HD25
Description:
Industrial Rugged Metal Optical Encoder
Features:
Ø
NEMA size 25 package.
Ø
Anodized milled aluminum housing with O-ring housing seal.
Ø
LED & phased array wide-gap monolithic encoder
Ø
Ø
Ø
Ø
Ø
Ø
Ø
Ø
Ø
Ø
Ø
Ø
Ø
Ø
The
HD25
is a rugged optical incremental shaft encoder designed for heavy duty industrial
use. It serves as a position feedback device by converting real-time shaft angle, speed, and
direction into digital quadrature outputs with index. A variety of versions may be ordered
including:
Ø
Low voltage (+5V) version.
Ø
High voltage version that operates from +9.5 to 32 volts. The digital output levels virtually
switch between 0V and the positive power supply voltage.
Ø
7-pin screw-on connector for single ended with or without index (third channel).
MIL-C-5015 type connector.
Ø
10-pin screw-on connector for differential outputs with or without index (third channel).
MIL-C-5015 type connector.
Ø
Cable version comes standard with a 6' pig-tail; longer lengths available.
Ø
Shaft seal to protect the encoder from liquids. Note that this option adds about 3.5 in-oz
of shaft drag.
Ø
3/8" diameter shaft with or without flat.
Applications
Ø
Automation, robotics, motion control, elevator controls, machine tools, food processing,
X-Y tables and conveyors.
Ø
Lathes, grinders, CNC machine tools, high performance servos, test equipment, pack-
aging machines, balance machines and cutting machines.
Ø
Web processing, rotary tables, transfer machines, stacker cranes, press controls,
printing presses and pump controls.
Ø
Oil field equipment, saw mill machinery and construction machinery.
technology; disk does not contact optic.
Tracks from 0 to 100,000 cycles/sec.
100 to 2048 cycles per revolution (CPR).
400 to 8192 pulses per revolution (PPR).
2 channel quadrature squarewave outputs.
Single-ended & differential outputs.
Optional index (3rd channel).
ABEC 5 bearings.
3/8" diameter shaft, flat option available.
Built-in heavy duty cable drivers.
Operating temperature -40° to +100°C (low voltage version).
Operating temperature -40° to +85°C (high voltage version).
Decoded clock & direction outputs available.
Decoded UpClk / DnClk outputs available.
US Digital warrants its products against defects in materials
& workmanship for two years. See complete warranty for
details.
Mechanical Specifications:
phone: 360.260.2468
l
sales: 800.736.0194
l
fax: 360.260.2469
email: sales@usdigital.com
l
website: www.usdigital.com
11100 ne 34th circle
l
vancouver, washington 98682 USA
page
1
HD25
Electrical Specifications:
Output code
Cycles per revolution
Supply voltage (LV version)
Supply voltage (HV version)
Supply current
Output format
Index width
Maximum low level
output voltage
Minimum high level
output voltage
Output IC
Protection level
Illumination
Frequency response
Industrial Rugged Metal Optical Encoder
AB Output Timing Diagram:
Incremental
100-2048 (user specified)
5V 10%
9.5V to 32V
< 80 mA (no external load)
2 channels in quadrature
1/4 cycle wide
.4V
while sinking 20mA
supply voltage -2.35V
while sourcing 20mA
ET7272
output short to ground
LED
0 to 100 kHz
Note:
The timing diagram above is the result of shaft rotation viewed from
the shaft side of the encoder. B leads A in a clockwise shaft rotation,
and A leads B in a counterclockwise shaft rotation.
CPR (N):
The number of Cycles Per Revolution.
One Shaft Rotation:
360 mechanical degrees, N cycles.
One Electrical Degree (°e):
1/360 of one cycle.
One Cycle (C):
360 electrical degrees (°e). Each cycle can be decoded into 1 or 4 codes, referred to as X1 or X4 resolution multiplication.
Symmetry:
A measure of the relationship between (X) & (Y) in electrical degrees, nominally 180°e.
Quadrature (Z):
The phase lag or lead between channels A & B in electrical degrees, nominally 90°e.
Index (CH I.):
The index output goes high once per revolution, coincident with the low states of channels A & B, nominally 1/4 of one cycle (90°e).
Position error:
The difference between the actual shaft position & the position indicated by the encoder cycle count.
