AEDC-55xx / AEDC-56xx
High Resolution Two or Three Channel Quick
Assembly Encoders With Connector Latch
Data Sheet
CAUTION: It is advised that normal static precautions be taken in handling and assembly
of this component to prevent damage and/or degradation which may be induced by ESD.
Description
The AEDC-5xxx series encoders, while similar to the indus-
try standard HEDS-5xxx series kit encoder, provides a con-
nector latch on the cover housing to improve connector
retention. This device is built upon the Avago AEDT-9810
series encoder module, and provides the same perfor-
mance, low cost, high reliability, high resolution, and ease
of assembly customers have come to expect.
Each encoder contains a LED source with lens, an ASIC
with integrated photo detector arrays, LED current regula-
tion, interpolator and output driver circuitry, and a code
wheel which rotates between the emitter and detector
ASIC. The outputs of the AEDC-5xxx are two square waves
in quadrature. In addition, a third channel oers index
signal, which is a 90 electrical degree, true index pulse
which is generated once for each full rotation of the code
wheel. The AEDC-5xxx series utilizes a lm code wheel
allowing for resolutions up to 5000 CPR and accommodat-
ing shaft diameters from 2mm to 8mm.
This kit encoder may be quickly and easily mounted to
a motor. The electrical interface is through ve (single
ended) or ten (dierential versions) 0.025 inch square pins
on 0.100 inch centers. Interface cable assemblies to meet
customer requirements are available also.
The dierential (line driver) version oers enhanced per-
formance when the encoder is used in noisy environ-
ments, or when it is required to drive long cables. It uses
an industry standard RS422 compatible line driver IC,
AEIC-7272, which provides dierential outputs for each
of the encoder channels. Suggested line receivers are
26LS32 and 26LS33.
Features
• Available in two or three channel encoder A,B and I
• Latching connector design
• Single 5V supply
• Resolution of up to 5000 CPR
• TTL compatible, with single ended or dierential
output.
• Quick assembly
• No signal adjustment required
• Small size
• -40 °C to 85 °C operating temperature
Applications
High volume applications such as printers, plotters, tape
drives, textile machines, positioning tables and also auto-
matic handlers among others.
Note: Avago Technologies encoders are not recommend-
ed for use in safety critical applications, e.g., ABS braking
systems, power steering, life support systems and critical
care medical equipment. Avago’s products and software
are not specically designed, manufactured or autho-
rized for sale as parts, components or assemblies for the
planning, construction, maintenance or direct operation
of a nuclear facility or for use in medical devices or appli-
cations. Customers are solely responsible, and waive all
rights to make claims against Avago or its suppliers, for
all losses, damage, expense or liability in connection with
such use. Please contact your local sales representative if
more clarication is needed.
2
Note: All dimensions are in millimeters
Dimension Single Ended unit
Width 31.05 mm
Height 16.59 mm
Length 47.14 mm
31.05
16.59
47.14
Package Dimensions – Single Ended Output Options
Standard Mounting Considerations
External Ear Mounting Considerations
Package Dimensions
3
Dimension Dierential/Line driver unit
Width 31.05 mm
Height 16.59 mm
Length 51.76 mm
31.05
16.59
51.76
Note: All dimensions are in millimeters
Package Dimensions
Package Dimensions – Dierential Line Driver Output Options
Standard Mounting Considerations
External Ear Mounting Considerations
4
Absolute Maximum Ratings
Parameter
Storage Temperature, TS-40°C to +85°C
Operating Temperature, TA-40°C to +85°C
Supply Voltage, VCC -0.5 V to 7 V
Output Voltage, VO-0.5 V to VCC
Output Current per Channel, IOUT (Single ended) ± 5 mA
Output Current per Channel, IOUT (Dierential Line drivers) ± 20 mA
Vibration 20 g, 5 to 1000 Hz
Shaft Axial Play ±0.15mm (±0.006in)
Shaft Eccentricity Plus Radial Play 0.1mm (0.004in)
Velocity Max 12,000 RPM **
Acceleration 250,000 rad/sec2
Note **: Velocity 12000 RPM applies to 5000 Count per Revolution
Recommended Operating Conditions
Parameter Sym. Min. Typ. Max. Units Notes
Temperature TA-40 +85 °C
Supply Voltage VCC 4.5 5.0 5.5 Volts Ripple < 100 mVp-p
Count Frequency f 500 kHz 2000 – 2500CPR
1000 kHz 4000 – 5000CPR
* These are tolerances required of the user. Axial and radial play aects encoder performance and should be minimized.
