H25 Incremental Optical Encoder
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.
Special Models of the H25 Incremental Encoder are available with one or more of the
following certifications. Consult factory for details.
EN 61000-6-4 and EN 61000-6-2
UL 12.0035X
UL 13.0071X
CENELEC
II 1 G Ex ia IIB/IIC T4
II 3 G Ex nA IIB T4 Gc
Class I, Group A,B,C & D;
Class II Group E, F & G
C
Class I, Zone 0, Group IIC
Class I, Div 2, Group A,B,C & D;
Class II, Div 2, Group F & G
Protection Level:
Reverse, overvoltage and output short circuit
(see note 5)
Frequency Response:
100 kHz, up to 1MHz with interpolation
option (see note 7)
Output Terminations:
(See table 1, back)
Note:
Consult factory for other electrical options
Mechanical Specifications
Shaft Diameter:
3/8” (1/2”as special feature)
Flat On Shaft:
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)
Shaft Loading:
3/8” shaft: Up to 40 pounds axial and 35
pounds radial; 1/2” shaft: Up to 90 pounds axial and 80 pounds
radial
Shaft Runout:
0.0005 T.I.R. at midpoint regardless of
shaft diameter
Starting Torque at 25°C:
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)
Bearings:
Class ABEC 7 standard, ABEC 5 for 1/2” shaft
Shaft Material:
416 stainless steel
Bearing Housing:
Die cast aluminum with protective finish;
stainless steel (special feature)
Cover:
Die cast aluminum; stainless steel (special feature)
Bearing Life:
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
Maximum RPM:
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
Moment of Inertia:
4.1 X 10
-4
oz-in-sec
2
; 5.2 X 10
-4
oz-in-sec
2
with 1/2” shaft
Weight:
13 oz typical, 14.5 oz typical with 1/2” shaft
Electrical Specifications
Code:
Incremental
Output Format:
2 channels in quadrature, 1/2 cycle index
gated with negative B channel
Cycles Per Shaft Turn:
1 to 72,000 (see table 2) For resolu-
tions above 3,600 see BEI for interpolation options
Supply Voltage:
5 to 28 VDC available
Current Requirements:
100 mA typical +output load,
250 mA (max)
Voltage/Output:
(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
Environmental Specifications
Enclosure Rating:
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).
Temperature:
Operating, 0º to 70º C; extended temperature
testing up to 105°C available; Storage, -25º to 90º C unless
extended temperature option called out.
Shock:
50 g’s for 11 msec duration
Vibration:
5 to 2000 Hz @ 20 g’s
Humidity:
98% RH without condensation
NOTES & TABLES:
All notes and tables referred to in the text
can be found on the back of this page.
Use this diagram, working from left to right to construct your model number (example:
H25D-SS-2000-ABZC-28V/V-SM18).
All notes and tables referred to can be found on pages the back of this page.
H25 Incremental Ordering Options
H25
for assistance call 800-350-2727
OUTPUT
HAZARDOUS
AREA RATINGS:
TERMINATION
Blank = None
See Table 2
LOCATION:
EX = Intrinsically Safe
E = End
NI = Non-Incendive
See note 4
See note 1
S = Side
Contact factory for
HOUSING CONFIG.
NO. OF CHANNELS:
VOLTAGE/OUTPUT:
SHAFT SEAL
voltage options
X=
LETTER:
A = Single Channel
15V/V = 5–15 Vin/out
CONFIGURATION:
Express
OUTPUT
AB = Dual Quad. Ch.
28V/V = 5–28Vin/out
D=Square Flange
SS = Shaft Seal
Encoder
TERMINATION:
28V/5 = 5–28Vin/5Vout
E=2.50 Dia. Servo Mount
ABZ = Dual with Index
M12 = MS3112E12-10P
(Not avail. on H25G)
28V/OC = 5–28Vin/OCout
G=2.62 Dia. Servo Mount
AZ = Single with Index
M16 = MS3102R16S-1P
Blank = Shielded Bearing
See note 5
See dimensions
See note 3
See note 2
M18 =MS3102R18-1P
C = Pigtail Cable
EXPRESS ENCODERS:
Items highlighted with
are standard Express Encoders and ship in one to three days.
