RS232 Absolute Encoder SAS/M58

The core components of the product are 100% China-localized, ensuring a stable supply chain and high-quality reliability.
Utilizing high-precision magnetic sensing technology, it provides both S: Single-turn and M: Multi-turn encoder solutions.
Equipped with a RS232 free communication interface, supporting flexible data transmission and seamless system integration.
Single-turn resolution up to S:21-bit, and multi-turn resolution up to M:14-bit, ensuring highly accurate measurement performance.
Features excellent resistance to shock and vibration, making it suitable for demanding industrial environments.
Built-in reverse-polarity and short-circuit protection effectively reduces the impact of installation errors on the encoder.

Product Specifications (RS232 Free Protocol Series)

Parameter	SAS/M58A (Solid Shaft)	SAS/M58C (Blind Hollow Shaft)
Design Feature	Ø 58 mm Solid Shaft	Ø 58 mm Blind Hollow Shaft
Shaft Diameter	Ø 6, 8, 10, 12, 15 mm (other sizes customizable)
Housing Material	Aluminum (optional stainless steel housing)
Signal Output Interface	RS232 Free Protocol
Baud Rate (bps)	4800; 9600; 19200; 38400; 57600; 115200
Address Range	0–99
Output Circuit	RS232 compliant, opto-isolated electrical interface
Function	Single-turn or Multi-turn
Supply Voltage	Standard 10–30 VDC
Single-turn Resolution	Standard 12-bit (4096), 13-bit (8192), 16-bit (65536), 18-bit (262144), up to 21-bit
Number of Turns	1 turn (single-turn); multi-turn standard 12-bit (4096 turns), optional up to 14-bit (16384 turns)
No-load Current	≤ 30 mA
Data Update Rate	Single-turn encoder: < 15 µs; Multi-turn encoder: < 1 ms
Signal Adjustment	Adjustable counts per revolution, adjustable total multi-turn count, adjustable direction, adjustable preset position, adjustable external zero position, baud rate, communication address, operating mode, etc.
Data Encoding	Hexadecimal
Protection Functions	Reverse polarity protection: Yes; Short-circuit protection: Yes; Lightning & ESD protection: Yes
Mechanical Performance	Maximum speed: 6000 r/min	Shaft load: radial 200 N, axial 100 N
Protection Class	IP65 or IP68
Starting Torque	< 0.01 Nm
Operating Temperature	−30 °C … +85 °C (custom −40 °C … +85 °C)
Storage Temperature	−40 °C … +100 °C
Environmental Resistance	Shock resistance: 1000 m/s², 6 ms (100 g)	Vibration resistance: 20 g
Connection Type	4×2×0.2 shielded cable (8 cores), M12 5-pin, M12 8-pin, M23 12-pin male flange connector
Cable Outlet Direction	Radial side outlet, axial rear outlet

Wiring Definition

Signal	0V	UB	RXD	TXD	GND	SET	Set-Allow	⏚
M23 Connector, 12-pin	1	2	3	4	6	5	7	8
Wire Color	White	Brown	Green	Yellow	Black	Gray	Blue	Shield

Pin Connector Top View

Connector Type	M12 5-pin Connector	M12 8-pin Connector	M23 12-pin Connector
Top View

Mounting Dimensions

SAS/M58A

SAS/M58B

SAS/M58C

SAS/M58D