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Summary of Contents for EVA EvoDrive ST-17
Page 1
EVA Robotics Evodrive ST-17 Stepper Servo Controller In Stock Qty Available: 1 New From Surplus Stock Open Web Page https://www.artisantg.com/95936-2 A l l t r a d e m a r k s , b r a n d n a m e s , a n d b r a n d s a p p e a r i n g h e r e i n a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s .
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EvoDrive ST-17 INTEGRATION MANUAL EVA Robotics | FW-UM002 Rev E | December 2013 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
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EVA Robotics Pty Ltd reserves the right to revise the content of this manual without obligation to notify any person or organisation of such revision or changes.
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EvoDrive ST-17 into your design. This manual should be read and understood together with the EvoDrive Programmers Manual. The EvoDrive ST-17 represents a paradigm shift in how stepper motors are controlled, and therefore how they can be used. As an open-loop controller the EvoDrive ST-17 provides the equivalent of 512 micro-step accuracy with exceptionally smooth current control.
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· Design aids are available for download from www.evarobotics.com. The EvoDrive ST-17 can operate in a closed-loop mode using any incremental encoder with a resolution of 2048 PPR or better (8192 counts after quadrature). The default encoder is an optical 16,384 count encoder.
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This section shows some possible configurations for mounting the EvoDrive ST-17 directly to a stepper motor. Note that the EvoDrive ST-17 control module does not need to be mounted directly to the stepper motor. The encoder (if fitted) should be mounted directly to the motor shaft, or via a rigid coupling.
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EvoDrive ST-17 Encoder M3 machine screw Motor Shaft 2 off, opposite corners Mates with Encoder Extra length extends through EvoDrive ST-17 Stepper Motor EvoDrive with Encoder, Single Shaft Motor EvoDrive ST-17 M3 machine screw 2 off, opposite corners Stepper Motor...
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EvoDrive ST-17 Integration Manual Mounting Pattern When mounting to a panel, bracket, or other component, the same mounting holes can be used. The hole pattern on the EvoDrive ST-17 Controller is shown below. All connectors are accessible from the top of the EvoDrive.
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Connectors This section will detail the connectors used for the motor drive, power supply, communications and I/O available on the EvoDrive ST-17. All connectors are rated for Extra Low Voltage (SELV) applications. If greater voltages than those specified in section 10 are applied, the safety of the final product may be compromised.
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EvoDrive ST-17 Integration Manual Standard Encoder – FW-A009 (16,384) count The 16,384 count encoder can be stacked with the EvoDrive ST-17 or mounted separately. For stacked mounting, interface cables are available from EVA Robotics (FW-C002) Mating Connector Molex C-Grid Housing 5057-9405...
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EvoDrive ST-17 Integration Manual Digital I/O The EvoDrive ST-17 has 4 digital inputs and outputs available for general use. They are provided on the I/O header as shown. For a full pin-out of the I/O header, including voltage and ground rails, refer to the previous section.
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EvoDrive ST-17 Integration Manual Serial Control The EvoDrive ST-17 is typically controlled via commands sent from a Host controller, on one of three serial interfaces, RS232, RS485, or USB (Virtual COM Port). See the EvoDrive Programmers Manual for more information about the communications interfaces and the serial commands available.
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EvoDrive ST-17 Integration Manual The pin-out for an RS232 connection to a PC is shown below. The development breakout cable, FW-C001, available from EVA Robotics, also provides this connection. To PC Female 9-pin Sub-D Pin Assignment EvoDrive 9-pin Sub-D Signal...
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RS485 host to ensure valid levels are always present. USB (Virtual COM Port) The easiest way to connect the EvoDrive ST-17 to a PC or laptop is via a USB cable as shown below. Any standard USB-A to USB-Mini B cable can be used.
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EvoDrive ST-17 Integration Manual Digital Control Triggered Programs The EvoDrive ST-17 can be controlled via its digital inputs rather than serial communications. Each digital input can be configured to perform a short (1 line) program, such as starting and stopping the motor, homing the motor, or moving to predefined positions.
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(by retrying a move or disabling the motor) the output is opened. Digital Input Step Control (CNC Control) The EvoDrive ST-17 can be configured to follow standard Step/Dir or CW/CCW digital signals used by most CNC motion controllers.
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EMF and allow margin for this. See the discussion on Back EMF below. The maximum input voltage of the EvoDrive ST-17 is 28VDC, so the recommended supply voltage for most applications is 24VDC.
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EvoDrive ST-17 Integration Manual Motor Selection The EvoDrive ST-17 can drive any bipolar or unipolar stepper motor with up to 3 amps winding current. Obviously your application will place size and power constraints on the stepper motor selection and that will normally determine the motor you will use.
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Open Loop · Open loop is cheaper since there is no need for an encoder. · The EvoDrive ST-17 will implement a quiet and smooth open loop control. · Little to no tuning is required to achieve tight, accurate control.
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EvoDrive ST-17 Integration Manual EvoLink EvoLink is the control and diagnostics software for the EvoDrive ST-17. It can be used during product development to help develop and tune applications. It can also be used in a production or service environment for configuration or debugging.
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Quick Points Gauge Controls · Emergency Stop. This button will immediately disable the EvoDrive ST-17 outputs and couple the motor windings together. · Information Panels. These provide status information on the EvoDrive ST-17 including I/O states and error conditions. ·...
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EvoDrive ST-17 Integration Manual Configuration Panel The Configuration panel allows the EvoDrive ST-17 configuration to be read, modified and saved. The EvoDrive configuration is all the non-volatile drive parameters. All configuration items are set programmatically. Where a configuration item is associated with a particular command, that command is shown in brackets ().
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The binary protocol debug tool is a software application that allows commands to be sent to the EvoDrive ST-17 using the binary command protocol. The software displays a component breakdown of the command and the reply. It also shows the commands in both their extended ASCII and Hex formats.
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