May 28, 2026

OG-83-S-SN (OG83SSN1024 / EG7S)

OG-83-S-SN is a magnetic incremental encoder with sine and cosine output, specially designed and matched for SEW-EURODRIVE motors and drive systems. It is developed by Baumer and serves as a standard position and speed feedback component. Featuring robust mechanical structure and excellent anti-interference performance, this encoder delivers high-precision signal transmission for servo control in harsh industrial environments. It is widely used to replace the standard EG7S encoder of SEW, ensuring stable operation of the whole drive system.

Description

Model Explanation

OG83 represents the product series with an outer housing size of 83 mm and magnetic sensing technology. The letter S stands for solid shaft design. SN refers to B10 flange installation type without shaft seal. This standard model is configured with a resolution of 1024 pulses per revolution.

Technical Specifications

The official SEW part number of this encoder is 13630806. The operating supply voltage ranges from 7 VDC to 30 VDC, and the maximum working current is no more than 140 mA. It outputs standard 1 Vpp sine and cosine signals with a phase difference of 90 degrees plus or minus 3 degrees. The basic resolution is 1024 pulses per revolution. The maximum allowable mechanical rotating speed reaches 6000 rpm. The protection class is IP66. It adopts a solid shaft with a diameter of 14 mm and an M6 end thread, which is perfectly compatible with SEW DR160 to DR225 series motors. The operating temperature ranges from minus 20 degrees Celsius to plus 85 degrees Celsius, and the overall weight is approximately 0.5 kilograms.

Key Features

Adopting magnetic sensing technology, this encoder has outstanding resistance to shock and vibration, and it can work reliably in environments with oil contamination and dust. The sine and cosine output signals support high-precision speed and position feedback, meeting the high control requirements of servo systems. The aluminum alloy housing and stainless steel shaft enhance mechanical durability. With IP66 protection grade, it can adapt to various tough industrial working conditions. It is fully interchangeable with SEW original EG7S encoder, enabling convenient installation and replacement without extra modification.

Applications

This encoder is mainly applied to SEW DR160 to DR225 series servo motors. It is widely equipped on servo drives and frequency converters such as MOVIDRIVE and MDX series for closed-loop control. Typical application scenarios include automated conveying equipment, packaging machinery, machine tools and other general industrial automation facilities that require accurate motion feedback.

英文版

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OG-83-S-SN (OG83SSN1024 / EG7S)

Manufacturer: Baumer (for SEW-EURODRIVE)

Type: Magnetic incremental encoder, sine/cosine output

Model: OG83 S SN 1024 (common name: OG-83-S-SN)

SEW Part No.: 13630806

Model Decoding

OG83: Series, 83 mm housing, magnetic sensing
S: Solid shaft
SN: B10 flange, no shaft seal
1024: Resolution, 1024 PPR (pulses per revolution)

Technical Specifications

Supply Voltage: 7–30 VDC
Current Consumption: ≤ 140 mA (no load)
Output Signals: Sin/Cos, 1 Vpp, 90° ± 3° phase shift
Resolution: 1024 PPR
Max Mechanical Speed: 6,000 rpm
Protection Class: IP66 (EN 60529)
Shaft: Ø14 mm, solid shaft with M6 end thread
Housing: Aluminum; shaft: stainless steel
Operating Temperature: −20 °C to +85 °C
Weight: Approx. 0.5 kg
Certifications: CE, UL, RoHS
Compatibility: Direct replacement for SEW EG7S encoder

Key Features

Magnetic Sensing: High shock and vibration resistance; insensitive to oil and dust.
High-Precision Feedback: 1 Vpp sin/cos signals for accurate speed and position control in servo systems.
Robust Construction: IP66 protection, metal housing, stainless steel shaft for harsh environments.
Plug-and-Play: Fully interchangeable with SEW EG7S; fits SEW DR160–DR225 motors without modification.

Applications

Motor Compatibility: SEW DR160 to DR225 series servo motors.
Drive Systems: MOVIDRIVE, MDX series servo drives and frequency inverters (closed-loop control).
Industrial Fields: Conveying systems, packaging machines, machine tools, general automation requiring precise motion feedback.

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