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NorthStar
™
brand
NexGen SLIM Tach HT55 Encoder
Key Features
• Hollowshaft Design Mounts Easily to Large
Motor Shafts, up to 2.875" in Diameter
• Single or Dual Isolated Outputs Available
with Field-Serviceable Connector
• Expanded Resolution up to 4096PPR
• Redesigned Circuitry for On-Board
Diagnostics with LED
• Multiple Bore Sizes Available
• Stainless Steel and Aluminum
Construction
SPECIFICATIONS
STANDARD OPERATING CHARACTERISTICS
Code: Incremental, Magnetic
Pulses per Revolution: 256-4096PPR
Phasing Sense: A leads B for CW shaft rotation
viewing the shaft clamp end of the encoder
Quadrature Phasing: 90° ± 45°
Symmetry: 50% ±15%
Number of Output Modules: Single or Dual
ELECTRICAL
Input Power Requirements: 5-26VDC, 120mA
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
ELECTRICAL CONNECTIONS
Signal
Connector Pin
Common
B
A
Z*
No Connection
Vcc (5-26 VDC)
_
B
_
A
_
Z*
Shield
* Index (Z) optional. See Ordering Information
Encoder Installation Manual
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
MECHANICAL
Bore Size: 1/2" to 2-7/8"
Mounting Configuration: Hollow Shaft mount
with Anti-Rotation Tether
Max. Shaft Speed:
Shaft Size ≤ 1.250 = 5000 RPM,
Shaft Size > 1.250 = 3600 RPM
Torque:
Shaft Size ≤ 1.250: Typical 6 oz-in
Shaft Size > 1.250: Typical 15 oz-in
Shaft Length Required: 1.60" Minimum
Acceleration Rate: 3,600 rpm/sec max
Housing Material: Hard Anodized Aluminum,
W/Stainless Steel Shaft.
Weight: 5 lbs.
Pigtail Cable
1
Black
2
Green
3
Blue
4
Violet
5
—
6
Red
7
Yellow
8
Gray
9
Orange
10
Braid
MS 3102E18-IT#
F
B
A
C
E
D
I
H
J
G
ENVIRONMENTAL
Operating Temperature Range: -40°C to +85°C
Storage Temperature Range: -40°C to +120°C
Shock: 100 G's Min.
Vibration: 20 G's @ 5-2000 Hz spectrum
Humidity: Up to 98% (non-condensing)
CONTENTS
Specifications ........................Pg 1
Important ................................Pg 2
Mechanical Installation .........Pg 4
Electrical Installation .............Pg 9
Dimensions ..........................Pg 10
Ordering Information ...........Pg 10
Page 1
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Summary of Contents for NorthStar NexGen SLIM Tach HT55
- Page 1 NorthStar ™ Encoder Installation Manual brand NexGen SLIM Tach HT55 Encoder Key Features • Hollowshaft Design Mounts Easily to Large Motor Shafts, up to 2.875” in Diameter • Single or Dual Isolated Outputs Available with Field-Serviceable Connector • Expanded Resolution up to 4096PPR •...
- Page 2 IMPORTANT INSTALLATION INFORMATION GENERAL GUIDELINES ELECTRICAL CONNECTIONS (cont.) In some cases, there may be more than one table or Encoders provide quality measurements and long the table may be broken into sections due to different life when common sense, care, and accurate align- output types.
- Page 3 IMPORTANT INSTALLATION INFORMATION FEATURES (cont.) LED STATUS LIGHT: When encoders have a differential line driver, there A multicolor LED Status light will indicate to the user are two signals for each of the outputs. Each signal the overall condition of the encoder. The LED is built (A, B and Z) has a compliment or inverse (A, B and Z into the encoder and does not require any additional referred to as A not, B not, and Z not).
- Page 4 MECHANICAL INSTALLATION A. GENERAL OVERVIEW STEP 1: PREPARATION AND RECOMMENDED TOOLS The following instructions are meant to assist in proper installation of Disconnect power from equipment and encoder cable. Ensure that Dynapar brand, Series HT55 hollowshaft encoders. The encoder is a you have the proper tools.
- Page 5 STEP 8: TIGHTEN ENCODER CLAMP ONTO MATING SHAFT STEP 6: SLIDE ENCODER ON SHAFT Check to make sure that the tether is still in its “unstressed” condi- Carefully slide the encoder all the way down until the tether rests on tion.
- Page 6 MOUNTING TO A NEMA 4.5” OR 8.5 C-FACE MOTOR WITH ROD TETHER DATE APPROVED MODIFIED 1/2-13 X 1" FOR 8.5" C-FACE MODIFIED 3/8-16 X 3/4" FOR 4.5" C-FACE C-FACE MOTOR 10-32 X 4" THREADED ROD 10-32 X 2.5" THREADED ROD (CUT TO LENGTH AS REQUIRED) 2X 10-32 STUDDED ROD END 2X 10-32 SQUARE NUT...
- Page 7 MOUNTING TO A MOTOR WITH A FAN SHROUD WITH ROD TETHER DATE APPRO 10-32 SQUARE NUT TYPICAL MOTOR ANCHOR BOLT BRACKET W/ FAN SHROUD HEX NUT ROD ARM ASSEMBLY TITLE TOLERANCES UNLESS UNITS: INCH Components for Mounting on Fan Shroud Motor. MATERIAL: INDICATED: .XXX...
- Page 8 MOUNTING TO A MOTOR WITH A FAN SHROUD (CONT.) 1. Locate the torque arm mounting hole on the motor side of the encoder. Insert the 10-32 bolt through the rod end of the torque arm. Tighten the 10-32 bolt to 40 in-lbs. 2.
- Page 9 1.2 ELECTRICAL INSTALLATION 4. Mate connector into place on sensor mount and IT IS VERY IMPORTANT that the mating connector snap the two latches into place. If only one sensor is and the encoder body be isolated from electrical being installed, ensure cover plate is installed over ground in the wiring and conduit to prevent motor or other sensor hole.
- Page 10 INCREMENTAL ENCODERS SERIES HT55 NorthStar ™ brand Ordering Information To order, complete the model number with code numbers from the table below: Code 4: Wheel Bore Code 5: Termination Code 6: Electrical Code 1: Model Code 2: PPR Code 3: Index...
- Page 11 INCREMENTAL ENCODERS SERIES HT55 DIMENSIONS inches (24X) 15˚ 24X Ø .200 [5.08] 4.50 ON A Ø3.000 [76.2] B.C.D [114.3] 2.50 Ø2.506 [63.5] [63.65] Ø3.50 [89] .500 [12.7] Ø.20 15˚ (24X) 1.25 [31.75] [.51] (24X) .63 [16] ON 3.000 [76.2] B.C.D (2X) 45˚...
- Page 12 Fax: +1.847.662.4150 Fax: +1.847.662.4150 Germany custserv@dynapar.com northstar.techsupport@dynapar.com Headquarters: 1675 Delany Road • Gurnee, IL 60031-1282 • USA www.hengstler.com NorthStar™ brand is a trademark of DYNAPAR. All rights reserved. Specifications subject to change without notice. Document No. 703292-0001, Rev. A ©2020 DYNAPAR...