Interpolated analog (sine/cosine) encoder, Resolver – ElmoMC ExtrIQ Digital Servo Drives-Hornet User Manual
Page 64

Hornet and Bee Installation Guide
Technical Specifications
MAN-HRBEIG (Ver. 1.304)
64
4.6.2.3.
Interpolated Analog (Sine/Cosine) Encoder
Feature
Details
Analog encoder format
Sine and Cosine signals
Analog input signal level
•
Offset voltage: 2.2 V to 2.8 V
•
Differential, 1 V peak to peak
Input resistance
Differential 120 Ω
Maximum analog signal frequency
f
MAX
: 250 kHz
Interpolation multipliers
Programmable: x4 to x4096
Maximum “counts” frequency
80 mega-counts/sec “internally”
Automatic errors correction
Signal amplitudes mismatch
Signal phase shift
Signal offsets
Encoder outputs
See Auxiliary Encoder Outputs specifications ( 4.6.3)
4.6.2.4.
Resolver
Feature
Details
Resolver format
•
Sine/Cosine
•
Differential
Input resistance
Differential 2.49 kΩ
Resolution
Programmable: 10 to 15 bits
Maximum electrical frequency (RPS)
512 revolutions/sec
Resolver transfer ratio
0.5
Reference frequency
1/Ts (Ts = sample time in seconds)
Reference voltage
Supplied by the Hornet and Bee
Reference current
Up to ±50 mA
Encoder outputs
See Auxiliary Encoder Output specifications ( 4.6.3)