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NI SMD-7611/7612 User Manual

Figure 13.

Connecting to Indexer with Differential Outputs

Enable Input

Connecting the Enable input as shown in Figure 14 causes the drive to disable when the relay is
closed and enable when the relay is open.

Figure 14.

Connecting Enable to a Switch or Relay

Connecting the Enable signal as shown in Figure 15 causes the drive to disable when the output
closes.

Figure 15.

Connecting a Second Drive to EN

Connecting the Enable signal as shown in Figure 16 causes the drive to disable when the
proximity sensor activates.

Figure 16.

Connecting an NPN Type Proximity Sensor to an Input

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Содержание SMD-7611

Страница 1: ...Block Diagram 3 Getting Started 3 Mounting the Drive 4 Connecting the Power Supply 4 Drive CE Requirements 5 Choosing a Power Supply 5 Voltage 6 Current 6 Regeneration 8 System Wiring Recommendations...

Страница 2: ...o persons and machinery Strictly adhere to the technical information on the installation requirements It is vital to ensure that all system components are connected to earth ground Electrical safety i...

Страница 3: ...2 to 48 VDC power supply 60 V max for NI SMD 7612 Refer to Choosing a Power Supply for help in choosing the right power supply one of the recommended motors a small flat blade screwdriver for tighteni...

Страница 4: ...nting multiple drives near each other maintain at least one half inch of space between drives Connecting the Power Supply If you need information about choosing a power supply refer to Choosing a Powe...

Страница 5: ...ffers the SMD 7700 regeneration clamp to solve this problem If in doubt buy an SMD 7700 for your first installation If the regen LED on the SMD 7700 never flashes you don t need the clamp Choosing a P...

Страница 6: ...with a 24 volt supply We recommend the following selection procedure 1 If you plan to use only a few drives get a power supply with at least twice per phase current rating of the step motor Example fo...

Страница 7: ...ent Switch Motor Drive Current A peak of sine Max Power Supply Current A 24 VDC 48 VDC 60 VDC 0 Reserved for custom motors 1 2 3 ST23 8 6 4 4 4 0 4 0 4 ST23 1 3 4 1 9 2 0 N A 5 ST23 4 5 3 2 3 3 N A 6...

Страница 8: ...bles should be properly shielded and the shield grounded at the power supply Signal cables should be shielded and grounded as close as possible to the signal source Connecting Motors This section expl...

Страница 9: ...compatible with the NI SMD 7611 7612 These wire colors may not match a third party stepper motor Figure 6 Four Lead Motor Connection Eight Lead Motors Eight lead motors can be connected in series or p...

Страница 10: ...igh speed digital input for the direction signal 5 24 V logic EN A digital input for removing power from the motor 5 24 V logic Note Activating then deactivating EN clears alarms and faults and re ena...

Страница 11: ...Circuit Diagram Connection Examples The following section demonstrates example signal connections Refer to System Wiring Recommendations for cable instructions STEP and DIR Figure 11 Connecting to Ind...

Страница 12: ...osed and enable when the relay is open Figure 14 Connecting Enable to a Switch or Relay Connecting the Enable signal as shown in Figure 15 causes the drive to disable when the output closes Figure 15...

Страница 13: ...dition This output can be used to drive LEDs relays or the inputs of other electronic devices like PLCs The collector and emitter terminals of the output transistor are available at the connector This...

Страница 14: ...e the NI SMD 7611 7612 Step 1 Selecting a Motor and Setting the Current The NI SMD 7611 7612 is optimized for use with NI motors To select a motor move the rotary switch to the setting that correspond...

Страница 15: ...ST23 1 Parallel 3 4 76 6 120 6 ST23 4 Parallel 4 5 159 3 300 7 ST23 6 Parallel 4 5 237 6 480 8 ST24 1 4 leads 3 36 123 280 9 ST24 2 4 leads 4 5 166 450 A ST24 3 4 leads 4 5 332 900 B ST34 2 Series 4...

Страница 16: ...ue but the motor will produce approximately 81 as much heat At 70 current the torque is reduced to 70 and the heating to about 50 Switches 1 and 2 on the front of the SMD 7611 7612 drive are used to s...

Страница 17: ...urrent to 90 place switch 4 in the up position Step 4 Load Inertia The SMD 7611 7612 includes anti resonance and electronic damping features which greatly improve motor performance To perform optimall...

Страница 18: ...that best matches the capability of your system At lower step resolutions such as 200 steps rev full step and 400 steps rev half step motors run a little rough and produce more audible noise than when...

Страница 19: ...pe of command signal one signal pulses once for each desired step in the clockwise direction STEP CW while a second signal pulses for counterclockwise motion STEP CCW The SMD 7611 7612 drives can acce...

Страница 20: ...ions If you are operating the SMD 7611 7612 at a high number of steps rev and at high motor speeds you may be commanding the drive at step rates above 150 kHz In such cases you should use the 2 MHz se...

Страница 21: ...drive will automatically rotate the motor back and forth 2 5 turns in each direction This feature can be used to confirm that the motor is correctly wired selected and otherwise operational Table 9 sh...

Страница 22: ...re 26 Torque Curve for ST17 with SMD 7611 at 48 V Figure 27 Torque Curve for ST23 with SMD 7611 7612 at 24 V ST17 with SMD 7611 ST17 1 ST17 2 ST17 3 ST17 4 ST23 with SMD 7611 7612 ST23 8 SMD 7612 ST23...

Страница 23: ...ts 23 Figure 28 Torque Curve for ST23 with SMD 7611 7612 at 48 V Figure 29 Torque Curve for ST24 with SMD 7612 at 24 V ST23 with SMD 7611 7612 ST23 8 SMD 7612 ST23 6 SMD 7611 ST23 4 SMD 7611 ST23 1 SM...

