2
8902/RE Resolver Speed Feedback Option
Specifications – Resolver Interface (8902/RE and
8902/RR)
Maximum Speed
8902/RE:
Up to 50,000RPM (with 2 pole resolver )
8902/RR:
Up to 30,000RPM (with 2 pole resolver )
Carrier Output Signal
7Vrms, 8kHz
Maximum Carrier Supply
70mA rms
Maximum Input Voltage
±
12V peak
Accuracy
< 5 minutes
Resolution
Equivalent to 16 bits per electrical revolution
of resolver
Inputs
Differential inputs, Zin ~2 k
Ω
Maximum input voltage : 12Vpeak
Isolation None
Specifications – Emulated Encoder (8902/RR only)
Signal amplitude
Compatible with RS422 and RS485
Outputs
3 Differential pairs
Signal nomenclature
A and B quadrature
Z index pulse
Number of lines per revolution
1024
Isolation
Outputs are isolated from drive electronics
Recommended Spare Parts
We recommend that you keep one Option as a spare to reduce down-time.
