Page 1
LIGHT DUTY
SERIES EC23
Miniature Encoder
Key Features
• High 5000PPR Capability
• Optional Screw Terminal Connections
• Standard Size 23 (2.3” diameter)
Dynapar
™
brand
SPECIFICATIONS
STANDARD OPERATING CHARACTERISTICS
Code: Incremental
Resolution: 3000 to 5000 PPR (pulses/
revolution)
Accuracy: (Worst case any edge to any other
edge) ±10.8°/PPR
Format: Two channel quadrature (AB) with
optional Index (Z) and complementary outputs
Phase Sense: A leads B for CW or CCW shaft
rotation as viewed from the shaft end of the
encoder; see Ordering Information
Quadrature Phasing: 90° ± 25° electrical
Symmetry: 180° ± 25° electrical
Index: 90° ± 25° electrical, gated with B
Waveforms: Squarewave with rise and fall times
less than 1 microsecond into a load capacitance
of 1000 pf
ELECTRICAL CONNECTIONS
Note: Wire color codes are referenced here for
models that are specified with pre-wired cable.
Single Ended
Function Wire Color
Term. (If Used) Code
A Signal A BRN
B Signal B ORN
C Signal Z YEL
D Power Source RED
E No Connection —
F Common BLK
G Case GRN
4.08
ELECTRICAL
Input Power:
4.5 min. to 26 VDC max. at 80 mA max., not
including output loads
Outputs:
7273 Open Collector: 30 VDC max., 40 mA sink
max.
7272 Push-Pull and Differential Line Driver: 40 mA
sink or source
Frequency Response: 250 kHz min.
Electrical Protection: Overvoltage, reverse voltage
and output short circuit protected
Noise Immunity: Tested to EN50082-2 (Heavy
Industrial) for Electro Static Discharge, Radio
Frequency Interference, Electrical Fast Transients,
Conducted and Magnetic Interference
Cable: PVC jacket, 105 °C rated, overall foil shield;
3 twisted pairs 26 AWG (output signals), plus 2
twisted pairs 24 AWG (input power)
Differential
Function Wire Color
Term. (If Used) Code
A Signal A BRN
B Signal B ORN
C Signal Z YEL
D Power Source RED
E No Connection —
F Common BLK
G Case GRN
H Signal A BRN/WH
I Signal B ORN/WH
J Signal Z YEL/WH
MECHANICAL
Bearing Life: 1 x 109 revolutions at max. load
Shaft Loading: 5 lbs. max radial and axial
Shaft Runout: 0.001" max. TIR
Shaft Speed: 10,000 RPM max. mechanical
Shaft Tolerance: Nominal -0.0004"/-0.0007"
Starting Torque:
Shielded bearings: 0.1 oz-in max.;
Sealed bearings: 0.2 oz.-in max.
Moment of Inertia: 2.83 x 10-4 oz–in–sec
Weight: 13 oz. max.
ENVIRONMENTAL
Operating Temperature:
Standard: 0 to +70 °C
Storage Temperature: –40 to +90 °C
Shock: 50 G’s for 11 milliseconds duration
Vibration: 5 to 2000 Hz at 20 G’s
Humidity: to 98% without condensation
Enclosure Rating: NEMA12/IP54 (dirt tight,
splashproof)
2
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Code 1: Model
EC23
EC23 Size 23
Enclosed
LIGHT DUTY
SERIES EC23
Ordering Information
To order, complete the model number with code numbers from the table below:
Code 2: Pulses/Rev Code 6: Termination
Code 3: Mechanical
Code 4: Output
Ordering Information
3000
3600
4096
5000
3,000
3,600
4,096
5,000
0 1/4" Shaft,
Shielded
Bearings,
2.31” Dia.
Servo Mount
w/ 4-Hole
Face Mount
1 1/4" Shaft,
Sealed
Bearings,
2.31” Dia.
Servo Mount
w/ 4-Hole
Face Mount
4 Single Ended, with
Index, Format C
5 Differential, with
Index, Format C
6 Single Ended, with
Index, Format D
7 Differential, with Index,
Format D
8 Single Ended, No
Index, Format C
9 Differential, No Index,
Format C
Code 5: Electrical
0 5-26V in, 5-26V Open
Collector w/2.2kΩ
Pullups out
1 5-26V in, 5-26V Open
Collector out
2 5-26V in; 5V out, Push-
Pull out
3 5-26V in; 5V Line
Driver out
4 5-26V in, 5-26V Line
Driver out
0 18” Cable,
Side Exit
1 3' Cable, Side
Exit
2 6' Cable, Side
Exit
3 10' Cable,
Side Exit
4 15' Cable,
Side Exit
8 Screw
Terminals
Dimensions (inches/mm)
(4) #4-40 UNC-2B THD.
3/16" DP. MIN. EQUALLY
SPACED ON A 1.000 DIA.
B.C. (REF.)
DIA.
2.31
2.125 DIA.
(GROOVE)
Code 6: Termination
0 - 4: Cable 8: Terminals
2.065
JACKETED CABLE
.275 DIA. SHIELDED
2.315
(10) #2 SCREW TERMINALS
FOR WIRE CONNECTIONS
.6875
.6870
1/4" DIA.
1.25
.100
.100
DIA.
.120
.640
Code 4: Output
Cable Clamp
Provisions
J
I
H
G
F
E
A
B
C
D
4,5,8,9: Format C
CW
A
B
Z
6,7: Format D
CCW
A
B
Z
4.09
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