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NI SMD-7613/7614/7615/7616 User Manual

Motor Wiring Recommendations

This section explains how to connect motors to the NI SMD-761x. Refer to your motor
documentation for any special considerations that may affect your configuration.

Maintain at least 2 in. separation between the power supply cable and input lines or encoder
feedback. All power supply cables 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.

Caution

Never connect or disconnect the motor while the system is powered on.

Note

Ensure any shield or grounding strap on the motor is connected to the chassis

ground screw located near the motor/power connector.

Figure 5.

Motor/Power Connector

Figure 6.

Grounding Screw on the Chassis

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Summary of Contents for NI SMD-7613

Page 1: ...up to 5 A per phase The SMD 7614 7616 operates from 18 to 88 VDC and runs current up to 10 A per phase The SMD 7615 7616 features encoder feedback Contents Safety Information 2 Block Diagram 3 Gettin...

Page 2: ...njury to personnel can result from the failure to follow all applicable codes and standards We do not guarantee the products described in this publication are suitable for your particular application...

Page 3: ...s in this manual provide important information Read and be familiar with these instructions before attempting installation operation or maintenance The purpose of this section is to alert users to pos...

Page 4: ...of the chassis using 6 screws If possible the drive should be securely fastened to a smooth flat metal surface that will help conduct heat away from the chassis If this is not possible then forced air...

Page 5: ...at load is transferred back to the power supply This can trip the overvoltage protection of a switching power supply causing it to shut down NI offers the SMD 7700 regeneration clamp to solve this pro...

Page 6: ...wer supply 2 If you are designing for mass production and must minimize cost get one power supply with more than twice the rated current of the motor Install the motor in the application and monitor t...

Page 7: ...CAT5 Ethernet cable connection to connect to your PC You can connect the drive directly to your PC s network card to an auxiliary network card in your PC or to a router or network switch 1 Physically...

Page 8: ...the DHCP server may be dynamic or static depending on how the administrator has configured DHCP The DHCP setting is reserved for advanced users Your PC or any other equipment that you use to communic...

Page 9: ...guration Utility If your network uses addresses starting with 192 168 0 the most common subnet you will want to choose an address from switch settings 4 through E Another common subnet is 192 168 1 If...

Page 10: ...second NIC may appear Please select the NIC that you use to connect to the network to which you have connected your device Then click OK Drive Discovery notifies you as soon as it has detected a devic...

Page 11: ...eed a special crossover cable the device will automatically detect the direct connection and make the necessary physical layer changes 2 If you use a laptop and only connect to your LAN using wireless...

Page 12: ...e and input lines or encoder feedback All power supply cables should be properly shielded and the shield grounded at the power supply Signal cables should be shielded and grounded as close as possible...

Page 13: ...Motors Six lead motors can be connected in series or center tap A series connected motor produces more torque but it will not be able to run as fast as a motor in center tap configuration In series o...

Page 14: ...parallel but it will not be able to run as fast In series operation the motor should be operated at 30 less than the rated current to prevent overheating Refer to the wiring diagrams below to connect...

Page 15: ...tor and the load to travel within mechanical limits It can be configured as active closed or active open IN1 STEP IN2 DIR These are digital signals that can be used for commanding a position Quadratur...

Page 16: ...2 DIR X2 DIR X COMMON X3 ENABLE X4 ALARM RESET X5 CWJOG X6 CCWJOG ANALOG IN2 ANALOG IN1 X8 CCWLIMIT X8CCWLIMIT X7 CWLIMIT X7 CWLIMIT Y4 Y4 GND 5V OUT Y COMMON Y3 FAULT Y2 MOTION Y1 BRAKE 13 12 11 10 9...

Page 17: ...ollowing applications The following section demonstrates example signal connections Refer to Motor Wiring Recommendations for cable instructions Figure 14 Connecting to Indexer with Sourcing Outputs F...

Page 18: ...logic use 820 1 4 W resistors For 24 V logic use 2 200 1 4 W resistors Caution Do not exceed an input voltage of 24 VDC Never apply AC power to an input terminal Connect the resistors according to th...

Page 19: ...h controllers sensors relays or mechanical switches These inputs require an external power supply Note COM or common refers to a connection to a common voltage This is often ground but not always If u...

