The BE40A20 analog servo drive is designed to drive brushless DC motors. It has a peak current of 40A and continuous current of 20A. It can interface with digital controllers or operate stand-alone. Key features include four quadrant regenerative operation, adjustable current limits, and selectable operating modes like current and encoder velocity modes. It has safety approvals from UL, cUL, and CE and is RoHS compliant.
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Defect reporting
SAP heatmap example with demo
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UiPath Test Automation using UiPath Test Suite series, part 3DianaGray10
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Topics covered:
UI automation Introduction,
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Pradeep Chinnala, Senior Consultant Automation Developer @WonderBotz and UiPath MVP
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
Knowledge engineering: from people to machines and back
Advanced motion controls be40a20
1. Analog Servo Drive BE40A20
Description
Power Range
Peak Current 40 A
Continuous Current 20 A
Supply Voltage 40 - 190 VDC
The BE40A20 PWM servo drive is designed to drive brushless DC motors at a high switching frequency. A single red/green LED indicates operating status. The drive is fully protected against over-voltage, under voltage, over-current, over-heating and short-circuits across motor, ground and power leads. Furthermore, the drive can interface with digital controllers or be used stand-alone, and requires only a single unregulated DC power supply. Loop gain, current limit, input gain and offset can be adjusted using 14- turn potentiometers. The offset adjusting potentiometer can also be used as an on-board input signal for testing purposes. This drive can use quadrature encoder inputs for velocity control.
Features
Four Quadrant Regenerative Operation
DIP Switch Selectable Modes
Adjustable Current Limits
Differential Input Command
On-Board Test Potentiometer
Offset Adjustment Potentiometer
Adjustable Input Gain
Selectable 120/60 Hall Commutation Phasing
DIP Switch Selectable Tuning
Encoder Velocity Mode
Drive Status LED
Velocity Monitor Outputs
MODES OF OPERATION
ƒ
Current
ƒ
Open Loop
ƒ
Encoder Velocity
ƒ
Tachometer Velocity
COMMAND SOURCE
ƒ
±10 V Analog
FEEDBACK SUPPORTED
ƒ
Halls
ƒ
Incremental Encoder
ƒ
Tachometer
COMPLIANCES & AGENCY APPROVALS
ƒ
UL
ƒ
cUL
ƒ
CE Class A (LVD)
ƒ
CE Class A (EMC)
ƒ
RoHS
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2. Analog Servo Drive BE40A20
BLOCK DIAGRAM
Information on Approvals and Compliances
US and Canadian safety compliance with UL 508c, the industrial standard for power conversion electronics. UL registered under file number E140173. Note that machine components compliant with UL are considered UL registered as opposed to UL listed as would be the case for commercial products.
Compliant with European CE for both the Class A EMC Directive 89/336/EEC on Electromagnetic Compatibility (specifically EN 61000-6-4:2001, EN 61000-6-2:2001, EN 61000-3-2:2000, and EN 61000-3-3:1995/A1:2001) and LVD requirements of directive 73/23/EEC (specifically EN 60204-1), a low voltage directive to protect users from electrical shock.
RoHS (Reduction of Hazardous Substances) is intended to prevent hazardous substances such as lead from being manufactured in electrical and electronic equipment.
