HEAVY DUTY
SERIES HS85
Hollow Shaft Encoder
Key Features
• Hollowshaft Design Mounts Easily to Large
Motor Shafts, up to 4.5” in Diameter
• Magneto-Resistive T echnology with
Removable On-The-Fly Sensor Modules
• Multiple Bore Sizes Available, Including
T apered Shafts
• Stainless Steel and Ductile Cast Iron
Construction
NorthStar
™
brand
SPECIFICATIONS
STANDARD OPERATING CHARACTERISTICS
Code: Incremental
Pulses per Revolution: 60-2048
Phasing Sense: A leads B for Counter-Clockwise
rotation (CCW) viewing encoder-mounted end
Quadrature Phasing: 90° ± 22°
Symmetry: 180° ± 54°
Index:
270°, ungated (optional gated to falling B edge)
ELECTRICAL
Input Voltage Requirement: 5-15 or 15-26 Volts
DC
Current Requirement:
With Electrical Option L: 45mA typical per sensor
module plus line driver load
With Electrical Option R: 65mA typical per sensor
module plus line driver load
With Electrical Option 5: 65mA typical per sensor
module plus line driver load
Output Signals:
With Elec Option L: 5-15 V Line Driver, 150mA
With Elec Option R: 15 V Line Driver, 150mA
With Elec Option 5: 5V Line Driver, 150mA
Electrical Immunity: 2kV ESD, Reverse Polarity,
Short Circuit
Connector: 10 pin industrial duty latching, sealed
NEMA 4 &12, IP65; MS connector or pig-tail
EN 61326
MECHANICAL
Mating shaft sizes: 1-1/8" to 4-1/2", straight or
tapered bore
Shaft Speed: 3,600 RPM
Mounting Configuration: Hollow Shaft mount
with Anti-Rotation Tether
Housing Material: Cast Iron/Stainless Steel
Acceleration Rate: 3,600 rpm/sec max
Allowable Shaft End-Play: 0.25” (Subject to
RPM Limitation)
Allowable Shaft Runout: 0.010” TIR (Subject to
RPM Limitation)
ELECTRICAL CONNECTIONS
Signal Connector Pin Pigtail Cable MS 3102E18-IT#
Common
B
A
Z *
No Connection
Vcc
—
B
—
A
—
Z *
Shield
* Index (Z) optional. See Ordering Information
1
2
3
4
5
6
7
8
9
10
ENVIRONMENTAL
Operating Temperature Range: -20°C to +70°C
Storage Temperature Range: -40°C to +120°C
Humidity: to 98% RH (non-condensing)
Shock (Sensor Module): 1 meter drop test,
30 G’s Min
Vibration: 18 G’s @ 5-2000 Hz spectrum
Black
Green
Blue
Violet
—
Red
Yellow
Gray
Orange
Braid
A
E
D
C
—
B
H
G
I
J
1.62
by
Code 1: Model
H8
H8 Hollow
Shaft
Ordering Information
To order, complete the model number with code numbers from the table below:
Code 2: PPR
0300
0060
0480
0064
0512
0075
0600
0120
0960
0128
1024
0150
1200
0240
2048
0256
Code 3: Index
L No Index
Available when
Code 2 is 0480,
0512, 0600,
0960, 1024,
1200 or 2048
G Gated
Index (Z,
Z Differential
Index (Z,
Code 4: Wheel Bore
Thru-bores
T01 1-1/8" bore
T02 1-3/8" bore
T03 1-5/8" bore
T04 1-7/8" bore
T05 2.00" bore
T06 2-1/8" bore
T07 2-1/4" bore
—
Z)
T08 2-3/8" bore
T09 2-1/2" bore
—
T10 2-7/8" bore
Z)
Ordering Information
Code 5: Output
1 Single
2 Dual (Isolated)
Differential,
bidirectional
signals
—
(A,
A, B, —B)
HEAVY DUTY
SERIES HS85
Code 6: Electrical
L 5-15V in, 5-15V
Line Driver (4428) out
R 15-26V in, 15V
Line Driver (4428) out
5 5-15V in, 5V
Line Driver (4428) out
Code 7: Termination
C Latching Industrial
Connector with 1/2" NPT
M 10 pin MS Connector
P 18" Pigtail
Note: See ACCESSORIES Section For
Connectors, Spare Parts and Pulse Wheels
inch
DIMENSIONS
8X M4-0.7X20 SOCKET HEAD SCREW
TIGHTEN TO 15IN-LBF (REF)
[mm]
ANTI-ROTATIONAL ARM
Bores with 1.25" per
foot taper
P01 1-1/8" bore
P02 1-3/8" bore
P03 1-5/8" bore
P04 1-7/8" bore
P05 2.00" bore
P06 2-1/8" bore
P07 2-1/4" bore
P08 2-3/8" bore
P09 2-1/2" bore
P10 2-7/8" bore
Additional Shaft Sizes
Up to 4.50" Maximum
Available (thru and
taper shaft)
Call factory for details
7.75±.25
[196.85
±
6.35]
1/2" NPT
CONDUIT CONNECTION
.375X24 UNF
TIGHTEN TO 20FT-LBS (REF)
0.87 [22.1]
2.13 [54.1]
SECOND OUTPUT
(OPTIONAL)
15.92
[404.37]
12.31
[312.67]
7.96
[202.18]
REFER TO ORDERING INFORMATION
FOR AVAILABLE BORE SIZES.
8.71 [221.23]
2.62
[66.55]
0.16
[4.06]
1.63