CS = Cable with seal
T2
and
T5
options are available as standard H25 Express Encoder model options.
Cable length specified in inches
(i.e. C18 = Pigtail 18” long)
TYPE:
H = Heavy Duty
25 = 2.500” Dia.
OPTIONAL
FACE MOUNTS
F1(E housing only),F2, F3,
or F4 Blank = None
CYCLES PER TURN:
(Enter Cycles)
COMPLEMENTS
C = Complementary
Outputs
Blank = None
See table 1 & note 9
SPECIAL
FEATURES:
S = Special
features specified
on purchase order
(consult factory)
See note 6
Tel: 805-716-0322 /800-350-2727
www.beisensors.com
Specification No. 02002-001 Rev C 08-17
These commodities, technology or software if exported from the United States must be in accordance with the Bureau of Industry, and Security, Export Administration regulations. Diversion contrary to U.S law is prohibited.
H25 Incremental Optical Encoder
Figure 1
Output Waveform
Notes
Tables
Table 1:
style will determine pinouts. For example, an encoder with
The connector
Incremental Output Terminations
The connector style will
M16 CONNECTOR
For example, an
DESIGNATED IN MODEL NO.
determine pinouts.
M14 CONNECTOR
CHANNELS
encoder with
ABC channels and an M18 connector uses the table to
ABZ
right.
the
PIN
PIN
ABC
M14 CONNECTOR
D
PIN
C
E
B
D
F
C
A
B
F
A
Table 1: Incremental Output Terminations
ABC channels and an M18 connector uses the table to the right.
E
WIRE COLOR
(2
2 AWG)
CONNECTOR
ABZ
ABC
ABZC
WIRE COLOR
DA 15P
1
CHANNELS DESIGNATED IN
A
MODEL NO.
YL
E
3
A
A
(22AWG)
CONNECTOR
1
ABZ
ABC
ABZC
BLUE
4
B
B
B
YEL
ORN
13
A
A
A
1
5
Z
—
Z
BLUE
14
B
B
B
W -l
Ye
1
0
—
A
A
ORN
15
Z
—
Z
W Bu
1
1
—
B
B
W-Yel
-l
10
—
A
A
W -r
On
1
2
—
—
Z
W-Blu
11
—
B
B
6
+ ( U P V LT G )
V S P LY O A E
Z
W-Orn
RED
12
—
—
BK
L
1
0 V (CIRCUIT COMMON)
RED
6
+V (SUPPLY VOLTAGE)
9
C S G O
COMMON)
e c p 2 )
AE R N C)
BLK
GRN
1
0V (CIRCUIT
U D ( G ( x e t H 0
S I L D
(CG)
( h e d
H20)
l n y
HED AN Sil d a
GRN
WHITE
9
CASE GROUND
R I
(except
e C b e O l )
WHITE
SHIELD DRAIN (Shielded Cable Only)
M16 CONNECTOR
B
PIN
C
A
D
B
E
C
D
F
E
G
F
G
D 1P
A5
A
CHANNELS DESIGNATED IN MODEL NO.
B
B
ABZ
ABC
Z
A
A
+ ( U P V
A
AGE)
V S P LY O
LT
B
B
—
B
Z
A
0 V
VOLTAGE)
COMMON)
(CIRCUIT
+V (SUPPLY
C S G O N ( G
B
( x e t H 0
AE RUD C) ecp 2)
—
0V (CIRCUIT COMMON)
CASE GROUND (CG) (except H20)
CHANNELS DESIGNATED IN MODEL NO.