Page 20: ...es Figure 21 Connecting to Input Switch or Relay Figure 22 Connecting Multiple Drives Figure 23 Connecting an NPN Type Proximity Sensor to an Input 12 24 VDC Power Supply Switch or Relay closed logic...

Page 21: ...u can force the motor to operate within certain limits preventing damage to your system by traveling too far The limit inputs are optically isolated allowing you to choose a voltage for your limit cir...

Page 22: ...ture expansion as SoftMotion does not currently access the analog inputs on the drive The following figure represents the internal circuitry of the analog inputs Figure 28 Internal Circuitry of Analog...

Page 23: ...drive LEDs relays and the inputs of other electronic devices like controllers and counters For Y4 the collector and emitter terminals of each transistor are available at the connector This allows you...

Page 24: ...gure 31 Sinking Output Using Y4 Figure 32 Sourcing Output Using Y1 Y2 or Y3 Figure 33 Sourcing Output Using Y4 5 24 VDC Power Supply Y4 Y4 Load IN OUT1 PLC 5 24 VDC Power Supply Y1 2 3 COM IN IN OUT1...

Page 25: ...connector which you must connect to your encoder as shown below If your encoder is single ended connect the encoder outputs to the A B and Z inputs Leave A B and Z unconnected Z is the encoder index s...

Page 26: ...ual Table 3 Encoder Connection Pin Definition Pin Function 1 Encoder A 2 Encoder A 3 Encoder B 4 Encoder B 5 Encoder Z 6 Encoder Z 7 5 VDC 200 mA 8 GND 9 No Connect 10 No Connect 11 No Connect 12 No C...

Page 27: ...er Manual National Instruments 27 The internal circuitry of the encoder connection is depicted below Figure 37 Encoder Connection Pin Numbering 5V A B B Z Z GND 7 3 1 2 4 6 5 8 8 3 K 8 3 K 8 3 K 12 5...

Page 28: ...the Standard Motor list Select the motor you will use and configure the following settings Running Current Set the Running Current to 100 to achieve maximum torque However under some conditions you m...

Page 29: ...ad If you are unsure of this value you can experimentally find an acceptable value by entering a multiplier of the rotor inertia Control From the NI Stepper Configuration Utility home screen click Mot...

Page 30: ...This results in extra motion and inaccurate motor and load positioning To solve this problem the drive includes a digital noise filter on the STEP and DIR inputs The default factory setting of this fi...

Page 31: ...ront panel LED Refer to the Alarm Code section for code definitions Alarm Reset Input This parameter allows you to configure an input to reset any alarms that result from a fault If this is not enable...

Page 32: ...V Power Supply Oz in ST11 ST14 24 VDC Power Supply 20000 Steps Rev Rev Sec 5 10 15 20 5 10 15 20 30 35 25 40 25 0 0 ST14 1 1 2 A Phase ST11 2 1 2 A Phase ST11 1 1 2 A Phase Oz in ST17 24 VDC Power Su...

Page 33: ...wer Supply 20000 Steps Rev All Motors Connected in Parallel Rev Sec 20 10 30 50 70 90 40 60 80 5 10 15 20 30 35 25 40 100 0 0 ST17 3 2 0 A Phase ST17 2 2 0 A Phase ST17 1 1 6 A Phase Oz in ST23 24 VDC...

Page 34: ...48 VDC Power Supply 20000 Steps Rev All Motors Connected in Parallel Rev Sec 0 100 150 200 300 250 50 5 10 15 20 30 35 25 40 350 0 ST23 8 6 0 A Phase ST23 6 5 0 A Phase ST23 4 5 0 A Phase ST23 1 3 4...

Page 35: ...in ST24 48 VDC Power Supply 20000 Steps Rev Rev Sec 50 150 100 200 300 250 5 10 15 20 30 35 25 40 350 0 0 ST24 3 4 80 A Phase ST24 2 4 80 A Phase ST24 1 3 36 A Phase Oz in ST34 2 5 8 with SMD 7614 76...

Page 36: ...616 48 VDC Power Supply 20000 Steps Rev All Motors Connected in Parallel Rev Sec 200 600 800 1200 1000 400 5 10 15 20 30 35 25 40 1400 0 0 ST34 8 10 A Phase ST34 5 9 7 A Phase ST34 2 10 A Phase Oz in...

