rev.

page

date

DESCRIPTION: incremental encoder

2 of 3

08/08/2007

20050

phone

phone 503.612.2300 fax

fax 503.612.2383

PART NUMBER: MEH9

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

20mA

max

CABLE SHIELD

0V

Black

Signal

A,B,Z

Vcc

Red

2.2k Ohm

20mA

max

CABLE SHIELD

Open Collector Output

Vcc

Red

Signal

A,B,Z

0V

Black

White

Green

Yellow

White

Green

Yellow

Voltage Output