Encoder Installation Manual
ELECTRICAL CONNECTIONS
* Index (Z) optional. See Ordering Information
† Alarm not available with Pigtail cable. See Ordering Information
NorthStar
™
brand
NexGen RIM Tach HT85
Encoder
Key Features
SPECIFICATIONS
Common
B
A
Z*
Alarm †
Vcc (5-26 VDC)
B
A
Z*
Shield
1
2
3
4
5
6
7
8
9
10
Black
Green
Blue
Violet
N/A
Red
Yellow
Gray
Orange
Braid
Signal
Connector Pin Pigtail Cable MS 3102E18-IT#
A
E
D
C
F
B
H
G
I
J
_
_
_
CONTENTS
Specifications ........................Pg 1
Important ................................Pg 2
Mechanical Installation .........Pg 4
Sensor Module Installation ...Pg 5
Electrical Installation .............Pg 6
Dimensions ............................Pg 7
Ordering Information .............Pg 7
• Hollowshaft Design Mounts Easily to Large Motor
Shafts, up to 4.50” in Diameter
• New Sensor Provides up to 0.075” of Air Gap,
Over 50% More Than Competitive Models
• Expanded Resolution up to 2400PPR
• Redesigned Circuitry for On-Board Diagnostics with
LED and Alarm Output
• Multiple Bore Sizes Available, Including Tapered Shafts
• Stainless Steel and Ductile Cast Iron Construction
EN 61326-1
STANDARD OPERATING CHARACTERISTICS
Code:
Incremental, Magnetic
Pulses per Revolution:
60-2400 PPR
Phasing Sense:
A leads B for Counter-Clockwise
rotation (CCW) viewing encoder-mounted end
Quadrature Phasing:
90° ± 45°
Symmetry:
50% ±15%
Number of Output Modules:
Single or Dual
ELECTRICAL
Input Power Requirements:
5-26VDC, 95mA
typical per sensor module, plus line driver load
Output Signals:
IC-WE Differential Line Driver:
150mA, sink or source
Frequency Response:
0 - 180kHz Data & Index
Noise Immunity:
Tested to EN61326-1
Electrical Immunity:
Reverse polarity and short
circuit protected
MECHANICAL
Bore Diameter:
1” to 4-1/2”, straight or tapered
Mounting Configuration:
Hollow Shaft mount
with Anti-Rotation Tether
Shaft Speed:
3,600 RPM
Shaft Length Required:
2.5” min
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)
Housing Material:
Cast Iron/Stainless Steel
Weight:
30 lbs
ELECTRICAL (Cont.)
Connector:
10 pin industrial duty latching, sealed
NEMA 4 &12, IP65. Optional MS3102 10 pin,
Pigtail Cable, or Latching connector on cable
extension
ENVIRONMENTAL
Operating Temperature Range:
-40°C to +85°C
Storage Temperature Range:
-40°C to +120°C
Shock (Sensor Module):
30 G’s Min
Vibration:
18 G’s @ 5-2000 Hz spectrum
Humidity:
Up to 98% (non-condensing)
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