Page 37: ...DC Power Supply 20000 Steps Rev All motors Connected in Parallel Rev Sec 200 400 600 500 300 100 800 700 900 5 10 15 20 30 35 25 40 1000 0 0 ST34 7 6 72 A Phase ST34 4 7 56 A Phase ST34 1 7 56 A Phase...

Page 38: ...our application A step motor typically reaches maximum temperature after 30 to 45 minutes of operation If you run the motor for one minute then let it sit idle for one minute that is a 50 duty cycle F...

Page 39: ...00 ST11 2 1 2 100 ST14 1 1 2 See chart ST17 1 1 6 100 See chart ST17 2 2 0 100 See chart ST17 3 2 0 100 See chart ST23 1 3 4 100 See chart ST23 4 5 0 See chart See chart ST23 6 5 0 See chart See chart...

Page 40: ...e ST17 2 with the SMD 761x 48 VDC 0 10 20 30 40 50 Duty Cycle ST17 1 Max Duty Cycle vs Speed 48 VDC 1 60 Amps 40 C Ambient on 4 75 x 4 75 x 25 Aluminum Plate Speed RPS 0 20 40 60 80 100 0 10 20 30 40...

Page 41: ...le for the ST23 1 with the SMD 761x 48 VDC 0 10 20 30 40 50 Duty Cycle ST17 2 Max Duty Cycle vs Speed 48 VDC 2 0 Amps 40 C Ambient on 4 75 x 4 75 x 25 Aluminum Plate Speed RPS 0 20 40 60 80 100 0 10 2...

Page 42: ...e for the ST23 4 with the SMD 761x 48 VDC 0 10 20 30 40 50 Duty Cycle ST23 4 Max Duty Cycle vs Speed 24VDC 5 0A 40 C Ambient on 6 4 x 6 4 x 25 Aluminum Plate Speed RPS 0 20 40 60 80 100 0 10 20 30 40...

Page 43: ...cle for the ST23 6 with the SMD 761x 48 VDC 0 10 20 30 40 50 Duty Cycle ST23 6 Max Duty Cycle vs Speed 24 VDC 5 0 Amps 40 C Ambient on 6 4 x 6 4 x 25 Aluminum Plate Speed RPS 0 20 40 60 80 100 0 10 20...

Page 44: ...or the ST34 2 with the SMD 761x 80 VDC 0 10 20 30 40 50 Duty Cycle ST34 2 Max Duty Cycle vs Speed 48 VDC 10 0 Amps 40 C Ambient on 10 x 10 x 5 Aluminum Plate Speed RPS 0 20 40 60 80 100 0 10 20 30 40...

Page 45: ...Cycle for the ST34 5 with the SMD 761x 80 VDC 0 10 20 30 40 50 Duty Cycle ST34 5 Max Duty Cycle vs Speed 48 VDC 10 0 Amps 40 C Ambient on 10 x 10 x 5 Aluminum Plate Speed RPS 0 20 40 60 80 100 0 10 20...

Page 46: ...nerate some heat in the process This will cause the temperature of the drive to rise above the surrounding air temperature and may also require that the drive be mounted to a heat conducting metal sur...

Page 47: ...given by TC Ta RQ Pd where Ta is the ambient temperature of the surrounding air The case of the drive should not be allowed to exceed 70 C or the life of the product could be reduced Drive thermal co...

Page 48: ...Features Digital MOSFET 20 kHz PWM Suitable for driving step motors with four six or eight leads SMD 7613 7615 Supply voltage 12 to 53 VDC Motor current 0 1 to 5 0 A phase peak of sine SMD 7614 7616 S...

Page 49: ...2 to 24 V differential Internal resistance 2 200 Analog inputs Input voltage 10 VDC Internal resistance 100 k Output Photodarlington 100 mA 30 VDC max Voltage drop 1 2 V max at 100 mA 5V Output 5 VDC...

Page 50: ...ERRORS U S Government Customers The data contained in this manual was developed at private expense and is subject to the applicable limited rights and restricted data rights as set forth in FAR 52 227...

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