A
A
M18 CONNECTOR
PIN
CHANNEL
A
CONNECTOR
A
M 18
B
B
PIN
CHANNEL
C
Z
A
A
D
+
B
B
V
E
C
Z
—
0
D
F
+V
V
E
G
—
CG
F
H
0V
A
G
I
CG
B
A
H
J
Z
I
J
PIN
CHANNEL
M 12 CONNECTOR
A
PIN
A
CHANNEL
A
B
A
B
B
C
B
Z
C
D
Z
+
V
D
E
+V
—
E
—
F
0
V
F
0V
G
CG
G
CG
H
H
A
A
B
B
J
J
Z
Z
K
K
M12 CONNECTOR
B
Z
Table
e
2:
2: Disc Resolutions for Incremental Encoder Models
H25,
H38, H40 L25 E2
Ta l
Disc Resolutions for Incremental Encoder Models
H25,
H38, H40, L25, E25
b
, , 5
Resolutions
s h g l g t d w t
R s l t o
highlighted with
h
eouin ihihe i
are available as standard
Model H25 EXPRESS ENCODERS
ship in one
n o
three days.
a s
a e a a l b e a s a d r
Model 25 EXPRESS ENCODERS© that
t a s i i
to
n t t r e d y .
r vial s tnad
ht hp
e o he
®
1,
,
2,
3 5 6
6,
,
7,
1,
10,
1
13,
,2,2,2,3,
25,
3
26,
,3,3,4,4,
34,
5
36,
,5 , 6, 6, 6
48,
, 7, 8, 8
56*,
9, 1
64,
0, 10 12
1 2
3, 5,
,7 8
8,
1, 6 2
16, 20,
6 0 3, 3 3
30, 32,
0 5 4, 0 5
37, 40, 45,
6 7
50, 51,
6 8 ,
60,
0 , 1 2 2
72,
,
,,,
, 0 3 , 0 4 5
24,
2 , 4 6 7
33,
8 , 1 6* 0 4 , 2 5 0 , 8 0 0
66,
, 2
75,
80, 86, 88, 90, 100, 102, 120, 122,125, 127, 128, 132, 144, 148, 150, 158, 160, 175, 176, 180, 187, 192, 200,
1 5 1 7 1 8 1 2 1 4 1 8 1 0 1 8 1 0 1 5 1 6 1 0 1 7 1 2 2 0 2 2 2 4* 2 7 2 0 2 0 2 0 2 4 2 5 2 6 2 4 , 2 4 2 0 2 3
2, 2, 2, 3, 4, 4, 5, 5, 6, 7, 7, 8, 8, 9, 0, 0, 0 , 1, 2, 4, 5, 5, 5, 5, 6* 7, 8, 8,
202, 204*, 217, 220, 240, 250, 254, 255, 256, 264*, 274, 280, 283, 292, 300, 312, 320, 321, 325, 360, 366,
2 8
375,
0
377,
, 3 0
381, 384,
, 3 6 7 , 3
400,
3 0 8 , 3 , 3 5
462,
0 , 4 0
490, 500,
6 , 8 , 4 0 5
512, 522,530,
2 ,
8 , 9 , , 1 2 , 2 , 2 , 6 6 , 2 7 , 7 , 8 , 1 8 8 , 9 , 0 3 3 , 5 ,
502,
9 , 0 0 , 0 , 2
550,
372,
2 2 3 0 3 2
380,
3 1 3 5 3 0
385,
3
393,
5 3 7
430,
3
432,
4
450,
3 3 4
480,
, 4 2 4 0 4 2 4 0
508,
0 5 2 5 8 51 , 5 2
560*,
5
576, 598,
,
600,
0
604,
,
625,
2 , 6 5
638,
4 , 6 0
660,
6
672,
,
676,
6
680,
, 7 0 7
690,
, 7 0 7
720,
8
725,
7
735,
8
740,
7
744,
5 0 5 , 5 0* 5 6 5 8 6 0 6 4 6 5 6 8 3 , 6 8 6
640,
, 6 2 7 , 6 0 6 7 9 , 7 0
687,
2 , 7 5
700,
4 , 7 , 7 0 6 , 7 , 7 0 8 ,
3 , 0 6 , 7 9 , , 0 2 ,
635,
3 , 0 6 7 , 6 8 8 , 0 0 2 , 5 3 4 , 4 4 5 , 2 6 8 , 5
748, 750, 762, 768, 780, 785, 800, 812, 825, 850, 864, 878, 888, 900, 912, 914, 938, 942, 955, 960, 1000,
