Electrical

Excitation 

voltage

5 ± 0.5 Vdc

current 

150 mA + output current

Output voltage, each encoder

TTL compatible true square wave on output A (yellow) and B (orange).

High :

2.7V min. 

Low :

0.8V max.

Output current, each encoder

18 mA max sink.  Fan out of 10 TTL

Insulation, each encoder

>10 Mohms at 500V

Direction sensing :

+ X

XB leads XA by 90 ± 30°

+ Y

YA leads YB by 90 ± 30°

Resolution 

Typically :

1.5 inch ball 

150 pulses per ball revolution

2.0 inch ball

200 pulses per ball revolution

2.5 inch ball

250 pulses per ball revolution

3.0 inch ball

300 pulses per ball revolution

Mechanical

Storage temperature

MT4 series

-60°C to +90°C

MT6 series

-10°C to +55°C

Operating temperature

MT4 series

-40°C to +70°C

MT6 series

0°C to +50°C

Humidity

MT4 series

Up to 100% non-condensing

MT6 series

Up to 95% non-condensing

MTBF

Trackerball only

100,000 hours

2,000,000 ball revolutions

Assumes a level of routine maintenance.