attoPUBLICATIONS brochure_nanopositioning-motion_sensing | Page 9

Step 2
Type of Motion
Scanning Linear Movement Rotary Movement Goniometric Movement
Scanner
" ANS "
Lin . Positioner
" ANP " or " ECS "
Rotators
" ANR " or " ECR "
Goniometers
" ANG " or " ECG "
Step 3
Position Control
Internal position control needed
No or external position control
Encoder No Encoder
For ANP For ECS
Resistive Encoder "/ RES "
Optoeletronic Encoder "/ NUM " or "/ NUM +"