80 82 2, 5, 6, 7, 88 0, 1, 1, 3, 92 9 , 0
0,
, 06 04 0 , 05 06 0 , 04 06 0 , 06 00
1016,
1 , 8 5 8 0 8 4 8
1035,
9 0 9 2 9 4 9 8
1054,
5 96,1000 1 1 , 1 2 , 1 3
1080,
1 3 , 1 4
1100,
1 5 , 1 7
1125,
1 8 ,
1024, 1030,
8 8 ,
1036, 1040,
4 , 5
1056, 1074, 1076,
0 1 3 ,
1088,
0 1 5 ,
1101,
4 1 7 ,
1136,
1 8 , 1 0 1 0 , 1 2 , 1 6 1 0 , 1 3 , 2 0 2 7 1 7 , 2
1314,
1 1 , 1 3 , 1 3 , 1 9 , 4 0 1 1 , 1 2 , 4 0 1 4 5 0
1484,
0 8 0 , 1 1 5 3 , 2 2 7
1280,
2 0 0 3 0 3 4
2 3
30 0, 4
4 7 4 , 4
1440,
5 2
1200,
1
1237,
1
1250,
1
1257,
0
1270,
1 5 , 1 5 ,
1300,
1 8 , 1 0
1332,
3
1333,
3
1390,
1
1400,
4
1414,
1
1427,
8 , 1 0 , 1 6 ,
1500,
1 9 , 1 0 , 1 5
1596, 1600,
7 5 1 7
1666, 1718,
1 5 , 1 5 , 1 7 , 1 9 , 1 2 , 1 5
1850, 1855,
9
1875,
0
1894,
2 8 ,
1562,1570,
0 1 6 , 1 1 , 1
1650,
4 1 0 , 1 4 ,
1745,
8
1774,
5
1800, 1840*,
2 1 6 , 1 7 1 9 , 20 , 2 4 ,
1920,
1 7 , 5 6 6 0 6 , 6 6 7 8 4 , 7 , 8 0 8 0* 8 0
50
5 8
8 4 9 0 9 , 9 8 9 9, 5 0 0 8 0 0
1952, 1968, 1979, 1995, 2000, 2048, 2080, 2094, 2100, 2160, 2164, 2199, 2200, 2250, 2356, 2400,
2 9 ,
2500,
0 1 4 2 9 , 2 0 2 0 2 5 , 2 0 , 2
2833,
0 2 1 , 2 1 , 2
3600,
0 1 5
4096,
0
5000
6 0 0
0 4 1 0 1
2514,
1 9 0 , 2 , 3 6 4 0 8 , 5 , 5 4 5 9 4 , 0
4000,
6 0
0 0
2485,
2 0 , 2 6 , 2 6 ,
2519,
2
2540,
5
2821, 2827,
4 5 2 0
3000, 3125,
5 0 3 0 , 3 2 , 3 0 , 4 0 , 4 9 , 5 0
* B o A C o
up
u
to 72,000
O E R s l t o p o 2 0 0 r v i a l .
A r B t
n y. T : e o u i n
*AB or ABC output only. NOTE: Resolutions
u p t o l N
are available.
s u t 7 , 0 a e a a l b e
These commodities, technology or software if exported from the United States must be in accordance with the Bureau of Industry,
and Security, Export Administration regulations. Diversion contrary to U.S. Law is prohibited.
1.
Mounting is usually done either using the D-style square flange mount, E- or G-style
servo mounts, or one of the standard face mounts, F1 for example. Consult factory for
additional face mount options.
2.The
shaft seal is recommended in virtually all installations. The most common excep-
tions are applications requiring a very low starting torque or those requiring operation at
both high temperature and high speed.
3.
Non-standard index widths and multiple indices are available by special order. Consult factory.
