This preview shows page 1. Sign up to view the full content.
Unformatted text preview: sion of structure to be detected and possibly classification to standard
shapes, e.g. block, cylinder, sphere, cone inter alia. 9.2
Conditions for the
detection of objects 138 • Contacting or non-contacting
• Required distance between proximity sensor and object, possibly taking into
account any tolerances which may occur in respect of distance, e.g. in the case of
• Speed of a moving object or time during which the object is present or down
• Constant or changing sensing requirements, e.g. different position of object.
• Distance to adjacent objects, required resolution of interrogation.
• Type of background or area below © Festo Didactic GmbH & Co. KG • FP 1110 9. Selection criteria for proximity sensors 9.3
Installation conditions • Free space available (distance/volume) around sensing area. The need to use
miniature designs or remotely positioned proximity sensors when using fibre
optic attachments or pneumatic sensor heads. The necessity for detec...
View Full Document
This note was uploaded on 11/01/2012 for the course CHEMICAL 102 taught by Professor Jamesrodriguez during the Spring '12 term at Universidad Politécnica de Cartagena.
- Spring '12