Absolute Rotary Shaft Encoder, BISS-C/SSI

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SKU: SUCH-RE-SM39

$386.91

● Resolution 17~24 bit optional ● Communication format BISS_C/SSI ● Protection Rating IP65 ● Accuracy ±80″

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Overview
Specs
Application
FAQ
Reviews

Overview

The high-precision single turn absolute rotary shaft encoder is a compact, solid-shaft photoelectric encoder with optional BISS_C/SSI interface protocols. The SUCH non-contact rotary shaft encoder offers a resolution of 17~24 bits, an accuracy of ±80″, a start-up time of only 13ms, and can be used in temperatures ranging from -40℃ to +95℃. This micro absolute shaft encoder features a robust and durable stainless steel shaft, and its IP65 protection rating makes it suitable for factory environments. It is widely used in industrial automation fields such as servo motors and robotics.

Feature

Fast start-up and response times, resistant to high and low temperatures, and meeting diverse application requirements.
The compact encoder boasts a robust and durable structure, employing a non-contact photoelectric reflection principle for high stability.
This industrial-grade absolute rotary shaft encoder features high speed, high pulse output, and supports the BISS-C/SSI communication protocol.

Dimension (Unit:mm)

Absolute rotary shaft encoder size

Wiring

Line color	BISS_C single turn	SSI single turn	Function
Red	Up	Up	Power positive
Black	Un	Un	Power negative
White	SL-	DATA-	Data signal
White/Black	SL+	DATA+	Data signal
Green	MA-	CLOCK-	Clock signal
Green/Black	MA+	CLOCK+	Clock signal
Yellow	N.C.	Vbat	Backup power
Yellow/Black	N.C.	0V	0V

Specs

Basic Parameters
Scanning Principle	Photoelectric
Accuracy	±80″
Response Rotation Speed	6000 min^-1 (normal operation)
RMS Position Signal Noise	±2 @ 18 Bits/r
Communication Format	BISS_C/SSI
Communication Clock Frequency	≤10MHz (BISS) or ≤5MHz (SSI)
Resolution	17~24 bits
Startup Time	Typical: 13ms
Absolute Position Sampling Period	≤75ns
Permissible Speed	≤32200 r/min
Electrical Connection	Cable connection
Cable	Differential twisted pair
Cable Length	1m (Please contact us if other lengths are required)
Internal Single-Turn Position Update Rate	11.5kHz
Temperature Alarm Limits	-40℃~95℃
Mechanical Parameters
Mechanical Connection	Axial flange or slot fixing
Shaft Diameter	Φ6mm/Φ8mm/Φ10mm (D-type, solid shaft)
Shaft Material	Stainless steel
Starting Torque	Below 9.8*10^-3 N.m
Inertial Torque	Below 6.5*10^-6 kg.m²
Allowable Shaft Force	Radial 30N, axial 20N
Maximum Allowable Speed	≤6000rpm
Housing Material	Aluminum alloy
Weight	Approx. 130g
Environmental Parameters
Ambient Temperature	Operating: -40~+95℃ Storage: -40~+95℃
Ambient Humidity	Operating and storage: 35~85%RH (non-condensing)
Vibration	Amplitude 1.52mm, 5~55Hz, 2 hours in each of the three axes
Shock	980m/s², 11ms, 3 times in each of the X, Y, and Z directions
Protection Rating	IP65
Electrical Parameters
Power Supply Voltage	DC 5V
Operating Current	120mA
Backup Voltage	3.6V
Backup Current	35uA
BISS Communication Clock Frequency	10MHz
SSI Communication Clock Frequency	5.0MHz
Operating Ambient Temperature	-40℃~+95℃

Application

CNC Machine Tool

Robot

Motor

FAQ

Q1: What is an absolute encoder for shafts?❯

An absolute encoder provides position information of a rotating shaft within one or more revolutions. The encoder provides a unique digital code or bit for each increment of shaft rotation.

Q2: What are the main applications of encoders?❯

Encoder sensors are used in industrial equipment such as cutting machines, lathes, and milling machines to ensure precise positioning. Encoders are commonly used in PLC and automation applications to monitor and control machine movement and integrate with automatic control systems.

Q3: Do absolute encoders for rotating shafts require calibration?❯

Calibration is usually not required, but proper installation and regular checks help ensure the long-term accuracy of absolute encoders.

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Absolute Rotary Shaft Encoder, BISS-C/SSI

Feature

Dimension (Unit:mm)

Wiring

CNC Machine Tool

Robot

Motor

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