iC-LSHB

INCREMENTAL PHOTOSENSOR ARRAY

Rev D1, Page 7/9

APPLICATION HINTS

NZ

ERR

Protection

iC-LSHB

SIGNAL

LEVEL

CONTROL

Reverse

iC-MQ

Disc

Polarity

SDA

GNDS

VDD

PA

NA

PB

NB

PZ

SCL

VDDS

GND

X2

X4

X3

X6

X5

PCOS

NCOS

NSIN

PZ

NZ

GND

VCC

X1

ACO

PSIN

5.6V

D1

100nF

C1

PCOS

NZ

NCOS

PSIN

NSIN

+

-

TVS-Diode-Array

100nF

C3

C2

100nF

C4

1μF

R2

2.2k

PZ

DLED

1k

R3

2.2k

R1

+

-

RLED

47

+

-

F1

DLED

100nF

C5

VN

VP

SDA

SCL

0V

+5V

NA

PA

NB

PB

NZ

PZ

ERR

I2C

24xx

C1

100nF

D1

5.6V

NCOS

PSIN

NSIN

PCOS

NZ

R1

2.2k

2.2k

R2

PZ

1μF

C4

100nF

C2

C3

100nF

TVS-Diode-Array

C5

100nF

F1

DLED

47

RLED

DLED

R3

1k

Figure 1: Example of incremental encoder with RS422 output

NC

PZ

NZ

SIGNAL

LEVEL

CONTROL

iC-LSHB

Protection

Reverse

iC-MSB

Disc

Polarity

X2

SDA

GNDS

VDD

PS

NS

PC

ERR

X1

NZ

PZ

ACO

SCL

VDDS

GND

VCC

PSIN

PCOS

NCOS

NSIN

X6

X5

X4

X3

PZ

GND

RLED

47

PSIN

C2

100nF

2.2k

R1

+

-

+

-

DLED

100nF

C3

100nF

C3

NZ

NSIN

PCOS

F1

D1

5.6V

NCOS

DLED

TVS-Diode-Array

+

-

1k

R3

100nF

C1

R2

2.2k

C4

1μF

24xx

I2C

0V

PS

NS

PC

NC

PZ

NZ

ERR

SCL

SDA

VP

VN

+5V

R1

2.2k

PSIN

100nF

C2

47

RLED

PZ

NSIN

PCOS

F1

5.6V

D1

C3

100nF

NZ

C3

100nF

DLED

TVS-Diode-Array

DLED

NCOS

1μF

C4

C1

100nF

2.2k

R2

R3

1k

Figure 2: Example of sine encoder with 1 Vpp output