DC servo drive
Elmo Motion Control Gold Solo Whistle DC servo drive
Panel-mounted DC servo drive of 73.4 x 46.5 x 36.2 mm with continuous currents up to 20 A, up to 1.6 kW continuous, DC supplies up to 195 V, EtherCAT or CANopen and STO.
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Need Elmo Motion Control parts, a replacement or another suitable option? Send your part number or describe what the machine needs to do. We connect your requirement with experienced UK engineering and procurement support to help you get the right products, pricing and supply options. Your matched provider can take the enquiry through quotation and ordering to delivery and after-sales support.
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What are you specifying?
Select everything you need. A motor, drive and gearbox can be specified together as one axis.
Key specifications
| Voltage (max) | 195 V |
|---|---|
| Power (max) | 1,600 W |
| Feedback | BiSS, EnDat 2.1/2.2/3, HIPERFACE, HIPERFACE DSL, incremental, SIN/COS, SSI, resolver, digital Halls, Tamagawa, Panasonic, Sanyo Denki |
| Fieldbus | EtherCAT, CANopen, Ethernet, USB, RS-232 |
| Continuous current (max) | 20 A |
| Weight | 106 g |
| Safe torque off | STO |
Summarised in our own words from Bosch Rexroth AG (Bosch Group)'s published data; series maxima, individual models vary. Last checked 2026-10-30. Source 1
Notes on this data
Peak 2 x Ic (3.2 kW peak). IP not stated.
Specify Motion is not affiliated with Bosch Rexroth AG (Bosch Group). Elmo Motion Control and Gold Solo Whistle are used only to identify the product. Comparisons use published figures; always confirm against the current datasheet.
Elmo Motion Control Gold Solo Whistle replacement and alternative options
Use these supply-network options as a starting point for an engineering check. We can also help source the original Elmo Motion Control part. Published series figures do not establish an exact-model or drop-in replacement: confirm ratings, fit, interfaces and approvals for your application.
Single-axis 24-70 VDC servo drives from 5 to 60 Arms (180 A peak), in RS (Modbus/pulse/analogue) and CAN (CANopen/analogue) versions. They drive brushless, brushed and PMSM motors including ELVM, with STO SIL3 and backup logic supply on the 40/60 A models.
| Published maximum | Gold Solo Whistle | ELD2 Series Low-Voltage DC Servo Drives |
|---|---|---|
| Continuous current | 20 A | 60 A meets or exceeds |
| Peak current | — | 180 A |
| Power | 1,600 W | 2,500 W meets or exceeds |
| Axes | — | 1 |
Network-capable AMC digital drives spanning 10-747 VDC and 120-480 VAC, up to 150 A continuous and 250 A peak (27.4 kW peak power), in PCB, panel, machine and vehicle formats. They support almost any motor type and feedback, plus CANopen, EtherCAT, POWERLINK and Modbus.
| Published maximum | Gold Solo Whistle | DigiFlex Performance Servo Drives (DP,… |
|---|---|---|
| Continuous current | 20 A | 150 A meets or exceeds |
| Peak current | — | 250 A |
| Power | 1,600 W | 27,400 W meets or exceeds |
Kinco's new-platform AC servo drive for SMK motors, 400 W-7.5 kW on 220 or 380 V, with 17/23-bit absolute encoder support and RS485, EtherCAT or PROFINET variants.
| Published maximum | Gold Solo Whistle | FD5P (PRO) Series AC Servo Drives |
|---|---|---|
| Continuous current | 20 A | 26 A meets or exceeds |
| Peak current | — | 65.06 A |
| Power | 1,600 W | 7,500 W meets or exceeds |
Figures are the highest published for each series and are not always measured the same way. A higher figure is not automatically a better choice: mounting, duty cycle, feedback, connectors and approvals matter too. An engineer will check the fit against your application before recommending anything.
