280mm Incremental Encoder with Extra Large Bore

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Ultra-rugged incremental encoder with large aperture up to 145mm
Through-hole encoders with flexible customized hole sizes
Pulse count up to 10,000 P/R, ultra-high anti-interference performance
Polymer grating, superb shockproof performance, protection level up to IP65
Perfect for large motors, traction machines, oil fields, ports, mining machines and automation industries.

280mm Incremental Encoder with Oversized Aperture - Civiti

Product Specifications (SAH280 Incremental Pulse Series)

Parameter Name	SAH280 (Large Aperture Through-Hole Type)
Enclosure Dimensions	Ø 280 mm
Spindle Dimensions	Through hole Ø 135...160mm
Housing Material	铝
Principle of Induction	Optics
Power supply voltage	5V ± 5% 10~30VDC 5~30VDC
Output Method/Signal	HTL/Push-Pull, TTL/RS422; Signal A B Z + A/ B/ Z/
Response frequency	300 kHz max
Physical Protection	Reverse polarity protection: Yes Short-circuit protection: Yes
Performance	Maximum rotational speed: 1500 rpm; Spindle load: Radial 300 N, Axial 10 N
Environmental Protection	Protection Rating: IP54, IP65; Operating Temperature: -25°C to +85°C (Customizable: -40°C to +100°C)
Starting Torque	5×10⁻¹ N·m Max.
Resistance Index	Impact resistance: 1000 m/s², 6 ms; Vibration resistance: 100 m/s², 10...200 Hz
Pulse Count Specifications	Common pulse counts: 1...10,000; supports customization for any specification within 10,000 pulses.

Electrical Connections (Wiring Definitions)

Signal	0V	UB	NC	NC	A	A-	B	B-	0	0-	Block
M23 connector, 12-pin	10	12	11	2	5	6	8	1	3	4	10
M12 connector, 8-pin	1	2	-	-	3	4	5	6	7	8	1
MIL Connector (MS Standard), 10-pin	F	D	E	A	G	B	H	C	I	J	F
Wire color	白	棕	-	-	绿	黄	灰	粉	蓝	黑	Block