Miniature Absolute Shaft Encoder, PNP/NPN

SKU: SUCH-RE-NA

$540.88

● NPN/ PNP output optional ● Optional resolution 5~11 bit ● Power supply voltage DC 10.8~26.4V ● Maximum response frequency 20kHz

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🕒 Delivery date: 6-12 days

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Overview
Specs
Application
FAQ
Reviews

Overview

Miniature absolute shaft encoder for sale, high precision, high quality and small size, used for motor, robot arm, CNC machine tool and other electrical equipment. SUCH absolute rotary encoders output binary Gray code, with optional PNP/NPN output modes, 5~11 bit resolution, and a maximum response frequency of 20kHz. These high-quality miniature absolute encoders are vibration-resistant, shock-resistant, waterproof, and dustproof, making them suitable for most factory environments.

Feature

The robust cast aluminum housing is dust and water-resistant.
The small absolute encoder features a compact design and easy installation.
High precision, good stability, and Gray code output with no reading error.
The absolute shaft encoder uses a metal grating, making it shock-resistant and long-lasting.

Dimension (Unit:mm)

Absolute shaft encoder size

Output Circuit

NPN Output:

Absolute shaft encoder npn output

PNP Output：

Absolute shaft encoder pnp output

Specs

Mechanical Parameters
Starting Torque	<0.03 N·m (+20℃)
Shaft Inertia Torque	2*10⁵ kg·m²
Shaft Allowable Load	Radial: 50 N, Axial: 30 N
Maximum Allowable Speed	3000 rpm (continuous), 5000 rpm (instantaneous)
Cable	12-core shielded oil-resistant PVC cable (13 cores for 2048 resolution), outer diameter Φ7 mm (maximum Φ7.5 mm for 13 cores), core cross-sectional area 0.14 mm²
Weight	Approx. 300g (with 2m cable)
Electrical Parameters
Power Supply Voltage	DC 10.8~26.4V
Permissible Ripple	≤3%rms
Output Type	NPN open collector output / PNP open collector output
Output Level	NPN Output: Negative logic (active low)
Output Level	PNP Output: Positive logic (active high)
Inflow Current	NPN Output: 16mA, 32mA
Inflow Current	PNP Output: 30mA
Saturation Voltage	NPN output: ≤0.4V, ≤1.5V
Saturation Voltage	PNP output: ≤0.5V
Load Supply Voltage	≤DC30V
Current Consumption	NPN Output: ≤70mA
Current Consumption	PNP Output: ≤100mA
Output Code	Binary Gray code
Maximum Response Frequency	20kHz
Accuracy	[360/(resolution*2)]°
Rotation Direction	Forward/Reverse
ON/OFF Time	NPN Output: ≤2.0μs (load resistance 1kΩ)
ON/OFF Time	PNP Output: ≤3.0μs (load resistance 1kΩ)
Environmental Conditions
Ambient Temperature	Operating ambient temperature -10~+ 60℃
Ambient Temperature	Storage temperature: -25°C~+85°C
Operating Humidity	25~85%RH (non-condensing)
Voltage Withstand	None due to capacitor grounding
Insulation Resistance	≥10MΩ
Vibration Resistance (durability)	Displacement amplitude 0.75mm, 10~50Hz, 1 hour in each of the three axes
Shock Resistance (durability)	Above 600P: 0.35mm, 980m/s², 11ms, 3 times in each of the three axes
Protective Construction	IP65 (dustproof and drip-proof construction)

Application

CNC Machine Tool

Robot

Motor

FAQ

Q1: What is a miniature absolute shaft encoder?❯

A miniature absolute shaft encoder is a compact position sensor designed to measure the exact angular position of a shaft while occupying minimal installation space.

Q2: What are the advantages of miniature absolute encoders?❯

Key advantages include small size, light weight, high precision, fast response, low power consumption, and easy integration into space-limited designs.

Q3: Do miniature absolute encoders lose position after power off?❯

No. As absolute encoders, they retain position information and report the exact shaft position when power is restored.

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Miniature Absolute Shaft Encoder, PNP/NPN

Feature

Dimension (Unit:mm)

Output Circuit

CNC Machine Tool

Robot

Motor

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