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3. Analog Servo Drive BE40A20
SPECIFICATIONS
Power Specifications
Description
Units
Value
DC Supply Voltage Range
VDC
40 - 190
DC Bus Over Voltage Limit
VDC
195
Maximum Peak Output Current1
A
40
Maximum Continuous Output Current
A
20
Maximum Power Dissipation at Continuous Current
W
190
Minimum Load Inductance (Line-To-Line)2
μH
250
Switching Frequency
kHz
22
Control Specifications
Description
Units
Value
Command Sources
-
±10 V Analog
Feedback Supported
-
Halls, Incremental Encoder, Tachometer
Commutation Methods
-
Trapezoidal
Modes of Operation
-
Current, Encoder Velocity, Open Loop, Tachometer Velocity
Motors Supported
-
Brushed, Brushless, Voice Coil
Hardware Protection
-
Invalid Commutation Feedback, Over Current, Over Temperature, Over Voltage, Short Circuit (Phase-Phase & Phase-Ground)
Mechanical Specifications
Description
Units
Value
Agency Approvals
-
CE Class A (EMC), CE Class A (LVD), cUL, RoHS, UL
Size (H x W x D)
mm (in)
186.7 x 111.7 x 25.4 (7.4 x 4.4 x 1)
Weight
g (oz)
680 (24)
Heatsink (Base) Temperature Range3
°C (°F)
0 - 65 (32 - 149)
Storage Temperature Range
°C (°F)
-40 - 85 (-40 - 185)
Form Factor
-
Stand Alone
P1 Connector
-
16-pin, 2.54 mm spaced, friction lock header
P2 Connector
-
5-port, 5.08 mm spaced, screw terminal
P3 Connector
-
5-pin, 2.54 mm spaced, friction lock header
Notes
1.
Maximum duration of peak current is ~2 seconds.
2.
Lower inductance is acceptable for bus voltages well below maximum. Use external inductance to meet requirements.
3.
Additional cooling and/or heatsink may be required to achieve rated performance.
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4. Analog Servo Drive BE40A20
PIN FUNCTIONS
P1 - Signal Connector
Pin
Name
Description / Notes
I/O
1
+10V 3mA OUT
O
2
SIGNAL GND
GND
3
-10V 3mA OUT
±10 V @ 3 mA low power supply for customer use. Short circuit protected. Reference ground common with signal ground.
O
4
+REF IN
I
5
-REF IN
Differential Reference Input (±10 V Operating Range, ±15 V Maximum Input)
I
6
-TACH IN
Negative Tachometer Input (Maximum ±60 V). Use signal ground for positive input.
I
7
VEL MONITOR OUT
Velocity Monitor. Analog output proportional to motor speed. In Encoder Velocity mode, output is proportional to the encoder line frequency. Encoder Velocity scaling is 22 kHz/V.
O
8
CURR MONITOR OUT
Current Monitor. Analog output signal proportional to the actual current output. Scaling is 8.3 A/V by default but may be reduced to half this value by setting DIP switch SW-3 to OFF (see Hardware Settings section below). Measure relative to signal ground.
O
9
I
NHIBIT IN
TTL level (+5 V) inhibit/enable input. Leave open to enable drive. Pull to ground to inhibit drive. Inhibit turns off all power devices.
I
10
+V HALL 30mA OUT
Low Power Supply For Hall Sensors (+6 V @ 30 mA). Referenced to signal ground. Short circuit protected.
O
11
GND
Signal Ground
GND
12
HALL 1
I
13
HALL 2
I
14
HALL 3
Single-ended Hall/Commutation Sensor Inputs (+5 V logic level)
I
15
CURRENT REF OUT
Measures the command signal to the internal current-loop. This pin has a maximum output of ±7.25 V when the drive outputs maximum peak current. Measure relative to signal ground.
O
16
FAULT OUT
TTL level (+5 V) output becomes high when power devices are disabled due to at least one of the following conditions: inhibit, invalid Hall state, output short circuit, over voltage, over temperature, power-up reset.
O
P2 - Power Connector
Pin
Name
Description / Notes
I/O
1
MOTOR A
Motor Phase A
O
2
MOTOR B
Motor Phase B
O
3
MOTOR C
Motor Phase C
O
4
POWER GND
Power Ground (Common With Signal Ground)
GND
5
HIGH VOLTAGE
DC Power Input
I
P3 - Feedback Connector
Pin
Name
Description / Notes
I/O
1
+5V
Low Power Supply For Encoder (+5 V @ 150 mA). Referenced to signal ground. Short circuit protected.
O
2
CHANNEL A
Single-ended encoder channel A input. +5 V logic level.
