PI M-228 Series, User Manual, Page: 39 / 49

10 Technical Data
M­­228 / M­­229 Linear Actuators MP86E Version: 2.0.0 35
In this Chapter
Specifications ............................................................................................................................... 35
Dimensions .................................................................................................................................. 38
Pin Assignment ............................................................................................................................ 41
10.1 Specifications
10.1.1 Data Table
Motion and positioning M­228.10S M­228.11S M­229.25S M­229.26S Unit Tolerance
Travel range 10 10 25 25 mm
Design resolution
(1)
0.00036 0.00061 0.00036 0.00061 µm Typ.
Minimum incremental
motion
(1)
1 1 1 1 µm Typ.
Backlash (2) 5 10 10 10 µm Typ.
Unidirectional
repeatability
±2 ±2 ±2 ±2 µm Typ.
Velocity 1.5 4 1.5 4 mm/s Max.
Reference switch
repeatability
1 1 1 1 µm Typ.
Mechanical properties M­228.10S M­228.11S M­229.25S M­229.26S Unit Tolerance
Drive screw type Leadscrew Leadscrew Leadscrew Leadscrew
Drive screw pitch 0.5 0.5 0.5 0.5 mm
Gear ratio 256/9 – 256/9 –
Push/pull force 20 50 50 80 N Max.
Drive properties M­228.10S M­228.11S M­229.25S M­229.26S Unit Tolerance
Motor type 2-phase
stepper motor
2-phase
stepper motor
2-phase
stepper motor
2-phase
stepper motor
Step resolution 24 400 24 400 Steps/
rev.
Nominal current per
phase
250 850 1000 850 mA Max.
Reference and limit
switches
Hall effect Hall effect Hall effect Hall effect
10 Technical Data