HEDS-9040#T00 Avago Technologies US Inc., HEDS-9040#T00 Datasheet - Page 4

Incremental Encoder

HEDS-9040#T00

Manufacturer Part Number
HEDS-9040#T00
Description
Incremental Encoder
Manufacturer
Avago Technologies US Inc.
Series
HEDS-9040r
Datasheet

Specifications of HEDS-9040#T00

No. Of Channels
3
Rotational Speed Max
30000rpm
Encoder Resolution
2000CPR
Supply Voltage Range
4.5VDC To 5.5VDC
Pulses Per Revolution
2000
Output Type
Quadrature
Number Of Channels
3
Mounting Style
Through Hole
Termination Style
Solder Pin
Supply Voltage
5 V
Product
Optical
Size / Dimension
23.6 mm
Technology
Rotary
Sensor Supply Voltage
4.5VDC To 5.5VDC
Rohs Compliant
Yes
Encoder Output
Quadrature
Encoder Type
Incremental
Leaded Process Compatible
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Definitions
Count (N): The number of bar and window pairs or counts
per revolution (CPR) of the codewheel.
One Cycle (C): 360 electrical degrees (°e), 1 bar and win-
dow pair.
One Shaft Rotation: 360 mechanical degrees, N cycles.
Position Error ( ∆Θ): The normalized angular difference
between the actual shaft position and the position indi-
cated by the encoder cycle count.
Cycle Error (∆C): An indication of cycle uniformity. The dif-
fer e nce between an observed shaft angle which gives
rise to one electrical cycle, and the nominal angular in-
crement of 1/N of a revolution.
Pulse Width (P): The number of electrical degrees that
an output is high during 1 cycle. This value is nominally
180°e or 1/2 cycle.
Pulse Width Error (∆P): The deviation, in electrical degrees,
of the pulse width from its ideal value of 180°e.
State Width (S): The number of electrical degrees be-
tween a transition in the output of channel A and the
Absolute Maximum Ratings
Storage Temperature, T
Operating Temperature, T
Supply Voltage, V
Output Voltage, V
Output Current per Channel, I
Shaft Axial Play . ............................................................................±0.25 mm (±0.010 in.)
Shaft Eccentricity Plus Radial Play . ......................................... 0.1 mm (0.004 in.) TIR
Velocity . ............................................................................................................ 30,000 RPM
Acceleration ..........................................................................................250,000 rad/sec
Note:
1. Absolute maximums for HEDS-5140/6140 codewheels only.
4
CC
O
. ...........................................................................................-0.5 V to V
.......................................................................................... -0.5 V to 7 V
S
. .......................................................................-40°C to +100°C
A
...................................................................-40°C to +100°C
OUT
. ......................................................-1.0 mA to 5 mA
neighboring transition in the output of channel B. There
are 4 states per cycle, each nominally 90°e.
State Width Error (∆S): The deviation, in electrical degrees,
of each state width from its ideal value of 90°e.
Phase (φ): The number of electrical degrees between the
center of the high state of channel A and the center of
the high state of channel B. This value is nominally 90°e
for quadrature output.
Phase Error (∆φ): The deviation of the phase from its ideal
value of 90°e.
Direction of Rotation: When the codewheel rotates in the
direction of the arrow on top of the module, channel A
will lead channel B. If the codewheel rotates in the oppo-
site direction, channel B will lead channel A.
Optical Radius (R
center of rotation to the optical center (O.C.) of the en-
coder module.
Index Pulse Width (P
that an index is high during one full shaft rotation. This
value is nominally 90°e or 1/4 cycle.
2[1]
CC
[1]
OP
): The distance from the codewheel’s
O
): The number of electrical degrees

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