B; Federal Communications Commission

MID-7604/7602 Power Drive 2 ni.com Technical Support Resources ..................................................................31 NI Web Support................................................................................31Worldwide Support .........................................................

Page 3 - Canadian Department of Communications; European Union - Compliance to EU Directives; Conventions; This guide uses the following conventions:; bold; italic

© National Instruments Corporation 3 MID-7604/7602 Power Drive • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Canadian Department of Communications This Class B digital a...

Page 5 - Specifications; Safety Information; Caution

© National Instruments Corporation 5 MID-7604/7602 Power Drive ❑ One of the following shielded cable assemblies, as applicable: – SH68-C68-S (part number 186381-02) – SHC68-C68-S (part number 186380-02) Detailed specifications for the MID-7604/7602 are in the Specifications section in this guide. Sa...

Page 7 - Warning; Front Panel Switches; Note

© National Instruments Corporation 7 MID-7604/7602 Power Drive The following is a diagram of a sample installation. Warning The stepper motor connectors on this drive are energized when the unit is powered on. Disconnect the MID-7604/7602 unit from the power outlet before connecting wires to or disc...

Page 8 - Back Panel Connector Wiring

MID-7604/7602 Power Drive 8 ni.com The two rocker switches on the MID-7604/7602 front panel are theAC POWER and ENABLE. Figure 1 shows the location of these switches. The AC POWER switch energizes the motor bus (+24 V) and the logic(+5 V) power supplies. When switched on, the green power LED labeled...

Page 9 - LINE VOLTAGE SELECT; Host Bus Interlock Circuit

© National Instruments Corporation 9 MID-7604/7602 Power Drive Caution Be sure to turn off the ENABLE switch and the main AC power to your MID-7604/7602 and host computer before connecting the accessory to your motion controller. Warning The stepper motor connectors on this drive are energized when ...

Page 10 - ENABLE; switch on the front panel is in the inhibit position, if the; Limit Status LEDs; Front Panel DIP Switch; Status

MID-7604/7602 Power Drive 10 ni.com If the DC power supplies are active, the green power LED illuminates.If this LED fails to illuminate, check the power cord and the main inputfuse on the front panel. The LED status array is arranged by motor axes. Each of the four columnsrepresents an axis, and ea...

Page 11 - Front Panel DIP Switch Settings

© National Instruments Corporation 11 MID-7604/7602 Power Drive Front Panel DIP Switch Settings The MID-7604/7602 front panel has a detachable metal plate that whenremoved provides access to four 10-position DIP switch banks. Refer toFigure 1 for the location of these switches. Use the first nine DI...

Page 12 - Microstepping Selection; Binary Selections

MID-7604/7602 Power Drive 12 ni.com Microstepping Selection The MID-7604/7602 uses bipolar chopper, two-phase microsteppingdrivers with a broad range of microstep rates. The factory default settingis 10-times microstepping (2,000 steps/rev with standard 1.8º steppermotors). Table 2 shows the DIP swi...

Page 13 - Output Current Settings; Switch

© National Instruments Corporation 13 MID-7604/7602 Power Drive Output Current Settings The MID-7604/7602 can provide 0.20–1.4 A peak (0.14–1 A RMS),depending on the peak output current DIP switch settings for each axis.DIP switches 1 through 4 control the peak output current. Table 3 shows theDIP s...

Page 14 - Table 4 shows the available settings for DIP switch 5.; Switch Setting; Current reduction enabled

MID-7604/7602 Power Drive 14 ni.com To determine the maximum total power dissipation of all of the motorscombined, add up the maximum power each motor can dissipate. If thisvalue is less than or equal to 80 W continuous, you will not exceed thecapabilities of the MID-7604/7602. If the value is great...

Page 15 - Inhibit Input Polarity Setting; Axis 1 Switch Setting; Axis 2 Switch Setting

© National Instruments Corporation 15 MID-7604/7602 Power Drive Inhibit Input Polarity Setting The MID-7604/7602 has a DIP switch that globally sets the polarity for theinhibit input for all axes. DIP switch 10 on the axis 1 DIP switch bankcontrols this setting. Refer to Figures 1 and 3 for the loca...

Page 16 - Motor Power Terminal Blocks

MID-7604/7602 Power Drive 16 ni.com Back Panel Connector Wiring Motor Power Terminal Blocks Each axis on the MID-7604/7602 has a separate 5-position removablescrew terminal block for motor power wiring. Figure 4 shows a typicalstepper motor configuration pin assignment. Note The dotted loop indicate...

