SolderCurrent

Servo Stepper Motion Control: Controller, Integrated Step Servo, or Used Servo Motor?

Compare an add-on pulse controller, an integrated NEMA 34 step servo, and two used servo motors to decide which motion-control component matches your servo stepper project.

Last updated Aug 17, 2026

Quick Take

Servo stepper motion control projects rarely need every item in a listing. The four components here cover three distinct jobs: an add-on pulse controller, an integrated step servo, and two separate used servo motors. The practical question is not 'which is best' but 'which missing piece fits my system.' If you already have a motor and driver, the pulse controller is enough. If you want the motor and drive packaged together, the NEMA 34 integrated step servo is the route. If you are replacing or building an industrial axis, one of the used servo motors will be your focus. The price-spread table below puts the range in view, and the decision matrix directs you to the correct component.

Listed-Price Comparison

ProductListed PricePrice Bar
Indramat Rexroth MKD071B-061-KP1 Permanant Magnet Motor Servo Motor$550.00
Sure Servo motor SVL-210B in good cond for industrial automation and precision$699.00
SMC05 Stepper Servo Motor Pulse Controller with Forward/Reverse Speed Control$28.35
TSM34Q-6AG NEMA 34 Step Servo Integrated Motor w/ Q Programming and Modbus RTU$150.00

Decision Matrix

If you need...Start hereWhy
An add-on controller for forward/reverse pulse controlSMC05 Stepper Servo Motor Pulse ControllerNew controller with 20 motion modes and limit-switch inputs
A motor-drive combo in a NEMA 34 frameApplied Motion Products TSM34Q-6AGIntegrated step servo with Q programming and Modbus RTU
A used permanent-magnet motor for dust-prone or wet areasIndramat Rexroth MKD071B-061-KP1Dust-tight and water-jet protection plus insulation class F
An AC servo motor for industrial automationSure Servo motor SVL-210BUsed motor made in Japan with a 3000 r/min rated speed

Product Notes

Indramat Rexroth MKD071B-061-KP1 Permanant Magnet Motor Servo Motor

Indramat Rexroth MKD071B-061-KP1 Permanant Magnet Motor Servo Motor

This Rexroth servo motor is the one to weigh when the working environment is part of the decision. It is a permanent-magnet design with continuous torque capability and insulation class F (max 311°F). The protection list covers dripping water, spraying water, splashing water, water jets, dust protected, and dust tight. For a shop floor with coolant mist or dusty air, those ratings move it up the list. The limitation is also explicit: the motor is listed as used and untested. Buy it expecting to verify operation before it goes into a machine.

Sure Servo motor SVL-210B in good cond for industrial automation and precision

Sure Servo motor SVL-210B in good cond for industrial automation and precision

This is the only product in the set with a 1.0 kW, 200 VAC, 6.8 A AC servo specification. It is a used Sure Servo motor made in Japan, with a 3000 r/min rated speed and insulation class F. If you are repairing or extending an industrial axis that expects that power band, the specification is the reason to focus here. The condition is listed as used in good condition, but it is also the highest-priced item in this comparison, so the budget impact is the largest of the four. Choose it for the power class, not for the entry cost.

SMC05 Stepper Servo Motor Pulse Controller with Forward/Reverse Speed Control

SMC05 Stepper Servo Motor Pulse Controller with Forward/Reverse Speed Control

The SMC05 is the only new product in the group, and it occupies a very different position from the motors. It is a pulse controller, not a motor, and it has 20 motion modes, a 1.8-inch color screen, silicone keys, host-computer and app control, 12-24V input, four outputs, and four limit-switch inputs. That makes it useful for forward/reverse speed control when the motor and driver are already part of the system. The limitation is that the product is a controller rather than a motor or power stage, so the rest of the drivetrain has to come from elsewhere in your setup.

TSM34Q-6AG NEMA 34 Step Servo Integrated Motor w/ Q Programming and Modbus RTU

TSM34Q-6AG NEMA 34 Step Servo Integrated Motor w/ Q Programming and Modbus RTU

This TSM34Q-6AG combines a NEMA 34 step motor and a servo drive in one housing, which is a different layout from the two separate servo motors here. It is an Applied Motion Products unit with StepSERVO technology using space vector current control and a 20,000-count encoder for closed-loop operation. Q programming and Modbus RTU are also part of the feature set. The unit is used, and the rear-mounted drive needs an external DC supply in the 24 to 70 VDC range, so factor that supply into the rest of your build.

Final Recommendation by Use Case

  • Pick the SMC05 Stepper Servo Motor Pulse Controller ($28.35) when you already have a stepper or servo driver and only need a control interface.
  • Pick the TSM34Q-6AG NEMA 34 Step Servo Integrated Motor ($150.00) when you want a closed-loop NEMA 34 motor and drive together.
  • Pick the Indramat Rexroth MKD071B-061-KP1 ($550.00) when the working environment exposes the motor to moisture or particulates and you can accept a used, untested unit.
  • Pick the Sure Servo motor SVL-210B ($699.00) when your specification calls for a 1.0 kW, 200 VAC AC servo motor and you have room in the budget for the highest-priced item in this set.
Products in this article
Indramat Rexroth MKD071B-061-KP1 Permanant Magnet Motor Servo MotorUSD 550.00View on eBaySure Servo motor SVL-210B in good condUSD 699.00View on eBaySMC05 Stepper Servo Motor Pulse ControllerUSD 28.35View on eBayTSM34Q-6AG NEMA 34 Step Servo Integrated Motor w/ Q Programming and Modbus RTUUSD 150.00View on eBay
Indramat Rexroth MKD071B-061-KP1 Permanant Magnet Motor Servo MotorUSD 550.00View on eBaySure Servo motor SVL-210B in good condUSD 699.00View on eBaySMC05 Stepper Servo Motor Pulse ControllerUSD 28.35View on eBayTSM34Q-6AG NEMA 34 Step Servo Integrated Motor w/ Q Programming and Modbus RTUUSD 150.00View on eBay

You may also like

Finding more guides for you…