Dynapar SERIES E12 Data Sheet

LIGHT DUTY

SERIES E12

Miniature Encoder

Key Features

• RuggedMetalHousing

• Sub-Compact1.2”Diameter

• Upto1024PPRwithOptionalIndex

Dynapar

™

brand

SPECIFICATIONS

STANDARD OPERATING CHARACTERISTICS

Code: Incremental, Optical
Resolution: 250 to 1024 PPR (pulses/ revolution)
Format: Two channel quadrature (AB)with optional

Index (Z) outputs
Phase Sense: A leads B for CW shaft rotation as

viewed from the shaft end of the encoder
Accuracy: ±3 x (360 ° ÷PPR)or ± 2.5 arc-min

worst case pulse to any other pulse, whichever is
less

Quadrature Phasing: 90 ° ± 36 ° electrical
Symmetry: 180 ° ± 18 ° electrical
Index: 90 ° ± 25 ° (gated with A and B high)
Waveforms: Squarewave with rise and fall times

less than 1 microsecond into a load capacitance
of 1000 pf

ELECTRICAL

Input Power: 5 VDC ± 5% at 80 mA max.; 12 or 15

VDC ± 10% at 80 mA max.; not including output
loads

Outputs:
7272 Push-Pull: 40mA, sink or source
7272 Differential Line Driver: 40 mA, sink or

source
Frequency Response: 100 kHz min.
Termination: Cable
Cable: PVC Jacket, 105°C rated, overall foil

shielded; 28 AWG wires

Electrical Connections

Function

(If Used)

Supply

Common

Signal A
Signal B
Signal Z

Floating

Wire

Color Code

Red
Black
White

Green

Orange

Shield

MECHANICAL

Shaft Size: 1/8”
Shaft Loading: 1 lb. radial,1 lb.axial max.
Shaft Speed: 5,000 RPM max.
Starting Torque:

Shielded Bearing: 0.1 oz-in max. at 25 °C
Sealed Bearing: 0.3 oz-in max.at 25 °C

Running Torque:
Shielded Bearing: 0.08 oz-in max.at 25 °C;

Sealed Bearing: 0.2 oz-in max. at 25 °C
Mechanical Bearing Life: 16 x 10 6 revolutions at

max. load

Moment of Inertia: 1.13 x 10
Housing and Cover: Aluminum
Shaft Material: Stainless Steel
Disc Material: Glass
Weight: 3.0 oz.max.

ENVIRONMENTAL

Operating Temperature: 0 to +70 °C
Storage Temperature: –25 to +70 °C
Humidity: Up to 98% (non-condensing)

Enclosure Rating: NEMA12/IP54 (dirt tight,

splashproof)

– 5

oz –in –sec

2

LIGHT DUTY

Dynapar

™

brand

INNOVATION - CUSTOMIZATION - DELIVERY

Worldwide Brands: NorthStar

TM

• DynaparTM • HengstlerTM • HaroweTM

1.20 MAX

30.5 mm

.093

2.36 mm

.140

3.55 mm

.437 MAX

(-.001) DIA

11.1 mm

.1247 MAX

(-.0004) DIA

3.167 mm

.425 MIN

10.8 mm

.094 REF

2.39 mm

.030

.762 mm

CABLE 18 in. TYP., OTHER

LENGTHS AVAILABLE

1.062 MAX DIA

26.97 mm

1.000 MAX

(-.0005) DIA

25.4 mm

#2-56 TAPPED HOLES, .200 DEEP (5.08 mm)
EQUALLY SPACED ON A .750 (19.0 mm)
DIA B.C., 90° APART, 4 PLACES

1.22 DIA

31.0 mm

SERIES E12

Code 1: Model

 E12

E12 Size 12, Light

Duty Enclosed

Dimensions(inches/mm)

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

Code 2: Pulses/Rev

0250

0256

0360

0500

0600

1000

1024

OrderingInformation

Code 3: Mechanical

0 Sealed

Bearing

1 Shielded

Bearing

Code 4: Output

0 Unidirectional

2 Bidirectional,

no Index

3 Bidirectional,

with Index

Code 5: Voltage

0 5 VDC

1 12 VDC

2 15 VDC

Code 6: Termination

0 18” Cable

1 3’ Cable

2 6’ Cable

3 10’ Cable

4 15’ Cable