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Summary of Contents for ElectroCraft CompletePower Plus CPP-A12V80A-SA-USB
- Page 1 CPP-A12V80A-SA-USB Technical Reference ElectroCraft CompletePower™ Plus Universal Servo Drive ElectroCraft document number 198-0000023 ElectroCraft 2 Marin Way, Suite 3 Stratham, NH 03885-2578 www.electrocraft.com © ElectroCraft 2018...
- Page 2 While ElectroCraft believes that the information and guidance given in this manual is correct, all parties must rely upon their own skill and judgment when making use of it. ElectroCraft does not assume any liability to anyone for any loss or damage caused by any error or omission in the work, whether such error or omission is the result of negligence or any other cause.
- Page 3 If you want to … • Receive general information or assistance • Ask questions about product operation or report suspected problems • Make suggestions or report errors in documentation Contact ElectroCraft at … For North America: : (844) 338-8114 Email : drivesupport@electrocraft.com...
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Page 4: Table Of Contents
USB Communications ......................19 De-rating ........................19 Peak Current Fold-back (I t) ..................20 Hardware Installation .................... 21 Mechanical Mounting ....................21 Dimensions ........................21 Mating Connectors .......................21 Connector Locations and Pin Numbers ................22 4.4.1 Connector Layout ........................22 © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... - Page 5 Analog Input Circuit ....................... 32 8.4.2 Analog Output Circuit ......................32 Communication ..................... 33 Connecting USB ......................33 Introduction to ElectroCraft CompleteArchitect™ PC Software ....33 First Time Operation ..................33 Adding an External Brake Resistor ..............34 12.1 Caution Statement ....................34 12.2...
- Page 6 Calculating power value of the braking resistor ..............36 12.4 Minimum external bulk capacitance ................37 12.5 Connecting External Brake Resistor and Bulk Capacitor ...........37 12.6 ElectroCraft Braking Module Assembly ..............38 Troubleshooting ....................39 13.1 Status LED (Red) ......................39 13.2 Power LED (Green) ....................40 ©...
- Page 7 FIGURE 24: USB CABLE CONNECTION BETWEEN COMPUTER AND DRIVE ........33 FIGURE 28: BRAKE RESISTOR OPERATION GRAPH ................34 FIGURE 29: EXTERNAL BRAKE RESISTOR AND BULK CAPACITOR CONNECTION TO THE DRIVE ................................37 FIGURE 30: ELECTROCRAFT BRAKING MODULE ................. 38 © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference...
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Page 8: Product Safety Precautions
GIVE SPECIAL ATTENTION TO ALL BOLD PRINT ITEMS. WARNING! ElectroCraft products are not authorized for use in safety critical applications. To operate the drive safely, these minimum precautions MUST be followed to insure proper performance without injury to the operator and damage to motor or drive. -
Page 9: Storage And Transportation
19. Safe use of this product depends on factors specific to the end application. These factors are outside of ElectroCraft knowledge and control. The installer of this servo drive must have a thorough knowledge of safety precautions and practices relevant to the specific application of this drive. -
Page 10: Installation
5. Use twisted-pair shielded wires or multi-core twisted pair shielded wires for signal and encoder feedback lines. 6. Always use the specified power supply voltage. An incorrect power supply may result in damage to the drive. © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 11: Life Support Policy
Life Support Policy READ THIS ENTIRE SECTION BEFORE ATTEMPTING TO USE THE CPP-A12V80A-SA-USB DRIVE! ElectroCraft products are not authorized for use as critical components in life support devices or systems without the express written approval from ElectroCraft, Incorporated. 1. Life support devices or systems are intended for surgical implant into the body, or support or... -
Page 12: Checking Product On Delivery
Check the overall appearance. Check for damage or scratches that may have occurred during shipping. If any damage is noted, or if the unit is the wrong type, contact your ElectroCraft sales representative immediately. Your CPP-A12V80A-SA-USB has arrived carefully packaged from ElectroCraft, in an antistatic bag. As you unseal this bag, inspect the contents carefully. -
Page 13: Product Overview
