Rockwell Automation 21G PowerFlex 750-Series AC Drives Reference Manual - Manual (Page 164)

164 Rockwell Automation Publication 750-RM001F-EN-P - February 2012
Appendix A Specifications
Encoder Specifications Use Belden 9728 cable with the following encoder specifications.
Type Parameter Description
Generic
Incremental Incremental encoder support 5, 9, and 12V, differential A quad B
Differential input voltage (AM and BM) 1.0…7.0V
High threshold level, min 3.5V
Low threshold level, max 0.4V
DC current draw (AM and BM) 60 mA, max
Input signal frequency (AM and BM) 200 kHz, max
Cable length, max • 183 m (600 ft) max cable length with 12V encoder
• 30.5 m (100 ft) max cable length with 5V encoder
Generic
Sin/Cos AM/BM input frequency 100 kHz, max
AM/BM differential input voltage (p-p) 0.6…1.2V
Stegmann Sin/
Cos AM/BM input frequency 100 kHz, max
AM/BM differential input voltage (p-p) 1V ±10%