Cycle error:
An indication of cycle uniformity. The difference between an observed shaft angle which gives rise to one electrical cycle,
and the nominal angular increment of 1/N of a revolution.
Encoder Characteristics:
Parameter
Cycle error
Symmetry
Quadrature
Index pulse width
CH. I rise after CH. B or CH. A fall
CH. I fall after CH. A or CH. B rise
Symbol
Min.
150
60
60
-300
70
Over Recommended Operating Range. Values are for the worst error over a full rotation.
Po
t1
t2
Typ.
3
180
90
90
100
150
Max
5.5
210
120
120
250
1000
Units
°e
°e
°e
°e
ns
ns
Encoder Characteristics for HEDS-9040#T00 (2000-I, 2048-I):
Parameter
Cycle error
Symmetry
Quadrature
Index pulse width
CH. I rise after CH. B or CH. A fall
CH. I fall after CH. A or CH. B rise
Symbol
Min.
130
40
40
10
10
Typ.
3
180
90
90
450
250
Max
7.5
230
140
140
1500
1500
Over Recommended Operating Range. Values are for the worst error over a full rotation.
Po
t1
t2
Units
°e
°e
°e
°e
ns
ns
Enviormental Specifications:
Low voltage operating temp.
High voltage operating temp.
Storage temperature
Shock
Vibration (5 to 2kHz)
Humidity without seal
Humidity with shaft seal
-40° to 100° C (212° F)
-40° to 85° C (185° F)
-40° to 100° C (212° F)
60G's for 11 mSec
20Hz to 2000Hz @ 20 G's
98% non-condensing
100% condensing (NEMA IP67)
phone: 360.260.2468
l
sales: 800.736.0194
l
fax: 360.260.2469
email: sales@usdigital.com
l
website: www.usdigital.com
11100 ne 34th circle
l
vancouver, washington 98682 USA
page
2
HD25
Industrial Rugged Metal Optical Encoder
UD__ Output Timing Diagram:
CD__ Output Timing Diagram:
Mechanical Notes:
Size
Housing & cover material
Weight
Shaft material
Shaft diameter
Shaft optional flat size
Shaft runout
Shaft torque (without optional seal)
Shaft torque (with optional seal)
Max radial load
NEMA size 25
Anodized aluminum
17 oz.
Stainless steel & nickel
.3745 - .3748 (3/8) in.
.08 long x .03 in. deep
<=.0003 T.I.R.
Less than 1/2 in-oz.
3.5 in-oz. typical
100 Pounds
Mechanical Notes:
Max axial load
Bearings
Bearing life in millions of Revs.
Bearing life at 4 pound load
Moment of inertia
Max acceleration
Max RPM without seal
(limited by electronics)
Max RPM with seal
250 Pounds
ABEC 5 440 stainless
steel with light preload
& LG39 grease
(124 / load in lbs.) ^ 3
2,300,000,000 Revs.
2.8 x 10
-4
oz-in-sec
2
100,000 rev / sec
2
6 x 10
6
/ CPR
6000
Compatible Cables & Connectors:
Round:
CON-RC7
7-pin connector.
CON-RC10
10-pin connector.
CA-3623
7-pin connector with 6' shielded twisted pair (-20°C to 80°C).
CA-3625
7-pin connector with 6' shielded twisted pair (-20°C to +150°C).
CA-3627
10-pin connector with 6' shielded twisted pair (-20°C to +80°C).
CA-3629
10-pin connector with 6' shielded twisted pair (-20°C to +150°C).
Note:
See
Cables & Connectors
data sheet for more information.
Cable Notes:
When the
HD25
encoder is ordered with a 6 ft. cable already
attached, no connector is provided (longer lengths are available).
The low temperature version cable is considerably more flexible
than the high temperature cable. Because of this, it is recom-
mended over the high temperature cable, except where high
temperature capability is required.
