B&R 8LSA35.EA060D000-3 6000 RPM Single-Turn Servo Motor with Inductive Encoder

The B&R 8LSA35.EA060D000-3 is a 6000 RPM synchronous servo motor designed for applications that prioritize absolute position sensing at a single rotor revolution, without the need for multi-turn tracking. This model offers a distinct feedback architecture compared to the DB series motors previously covered.

Understanding the Model Code and Architecture

The model code provides critical clues to the motor's configuration. The EA designation indicates a specific feedback and shaft/brake combination that differs from the DB variants. While DB models use the EQI 1331 FS multi-turn encoder with EnDat 2.2 for extended position tracking across 4096 revolutions, the EA series employs an ECI 1319 inductive single-turn encoder with EnDat 2.1 (EnDat01) interface .

This single-turn encoder provides high-precision absolute position within one mechanical revolution. However, unlike its multi-turn counterpart, it does not retain absolute position information across multiple shaft rotations when power is cycled. This makes the EA060D000-3 suitable for applications where the axis motion is contained within a single revolution or where a referencing routine at startup is acceptable.

Smooth Shaft and No Holding Brake

This motor is configured with a 14 mm smooth shaft (without keyway) and is supplied without an integrated holding brake . The smooth shaft design is optimal for friction-fit or clamping-type couplings (collet chucks, shrink-fit connections, clamping rings) that require high concentricity and zero-backlash transmission.

The absence of a brake reduces rotor inertia and overall motor weight, enabling faster acceleration and deceleration. This configuration is ideal for horizontal axes, continuously rotating machinery, or systems where external braking mechanisms are already in place.

Recommended Drive Compatibility

B&R recommends pairing this motor with the following drives :

• ACOPOS: 8V1045

• ACOPOSmulti: 8BVI0028

• ACOPOS P3: 4X5X

The stall current of 3.2 A serves as the baseline for drive selection; if the application requires more than double the stall torque during acceleration, a larger drive should be considered .

Key Features

• 6000 RPM nominal speed for high-throughput motion control tasks

• 1.60 Nm nominal torque with 9.20 Nm peak torque capability (575% overload)

• ECI 1319 inductive single-turn encoder with EnDat 2.1 interface

• Absolute position feedback within one mechanical revolution

• Smooth 14 mm shaft for friction-fit and clamping coupling installations

• No holding brake – lower inertia and faster dynamic response

• Self-cooling natural convection design eliminates external cooling requirements

• Single-turn feedback provides cost-effective positioning for limited-travel axes

• IP64 protection class for dust-tight and splash-proof industrial environments

• CE, UKCA, and cURus certified for global deployment

• Compact 8LSA35 frame for retrofit and new machine designs

Typical Applications

• Horizontal positioning axes without vertical load retention requirements

• Rotary indexing tables with travel limited to one revolution

• Belt-driven conveyor systems in packaging and material handling

• Print registration machinery requiring high-speed synchronization

• Labeling and cartoning equipment with continuous rotation

• Pick-and-place modules on horizontal gantries

• Light-duty robotic arms (non-vertical joints)

• Machine refurbishment projects requiring single-turn feedback replacement

Frequently Asked Questions (FAQ)

Q1: What is the key difference between EA060D000-3 and DB060 variants?

The primary difference is the feedback system and braking configuration.

Q2: Does this motor retain position after a power cycle?

Yes, but only within the current revolution. The single-turn encoder provides absolute position information for the rotor's angular position within one revolution. If the machine needs to know how many complete revolutions the shaft has turned after power loss, a multi-turn encoder (DB series) is required.

Q3: Can I use this motor for a vertical lifting axis?

Not recommended. This model does not include a holding brake. Without a mechanical brake, the load could drop when power is removed. For vertical lifting, select an 8LSA35 DB variant with an integrated brake.

Q4: What is the advantage of the inductive encoder on this model?

The ECI 1319 inductive encoder is robust and resistant to contamination from dust, oil, and moisture – common in industrial environments. It offers high precision without the vulnerability of optical encoder systems to dirt accumulation .

Q5: Is the smooth shaft suitable for pulley or sprocket installations?

Yes, but only with clamping-type or friction-fit couplings. For positive-lock keyed connections (timing pulleys with keyways, sprockets), the keyed shaft variant (S300) should be used.

Q6: What drives are compatible with this motor?

B&R recommends ACOPOS 8V1045, ACOPOSmulti 8BVI0028, and ACOPOS P3 4X5X drives . The stall current of 3.2 A should be used for drive sizing calculations .

Q7: What is the maximum rotational speed of this motor?

The maximum allowable speed is 9000 RPM .