Page 17 - Encoder Terminal Blocks; pullup resistors to

© National Instruments Corporation 17 MID-7604/7602 Power Drive Caution Never connect unused center taps or winding terminals to pin 3 (ground) or to each other. Encoder Terminal Blocks For quadrature incremental encoder signals, each MID-7604/7602 axis hasa separate 8-position removable screw termi...

Page 19 - Figure 8 shows clockwise and counter-clockwise motor rotation.

© National Instruments Corporation 19 MID-7604/7602 Power Drive Figure 8 shows clockwise and counter-clockwise motor rotation. Figure 8. Clockwise and Counter-Clockwise Motor Rotation When connecting the encoder wiring to your MID-7604/7602, use shieldedwire of at least 24 AWG. Analog noise filters ...

Page 20 - Limit Switch Terminal Blocks; Breakpoint and Trigger Terminal Blocks

MID-7604/7602 Power Drive 20 ni.com Limit Switch Terminal Blocks For end-of-travel limit, home, inhibit input, and inhibit output connections,MID-7604/7602 axes have a separate, 6-position removable screw terminalconnector block. Figure 10 shows the limit switch terminal block pinassignments. Figure...

Page 21 - Analog I/O Terminal Blocks

© National Instruments Corporation 21 MID-7604/7602 Power Drive Figure 11. Trigger Terminal Block Pin Assignment Figure 12. Breakpoint Terminal Block Pin Assignment Analog I/O Terminal Blocks The MID-7604/7602 has two analog I/O connectors. The analog inputconnector uses a 6-pin removable terminal b...

Page 22 - Accessories for Optional Use

MID-7604/7602 Power Drive 22 ni.com Accessories for Optional Use Strain-Relief Bar The strain-relief bar provides strain relief for wiring to the back panelterminals of the MID-7604/7602. The arms of the strain-relief bar attach to the sides of the MID-7604/7602with the thumb nuts facing upward, as ...

Page 23 - Amplifier/Driver Command Signals; Independent CW and CCW pulses

© National Instruments Corporation 23 MID-7604/7602 Power Drive Panel-Mount Kit (Included) The panel-mount kit allows you to mount the MID-7604/7602 inside acabinet or enclosure. Using the provided screws, attach the panel-mount kitto the rear and front set of screw holes on the side panels of theMI...

Page 24 - Stepper Motor Configurations

MID-7604/7602 Power Drive 24 ni.com Stepper Motor Configurations This section describes the various industry-standard windingconfigurations for stepper motors and shows how to connect them to aMID-7604/7602. The MID-7604/7602 is compatible with allconfigurations of two-phase stepper motors. Note The...

Page 26 - Figure 21 shows the wiring for a typical 4-wire motor.

MID-7604/7602 Power Drive 26 ni.com Notice that an 8-wire motor wired in series is virtually identical to a 6-wiremotor and typically has the same high-torque but low-speed characteristics.While a parallel configuration is not possible with a 6-wire motor, you canusually obtain high-speed performanc...

Page 27 - Stepper Amplifiers; bipolar chopper; Encoder Interface

© National Instruments Corporation 27 MID-7604/7602 Power Drive Specifications The following specifications apply only to the MID-7604/7602. To obtaina system specification, you must account for your motion controller. Referto your controller specifications to determine overall system specifications...

Page 29 - VHDCI type; Power Supply; Input fuse; Host Bus Voltage Interlock

© National Instruments Corporation 29 MID-7604/7602 Power Drive Breakpoints ............................................ 6-position mini-combicon 3.81 mm plug (1 total) Triggers .................................................. 6-position mini-combicon 3.81 mm plug (1 total) Analog input..............

Page 30 - FCC Part 15A above 1 GHz; Safety; UL Recognized to UL 508C, power conversion equipment, File # E208822

MID-7604/7602 Power Drive 30 ni.com Environment Operating temperature ............................ 0 to 40 ºC (32 to 104 ºF) Storage temperature ................................–20 to 70 ºC (–4 to 158 ºF) Humidity .................................................10 to 90% RH, noncondensing Maximum a...

Page 31 - Technical Support Resources; NI Web Support; . Branch office Web sites provide

© National Instruments Corporation 31 MID-7604/7602 Power Drive Technical Support Resources NI Web Support National Instruments Web support is your first stop for help in solvinginstallation, configuration, and application problems and questions.Online problem-solving and diagnostic resources includ...

National Instruments 7604 - Manual

Table of Contents:

Summary

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