RS-40 Compact Rotation Stage

With DC motor

With stepper motor

Active axes

Rotation

Rotation

Rotation range

360

360

°

Design resolution

0.45

38

µrad

Sensor resolution rotary encoder

2048

–

Cts./rev.

Minimum incremental motion

87

87

µrad

Typ.

Unidirectional repeatability

87

87

µrad

Typ.

Bidirectional repeatability

±700

±700

µrad

Typ.

Angular velocity

7

5

°/s

Max.

Eccentricity

±5

±5

µm

Typ.

Flatness

±5

±5

µm

Typ.

Wobble

±35

±35

µrad

Typ.

Bearing

Ball bearings

Ball bearings

Gear ratio

76:1

76:1

Worm gear ratio

90:1

90:1

Load capacity / axial force

20

20

N

Max.

Permissible lateral force

5

5

N

Max.

Holding torque in θ_Z, power off

0.20

0.20

Nm

Typ.

Permissible torque Mx in θ_X, θ_Y

2

2

Nm

Max.

Torque MZ in θ_Z, power on

0.2

0.2

Nm

Max.

Moment of inertia

0.0155

0.0155

kg·mm²

±20 %

Motor type

DC motor

2-phase stepper motor

Operating voltage, nominal

12

24

V

Nom.

Operating voltage, max.

24

24

V

Max.

Nominal current, RMS

0.04

–

A

Typ.

Peak current, RMS

0.16

–

A

Typ.

Torque constant, RMS

0.00826

–

Nm/A

Typ.

Electrical time constant

35

–

ms

Resistance phase-phase

60

12.5

Ω

Typ.

Inductance phase-phase

0.4

6.3

mH

Typ.

Back EMF phase-phase

–

4.4

V/kRPM

Max.

Reference switch

Hall effect, N/C contact, 3.8V to 24V, NPN

Hall effect, N/C contact, 3.8V to 24V, NPN

Operating temperature range

5 to 40

5 to 40

°C

Material

Aluminum

Aluminum

Mass

0.4

0.4

kg

Moved mass

0.088

0.088

kg

MTBF

10000

10000

h

Connector

D-sub 15 (m)

HD D-sub 15 (m)

Recommended controllers/drivers

C-863 (single axis)

C-884 (up to 6 axes)

C-885 with C-863.20C885 (to 40 axes)

ACS modular controller

C-663.12 (single axis)

SMC Hydra (double axis)

C-885 with C-663.12C885 (up to 20 axes)

ACS modular controller