X-RST-AE Series

High precision, high load motorized rotary stages with built-in controllers and direct encoders

Photo of the X-RST240B-AE56

Image is representative of the X-RST-AE Series and may not match the selected variant.

X-RST240B-AE56

360 Degree Rotation | 240 mm Diameter | Fine Resolution | High Torque | Large Aperture

Starting Price: $21,087 *

Standard Lead Time: 7-10 Days

X-RST240B-AE56 Specifications

Download Datasheet
Microstep Size (Default Resolution) 0.00027574° (4.812 µrad)
Built-in Controller Yes
Range +/- 360°
Accuracy (unidirectional) 0.008° (0.1396 mrad)
Repeatability < 0.0015° (< 0.026 mrad)
Backlash < 0.005° (< 0.087 mrad)
Maximum Speed 60°/s (10 rpm)
Encoder Count Size 0.00003814°/count (0.137 arcseconds/count)
Minimum Speed 0.000168°/s (2.932 µrad/s)
Speed Resolution 0.000168°/s (2.932 µrad/s)
Encoder Resolution 23600 CPR (94400 states/rev)
Encoder Type Direct reading optical encoder
Communication Interface RS-232
Communication Protocol Zaber ASCII (Default), Zaber Binary
Data Cable Connection Locking 4-pin M8
Maximum Torque 70 N⋅m (51.66 lb⋅ft)
Maximum Continuous Torque 45 N⋅m (33.21 lb⋅ft)
Maximum Centered Load 3000 N (672.8 lb)
Maximum Moment (Tilt) 200 N⋅m (147.6 lb⋅ft)
Stage Top Dimension 240 mm (9.449")
Radial Error Motion +/- 2.5 µm (+/- 0.000098")
Axial Error Motion < 4 µm (< 0.000157")
Tilt Error Motion +/- 0.003° (+/- 52.36 µrad)
Bearing Plane Offset 30.75 mm (1.211")
Stiffness (Tilt) 8000 N⋅m/° (2.2 µrad/N⋅m)
Power Supply 24-48 VDC
Power Plug 2-pin Screw Terminal
Maximum Current Draw 3600 mA
Angular Motion Per Motor Rev 3.5294°
Motor Steps Per Rev 200
Motor Type Stepper (2 phase)
Motor Rated Current 3000 mA/phase
Motor Winding Inductance 2 mH/phase
Default Resolution 1/64 of a step
Maximum Angular Momentum 1.6 kg⋅m2/s
Guide Type Crossed-Roller Bearing
Mechanical Drive System Precision Worm Gear
Limit or Home Sensing Optical Index Mark
Gear Ratio 102:1
Manual Control Yes
LED Indicators Yes
Mounting Interface M6 threaded holes and M8 mounting holes
Operating Temperature Range 0-50 °C
CE Compliant Yes
Vacuum Compatible No
Weight 15.6 kg (34.392 lb)

* These are our direct prices in USD to customers in North America. If you are in Canada, click the Canadian flag icon at the top right of the page to see CAD prices. If you are in a country outside North America where we have an exclusive distributor, please check with the distributor for pricing. Distributor prices might be slightly higher to factor in shipping and import fees. Click here for a list of Zaber's Distributors.

Specification Charts & Notes

Torque Speed Performance

Torque Speed Performance Chart of the X-RST240B-AE56