The low voltage (+5V) option is the only option with an operating
temperature that would be compatible with the high temperature
cable.
phone: 360.260.2468
l
sales: 800.736.0194
l
fax: 360.260.2469
email: sales@usdigital.com
l
website: www.usdigital.com
11100 ne 34th circle
l
vancouver, washington 98682 USA
page
3
HD25
7-pin Wire Descriptions:
Low Temperature:
Name
Color
A
White w/ Blue Stripe
B
White w/ Brown Stripe
I
1
White w/ Orange Stripe
+VDC (±5%) Orange w/ White Stripe
Common
Brown w/ White Stripe
Common
Blue w/ White Stripe
Case Ground Green w/ White Stripe
Industrial Rugged Metal Optical Encoder
High Temperature:
Name
Color
A
Blue
B
Yellow
I
1
Violet
+VDC (±5%) Red
Common
Black
Common
Brown
Case Ground Green
7-pin Connector:
Amphenol# SM3102R16S-1P (023)
Pin
Normal
Clk-Dir (CD)
A
Channel A
Direction
B
Channel B
Clock
C
Channel I
1
Channel I
1
D
+VDC (±5%)
+VDC (±5%)
E
NC
NC
F
Common
Common
G
Case Ground
Case Ground
UpClk-DnClk (UD)
Down Clock
Up Clock
Channel I
1
+VDC (±5%)
NC
Common
Case Ground
10-pin Wire Descriptions:
Low Temperature:
Name
Color
A+
Blue w/ White Stripe
B+
Brown w/ White Stripe
I+
1
orange w/ White Stripe
+VDC (±5%)
Green w/ White Stripe
Common
Gray w/ White Stripe
Common
White/ w/ Gray Stripe
Case Ground White w/ Green Stripe
A-
White w/ Blue Stripe
B-
White w/ Brown Stripe
I-
1
White w/ Orange Stripe
High Temperature:
Name
Color
A+
Pink
B+
Tan
I+
1
Green
+VDC (±5%)
Yellow
Common
Blue
Common
Brown
Case Ground
Black
A-
Gray
B-
White
I-
1
Orange
10-pin Connector:
Notes:
1
Only available with index channel.
Amphenol# SM3102R181P (023)
Pin Normal
Clk-Dir (CD)
A
Channel A+
Direction+
B
Channel B+
Clock+
1
C
Channel I+
Channel I+
1
D
+VDC (±5%)
+VDC (±5%)
E
NC
NC
F
Common
Common
G
Case Ground Case Ground
H
Channel A-
Direction-
I
Channel B-
Clock-
Channel I-
1
J
Channel I-
1
UpClk - DnClk (UD)
Down Clock+
Up Clock+
Channel I+
1
+VDC (±5%)
NC
Common
Case Ground
Down Clock-
Up Clock-
Channel I-
1
Ordering Information:
Price:
$235 / 1
$195 / 10
$175 / 50
$155 / 100
$135 / 500
Cost Modifiers:
Ø
Add $45 for optional shaft seal.
Ø
Add $3 per foot for cables lengths greater than 6FT.*
* Only available when cable option is specified.
HD25 -
CPR:
100
200
400
1
500
512
1
1000
1024
2000
2048
Supply Voltage:
LV
= Low voltage.
(+5V)
HV
= High voltage.
(+9.5V to +32V)
Channels:
S
= Standard (2 channel).
I
= Index (3 channel).
D
= Differential outputs.
ID
= Index & differential outputs.
Cable Length:
Specify cable
length here if
ordering cable
option.
Shafts/Sealed:
O
= Non-sealed.
S
= Sealed.
2
F
= Flat non-sealed.
FS
= Flat sealed.
2
Notes:
1
Index option not available.
2
Adds about 3.5 in-oz. of shaft
drag.
Output:
AB
= Qudrature.
CD1
= Clock - Direction X1.
CD4
= Clock - Direction X4.
UD1
= Up / Dn Clk X1.
UD4
= Up / Dn Clk X4.
Connector/Cable:
Channels S, I:
CN7
= 7-pin connector.
CA7
= 6' 7-wire low temperature cable.
ICA7
= 6' 7-wire high temperature cable.
Channels D, ID:
CN10
= 10-pin connector.
CA10
= 6' 10-wire low temperature cable.
ICA10
= 6' 10-wire high temperature cable.
Technical Data, Rev. 01.10.01, January 2001
All information subject to change without notice.
phone: 360.260.2468
l
sales: 800.736.0194
l
fax: 360.260.2469
email: sales@usdigital.com
l
website: www.usdigital.com
11100 ne 34th circle
l
vancouver, washington 98682 USA
page
4
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