rev.

page

date

DESCRIPTION: incremental encoder

2 of 3

12/14/2007

20050

phone

phone 503.612.2300 fax

fax 503.612.2383

PART NUMBER: MEH30

OUTPUT WAVEFORM

Clockwise rotation viewed from front

T

Phase A

Phase B

Phase Z

T±T/2

H

L

H

L

H

L

T

8

T

8

±

(90˚± 45˚)

Counter Clockwise rotation viewed from front

T

Phase A

Phase B

Phase Z

T±T/2

H

L

H

L

H

L

T

8

T

8

±

(90˚± 45˚)

The position of Z phase against A, B phase is not specified

CIRCUIT CONNECTIONS

30mA

max

CABLE SHIELD

20mA

max

CABLE SHIELD

+5V

Red

A/B/Z

0V

Black

+5V

Red

A/B/Z

0V

Black

26C31

CABLE SHIELD

+5V

Red

A/B/Z

0V

Black

A/B/Z

White

Green

Yellow

White

Green

Yellow

White

Green

Yellow

White/Black

Green/Black

Yellow/Black

Voltage Output

Line Drive Output (E)

Open Collector Output (C)