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SROA79 Series

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Technical specifications

Application

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The SROA79 Crossed Shaft Coupling Encoder is an absolute rotary encoder, based on the cross-slider principle, and is suitable for applications where the shaft has significant eccentricity or axial runout.

The SROA79 Crossed Shaft Coupling Encoder is resistant to vibration and impact, high temperatures, and has a high protection rating, making it ideal for use in industries such as machine tools.

Product characteristics

Absolute positioning accuracy < ±50 arcseconds, repeatability accuracy < ±20 arcseconds;
RS485 interface, compatible with multiple communication protocols;
Bidirectional asynchronous serial communication, single-turn 17/23bit (up to 25bit), multi-turn 16bit;

Rigorous EMC testing, suitable for harsh electromagnetic environments;
Suitable for motors with a 130 flange or larger;
The peripheral structure, combined with the motor rear cover design, allows for easy replacement.

Product advantages

Higher precision and rigidity；

Vibration resistance, shock resistance, easy maintenance;

Effectively reduces the influence of motor heat conduction.

Technical specifications

System

Resolution	Single-turn: 17/23bit，25bit；Multi-turn: 16bit
Communication Specification	RS485
Baud Rate	2.5Mbps
Signal Format	Serial Communication Protocol

Electrical

Supply Voltage	5 V ± 5%
Main power supply current consumption (typical)	90mA
Differential Output Level	High level≥3.5V; Low level≤1.7V
Insulation Resistance	50MΩ
Edge Change Time	100ns

Environment

EMC Features	IEC61000-4
Operating Temperature	-20℃~105℃
Humidity	≤90%(40℃/21d, based on EN60068-2-78); No Condensing
IP Rating	IP 67
Shock	Impact acceleration 980m/s2 ，11ms； 3 times per direction, total 18 times
Vibration	The amplitude is 1.5mm between 10 ~ 55Hz; Acceleration of 98m/s2 between 55~2000 Hz ; 2 hours per axial (XYZ)