I
3
NC
Not Connected (Reserved)
-
4
CHANNEL B
Single-ended encoder channel B input. +5 V logic level.
I
5
SIGNAL GND
Signal Ground
GND
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5. Analog Servo Drive BE40A20
HARDWARE SETTINGS
Switch Functions
Setting
Switch
Description
On
Off
1
Test/Offset. Switches the function of the Test/Offset pot between an on-board command input for testing or a command offset adjustment. OFF by default.
Test
Offset
2
Current loop proportional gain adjustment. ON by default.
Decrease
Increase
3
Current scaling. When OFF, increases sensitivity of current sense thus reducing both peak and continuous current limit by 50%. The scaling of the current monitor output signal becomes ½ its ordinary value when this switch is OFF.
Full-current
Half-current
4
Outer loop integration. Activates or deactivates integration. ON, by default, for current mode and OFF for other modes.
Inactive
Active
5
Mode selection. See mode selection table below.
-
-
6
Mode selection. See mode selection table below.
-
-
7
Velocity feedback polarity. Changes the polarity of the internal feedback signal and the velocity monitor output signal. Inversion of the feedback polarity may be required to prevent a motor run- away condition.
Standard
Inverted
8
Current ratio. Used to set continuous-to-peak current ratio. Default is ON.
Cont./Peak Ratio = 50%
Cont./Peak Ratio = 25%
9
Outer loop integral gain adjustment. It is recommended to leave this switch OFF for most applications.
Decrease
Increase
10
Hall sensor phasing. Selects 120°/60° commutation phasing. ON by default.
120°
60°
Mode Selection Table
Mode
SW2
SW4
SW5
SW6
Encoder
Tachometer
CURRENT
ON
ON
OFF
OFF
Not Connected
Not Connected
OPEN LOOP
ON
OFF
ON
OFF
Not Connected
Not Connected
ENCODER VELOCITY*
ON
OFF
OFF
ON
Connected
Not Connected
TACHOMETER VELOCITY
ON
OFF
OFF
OFF
Not Connected
Connected
*NOTE: See details of switch 7 for further Encoder Velocity configuration information.
Potentiometer Functions
Potentiometer
Description
Turning CW
1
Loop gain adjustment for open loop / velocity modes. Turn this pot fully CCW in current mode.
Increases gain
2
Current limit. It adjusts both continuous and peak current limit while maintaining their ratio.
Increases limit
3
Reference gain. Adjusts the ratio between input signal and output variables (voltage, current, or velocity).
Increases gain
4
Offset / Test. Used to adjust any imbalance in the input signal or in the amplifier. Can also be used as an on-board signal source for testing purposes.
Adjusts offset in negative direction
Note: Potentiometers are approximately linear and have 12 active turns with 1 inactive turn on each end.
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6. Analog Servo Drive BE40A20
Through-hole Components†
Location
Description
C67*
Velocity Loop Integrator. Through-hole capacitor that can be added for more precise velocity loop tuning. See section below on Tuning with Through-hole components for more details.
C69*
Current Loop Integrator. Through-hole capacitor that can be added for more precise current loop tuning. See section below on Tuning with Through-hole components for more details.
R26*
Current Loop Proportional Gain. Through-hole resistor that can be added for more precise current loop tuning. See section below on Tuning with Through-hole components for more details.
Tuning With Through-hole Components
In general, the drive will not need to be further tuned with through-hole components. However, for applications requiring more precise tuning than what is offered by the potentiometers and dipswitches, the drive can be manually modified with through-hole resistors and capacitors as denoted in the above table. By default, the through-hole locations are not populated when the drive is shipped. Before attempting to add through-hole components to the board, consult the section on loop tuning in the installation notes on the manufacturer’s website. Some general rules of thumb to follow when adding through-hole components are:
•
A larger resistor value will increase the proportional gain, and therefore create a faster response time.