5
Output Waveform Phase Diagram (Single Ended Output Options)
Clockwise Rotation – A leads B
Output Waveform Phase Diagram (Dierential Line Driver Options)
Counter Clockwise Rotation – A leads B
PC
CH. A
CH. B
ROTATION
AMPLITUDE
φ
S1 S2 S4
CH. I
P0
t1t2
S3
2.4 V
0.4 V
2.4 V
0.4 V
2.4 V
0.4 V
PC
CH. A
CH. B
ROTATION
AMPLITUDE
φ
S1 S2 S4
CH. I
P0
t1t2
S3
2.4 V
0.4 V
2.4 V
0.4 V
2.4 V
0.4 V
6
Electrical Characteristics
Electrical Characteristics over Recommended Operating Range
Part No. Parameter Sym. Min Typ.* Max. Units Notes
3 channel
Single Ended
Supply Current
High Level Output Voltage
Low Level Output Voltage
ICC
VOH
VOL
2.4
25 80
0.4
mA
V
V
IOH = -5mA max
IOL= +5mA max
Rise Time
Fall Time
tr
tf
10
10
ns
ns
CL = 100pF
Dierential
Line Driver
Supply Current
Rise/Fall time
ICC
tr
tf
35
120
mA
ns
ns
CL = 40pF
RL = 100W
* Typical values specied at Vcc = 5.0V and 25ºC and for single ended, unless otherwise stated
** Applicable for line driver output version with AEIC 7272 Line driver.
Mechanical Characteristics
Parameter Symbol Dimension Tolerance Units
Codewheels Fit These Shaft
Diameters
4, 5, 6, 8 +0.000
-0.015
mm
1/4 +0.0000
-0.0007
in
Moment of Inertia J 0.6
(8.0 x 10-6)
g-cm2
(oz-in-s2)
Required Shaft Length 14.0
(0.55)
± 0.5
(± 0.02)
mm
(in.)
Bolt Circle[3] 2 screw mounting 19.05
(0.750)
± 0.13
(± 0.005)
mm
(in.)
3 screw mounting 20.90
(0.823)
± 0.13
(± 0.005)
mm
(in.)
external mounting ears 46.0
(1.811)
± 0.13
(± 0.005)
mm
(in.)
Mounting Screw Size 2 screw mounting M 2.5 or
(2-56)
mm
(in.)
3 screw mounting M 1.6 or
(0-80)
mm
(in.)
external mounting ears M 2.5 or
(2-56)
mm
(in.)
Encoder Base Plate Thickness 0.33
(0.130)
mm
(in.)
Hub Set Screw (2-56) (in.)
Notes
1. An optional cover provides an 8.9mm (0.35 inch) diameter hole through the housing for longer motor shaft.
2. Encoder must be aligned as shown in the “Encoder Mounting and Assembly” instructions.
3. The recommended mounting screw torque for 2 screw mounting is 1.0 kg-cm (0.88 in-lbs). The recommended mounting screw torque for 3 screw
mounting is 0.50 kg-cm (0.43 in-lbs).
7
Encoding Characteristics
Encoding characteristics are applicable per the Recommended Operating Conditions, unless otherwise specied. Values
are for the worst case error over the full rotation.
