National Instruments NI MID-7654 User Manual And Specifications Download

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National Instruments MID-7654 Manual

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Summary of Contents for NI MID-7654

Page 1: ...l Instruments MID 7654 Manual Get Pricing Availability at ApexWaves com Call Today 1 800 915 6216 Email sales apexwaves com https www apexwaves com modular systems national instruments motor drives MI...

Page 2: ...Inhibit Input Polarity Setting 9 Inhibit Output Polarity Setting 9 Limit Status LED Polarity Setting 9 Setting Continuous and Peak Current Limits 10 Setting Motor Inductance Levels 13 Back Panel Conne...

Page 3: ...mes and extensions overline Indicates the signal is active low Introduction The National Instruments MID 7654 7652 servo power motor drive is a complete power amplifier and system interface for use wi...

Page 4: ...ith the chassis modules accessories and cables specified in the installation instructions or specifications You must have all covers and filler panels installed during operation of the hardware Do not...

Page 5: ...for sealed components or coated PCBs Pollution Degree 2 means that only nonconductive pollution occurs in most cases Occasionally however a temporary conductivity caused by condensation must be expect...

Page 6: ...equirements there is no guarantee that interference will not occur in a particular installation To minimize the potential for the hardware to cause interference to radio and television reception or to...

Page 7: ...wer LED labeled 5 V illuminates If this LED fails to illuminate check the power cord and main input fuse on the back panel The ENABLE switch enables or inhibits the servo amplifiers If the ENABLE swit...

Page 8: ...he green power LED illuminates If this LED fails to illuminate check the power cord and the main input fuse on the front panel An LED status array of 3 rows by 4 columns on the MID 7654 or 3 rows by 2...

Page 9: ...or the location of these switches Use the DIP switches on the 4 position DIP switch bank to configure the inhibit in inhibit out and limit status LED polarity as shown in Figure 2 The different settin...

Page 10: ...tch 2 is active high Table 3 shows the DIP switch setting for the inhibit output polarity selection Limit Status LED Polarity Setting Use DIP switch 3 on the 4 position DIP switch bank to globally set...

Page 11: ...avoid overheating the drive under a motor fault condition ensure the following error limit is set above zero in the motion controller configuration software The default following error limit is 32 76...

Page 12: ...n each of the 9 position DIP switch banks to set the continuous current limit for each axis Use DIP switches 5 through 8 on each of the 9 position DIP switch banks to set the peak current limit for ea...

Page 13: ...combined add up the maximum power each motor can dissipate If this value is less than or equal to 400 W at 25 duty cycle you will not exceed the capabilities of the MID 7654 7652 If the value is great...

Page 14: ...ttings Use the last DIP switch on each of the 9 position DIP switch banks to set the motor inductance level for each axis Refer to Figures 1 and 3 for the location of the of the motor inductance level...

Page 15: ...ABLE and AC POWER switches for your MID 7654 7652 and host computer and disconnect the unit from the power outlet before making connections to your motion controller 1 Motion Controller Connector 2 An...

Page 16: ...r information on changing a fuse 3 Install the power cord into the back panel AC connector and plug it into a correctly rated power source Terminal Block Wiring This section describes how to wire the...

Page 17: ...directional polarity Figure 8 shows clockwise and counter clockwise motor rotation Figure 8 Clockwise and Counter Clockwise Motor Rotation Rear Guard The rear guard consists of the protection cover p...

Page 18: ...ard Consisting of the Protection Cover Protection Plates and Bottom Mounting Plate The rear guard installed on the MID 7654 7652 is shown in Figure 10 Figure 10 Rear Guard Installed on the MID 7654 76...

Page 19: ...off and disconnected from the power outlet 2 Ensure that the bottom mounting plate of the rear guard is securely fastened to both sides of the MID 7654 7652 as shown in Figure 10 3 Remove the protecti...

Page 20: ...he MID 7654 7652 accepts two types of encoder signal inputs single ended TTL or differential line driver You can accommodate open collector output encoders by using 2 2 k pullup resistors to 5 VDC Fig...

Page 21: ...ows the proper encoder phasing for CW forward motor rotation Figure 14 Encoder Signal Phasing CW Rotation Closed loop servo applications require consistent directional polarity between the motor and e...

Page 22: ...an axis status Refer to the Amplifier Inhibit LEDs section of this guide for a description of the conditions that will cause an axis to be inhibited Breakpoint and Trigger Terminal Blocks Both the br...

Page 23: ...gh the drive allowing you to access them through the 8 pin removable terminal block This feature is useful if your system includes both stepper and servo motors as it reduces the amount of custom cabl...

Page 24: ...ust not overlap each other as shown in Figure 22 4 All cables must be properly grounded to the strain relief bar which grounds them to the MID 7654 7652 chassis ground Follow these steps to ground the...

Page 25: ...bottom mounting plate of the rear guard with the thumb nuts facing upwards as shown in Figure 23 Refer to the Rear Guard section of this guide for more information on removing and replacing the protec...

Page 26: ...s of the bottom mounting plate Modifying the Power Entry Module This section covers replacing fuses and switching the line voltage for your drive Replacing a Fuse Follow these steps to replace a fuse...

Page 27: ...velocity loop and position loop using an enhanced PID algorithm Specifications The following specifications apply only to the MID 7654 7652 You must account for your motion controller to obtain a sys...

Page 28: ...ise filter RC time constant 10 s Compatibility Signal pass through Analog Outputs Compatibility Signal pass through Step Direction Outputs Compatibility Signal pass through Shutdown Input Compatibilit...

Page 29: ...F Storage temperature 20 to 70 C 4 to 158 F Humidity 10 to 90 RH noncondensing Maximum altitude 2 000 m Pollution Degree 2 Host Bus Voltage Interlock Undervoltage threshold 4 VDC Physical Dimensions W...

Page 30: ...for this product visit ni com certification search by module number or product line and click the appropriate link in the Certification column Environmental Management National Instruments is committe...

Page 31: ...r electromagnetic compatibility EMC and product safety You can obtain the DoC for your product by visiting ni com certification If your product supports calibration you can obtain the calibration cert...

Page 32: ...r respective companies For patents covering National Instruments products technology refer to the appropriate location Help Patents in your software the patents txt file on your media or the National...

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