Dynapar SERIES HC20 Data Sheet

SERVO DUTY

SERIES HC20

For Stepper & Small Servo Motors

Key Features

• Economical Servomotor Feedback with New
Phased Array ASIC

• High 120°C Operating Temperature Won’t
Limit Motor Performance

• Up to 2500PPR Direct-Read with Commutation
Channels

NEW!

Dynapar

™

brand

SPECIFICATIONS

STANDARD OPERATING CHARACTERISTICS

Code: Incremental
Resolution: 500 to 2500 PPR
Commutation: 4/6/8 pole
Format: Two channel quadrature (AB) with

optional Index (Z) and complementary outputs
Phase Sense: Phasing for CCW rotation of motor

shaft (viewing from encoder cover side): A leads B
by 90° ± 22.5° electrical, and U leads V leads W by
120°

Accuracy:

• Incremental: 40 arc-sec. max. edge to any edge;

• Commutation: ±6 arc minutes max.

Index: 90° electrical (gated A and B high)
Waveforms: Squarewave with rise and fall times

less than 1 microsecond into a load capacitance of
1000 pf

Connection:

Pin Signal Color

1 Vcc Red
2 U Brown
3 GND Black
4 V Gray
5 A Blue
6 W White
7 A Blue/Black
8 N.C. —
9 B Green
10 U Brown/Black
11 B Green/Black
12 V Gray/Black
13 Z Violet
14 W White/Black
15 Z Violet/Black
16 N.C. —

3.38

ELECTRICAL

Supply Voltage: DC 5V ±10% (SELV)
Max. Current (w/o load):

• Incremental: 150mA

• Incremental + Commutation: 175mA

Max. Output Frequency:

• 250 kHz (up to1024 ppr)

• 500 kHz (> 1024 ppr)

Signal Level:

• NPN: Open Collector

• Differential Line Driver: RS 422

Output Current: RS422: ±40 mA
(26LS31); NPN O.C.: 16mA (2k. int. pull up)

Connection: Axial or Raidal cable available

Signal Format

CCW SHAFT ROTATION

180°e

CH. A

90°e

CH. B

CH. Z

±1°m

CH. U

CH. V

CH. W

180°e

180°e ±20°

120°e ±10°

120°e

MECHANICAL

Weight: 120g typical
Dimensions:

• Outside Diameter with Cover: 50 mm

• Mounting Depth: 36mm

Material:

• Bearing Housing: Aluminium;

• Cover: Aluminium;

• Shaft: Brass: 699477-0001

Shaft Style (dependant on model):

• Blind Hole Shaft: 8.00mm dia; 20mm
depth

• Hollow Shaft: 6.00 or 8.00mm dia

• Taper Shaft: 9.00mm dia. nominal;

2.8624°+0.2289/- 0 Taper
Mating Shaft Runout: ±0.2mm max. (Includes

shaft perpendicularity to mounting surface)

Mating Shaft Axial Movement: max. ±0.8mm.
Max. Velocity: RPM= (Frequency/PPR) x 60

or 2000 min-1, whichever is less

ENVIRONMENTAL

Operating Temperature: 0...+120°C
Storage Temperature: -40...+120°C
Shock Resistance: 1000 m/s2 (6 ms)
Vibration Resistance: 25 m/s2 (5...2000 Hz)
Protection Class: IP51(cable must be oriented

downwards)

by

Code 1: Model
Code 1: Model

HC20

HC20

Compact
Hollowshaft
Encoder

To order, complete the model number with code numbers from the table below:

Code 2: PPR
Incremental

0500
0512
1000
1024

2000
2048
2500

Code 3: Poles

2

Commutation

0 None
4 4 Pole
6 6 Pole
8 8 Pole

Available Combinations (PPR/Poles)

Number of Poles

Incremental
PPR 0 468

0500 x x x x
0512 x
1000 x x x x
1024 x x x x
2000 x x x x
2048 x x x x
2500 x x x x

1 U

: Supply voltage incremental, U

inc

com

SERVO DUTY

SERIES HC20

Ordering Information

Code 4:

2

Mounting

Code 5: Electrical

Ordering Information

0 No tether
Tether
1 1.575”

(40mm) TK

2 2.166”

(55mm) TK

incremental only,
<=2048/0 (ppr/poles)

0 U

= DC 5V;

inc

output

incremental only without

commutation

2 U

= DC 5-26V;

inc

output

3 U

= DC 5V;

inc

output

incremental plus

commutation signals

6 U

= DC 5V;

inc

output
U

com

output

9 U

= DC 5V;

inc

output
U

com

output

: Supply voltage commutation (only if commutation is selected); 2 See available combinations (pulses/poles)

= NPN-O.C.

inc

= RS 422

inc

= RS 422

inc

= RS 422

inc

= DC 5V;

= NPN-O.C.

com

= RS 422

inc

= DC 5V;

= RS 422

com

1

Code 6: Shaft

0 Taper shaft(Ø9,1:10)

1 Blind vertical shaft Ø6

2 Blind vertical shaft Ø8

3 Hollow shaft Ø6

4 Hollow shaft Ø8

Code 7: Connection

Axial plug

1 1 Ft. cable

2 2 Ft. cable

3 3 Ft. cable

4 4 Ft. cable

5 5 Ft. cable

6 6 Ft. cable

7 7 Ft. cable

8 8 Ft. cable

Radial plug

A 1 Ft. cable

B 2 Ft. cable

C 3 Ft. cable

D 4 Ft. cable

E 5 Ft. cable

F 6 Ft. cable

G 7 Ft. cable

H 8 Ft. cable

Dimensions (mm)

BLIND HOLE SHAFT

20

(Used for dismounting)

M

20.0

36.0

HOLLOW SHAFT

23.5

5.0

fl8f5

fl6(/fl8)f5

fl9.0G6

fl8f5

fl13

fl6(/fl8)f5

fl15.2

fl9.0

fl40/fl55

fl46.5/fl61.5

fl40/fl55

fl46.5/fl61.5

R1.75+0.05 2X

25¡

16.0

fl7.5

R1.75+0.05 2X

25¡

16.0

R1.75+0.05 2X

20¡

16.0

35

35

36.0

fl50.0

36.0

fl50.0

30–0.01

36.0

fl50.0

TAPER SHAFT

M

fl13

fl40/fl55

fl46.5/fl61.5

fl7.5

3.39