Servo Position Feedback printer friendly
Motion Coordinators support different options for position feedback from systems.  All Motion Coordinators can use incremental encoder feedback.  Dedicated position capture registers for each axis are standard (2 per axis on MC206X and PCI 208) for hardware registration. 5 volt differential inputs are used as standard.  Incremental encoders can be run at up to 6Mhz edge rate on MC302X, MC206X, PCI 208 and Euro205x.  On daughter boards the edge rate is 1.5 Mhz.  For more flexibility in position feedback,  systems using daughter boards can accept direct feedback from resolvers or SSI absolute encoders (including multi-turn devices).  Analogue inputs (using the P225 Analogue Input Daughter Board) can be used for 16 bit analogue feedback for up to 8 axes.
Features
Incremental encoder feedback to 6Mhz edge rate Dual feedback loops can be configured Position verification of stepper axes Resolver daughter board for direct resolver input SSI daughter board supports up to 24 bit absolute encoders Analogue inputs can be used as position feeback