Aerotech BM Series, Руководство по оборудованию

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Introduction BM/BMS Series Hardware Manual
1-18 www.aerotech.com
1.6.1. Feedback Device Specifications
Table 1-13 contains the encoder specifications for the BM series brushless motors and
Figure 1-7 shows the phasing of sine, cosine, and marker channels for rotary encoders.
Table 1-13: Encoder Specifications
Parameters Values
Input Power 5VDC @ 400 mA max
Sink/Source Current 20 mA
Output Configuration Differential line driver (26LS31)
Output Frequency 100KHz (all channels)
Operating Temperature -10
°
C to 85
°
C
Storage Temperature
-30
°
C to 110
°
C
Resolution 1000 Cycles/Rev.
Commutation 4 Cycles/Rev.
Figure 1-7: Phasing of Sine, Cosine, and Marker Channels for Rotary Encoder
Table 1-14 contains the resolver specifications; for phase relationships of resolver
feedback signals, refer to Figure 1-6.
Table 1-14: Resolver Specifications
Parameters Units 5 kHz Operation 10 kHz Operation
Input Voltage Volts
rms
7 7
Input Current mA 70 Max 50 Max
Input Power Watts 0.31 Max 0.20 Max
Transformer Ratio Output/Input 0.5 0.5
Phase Shift
Deg
°
17 +/- 3 4 Max
Rotor DC Resistance Ohms 40 40
Stator DC Resistance Ohms 77 77
Null Voltage mV 20 20
Electrical Error Arc Min +/- 15 +/- 15
Output Voltage Volts
rms
3.5 3.5
Operating Temp
°
C
-55 to 155 -55 to 155