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VLC-ETC Single Axis EtherCAT Servo Drive
Brand: SMAC CorporationThe VLC-ETC is an EtherCAT servo drive that is based on SMAC's VLC 1-axis integrated controller/driver and an additional layer that provides the EtherCAT connectivity.
The VLC part is pre-programmed with system macros to accommodate control and monitoring functionalities of the servo drive.
Additional macros can be programmed in the VLC to perform subroutines/functions that can be called from the EtherCAT master.
Background knowledge on the VLC is required to configure the servo parameters of the VLC-ETC.
Specifications
Brand
Description
- EtherCAT servo drive
Operating Modes
- Position
- Velocity
- Torque
- Current
- Homing
- Phasing
Filter Algorithm
- PID
Maximum Servo Loop Rate
- 100 μS
Trajectory Generator
- Trapezoidal
Servo Position Feedback
- Incremental Encoder with Index
Output (Standard)
- PWM (space-vector-modulated)
- 3.5 Amps Cont. and 6.5 Amps Peak (with proper heat mitigation) at 50 Vdc Max.
Motor Type
- 3-Phase Brushless
- DC brushed
- Linear voice coil
PWM Frequency
- 20.0 kHz
Current Resolution
- 5.66 mA
Encoder and Index Input
- Differential
Encoder Supply Voltage
- 5 Vdc
Encoder Input Voltage
- 5.5 Vdc Max., -0.1 Vdc Min.
Encoder Count Rate
- 40 million encoder counts per Second
Position Range
- 31 Bits
Velocity Range
- 31 Bits
Acceleration Range
- 31 Bits
Digital I/O
- 4x Opto-Isolated Digital Inputs w/ common: 24 V Level Input
- 4x Solid-state Relay Outputs w/ common: 200 mA Current Tolerant to 60 V
Analog I/O
- Input: 1 Channel (differential), 0 to ± 10 V With 12-Bit Resolution.
- Output: 1 Channel, 0-10 V With 12-Bit Resolution.
STO (Safe Torque Off)
- 2x Opto-Isolated STO Inputs: 24 V Level Input
- 1x Opto-Isolated STO Feedback Output: 200 mA Current Tolerant to 60 V
LEDs
- 2 x 2 LEDs: EtherCAT LED: Run (Green), Error (red) Servo Drive LED: Power ON (Green), Fault (red)
Communication Interface
- 1x serial/UART (micro USB port): 9600 baud default, selectable between 2400 - 460800 2x EtherCAT RJ-45 ports
Protections
- Driver overtemperature at 150° C Overcurrent Overload Reverse polarity connection I 2T (excessive) servo position error
VLC Program Space
- Macro storage: 53728 bytes Max. number of macros: 512 Max. number of program registers: 2048