Control Techniques SM-Resolver - Page 34

34 SM-Resolver User Guide
www.controltechniques.com Issue Number: 4
9
Resolver input SIN LOW
10
Resolver input SIN HIGH
11
Resolver input COS LOW
12
Resolver input COS HIGH
Type 2V rms (max) sinusoidal signal
Operating frequency 6kHz
Absolute maximum applied DC voltage (SIN
LOW or COS LOW) to 0V
±2.5V
Absolute maximum applied DC voltage (SIN
HIGH or COS HIGH) to 0V
±12V
Protection Series resistors and clamp diodes
13
Resolver excitation REF HIGH
14
Resolver excitation REF LOW
Type
6kHz sine wave synchronised to drive control
loops
Maximum load (minimum impedance) 85Ω
Nominal voltage
6V rms (turns ratio = 3:1)
4V rms (turns ratio = 2:1)
Absolute maximum applied DC voltage (REF
HIGH) with reference to 0V
±36V
Absolute maximum applied current (REF LOW) 200mA
Protection Over-current protection
15
0V
16
0V
17
0V
Total current for all 0V terminals of Solutions
Module
200mA