maxon EPOS2 50-5 Positioning Controller Review: Specs, Price and Applications
Updated: 7 days ago
maxon EPOS2 50/5 is a digital positioning controller for supported brushed DC and brushless EC motors. The manufacturer identifies an 11–50 VDC supply range and 5 A controller class, with CANopen-based integration and position, speed or current control scope.
Quick Verdict
A relevant controller to evaluate for a compatible installed or proposed motor system. Confirm current lifecycle/support status and the complete feedback and electrical configuration; a family performance-range headline does not establish continuous motor power in every application.
maxon EPOS2 50-5 Positioning Controller at a Glance
Role: Digital motor positioning controller
Supply range: 11–50 VDC
Controller class: 5 A; exact continuous/peak definitions apply
Motor scope: Supported brushed DC and brushless EC configurations
Control modes: Position, speed and current
Network scope: CANopen
Selection detail: Motor, feedback, host software and ordering-code compatibility
Published regional price reference: Part 347717: EUR 765.35, quantity 1–4; VAT/shipping excluded; USD order quoted separately
Price reference: maxon publishes EUR 765.35 per unit for part 347717 at quantities 1–4, excluding VAT and shipping. This is a regional reference, not a delivered US price; request a current USD quotation for the exact order.
Technical Specifications
Specification | Documented configuration |
Role | Digital motor positioning controller |
Supply range | 11–50 VDC |
Controller class | 5 A; exact continuous/peak definitions apply |
Motor scope | Supported brushed DC and brushless EC configurations |
Control modes | Position, speed and current |
Network scope | CANopen |
Selection detail | Motor, feedback, host software and ordering-code compatibility |
Published regional price reference | Part 347717: EUR 765.35, quantity 1–4; VAT/shipping excluded; USD order quoted separately |
Design and Build
The controller should be selected from the motor's voltage, current and feedback requirements. The supply ceiling and current class are not a universal mechanical power rating. Include the actual duty cycle and supply behavior, and confirm the controller's continuous and short-duration definitions in the hardware documentation.
A motion controller should be selected from an axis and interface plan. Identify each real motor, its drive command, its feedback and the signals shared with the machine. Then define any virtual reference axes and coordinated relationships. Physical ports, software axes and supported motion functions describe different resources. Treating those resources as interchangeable can leave a controller short of the connections needed by the machine.
Configuration and Integration

CANopen communication can connect the drive to a broader motion architecture, but the master and application determine the coordination. Define which node owns setpoints, sequencing and fault response. A single-axis controller can participate in a multi-axis system without providing every system-level trajectory or synchronization function on its own.
Programming needs to cover the complete machine sequence, including initial conditions, motion limits, communication errors and recovery. A successful demonstration move is only the beginning. Define which coordinate information remains valid after an interruption and which must be re-established. Coordinate transitions between motion groups and independent axes should be tested against the actual mechanical travel and load constraints.
Applications and Use Cases
Supported DC/EC motor positioning in a documented EPOS2 architecture.
EPOS2 is an established generation, so the maintenance and software support path matters alongside initial performance. Obtain current availability and support information for the exact part, and preserve the accepted host libraries and configuration. A newer EPOS4 alternative should be assessed for migration and interface differences rather than treated as an automatic plug-in replacement.
The controller's value lies in delivering the machine's required motion with an architecture that can be maintained. Axis count, language support and interface options are useful, but their practical value depends on the selected drives and application.
Alternatives and Selection
Compare EPOS2 50/5 with the exact EPOS4 or another controller using the same motor, feedback and duty. Include the cost of migrating host code and reproducing accepted behavior. Compare the complete configured electrical and software system rather than generation names alone.
Price and Value
Price reference: maxon publishes EUR 765.35 per unit for part 347717 at quantities 1–4, excluding VAT and shipping. This is a regional reference, not a delivered US price; request a current USD quotation for the exact order. Confirm the exact product, order quantity, regional currency and tax/shipping terms before purchasing. Any separately paid hardware, accessories, implementation and support need an explicit written scope, and the current delivered price should be distinguished from a published reference. The quotation should identify the exact product configuration, included options, delivery terms and support scope. Accessories and integration work should be listed separately so the hardware price can be compared on a like-for-like basis. A family name or headline specification is not a complete purchasing description.
Assess value against the work the product enables in the machine. Include the engineering needed to configure it, the equipment that must operate alongside it and the effort required to maintain or replace it. A lower component price can be outweighed by extra integration work, while additional features are valuable only when the application can use them. Compare written configurations rather than assumed package contents.
Pros and Cons
Pros
Defined motor-control modes and CANopen integration
Documented voltage/current scope for exact motor matching
Cons
Current support and compatible software stack need confirmation
Electrical class does not establish universal continuous motor power
Who Should Consider maxon EPOS2 50-5 Positioning Controller?
A relevant controller to evaluate for a compatible installed or proposed motor system. Confirm current lifecycle/support status and the complete feedback and electrical configuration; a family performance-range headline does not establish continuous motor power in every application.
The strongest purchasing case is a clearly defined requirement that matches the documented configuration. If the project depends on a particular option, interface or mechanical arrangement, include it explicitly in the order. Keep the accepted configuration with the equipment documentation so a later replacement preserves the intended application.
Commissioning and Acceptance
Evaluate the installed controller with the selected drives, encoders and mechanism. Test trajectory transitions, command handling and the expected production cycle, then check the response to interrupted feedback or communications using the machine's approved test procedure. Record the working controller configuration and application version so a replacement can reproduce the accepted behavior. Positioning accuracy is a result of the complete mechanical and control system.
maxon EPOS2 50-5 Positioning Controller FAQ
What is maxon EPOS2 50-5 Positioning Controller?
maxon EPOS2 50/5 is a digital positioning controller for supported brushed DC and brushless EC motors. The manufacturer identifies an 11–50 VDC supply range and 5 A controller class, with CANopen-based integration and position, speed or current control scope.
Which configuration is reviewed?
Role: Digital motor positioning controller. Supply range: 11–50 VDC.
What is the main selection consideration?
A relevant controller to evaluate for a compatible installed or proposed motor system. Confirm current lifecycle/support status and the complete feedback and electrical configuration; a family performance-range headline does not establish continuous motor power in every application.
What applications should it be considered for?
Supported DC/EC motor positioning in a documented EPOS2 architecture.
What is a documented advantage?
Defined motor-control modes and CANopen integration. Documented voltage/current scope for exact motor matching.
What limitation matters during integration?
Current support and compatible software stack need confirmation. Electrical class does not establish universal continuous motor power.
What is the price?
Price reference: maxon publishes EUR 765.35 per unit for part 347717 at quantities 1–4, excluding VAT and shipping. This is a regional reference, not a delivered US price; request a current USD quotation for the exact order.
How should an alternative be compared?
Compare EPOS2 50/5 with the exact EPOS4 or another controller using the same motor, feedback and duty. Include the cost of migrating host code and reproducing accepted behavior. Compare the complete configured electrical and software system rather than generation names alone.
Product information: Maxon supplier product information.
Confirm current published terms, compatible configuration and any separately quoted items, taxes, delivery or services.





