Safety information Introduction Product information System configuration
Mechanical
Installation
Electrical Installation
Unidrive M Modular Installation Guide 87
Issue Number: 2
6.13.4 Position feedback terminal specifications
1
A,F, Cosref, Data, Cos H
2
A\,F\ Cosref\, Data\, Cos L
AB (0), FD (1), FR (2), AB Servo (3), FD Servo(4), FR Servo (5
)
Type EIA 485 differential receivers
Maximum input frequency 500 kHz
Line loading
Line termination components
120 Ω
(switchable)
Working common mode range –7 V to +12 V
SC Hiperface (7), SC EnDat (9), SC SSI (11), SC Servo (12),
SC SC (15)
Type Differential voltage
Maximum Signal level
1.25 V peak to peak (sin with
regard to sinref and cos with
regard to cosref)
Maximum input frequency See Table
Maximum applied differential voltage and
common mode voltage range
±4 V
Resolution: The sine wave frequency can be up to 500 kHz but the resolution is
reduced at high frequency. Table shows the number of bits of interpolated
information at different frequencies and with different voltage levels at the drive
encoder port
EnDat (8), SSI (10), BISS (13)
Type EIA 485 differential receivers
Maximum input frequency 4 MHz
Line loading
Line termination components
120 Ω
(switchable)
Working common mode range –7 V to +12 V
Resolver (14)
Type 2 Vrms sinusoidal signal
Operating Frequency 6 - 8 kHz
Input voltage 0.6 Vrms
Common to All
Absolute maximum applied voltage relative to 0V -9 V to 14 V
3
B, D, R Sinref, Clock, Sin H
4
B\, D\, R\, Sinref\, Clock\, Sin L
AB (0), FD (1), FR (2), AB Servo (3), FD Servo(4), FR Servo (5
)
Type EIA 485 differential receivers
Maximum input frequency 500 kHz
Line loading
Line termination components
120 Ω
(switchable)
Working common mode range –7 V to +12 V
SC Hiperface (7), SC EnDat (9), SC SSI (11), SC Servo (12),
SC SC (15)
Type Differential voltage
Maximum Signal level
1.25 V peak to peak (sin with
regard to sinref and cos with
regard to cosref)
Maximum input frequency See Table
Maximum applied differential voltage and
common mode voltage range
±4 V
Resolution: The sine wave frequency can be up to 500 kHz but the resolution is
reduced at high frequency. Table shows the number of bits of interpolated
information at different frequencies and with different voltage levels at the drive
encoder port
EnDat (8), SSI (10), BISS (13)
Type EIA 485 differential receivers
Maximum input frequency 4 MHz
Line loading
Line termination components
120 Ω
(switchable)
Working common mode range –7 V to +12 V
Resolver (14)
Type 2 Vrms sinusoidal signal
Operating Frequency 6 – 8 kHz
Input voltage 0.6 Vrms
Common to All
Absolute maximum applied voltage relative to 0V -9 V to 14 V