Rockwell Automation System Design for the Control of Electrical Noise - Manual (Page 89)

Publication GMC-RM001A-EN-P — July 2001
Encoders 10-3
Power Supply Wiring
Options This section provides filtering options of power supply configurations
for your encoder. For more information regarding filters, refer to the
chapter Filtering Noise.
Figure 10.1
Linear power supply example
Figure 10.2
Switch-mode power supply example
+
5/12V dc Linear PSU
Segregation Filter
Dirty Zone
Clean Zone
Keep short or shield
(ground shield on both ends)
Insulated mounting and coupling preferred
Encoder Input
Encoder
com
AC
+
5/12V dc PSU
Segregation
Filter
Dirty Zone
Clean Zone
Keep short or shield
Insulated mounting and coupling preferred
Encoder Input
Encoder
com