Страница 24: ...7611 7612 User Manual Figure 30 Torque Curve for ST24 with SMD 7612 at 48 V Figure 31 Torque Curve for ST34 with SMD 7611 at 48 V ST24 with SMD 7611 ST24 3 ST24 2 ST24 1 ST34 with SMD 7611 ST34 2 ST34...

Страница 25: ...struments 25 Figure 32 Torque Curve for ST34 1 ST34 4 and ST34 7 with SMD 7612 at 24 V Figure 33 Torque Curve for ST34 1 ST34 4 and ST34 7 with SMD 7612 at 48 V ST34 with SMD 7612 ST34 7 ST34 4 ST34 1...

Страница 26: ...anual Figure 34 Torque Curve for ST34 1 ST34 4 and ST34 7 with SMD 7612 at 60 V Figure 35 Torque Curve for ST34 2 ST34 5 and ST34 9 with SMD 7612 at 24 V ST34 with SMD 7612 ST34 7 ST34 4 ST34 1 ST34 w...

Страница 27: ...struments 27 Figure 36 Torque Curve for ST34 2 ST34 5 and ST34 9 with SMD 7612 at 48 V Figure 37 Torque Curve for ST34 2 ST34 5 and ST34 9 with SMD 7612 at 60 V ST34 with SMD 7612 ST34 8 ST34 5 ST34 2...

Страница 28: ...nutes on and five minutes off is also 50 duty However one hour on and one hour off has the effect of 100 duty because during the first hour the motor will reach full and possibly excessive temperature...

Страница 29: ...ee chart See chart ST23 6 Parallel 5 100 See chart See chart ST23 8 Parallel 6 100 See chart See chart ST24 1 4 leads 3 36 100 100 See chart ST24 2 4 leads 4 8 100 See chart See chart ST24 3 4 leads 4...

Страница 30: ...le for the ST17 2 with the SMD 7611 Figure 40 Duty Cycle for the ST17 3 with the SMD 7611 Figure 41 Duty Cycle for the ST17 4 with the SMD 7611 48 VDC ST17 2 Max Duty Cycle vs Speed 48 VDC ST17 3 Max...

Страница 31: ...T23 1 with the SMD 7611 Figure 43 Duty Cycle for the ST23 1 with the SMD 7612 Figure 44 Duty Cycle for the ST23 4 with the SMD 7612 at 48 VDC SMD 7611 48 VDC ST23 1 Max Duty Cycle vs Speed SMD 7612 60...

Страница 32: ...D 7612 at 60 VDC Figure 46 Duty Cycle for the ST23 6 with the SMD 7612 at 48 VDC Figure 47 Duty Cycle for the ST23 6 with the SMD 7612 at 60 VDC SMD 7612 60 VDC ST23 4 Max Duty Cycle vs Speed SMD 7612...

Страница 33: ...the SMD 7612 at 48 VDC Figure 49 Duty Cycle for the ST23 8 with the SMD 7612 at 60 VDC Figure 50 Duty Cycle for the ST24 1 with the SMD 7612 at 60 VDC SMD 7612 48 VDC ST23 8 Max Duty Cycle vs Speed S...

Страница 34: ...48 VDC Figure 52 Duty Cycle for the ST24 2 with the SMD 7612 at 60 VDC Figure 53 Duty Cycle for the ST24 3 at 48 VDC 48 VDC 4 8A 40 C Ambient ST24 2 Max Duty Cycle vs Speed SMD 7612 60 VDC ST24 2 Max...

Страница 35: ...the ST24 3 with the SMD 7612 at 60 VDC Figure 55 Duty Cycle for the ST34 2 with the SMD 7612 at 48 VDC Figure 56 Duty Cycle for the ST34 2 with the SMD 7612 at 60 VDC SMD 7612 60 VDC ST24 3 Max Duty...

Страница 36: ...he ST34 5 at 24 VDC Parallel Connection Figure 58 Duty Cycle for the ST34 5 at 48 VDC Parallel Connection Figure 59 Duty Cycle for the ST34 5 at 60 VDC Parallel Connection ST34 5 Max Duty Cycle vs Spe...

Страница 37: ...60 Duty Cycle for the ST34 5 at 24 VDC Series Connection Figure 61 Duty Cycle for the ST34 5 at 48 VDC Series Connection Figure 62 Duty Cycle for the ST34 8 at 24 VDC ST34 5 Max Duty Cycle vs Speed ST...

Страница 38: ...ual Figure 63 Duty Cycle for the ST34 8 at 48 VDC Figure 64 Duty Cycle for the ST34 8 at 60 VDC Figure 65 Duty Cycle for the ST34 4 at 60 VDC ST34 8 Max Duty Cycle vs Speed ST34 8 Max Duty Cycle vs Sp...

Страница 39: ...and temperature rise the following information is provided Given drive power dissipation Pd versus motor refer to the figures below drive thermal constant RQ The final drive case temperature is given...

Страница 40: ...l Outline Figure 67 Mechanical Dimensions Front View Figure 68 Mechanical Dimensions Top View 1 2 3 4 5 6 7 8 4 65 118 mm 125 3 2 mm 2X SLOT 0 17 4 3 mm WIDE FULL R 0 89 22 5 mm 0 887 22 5 mm 0 996 25...

Страница 41: ...MD 7612 Supply voltage 24 60 VDC Under voltage alarm 20 VDC Over voltage shutdown 85 VDC Motor current 2 35 to 8 A phase peak of sine with rotary switch set to position 7 and current at 70 Digital Inp...

Страница 42: ...and how to obtain relevant HTS codes ECCNs and other import export data Weight 10 8 oz 305 g including mating connectors Operating temperature range 0 C to 50 C Mating connectors Motor power supply P...

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