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Solo Whistle

Solo Whistle - Integrated Whistle Solution
Integrated Whistle Solution

The Solo Whistle is an integrated solution designed to simply and efficiently connect Elmo's Whistle Servo Drive directly to the application. The solution consists of the Whistle, plus a helpful connection interface that can either eliminate or reduce the development time and resources required to design the PCB for an application. Solo Whistle Highlights:
  • Advanced motion control capabilities in a highly compact package
  • Supports a wide variety of feedbacks
  • High level programming environment
  • Highest power density incorporated with Elmo’s SimplIQ core servo and motion rich capabilities
  • Mountable anywhere-in the motor, in the machine, on the load, attached to the moving part, etc.
  • Ready-to-use, no need for PCB design


The Solo Whistle is available in two auxiliary feedback configurations.
  • The Solo Whistle with Auxiliary Input Feedback is an integrated solution that receives either the position command data of the master encoder (in follower or ECAM mode), or a pulse and direction command. The input feedback configuration is indicated by the last two digits of the product part number: 05 up to 08.
  • The Solo Whistle with Auxiliary Output Feedback provides the main or emulated differential buffered auxiliary incremental encoder signals. This configuration is indicated by the last two digits of the product part number: 01 up to 04.
As with other Elmo SimplIQ digital products, the Solo Whistle can be easily set up and tuned with Elmo's Composer software tools.


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 rate four times current loop sample time
  • Fast event capturing inputs
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
  • PT and PVT motion modes
  • Dual (position/velocity) loop
  • Fast output compare OC)
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
Fault Protection
  • 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
Dimensions
58.25 x 28.5 x 46.5 mm (2.29" x 1.12" x 1.83")


Standard and Advanced Models

Feature
Standard
Advanced
CANopen interface (DS 301, DS 402)
Yes
Yes
Current mode
Yes
Yes
Velocity mode, follower
Yes
Yes
Position jog, follower, point-to-point
Yes
Yes
Pulse and direction input
Yes
Yes
Dual loop, velocity and position
No
Yes
PT position versus time mode
Yes
Yes
PVT position and velocity versus time
Yes
Yes
ECAM / Follower
No
Yes
Overall user program size
2 KB
32 KB