SSI Absolute Encoder SAS/M58

Core components are 100% localized, ensuring stable supply chain and high-quality reliability.
High-precision magnetic sensing technology, supporting single-turn and multi-turn encoder configurations.
SSI interface, clock frequency up to 2 MHz, enabling high-speed and accurate data transmission.
Optional incremental signal output (TTL / HTL) for diversified control system requirements.
Resolution: Single-turn up to 21 bits, Multi-turn up to 14 bits, ensuring high-accuracy position measurement.
High resistance to shock and vibration, protection class up to IP68, suitable for harsh environments.
Built-in reverse-polarity and short-circuit protection, effectively reducing installation-related risks.

Product Specifications (SSI Output Series)

Parameter	SAS/M58A (Solid Shaft)	SAS/M58C (Blind Hollow Shaft)
Features	Ø 58 mm solid shaft	Ø 58 mm blind hollow shaft
Shaft Diameter	Ø 6, 8, 10, 12, 15 mm (other sizes on request)
Housing Material	Aluminum (stainless steel optional)
Signal Output Interface	SSI; SSI + Incremental
Max. Response Frequency	2 MHz
Power-On Time	< 1 s
Output Driver	SSI (RS422) / Incremental (RS422)
Function	Single-turn or Multi-turn
Supply Voltage	10–30 VDC (standard)
Single-turn Resolution	Standard: 12 bit (4096), 13 bit (8192), 16 bit (65536), 18 bit (262144), max. 21 bit
Number of Turns	1 turn (single-turn); multi-turn standard 12 bit (4096 turns), max. 14 bit (16384 turns)
Power Consumption	≤ 1.5 W
Interface Cycle Time	≥ 16 μs
Manual Functions	Rotation direction, preset (zero setting)
Code	Gray code or Binary code
Clock Input / Rate	Clock input: RS422; Clock rate: 100 kHz – 2 MHz
Protection	Reverse polarity protection: Yes; Short-circuit protection: Yes; Surge & ESD protection: Yes
Mechanical Performance	Max. speed: 6000 rpm	Shaft load: radial 200 N, axial 100 N
Environmental Conditions	Protection class: IP65 or IP68; Starting torque: < 0.01 Nm
Temperature Range	Operating: −30 °C … +85 °C (−40 °C … +85 °C optional); Storage: −40 °C … +100 °C
Mechanical Strength	Shock resistance: 1000 m/s², 6 ms (100 g); Vibration resistance: 20 g
Connection / Cable Exit	Connection: shielded cable, M12 5/8-pin, M23 12-pin male; Cable exit: radial side or axial rear
Options	Incremental output TTL / RS422, HTL / Push-pull
Incremental Signals	A+ A− B+ B− Z+ Z−
Pulses per Revolution	1 to 4096 pulses selectable (standard: 1024, 2048, 4096)

Wiring Definition

Signal	GND	UB	C+	C-	D+	D-	SET	DIR	⏚
M23 Connector, 12-pin	1	2	3	4	5	6	7	8	-
Wire Color	White	Brown	Green	Yellow	Gray	Pink	Blue	Black	Shield

Signal	A	A-	B	B-	Z	Z-
M23 Connector, 12-pin	9	10	11	12	-	-
Wire Color	Red	Pink/Gray	Purple	Red/Blue	-	-
Notes	1. When using an M23 12-pin counterclockwise socket, only A and B signals are provided by default; full signals are optional. 2. Incremental output default: 1024 PPR.

Pin Connector

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

Mounting Dimensions

SAS/M58A

SAS/M58B

SAS/M58C

SAS/M58D