HS35 Absolute Encoder
Electrical Specifications
Options: Parallel: NB or GC 12-14 Bits (see Table 1)
Serial (S3): 12-16 Bits (see Table 3)
Analog: (A1-A5) 12-16 Bits (see Table 2)
Counts Per Shaft Turn: 4096–65536 depending on options
Count Transition Accuracy: ± 1/2 bit maximum (Consult factory over 13 Bits)
Supply Voltage: 5–28 VDC ; 13-28 VDC for Analog
Current Requirements: 120 mA typical
Output Formats: Parallel: Gray Code, Natural Binary, Serial and Analog
Voltage/Output: (see note 2)
28V/V: Line Driver, 5–28 VDC in, V = V
out
in
28V/5: Line Driver, 5–28 VDC in, V = 5 VDC
out
28V/OC: Open Collector, 5–28 VDC in, OC
out
SSI: 5–28 VDC in/5V (consult factory for more information)
out
Analog: A1-A5
Protection Level: Reverse, overvoltage and output short circuit protection
Frequency Response: 500kHz or 6000 RPM (Parallel)
Output Termination Pinouts: see tables
For S3 options, reference Spec Addendum 02087-005
For A1-A5 options, reference Spec Addendum 02088-002
Mechanical & Environmental Specs
Built on the same rugged design as the incremental model, the HS35
Absolute Encoder is available with various output options including
Gray Code and Natural Binary. Designed with a cast aluminum hous-
ing, a sealed connector and shaft seals, it carries an IP65 environ-
mental rating. With the optional insulating inserts, it can be mounted
on smaller diameter shafts. It is designed for either a through shaft
mounting or blind shaft mounting with a closed cover to maintain its
environmental rating.
Shaft Bore: many diameters from .375 to 1.000 inch are available, including metric.
(Consult factory for details)
Allowable Misalignment: 0.005” T.I.R. on mating shaft 0.75” from shaft end
Bore Runout: 0.001 T.I.R. maximum
Starting Torque at 25°C: Through shaft version (SS) = 7 in-oz (max);
Blind shaft version (BS) = 4 in-oz max
Bearings: 52100 SAE High carbon steel
Shaft Material: 416 Stainless Steel
Bearing Housing: Die cast aluminum with protective finish
Cover: Die cast aluminum with protective finish
9
Bearing Life: 7.5 X 10 revs (50,000 hours @ 2500 RPM)
Maximum RPM: 6,000 mechanical (see frequency response, above)
2
Moment of Inertia: 0.019 oz-in-sec
The HS35 Absolute Encoder is available with the following certification:
EN 55011 and EN 61000-6-2
Weight: 18oz typical
Temperature: Operating, 0° to 70°C; Extended temperature ratings are available in the
following ranges: -40 to 70°C, -40
to 85°C. Extended temperature ranges can affect other perfomance factors.
NOTES & TABLES: All notes and tables referred to in the text can be found on pages 2 &3.
HS35 Absolute Encoder Ordering Options FOR ASSISTANCE CALL 800-350-2727
Use this diagram, working from left to right to construct your model number (example: HS35F-100-R1-SS-12GC-28V/V-CW-SM14/19).
All notes and tables referred to can be found on the back of this page.
SPECIAL
FEATꢀRES:
S = Special
features specified on
purchase order
See note 3
(consult factory
for more
COꢁE TYPE:
GC = Gray Code
NB = Natural Binary
*Leave blank for A1-A5
ꢁIRECTION OF COꢀNT:
CW = Clockwise
TETHER:
R1 = Tether Block
and Pin
HOꢀSING :
F = Standard
X =
Express
Encoder
increasing count
NꢀMBER
OF BITS:
CCW = Counter clockwise
increasing count
R2 = Tether Arm
SHAFT BORE:
100 = 1.00”
87 = 0.875”
75 = 0.75”
62 = 0.625”
50 = 0.50” etc
12 = 12 Bits,
4096 counts
13 = 13 Bits,
8192 counts
14 = 14 Bits,
16384 counts
15 = 15 Bits,
32768 Counts
16 = 16 Bits,
65536 counts
TYPE:
SHAFT SEAL
CONFIGꢀRATION:
SS = Through Shaft
Rubber Seals
BS = Blind Shaft
Rubber Seal
FS = Through Shaft
Felt Seals
BFS = Blind Shaft Felt
Seal
OꢀTPꢀT TERMINATION:
VOLTAGE/OꢀTPꢀT:
HS = Hollow Shaft
35 = 3.5” Encoder
Diameter
SM14/19 = 19 Pin connector;
SCS = Shielded/Jacketed
28V/V = 5-28V
28V/5 = 5-28V 5V
28V/OC = 5-28V OC
in/ out
in/out
information)
in/ out
Cable with Cable Seal. Length of Cable is
specified in inches (i.e. SCS18 = 18 inches)
SM18 = MS3102R18-1P
S3 = SSI
A1 = 4-20mA
A2 = 0-10V
A3 = 0-20mA
A4 = 0-5V
A5 = 0-24mA
See note 2
(A1–A5 and S3 outputs only)
(Consult factory for
more information)
See note 1
(consult factory for more information)
ARE STANDARD EXPRESS ENCODERS AND SHIP IN ONE TO THREE DAꢀS.
BEI and Express Encoder are registered trade-
marks of BEI Sensors and Sytems Company.
EXPRESS ENCOꢁERS: ITEMS HIGHLIGHTED WITH
Tel: 805-968-0782 /800-350-2727 | Fax: 805-968-3154 / 800-960-2726
7230 Hollister Ave., Goleta, CA 93117-2807 | www.beisensors.com
Specification No. 02070-001 Rev.5-14
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.
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