GSA-A Series Single-Turn Analog Absolute Rotary Encoder

short description:

GSA-A Series Single-Turn Analog Absolute Rotary Encoder is ideal for a wide variety of industrial applications that require absolute positioning output. Its fully digital output technology make it an excellent choice for all applications, especially ones with a high presence of noise.The encoder provides 3 options of output :0-10v, 4-20mA, 0-10k Available with either round servo or square flange mounting, and a variety of connector and cabling options, GSA-A Series is easily designed into a variety of application requirements. With its wide selection of shaft sizes supported by industrial grade, NMB bearings,and its optional IP67 seal, it is ideal for tough environments.Housing Dia.:38,50,58mm; Solid/Blind hollow Shaft Diameter:6,8,10mm; Resolution:Max.8192ppr;

Housing Diameter:38,50,58mm;

Solid/hollow Shaft Diameter:6,8,10mm;

Resolution:8192ppr

Supply Voltage:5v,8-29v;

Analog Output:0-10V, 4-20mA

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Product Detail

1. Product Overview

Parameter	Description
Product Name	GSA-A Series Single-Turn Analog Absolute Rotary Encoder
Main Applications	Industrial control and measurement systems requiring absolute position feedback (e.g., machinery manufacturing, shipping, textiles, printing, aviation, military, testing machines, elevators, etc.)
Output Options	Analog (0-10V), 4-20mA, 0-10k
Mounting Options	Available with round servo mounting or square flange mounting
Key Components	Industrial-grade NMB bearings
Sealing Option	Optional IP67 seal
Certificates	CE, ROHS, KC, ISO9001

2. Mechanical Parameters

Parameter	Specification/Description
Housing Diameter	38 mm, 50 mm, 58 mm
Solid/Hollow Shaft Diameter	6 mm, 8 mm, 10 mm
Resolution	Single-turn, up to 8192 ppr
Start Torque	0.01 N·m
Max. Axial Load	5–30 N (axial); 10–20 N (radial)
Maximum Rotational Speed	3000 rpm
Weight	160 – 200 g

3. Electrical Parameters

Parameter	Specification/Description
Interface	Analog (0-10V), 4-20mA, 0-10k
Supply Voltage	Some models 5V; others 8–29V
Max. Frequency Response	30 kHz

4. Environmental Parameters

Parameter	Specification/Description
Operating Temperature	-30°C to 80°C
Storage Temperature	-40°C to 80°C
Protection Grade	IP54

5. Packaging and Lead Time

Parameter	Specification/Description
Packaging	Standard export packaging or customized as per buyer’s requirements
Lead Time	Shipped within one week after full payment; delivered by DHL or other agreed courier

6. FAQ (Frequently Asked Questions)

No.	Question	Summary Answer
1	How to select an encoder?	First, determine whether you need an incremental or an absolute encoder; if in doubt, contact the sales/service department.
2	What specifications are required before ordering?	Encoder type (solid shaft or hollow shaft), external diameter (min. 25mm, max. 100mm), shaft diameter (min. 4mm, max. 45mm), phase & resolution (min. 20 ppr, max. 65536 ppr), output mode (e.g., NPN, PNP, voltage, push-pull, line driver, etc.), and supply voltage (DC5V-30V).
3	How to choose the right encoder by yourself?	Verify the detailed specification description, check installation dimensions, and contact the supplier for more details.
4	What is the minimum order quantity?	The MOQ is 20 pieces; lower quantities are possible but may incur higher freight costs.
5	Why choose the “Gertech” brand encoder?	The encoder is designed and developed by our engineering team since 2004, with most components imported; manufactured in an anti-static, dust-free workshop, and ISO9001 certified.
6	What is the lead time?	3 days for samples; 7–10 days for mass production.
7	What is the warranty policy?	1-year warranty and lifetime technical support.
8	What are the benefits of becoming an agent?	Special pricing, market protection, and full support.
9	How to become a Gertech agent?	Send an inquiry; we will contact you as soon as possible.
10	What is the production capacity?	5000 pieces per week; a second-phase production line is currently under construction.

7. Installation and Precautions

No.	Instruction
1	Use an elastic soft coupling between the encoder shaft and the user’s output shaft to avoid damage due to misalignment or runout.
2	Pay attention to the allowable axial load during installation.
3	Ensure that the axial difference between the encoder shaft and the user’s output shaft does not exceed 0.20 mm, and the angular deviation is less than 1.5°.
4	Avoid impact, knocking, or dropping during installation.
5	Do not reverse the power line and the ground wire.
6	The GND (ground) wire should be as thick as possible (generally larger than φ3).
7	Output wires should not overlap with each other to prevent damage to the output circuit.
8	The signal wires should not be connected directly to a DC power supply or AC current to avoid damaging the output circuit.
9	Motors and other equipment connected to the encoder should be properly grounded to prevent static electricity.
10	Use shielded cables for wiring.
11	Check all wiring thoroughly before starting the machine.
12	For long-distance transmission, consider the signal attenuation factor and choose an output mode with low impedance and strong anti-interference capability.
13	Avoid using the encoder in strong electromagnetic interference environments.

8. Additional Information

Ordering Code & Dimensions: Detailed ordering codes and dimensional information were not provided in the original description. Please refer to the specific ordering documents or contact the supplier for further details.