H25
|
INCREMENTAL OPTICAL ENCODER
Introduction
The H25 is the flagship of the BEI Sensors product line. It was designed
from the ground up for the industrial marketplace. The H25 offers
features such as EMI shielding, 40 lb. ABEC 7 bearings, matched thermal
coefficients on critical components, and custom high efficiency optics.
The encoder meets NEMA 4 and 13 requirements when ordered with the
shaft seal. Typical applications include machine control, process control,
the wood processing industry, oil well logging, industrial weighing,
agricultural machinery, textile equipment, web process control, robotics,
and food processing.
SPECIFICATIONS
Mechanical
Shaft Diameter
Flat On Shaft
Shaft Loading
Shaft Runout
Starting Torque at 25°C
Bearings
Shaft Material
Bearing Housing
Cover
Bearing Life
Maximum RPM
Moment of Inertia
Weight
3/8” nominal (1/2” as special feature)
3/8” Shaft: 0.80 long X 0.03” deep; 1/2” Shaft: 0.80 long X 0.04” deep (1/2’’ shaft w/flat must
be ordered as special feature)
3/8” shaft: Up to 40 pounds axial and 35 pounds radial; 1/2” shaft: Up to 90 pounds axial and
80 pounds radial
0.0005 T.I.R. at midpoint regardless of shaft diameter
Without shaft seal 1.0 in-oz (max); With shaft seal 2.5 in-oz (max); 1/2” shaft with shaft seal:
3.5 in-oz (max)
Class ABEC 7 standard, ABEC 5 for 1/2” shaft
416 stainless steel
Die cast aluminum with protective finish; stainless steel (special feature)
Die cast aluminum; stainless steel (special feature)
2 X 10
8
revs (1300 hrs at 2500 RPM) at rated load 1 X 10
10
revs (67,000 hrs at 2500 RPM) at
10% of rated load
12,000 RPM nominal, 8000 RPM with 1/2” shaft (see Frequency Response, below) 30,000 RPM
available on units with 3/8” shaft—consult with factory
4.1 X 10
-4
oz-in-sec
2
; 5.2 X 10
-4
oz-in-sec
2
with 1/2” shaft
13 oz typical, 14.5 oz typical with 1/2” shaft
Page 1
Copyright © 2018 Sensata Technologies, Inc.
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SPECIFICATIONS (CONTINUED)
Electrical
Code
Output Format
Cycles per Shaft Turn
Supply Voltage
Current Requirements
Voltage/Output
Incremental
2 channels in quadrature, 1/2 cycle index gated with negative B channel
1 to 72,000 (see table 2) For resolutions above 3,600 see BEI for interpolation options
5 to 28 VDC available
100 mA typical +output load, 250 mA (max)
(see note 5)
15V/V:
Line Driver, 5–15 VDC in, Vout = Vin
28V/V:
Line Driver, 5–28 VDC in, Vout = Vin
28V/5:
Line Driver, 5–28 VDC in, Vout = 5 VDC
28V/OC:
Open Collector, 5–28 VDC in, OCout
Reverse, overvoltage and output short circuit (see note 5)
100 kHz, up to 1MHz with interpolation option (see note 7)
See Table 1
Consult factory for other electrical options
Protection Level
Frequency Response
Output Terminations
Note
Environmental
Enclosure Rating
Temperature
Shock
Vibration
Humidity
NEMA 4 & 13 (IP 66) when ordered with shaft seal (on units with an MS connector) or a cable
gland (on units with cable termination).
Operating, 0º to 70º C; extended temperature testing up to 105°C available; Storage, -25º to
90º C unless extended temperature option called out.
50 g’s for 11 msec duration
5 to 2000 Hz @ 20 g’s
98% RH without condensation
Page 2
Copyright © 2018 Sensata Technologies, Inc.
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TABLES
Table 1: Incremental Output Terminations
The connector style will determine pinouts. For example, an encoder with ABC channels and an M18
connector uses the table to the right.
M14 Connector
Pin
E
D
C
B
F
A
M16 Connector
Pin
A
B
C
D
E
F
G
Wire Color
(22AWG)
YEL
BLUE
ORN
W-Yel
W-Blu
W-Orn
RED
BLK
GRN
WHITE
DA 15P Connector
13
14
15
10
11
12
6
1
9
—
0V (Circuit Common)
Case Ground (CG) (except H2O)
Channels Designated in Model Number
ABZ
A
B
Z
—
—
—
ABC
A
B
—
A
B
—
+V (Supply Voltage)
0V (Circuit Common)
Case Ground (CG0) (except H2O)
Shield Drain (Shielded Cable Only)
ABZC
A
B
Z
A
B
Z
Channels Designated in Model Number
ABZ
A
B
Z
+V (Supply Voltage)
B
ABC
A
B
A
M18 Connector
Pin
A
B
C
D
E
F
G
H
I
J
M12 Connector
Pin
A
B
C
D
E
F
G
H
J
K
Channel
A
B
Z
+V
—
0V
CG
A
B
Z
Channel
A
B
Z
+V
—
0V
CG
A
B
Z
Table 2: Disc Resolutions for Incremental Encoder Models H25, H38, H40, L25, E25
Resolutions highlighted with
are available H25 EXPRESS ENCODERS® that ship in one to three days.
1, 2, 5, 6, 7, 8, 10, 13, 16, 20, 24, 25, 26, 30, 32, 33, 34, 36, 37, 40, 45, 48, 50, 51, 56*, 60, 64, 66, 72, 75, 80, 86, 88, 90, 100, 102, 120, 122, 125, 127,
128, 132, 144, 148, 150, 158, 160, 175, 176, 180, 187, 192, 200, 202, 204*, 217, 220, 240, 250, 254, 255, 256, 264*, 274, 280, 283, 288, 292, 300, 312,
320, 321, 325, 360, 366, 372, 375, 377, 380, 381, 384, 385, 393, 400, 430, 432, 450, 462, 480, 490, 500, 502, 508, 512, 522, 530, 550, 560*, 576, 598,
600, 604, 625, 635, 638, 640, 660, 672, 676, 680, 687, 690, 700, 720, 725, 735, 740, 744, 748, 750, 762, 768, 780, 785, 800, 812, 825, 850, 864, 878, 888,
900, 912, 914, 938, 942, 955, 960, 1000, 1016, 1024, 1030, 1035, 1036, 1040, 1054, 1056, 1074, 1076, 1080, 1088, 1100, 1101, 1125, 1136, 1200, 1237,
1250, 1257, 1270, 1280, 1300, 1314, 1332, 1333, 1390, 1400, 1414, 1427, 1440, 1484, 1500, 1562, 1570, 1596, 1600, 1650, 1666, 1718, 1745, 1774,
1800, 1840*, 1850, 1855, 1875, 1894, 1920, 1952, 1968, 1979,1995, 2000, 2048, 2080, 2094, 2100, 2160, 2164, 2199, 2200, 2250, 2356, 2400, 2485,
2500, 2514, 2519, 2540, 2821, 2827, 2833, 3000, 3125, 3600, 4000, 4096, 5000
*AB or ABC output only. NOTE: Resolutions up to 72,000 are available.
Page 4
Copyright © 2018 Sensata Technologies, Inc.
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