Encoder Resolution ≥ 4000 CPR
Parameter Symbol Min Typ.* Max Units
Pulse Width Error DP21 45 °e
Logic State Width Error DS17 45 °e
Phase Error Df 12 25 °e
Cycle Error DC36 60 °e
Index Pulse Width P065 90 115 °e
Encoder Resolution ≤ 2500 CPR
Parameter Symbol Min Typ.* Max Units
Pulse Width Error DP20 30 °e
Logic State Width Error DS15 25 °e
Phase Error Df 10 15 °e
Cycle Error DC17 30 °e
Index Pulse Width P072 90 108 °e
* Typical values specied at VCC = 5.0V and 25ºC and for single ended, unless otherwise stated
Pin 1
Pin 5 Pin 2
Pin 1
5 Pin (Single Ended) Version
Pin # Description
1 Ground
2 CH I (*)
3 CH A
4+ 5 VDC
5 CH B
10 Pin (Dierential Line Driver) Version
Pin # Description Standard Description HP/Agilent Option
1 Ground No connection
2 Ground + 5 VDC
3 Ch I- (*) Ground
4 Ch I+ (*) No connection
5 Ch A- CH A –
6 Ch A+ CH A +
7 +5VDC CH B –
8 +5VDC CH B +
9 CH B- CH I – (*)
10 CH B+ CH I + (*)
(*) Applies to 3 channel units only
Pin-out descriptions
8
Connector (HEDC-8520-0060)
Twisted & tinned pig tail
5 ±1.00
600 ±30.00
25 ±2.00
70 ±3.00
Front1
∅5.00 ±0.50
Pin 1: Color: Black (GND)
Pin 2: Color: Green (I)
Pin 3: Color: White (A)
Pin 4: Color: Red (+5VDC)
Pin 5: Color: Brown (B)
Standard connector pin out (HEDC-8850-0060)
HP/Agilent/Avago connector pin out (HEDC-8851-0060)
Twisted & tinned pig tail
5 ±1.00
600 ±30.00
25 ±2.00
70 ±3.00 Front1
∅7.00 ±0.50
Color: Brown/White Stripe
Not connected
Color: Blue/White Stripe
Color: Orange/White Stripe
Color: Green/White Stripe
Pin 10:
Pin 8:
Pin 6:
Pin 4:
Pin 2:
Pin 9:
Pin 7:
Pin 5:
Pin 3:
Pin 1:
Color: White/Brown Stripe
Color: White/Green Stripe
White/Blue Stripe
White/Orange Stripe
Not connected
(B-)
(+5VDO)
(A-)
(I-)
(B+)
(A+)
(I+)
(GND)
Right1
Color: Brown/White Stripe
Color: Green/White Stripe
Color: Blue/White Stripe
Not connected
Color: Orange/White Stripe
Pin 10:
Pin 8:
Pin 6:
Pin 4:
Pin 2:
(I+)
(B+)
(A+)
(+5VDC)
Pin 9:
Pin 7:
Pin 5:
Pin 3:
Pin 1:
(I-)
(B-)
(A-)
(GND)
Color: White/Brown Stripe
Color: White/Green Stripe
White/Blue Stripe
White/Orange Stripe
Not connected
Right1
Connector (HEDC-88xx-0060)
Right1
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Standard Cable Options
Cable Description* Part Number Shielded Cable Length
5 conductor, unshielded 22ga (for single ended use) HEDC-8520-0060 600mm
8 conductor, shielded, 24ga (for line driver use) – Standard option HEDC-8850-0060 600mm
8 conductor, shielded, 24ga (for line driver use) – HP/Agilent/Avago option HEDC-8851-0060 600mm
* All include one end terminated with the mating latching connector, and other end has ying leads.
For other cable options or customization request, please contact your Avago representative or distributor.
For product information and a complete list of distributors, please go to our web site: www.avagotech.com
Avago, Avago Technologies, and the A logo are trademarks of Avago Technologies in the United States and other countries.
Data subject to change. Copyright © 2005-2015 Avago Technologies. All rights reserved.
AV02-4925EN - June 4, 2015
DISCLAIMER: Avago’s products and software are not specically designed, manufactured or authorized for sale
as parts, components or assemblies for the planning, construction, maintenance or direct operation of a nucle-
ar facility or for use in medical devices or applications. Customer is solely responsible, and waives all rights to
make claims against Avago or its suppliers, for all loss, damage, expense or liability in connection with such use.
Ordering Information
A E D X - 5 X X X - X X 0
Code Wheel Mounting Type Resolution Shaft Diameter
C 5 (CPR) 01 2mm
T B 1000 02 3mm
J 1024 03 1/8 in.
L 1250 04 5/32 in.
Output Type T 2000 05 3/16 in.
2 2 Channel - Voltage Through Hole U 2048 06 1/4 in.
3 2 Channel - Dierential 0 W 2500 11 4mm
5 3 Channel - Dierential (Avago) 1 Cover Extension N 4000 12 6mm
6 3 Channel - Voltage 2 Hole in Cover R 4096 13 8mm
7 3 Channel - Dierential Z 5000 14 5mm
None
Mylar CW 85ºC Standard
Glass CW 100ºC 6External Ear
Mounting
