Sin/cos encoder interface (encoder 1 and/or encoder 2)

  • Encoder 1: Connection to inverter: X15
  • Encoder 2: Connection to MOVISAFE® CSA31A: X17

Technical data

Value

Description

Pulses per revolution

128 – 8192

 

Input frequency

≤ 205 kHz

Maximum input frequency of the sin/cos tracks that is allowed to occur during operation without an error being detected or the evaluation being overloaded.

Signal level per individual signal

< 0.65 V

 

Differential signal level

  • 0.34 to 0.59 V
  • (Ax7W, Ex7S, AK8W, EK8S)
  • 0.22 to 0.65 V
  • (all others typically 0.5)

 

Level difference A – B

0.1 V

 

Offset track A/track B

≤ ±20 mV

 

Phase angle track A – B

90° ±4°

 

Maximum absolute value of the permanently applied input voltage on each encoder signal against GND

+5.8 V

 

Temporary for maximum 10 ms applied maximum value of input voltage on each encoder signal against GND

15 V

 

Minimum absolute value of the permanently applied input voltage on each encoder signal against GND

-10 V

 

Differential input resistance of each individual input signal of the encoder interface against GND

≤ 1 kΩ

 

Terminating resistor of encoder signal tracks A/A, B/B, C/C and of the data track (data+, data-)

120 Ω (-5% / +10%)

 

Max. length of the encoder cable

100 m