Product Overview This manual describes the installation and operation of the CPP-A12V80A-SA-USB digital servo-amplifier manufactured by ElectroCraft Inc. Key Features Features of CPP-A12V80A-SA-USB drive: • +12 to +80 VDC power supply input. • 12 Amps Continuous, 30 Amps Peak (2 seconds). -
Page 14: Hall Sensor Feedback
300° 360° 60° 120° 180° 240° 300° 360° Hall Sensor 1 Hall Sensor 2 Hall Sensor 3 Motor Phase A Motor Phase B Motor Phase C Figure 2: Trapezoidal Commutation with Hall sensor feedback © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 15: Figure 3: Sinusoidal Commutation With Hall Sensor Feedback
300° 360° 60° 120° 180° 240° 300° 360° Hall Sensor 1 Hall Sensor 2 Hall Sensor 3 Motor Phase A Motor Phase B Motor Phase C Figure 3: Sinusoidal commutation with Hall sensor feedback © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 16: Stepper Motor Phase Current Waveforms For Different Step Values
Motor Phase A Motor Phase B Quarter Step / 4 Microsteps per Step Motor Phase A Motor Phase B 256 Microsteps per Step Motor Phase A Motor Phase B Figure 4: Stepper motor Phase Current Waveform © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 17: Encoder Feedback
Encoder Only IxR Estimator Identification Labels Identification label with ElectroCraft serial number Figure 6: Drive with identifying label Status Indicator Lights In normal operation, the drive is either in an “Enabled” state or in a “Disabled” state. When power is first applied, the green LED will be On indicating that power has been applied. -
Page 18: Drive Specifications
Conditions Min. Typical Max. Units Continuous with no additional heatsink Peak Current Output Phase Current Peak Duration maximum (see I t section 3.5) PWM Frequency Configured by software * Values are peak of Sine © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 19: Hall Sensor Inputs
With external pull up to max operational range voltage Load impedance Ω Absolute Max 3.3.8 Analog Input Parameter Conditions Min. Typical Max. Units Operational range Input Voltage Absolute maximum Sinking and Sourcing At operational range -0.2 Current © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 20: Analog Output
The drive does not have any temperature or output PWM frequency derating in the ambient temperature range of 0 to 40°C when mounted according to ElectroCraft recommendations as specified in section 4.1. Operating the drive outside ElectroCraft recommendations or in a closed box and stagnant air may limit maximum performance. -
Page 21: Peak Current Fold-Back (I 2 T)
If the entered time value is longer than the computed time limit, the software t time limit of 30 seconds. defaults to the computed time limit. Additionally there is a preset maximum I © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 22: Hardware Installation
Hall Adam Tech DMT-2-08 DMT-B-C-F-T-R Molex 43025-1000 43030-0007 Encoder Adam Tech DMT-2-10 DMT-B-C-F-T-R Molex 43025-1600 43030-0007 Adam Tech DMT-2-16 DMT-B-C-F-T-R Miniature USB Type B - Male Crimp tool for J3, J4, J5 Molex 0638190000 © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 23: Connector Locations And Pin Numbers
Motor Temperature Sensor Positive; Analog input. Frame Connected to drive chassis Output +5 Volts DC Power; Internally generated. Digital Ground; Return for hall signals. Temp- Input Motor Temperature Negative; Return for Motor Temperature Sensor. © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 24: J4 Encoder Connector Pinout
General purpose; Digital input. Ready Output Ready; Digital Output. Digital Ground; Return for digital I/O pins. 4.4.7 J6 USB Communications Connector Pinout Pin # Name Description In/Out USB 2.0 compatible communications interface for drive configuration. © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 25: Connecting Power
Connecting Power Power supply DC Power Drive Supply -DC Power +DC Power Figure 10: Power supply connection to the drive © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 26: Connecting Motors
Figure 12: Permanent Magnet DC motor connection to the drive Stepper Motor Drive Motor Phase A+ Stepper Motor Phase A- Motor Motor Phase B+ Motor Phase B- Motor Shield Figure 13: Stepper motor connection to the drive © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 27: Connecting Motor Feedback Devices
Figure 15: Hall sensor signal input circuit Incremental Encoder 7.2.1 Differential Encoder Drive Motor Use twisted wire pairs for + and – signal pairs of A, B and Z Figure 16: Differential encoder connection to the drive © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 28: Single-Ended Encoder