Typical applications
What a DC servo drive is
A DC servo drive controls a servo motor from a low-voltage DC supply, typically between about 12 and 100 V, such as a battery or a DC power supply. It uses a PWM power stage to regulate current in brushless or brushed motors, with current, velocity and position loops closed using encoder or Hall feedback. Many are compact, some palm-sized, with CANopen, EtherCAT, Modbus or pulse inputs. Higher current is needed for the same power than with mains drives.
When engineers choose a DC servo drive
Choose a DC servo drive for mobile robots, AGVs, battery equipment, medical devices and machines designed around safety extra low voltage. It allows simple distribution and safe access to live parts. The trade-offs are current and power: high currents need heavy cables and good connections, so power is typically limited to a few kilowatts. For mains-powered machines above that, an AC servo drive is usually more economical.
How to specify the Elmo Motion Control Gold Solo Whistle
Send these with your enquiry and an engineer can confirm the right Gold Solo Whistle variant or an equivalent:
- Supply voltage range (V DC)
- Continuous and peak current (A)
- Motor type: brushless, brushed, linear
- Feedback: encoder, Hall or absolute
- Interface: CANopen, EtherCAT, Modbus, pulse
- Safety functions and STO
- Size, mounting and cooling
Common mistakes to avoid
- Ignoring battery voltage swing from full to low charge
- Undersizing cables and connectors for high current
- Forgetting regenerative energy into the battery
- Overlooking grounding and EMC on low-voltage systems
Elmo Motion Control Gold Solo Whistle: frequently asked questions
Can you help replace Elmo Motion Control Gold Solo Whistle or source the original?
Send the full model code, quantity and required date. Our engineers can check original-part availability and assess suitable alternatives, including supply-network options where appropriate. We confirm compatibility and any changes needed before recommending a replacement.
What is the Elmo Motion Control Gold Solo Whistle?
Panel-mounted DC servo drive of 73.4 x 46.5 x 36.2 mm with continuous currents up to 20 A, up to 1.6 kW continuous, DC supplies up to 195 V, EtherCAT or CANopen and STO. Published series figures include voltage 195 V, power 1,600 W, continuous current 20 A, weight 106 g. It is made by Bosch Rexroth AG (Bosch Group); Specify Motion can help source it or propose an equivalent.
Who makes the Elmo Motion Control Gold Solo Whistle?
The Elmo Motion Control Gold Solo Whistle is made by Elmo Motion Control (Bosch Rexroth AG (Bosch Group)) and is listed here for engineers comparing options. Specify Motion is not affiliated with Bosch Rexroth AG (Bosch Group); brand names are used only to identify the product.
What is the voltage of the Elmo Motion Control Gold Solo Whistle?
The published series maximum voltage is 195 V. Individual models and sizes in the Gold Solo Whistle range vary, so check the exact variant against your duty cycle, mounting and environment, or ask our engineers to confirm the right size for you.
Is there an alternative to the Elmo Motion Control Gold Solo Whistle?
We can assess suitable replacement options. On published figures, Leadshine ELD2 Series Low-Voltage DC Servo Drives and ADVANCED Motion Controls DigiFlex Performance Servo Drives (DP, DZ, DV) are options to assess from our supply network. An engineer confirms the fit against your application before recommending anything.
Can a DC servo drive return energy to a battery?
Yes, during braking the motor regenerates energy into the DC bus, and with a battery it can be absorbed if the battery management system allows charging. Without a battery or with a full battery, voltage rises, so a braking resistor or clamp circuit may be needed. Check the drive's overvoltage threshold.
What size DC drive do I need?
Size the drive from the motor's continuous and peak current demands, the supply voltage range and the duty cycle. Allow margin above the motor's peak current and check how long the drive can deliver peak. Then confirm the interface and feedback types match the motor and controller.
Further reading: How to select a servo drive · How to select a pcb mount servo drive · Servo drives
Other dc servo drive series
Engineer support
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