
Functional Description Page 11
Multiaxis Motor Control BoardFebruary 2014 Altera Corporation
Table 4 lists the ADCs.
Encoder Interfaces
Figure 7 shows the encoder interface.
Table 4. ADCs
ADC Measured Quantity
Scaling
Factor
HSMC Signals
DC-link monitor DC-link voltage 0.048
HSMC_ADC_400V_PFC_V_DATA
DC-link monitor DC-link current 1.95
HSMC_ADC_400V_PFC_I_DATA
IGBT return IGBT return current 0.195
DRV_x_HSMC_MOTOR_RTN_DATA_OUT
Motor phase U Motor phase U current 0.195
DRV_x_HSMC_U_DATA_OUT
Motor phase W Motor phase W current 0.195
DRV_x_HSMC_W_DATA_OUT
Figure 7. Encoder Interface
5 V
3.3 V3.3 V3.3 V
3.3 V3.3 V
3.3 V
3.3 V
5 V5 V
3.3 V
3.3 V
x2
x2
6
6
6
SE to Diff
SD-ADC
10 MSPS
RS-485
Transceiver
RS-485
Transceiver
Isolator
RS-485
Transceiver
Isolator Isolator Isolator Isolator
2
2
2
2
2
2
6
Resolver
SinCos
Quadrature/
Hall Effect
M
EnDAT
BiSS
Hiperface
EnDat, BiSS, and
HiperFace DSL
Encoder Interfaces
Resolver Sine and Cosine
Encoder Interface
Quadrature and Hall Effect
Encoder Interface
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