4.
Complementary outputs are recommended for use with line driver type (source/sink)
outputs. When used with differential receivers, this combination provides a high degree
of noise immunity.
5. Output IC’s:
Output IC’s are available as either Line Driver (LD) or NPN Open Collector
(OC) types. Open Collectors require pull-up resistors, resulting in higher output source
impedance (sink impedance is similar to that of line drivers). In general, use of a Line
Driver style output is recommended. Line Drivers source or sink current and their lower
impedance mean better noise immunity and faster switching times.
Warning:
Do not
connect any line driver outputs directly to circuit common/OV, which may damage the
driver. Unused outputs should be isolated and left floating. Our applications specialists
would be pleased to discuss your system requirements and the compatibility of your
receiving electronics with Line Driver type outputs.
28V/V:
Multi-voltage Line Driver (7272*): 100 mA source/sink. Input voltage 5 to 28
VDC +/- 5% standard (Note: V
out
= V
in
). This driver is TTL compatible when used with
5 volt supply. Supply lines are protected against overvoltage to 60 volts and reverse
voltage. Outputs are short circuit protected for one minute. Supply current is 120 mA
typical (plus load current). This is the recommended replacement for 3904R and 7406R
open collector outputs with internal pullup resistors. It is also a direct replacement for any
4469, 88C30, 8830 or 26LS31 line driver
28V/5:
Multi-voltage Line Driver (7272*): 100 mA source/sink. Input voltage 5 to 28 VDC +/-
5% standard, internally regulated with 5V (TTL compatible) logic out. Supply lines are protected
against overvoltage to 60 volts and reverse voltage. Outputs are short circuit protected for one
minute. Supply current is 90 mA typical (plus load current).
15V/V:
Multi-voltage Line Driver (4469*): 100 mA source/sink. Input voltage 5 to 15
VDC +/- 5% standard (Note: V
out
= V
in
). TTL compatible when used with 5 volt supply.
Supply lines are protected against overvoltage to 60 volts and reverse voltage. Outputs
are short circuit protected for one minute. Supply current is 90 mA typical (plus load
current). This is a direct replacement for the 4469 Line Driver.
28V/OC:
NPN Open Collector (3904*, 7273*). Current sink of 80 mA max. Current
sourced by external pull- up resistor. Output can be pulled up to voltage other than supply
voltage (30 V max). Input voltage 5 to 28 VDC +/- 5% standard. Supply current is 120
mA typical. This replaces prior IC’s with designations of 3904, 7406, 3302, 681 and 689.
5V/OCR, 15V/OCR, 24V/OCR:
Open Collector (3904R*, 7406R*, 7273R*): Current
sink of 70 mA max. Includes internal pull-ups sized at approximately 100 ohms/
volt. 5V/V. 5V/OC, 5V/OCR and 9V/OC can be intrinsically safe line driver and open
collector outputs available on certain model variations. They are intrinsically safe only
when installed per the controldrawing noted on the certification label affixed to the
encoder body.
3904, 3904R, 4469, 5V/V, 5V/OC, 5V/OCR, 9V/OC:
Intrinsically safe line driver
and open collector outputs. These drivers are specific to intrinsically safe encoders,
and are installed per the appropriate control drawings listed in Table 2.1 on page 48.
6.
Special –S at the end of the model number is used to define a variety of non-standard
features such as special shaft lengths, voltage options, or special testing. Please consult
the factory to discuss your special requirements.
7.
Higher frequency response may be available. Please consult with the factory.
8.
Mating straight plug receptacles may be ordered from the factory:
For M12 use MS3116F12-10S, For M14 use MS3106F14S-6S
For M14/19 use MS3116J14-19S, For M16 use MS3106F16S-1S
For M18 use MS3106F18-1S, For M20 use MS3106F20-29S
* Products manufactured prior to April 2007 used the line driver IC number instead of
voltage output in model number.
Nte a d Ta l s
o s n
be
Tel: 805-716-0322 /800-350-2727 |
www.beisensors.com
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