(an encoder or other sensor) is unavailable. The drive estimates the speed of the motor using the Motor’s Resistance and Ke. Refer CompleteArchitect software manual for more information about calibrating the IxR Speed Feedback Estimator. © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 29: Motor Temperature Sensor
A motor over-temperature protection function is provided by the drive. The drive is designed to be compatible with standard Electrocraft motors equipped with a thermistor temperature sensor. However the drive is capable of interfacing with any resistance based temperature sensor that meets the following criteria. -
Page 30: Connecting I/O
Limit switch negative is active low, the drive stops delivering negative current Negative to the motor. +5 Vout Output Internally generated +5 volts for customer use. Refer to section 3.3.2. Ground Referenced to supply ground. © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 31: Minimum I/O Connections
Enable signal and digital pulse input for Step and Direction from a controller is shown in Figure 22. Drive Step (From Controller) Drive Enable Direction (From Controller) Figure 22: Minimum drive I/O connection needed to operate stepper motor © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 32: Digital Inputs And Outputs
Note: For Step and Direction digital inputs R = 10KΩ and C = 10pF. For In 0, Enable, Brake, Limit Switch Positive and Limit Switch Negative digital inputs R= 20KΩ and C = 4700pF. Figure 23: Digital input circuit 8.3.2 Digital Output Circuit 590Ω Digital Output Figure 24: Digital output circuit © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 33: Analog Inputs And Outputs
The scaling for the analog output is configurable using the drive setup software. 47pF +12V 33.2KΩ Analog 2.32KΩ Output -12V Figure 26: Analog output circuit Note: The single ended analog output is referenced to ground on J5 pin 16. © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 34: Communication
First Time Operation To get started, proceed as follows: 1. Install ElectroCraft CompletePower Plus Universal Drive Configuration Tool onto user PC and open the software window. 2. Connect I/O, motor phase and feedback wires to the drive. Make sure the Enable switch is in the OFF position. -
Page 35: Adding An External Brake Resistor
The user supplied temperature sensitive device must be rated to a current equal or more than the maximum deceleration current. Refer section 12.5 for wiring an external temperature sensitive switch to the drive. © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 36: 12.3 Selecting External Brake Resistor
For properly sizing the resistor, a complex calculation requiring detailed information about the application and load is needed. This data is often not known or difficult to obtain, so ElectroCraft has provided the following guideline as a starting point which has proven sufficient in the majority of applications. If further support is needed or this recommendation does not provide the required performance please contact ElectroCraft. -
Page 37: 12.3.2 Calculating Power Value Of The Braking Resistor
The selected power rating for any external brake resistor is application dependent. Usually a heavy-duty wire wound resistor will work best. © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 38: 12.4 Minimum External Bulk Capacitance
On voltage (set in the configuration software). ElectroCraft recommends connecting a capacitor of 100 μF per each ampere deceleration current across J1 pin 1 and pin 2 as shown in section 12.5. For example, the application given in section 12.3.2 has a deceleration current of 12 A, so it will need a 1200 μF capacitor. -
Page 39: 12.6 Electrocraft Braking Module Assembly
The braking module is designed to be connected between the CPP-A12V80A-SA-USB connector J1 and the power supply. For full and complete data including proper connection information please refer to the ElectroCraft Braking Module datasheet available at ElectroCraft website. © ElectroCraft 2018... -
Page 40: Troubleshooting
• Motor Over Speed • Check for mechanical disabled. • Motor Control Error conditions that would cause an over speed condition. Note: Detailed status information can be obtained using the drive configuration software. © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... -
Page 41: Power Led (Green)
Drive is not Drive will not • Check wires for possible Power Indicator powered. operate. short circuit. • Verify internally generated +5Vdc power is not overloaded by I/O or motor feedback devices. © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference... - Page 42 © ElectroCraft 2018 CPP-A12V80A-SA-USB Technical Reference...
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