•
A larger capacitor value will increase the integration time, and therefore create a slower response time.
Proper tuning using the through-hole components will require careful observation of the loop response on a digital oscilloscope to find the optimal through-hole component values for the specific application.
†Note: Damage done to the drive while performing these modifications will void the warranty.
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7. Analog Servo Drive BE40A20
MECHANICAL INFORMATION
P1 - Signal Connector
Connector Information
16-pin, 2.54 mm spaced, friction lock header
Details
Molex: P/N 22-01-3167 (connector) and P/N 08-50-0114 (insert terminals)
Mating Connector
Included with Drive
Yes +10V 3mA OUT1SIGNAL GND2-10V 3mA OUT3+REF IN4-REF IN5-TACH IN6VEL MONITOR OUT7CURR MONITOR OUT8INHIBIT IN9+V HALL 30mA OUT10GND11HALL 112HALL 314FAULT OUT16HALL 213CURRENT REF OUT15
P2 - Power Connector
Connector Information
5-port, 5.08 mm spaced, screw terminal
Details
Not applicable
Mating Connector
Included with Drive
Not applicable MOTOR A1MOTOR B2MOTOR C3POWER GND4HIGH VOLTAGE5
P3 - Feedback Connector
Connector Information
5-pin, 2.54 mm spaced, friction lock header
Details
Molex: P/N 22-01-3167 (connector) and P/N 08-50-0114 (insert terminals)
Mating Connector
Included with Drive
Yes +5V1CHANNEL A2NC3CHANNEL B4SIGNAL GND5
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9. Analog Servo Drive BE40A20
PART NUMBERING INFORMATION
APeak VoltagePeak Current20- Additional OptionsB or BX:Brushless drive. Maximum peak current rating in Amps. Peak voltage rating scaled 1:10 in Volts. Power Supply:DC Power SupplyDrive TypeBE:Encoder Velocity Mode AvailableBD:PWM CommandBDC:PWM Command, Closed Current LoopS or SX:Commutated Sine CommandRevisionAssigned a letter (A through Z) by manufacturer. AC:AC Power SupplyFAC:AC Power Connecter Relocated to the FrontI:Optical IsolationIsolation Option40BE
ADVANCED Motion Controls servo drives are available in many configurations. All models listed in the selection tables of thewebsite are readily available, standard product offerings.
ADVANCED Motion Controls also has the capability to promptly develop and deliver specified products for OEMs with volume requests. Our Applications and Engineering Departments will work closely with your design team through all stages of development in order to provide the best servo drive solution for your system. Equipped with on-site manufacturing for quick- turn customs capabilities, ADVANCED Motion Controls utilizes our years of engineering and manufacturing expertise to decrease your costs and time-to-market while increasing system quality and reliability.
Examples of Customized Products
Integration of Drive into Motor Housing
Integrate OEM Circuitry onto Drive PCB
Mount OEM PCB onto Drive Without Cables
Custom Control Loop Tuned to Motor Characteristics
Multi-axis Configuration for Compact System
Custom I/O Interface for System Compatibility
Custom PCB and Baseplate for Optimized Footprint
Preset Switches and Pots to Reduce User Setup
RTV/Epoxy Components for High Vibration
Optimized Switching Frequency
OEM Specified Connectors for Instant Compatibility
Ramped Velocity Command for Smooth Acceleration
OEM Specified Silkscreen for Custom Appearance
Remove Unused Features to Reduce OEM Cost
Increased Thermal Limits for High Temp. Operation
Application Specific Current and Voltage Limits
Feel free to contact Applications Engineering for further information and details.
Available Accessories
ADVANCED Motion Controls offers a variety of accessories designed to facilitate drive integration into a servo system.
Visit www.a-m-c.com to see which accessories will assist with your application design and implementation. Power Supplies
Shunt Regulators
Filter Cards
Drive(s)
To Motor
All specifications in this document are subject to change without written notice. Actual product may differ from pictures provided in this document.
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