Specifications Xenus XSL User Guide
54 Copley Controls Corp.
3.14: Hall Switch Inputs
Channels 3
Type 74HC14 Schmitt trigger w/ RC Filter
10 k pull up resistor to internal +5 Vdc
Input Voltage Range 0 Vdc - +28 Vdc
Low Level Input Voltage < +1.35 Vdc
High Level Input Voltage > +3.65 Vdc
Scan Time
67 µSec
RC Filter Time Constant
33 µSec
Function Commutation of brushless motors in trapezoidal mode.
Commutation initialization and phase error detection in sinusoidal mode.
3.15: Resolver Interface
Type Transmit, 1:1 to 2:1 transformation ratio
Resolution 14 bits (equivalent to a 4096 line quadrature encoder)
Reference Frequency 7.5 kHz
Reference Voltage 3 Vrms, auto-adjustable by amplifier to maximize feedback
Reference Max Current 100 mA
Max RPM 10,000
Function Incremental or analog encoder or resolver required for sinusoidal commutation
and position or velocity modes of operation.
Type Transmit, 1:1 to 2:1 transformation ratio
3.16: Encoder Outputs
Channels 3
Type Differential, RS-422 line driver (26C31)
Signals A, /A, B, /B, X, /X
Function
Programmable
Buffered primary incremental encoder
Emulated from analog encoder
Emulated from resolver
Maximum Frequency
Buffered
Emulated
5 MHz Line (20 Mcount/sec)
4.5 MHz Line (18 Mcounts/sec)
3.17: Serial Interface
Channels 1
Type RS-232
Signals Rxd, Txd, Gnd
Baud Rate 9,600 to 115,200 (defaults to 9600 on power up or reset)
Data Format N, 8, 1
Flow Control None
Protocol Binary or ASCII format
Function Set up, control and diagnostics status
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