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Solo Guitar

Solo Guitar - High power and superior intelligence in a small package
High power and superior intelligence in a small package

Solo Guitar Highlights:
  • The Solo Guitar series of digital servo drives is designed to deliver the highest density of power and intelligence.
  • The Solo Guitar is designed for OEMs. It operates from a DC power source in current, velocity, position and advanced position modes, in conjunction with a permanent-magnet synchronous brushless motor, DC brush motor, linear motor or voice coil.
  • The Solo Guitar can operate as a stand-alone device or as part of a multi-axis system in a distributed configuration on a real-time network.
  • The Solo Guitar is equipped with four powerful digital outputs. It is designed to deliver up to 250 mA in each output when it is defined as general purpose applications or up to 500 mA when it is defined for braking applications.
  • The Solo Guitar provides two differential ports for Auxiliary feedback. The relevant functionality of Feedback B port is configured via the user interface.
  • The Solo Guitar provides an input for thermal motor protection. Digital input 1 is allocated for that purpose.
  • The Solo Guitar provides a "main differential buffered output" (not available for the Solo Guitar absolute feedback model ).
  • The Solo Guitar drive is easy to set up and tune with Elmo’s Composer software tools.
  • This Windows-based application enables users to quickly and simply configure the servo drive for optimal use with their motor.
  • The Solo Guitar, as part of the SimplIQ product line, is fully programmable with the Elmo Metronome motion control language.
  • The Solo Guitar delivers up to 4.8 kW of continuous power or 5.4 kW of peak power, package (46.7 x 61 x 80 mm or 1.84" x 2.4" x 3.15").
  • The Solo Guitar uses a 12 ~ 195 VDC isolated DC power source (not included with the Solo Guitar).
  • A “smart” control-supply algorithm enables the Solo Guitar to operate with only one power supply, with no need for an auxiliary power supply for the logic.
  • To back up and store control parameters in the event of a power outage, an external 12 ~ 195 VDC isolated supply can be connected to the Solo Guitar to maintain maximum flexibility and backup functionality when needed.

Current Control
  • Fully digital
  • Sinusoidal commutation with vector control or trapezoidal commutation with encoder and/or digital Hall sensors
  • 12-bit current loop resolution
  • Automatic gain scheduling, to compensate for variations in the DC bus power supply
Velocity Control
  • Fully digital
  • Programmable PI and FFW (feed forward) control filters
  • Sample rate two times current loop sample time
  • "On-the-fly" gain scheduling
  • Automatic, manual and advanced manual tuning and determination of optimal gain and phase margins
Position Control
  • Programmable PIP control filter
  • Programmable notch and low-pass filters
  • Position follower mode for monitoring the motion of the slave axis relative to a master axis, via an auxiliary encoder input
  • Pulse-and-direction inputs
  • Sample time: four times that of the current loop
  • Fast event capturing inputs
  • PT and PVT motion modes
  • Fast output compare (OC)
Advanced Position Control (in Advanced model only)
  • Position-based and time-based ECAM mode that supports a non-linear follower mode, in which the motor tracks the master motion using an ECAM table stored in flash memory
  • Dual (position/velocity) loop
Communication Options
(Depending on the application, Solo Guitar users can select from two communication options)
  • RS-232 serial communication
  • CANopen for fast communication in a multi-axis distributed environment
Feedback Options
  • Incremental Encoder - up to 20 Mega-Counts (5 Mega-Pulse) per second
  • Digital Halls - up to 2 KHz
  • Incremental Encoder with Digital Halls for commutation - up to 20 Mega-Counts per second for encoder
  • Interpolated Analog Sine/Cosine Encoder - up to 250 KHz (analog signal)
    • Internal Interpolation - up to x4096
    • Automatic Correction of amplitude mismatch, phase mismatch, signals offset
    • Auxiliary emulated, unbuffered, single-ended, encoder output
  • Resolver
    • Programmable 10~15 bit resolution
    • Up to 512 Revolution Per Second (RPS)
    • Auxiliary emulated, unbuffered, single-ended, encoder output
  • Tachometer, Potentiometer
  • Elmo drives provide supply voltage for all the feedback options
Feedback Options for Solo Guitar Absolute
  • Absolute Encoder
    • Heidenhain EnDat 2.1
    • Heidenhain EnDat 2.2 VER 01
    • Sick - Stegmann Hiperface
Fault Protection
(The Solo Guitar includes built-in protection against possible fault conditions, including)
  • Software error handling
  • Status reporting for a large number of possible fault conditions
  • Protection against conditions such as excessive temperature, under/over voltage, loss of commutation signal, short circuits between the motor power outputs and between each output and power input return
  • Recovery from loss of commutation signals and from communication errors

Standard and Advanced Models

CANopen interface (DS 301, DS 402)
Current mode
Velocity mode, follower
Position jog, follower, point-to-point
Pulse and direction input
Dual loop, velocity and position
PT position versus time mode
PVT position and velocity versus time
ECAM / Follower
Overall user program size
2 KB
32 KB