6

Recommended Operating Conditions

Parameter

Sym.

Min.

Typ.

Max.

Units

Notes

Temperature HEDS Series

-40

100

°C

Temperature HEDM Series

5500/5600

-40

70

°C

non-condensing

atmosphere

5540

-40

85

°C

Supply Voltage

4.5

5.0

5.5

Volts

Ripple < 100 mVp-p

Load Capacitance

100

pF

2.7 kΩ pull-up

Count Frequency

f

100

kHz

Velocity (rpm) x N/60

Shaft Perpendicularity

Plus Axial Play (HEDS Series)

± 0.25

(±0.010)

mm

(in.)

6.9 mm (0.27 in.)

from mounting surface

Shaft Eccentricity Plus

Radial Play (HEDS Series)

0.04

(0.0015)

mm (in.)

TIR

6.9 mm (0.27 in.)

from mounting surface

Shaft Perpendicularity

Plus Axial Play (HEDM Series)

± 0.175

(±0.007)

mm

(in.)

6.9 mm (0.27 in.)

from mounting surface

Shaft Eccentricity Plus

Radial Play(HEDM Series)

0.04

(0.0015)

mm (in.)

TIR

6.9 mm (0.27 in.)

from mounting surface

Note: The module performance is guaranteed to 100 kHz but can operate at higher frequencies. 2.7 kΩ pull-up resistors required for HEDS-

5540/5640 and HEDM-5540.

Encoding Characteristics

Part No.

Description

Sym.

Min

Typ.*

Max.

Units

HEDS-5500

HEDS-5600

(Two Channel)

Pulse Width Error

Logic State Width Error

Phase Error

Position Error

Cycle Error

ΔP

ΔS

ΔΦ

ΔΘ

ΔC

7

5

2

10

3

45

45

20

40

5.5

°e

°e

°e

min. of arc

°e

HEDM-5500

HEDM-5600

(Two Channel)

Pulse Width Error

Logic State Width Error

Phase Error

Position Error

Cycle Error

ΔP

ΔS

ΔΦ

ΔΘ

ΔC

10

10

2

10

3

45

45

15

40

7.5

°e

°e

°e

min. of arc

°e

HEDS-5540

HEDS-5640

(Three Channel)

Pulse Width Error

Logic State Width Error

Phase Error

Position Error

Cycle Error

Index Pulse Width

ΔP

ΔS

ΔΦ

ΔΘ

ΔC

Po

55

5

5

2

10

3

90

45

35

15

40

5.5

125

°e

°e

°e

min. of arc

°e

°e

CH.I rise after

CH.A or CH. B fall

-40°C to +100°C

-300

100

250

ns

CH.I fall after

CH.A or CH. B rise

-40°C to +100°C

70

150

1000

ns

HEDM-5540

(Three Channel)

Pulse Width Error

Logic State Width Error

Phase Error

Position Error

Cycle Error

Index Pulse Width

ΔP

ΔS

ΔΦ

ΔΘ

ΔC

Po

50

10

10

2

10

6

90

45

45

15

40

12

130

°e

°e

°e

min. of arc

°e

°e

CH.I rise after

CH.A or CH. B fall

-40°C to + 85°C

200

1000

1500

ns

CH.I fall after

CH.A or CH. B rise

-40°C to + 85°C

0

300

1500

ns