Instruction Manual
SLIM Tach® SL85
Magnetoresistive Encoder
Designed for use in
0.625” to 3.000” (16mm to 76mm) Shaft Diameters
*791-1008-00 Rev.J*
1 © DYNAPAR +1.800.873.8731
NorthStar SLIM Tach® SL85 Instruction Manual
Table of Contents
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1 |
Introduction....................................................................................................................................... |
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1.0 |
Safety Summary................................................................................................................................... |
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1.1 |
General................................................................................................................................................. |
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1.2 |
Description........................................................................................................................................... |
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Figure 1: SLIM Tach® SL85 Thru-Shaft Exploded View w/ Spare Parts............................. |
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1.3 |
Specifications |
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2 |
Installation......................................................................................................................................... |
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2.0 |
Inspection and Unpacking ................................................................................................................... |
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2.1 |
Motor Facing and Shaft for Thru-Shaft SL85 ..................................................................................... |
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Figure 2: Typical 8.5 Inch Diameter Type C-Face Motor Thru-Shaft Application .............. |
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2.1.1 |
Encoder Frame Installation.................................................................................................................. |
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Figure |
3: calTypiMotor Mounting........................................................................................ |
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2.1.2 |
Thru-Shaft |
PulseWhel Installation.................................................................................................... |
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Figure 4: Pulse Wheel Orientation ....................................................................................... |
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Figure 5: SLIM Tach® SL85 End-of-Shaft Exploded View .................................................. |
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2.2 |
Motor Facing and Shaft for End-of-Shaft SL85 ................................................................................. |
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Figure 6: Typical 8.5 Inch Diameter Type C-Face Motor End-of-Shaft Application ........... |
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2.2.1 |
Encoder Frame Installation.................................................................................................................. |
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2.2.2 |
End-of-Shaft Pulse Wheel Installation ................................................................................................ |
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Figure 7: Pulse Wheel Assembly .......................................................................................... |
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2.3 |
Electrical Installation ........................................................................................................................... |
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2.3.1 |
Quick Release Connector Hood Wiring .............................................................................................. |
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Figure 8: Sealed Industrial Latching Connector .................................................................. |
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2.3.2 |
Returning Equipment to Dynapar ........................................................................................................ |
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Methods and apparatus disclosed and described herein have been developed solely on company funds of Dynapar No government or other contractual support or relationship whatsoever has existed which in any way affects or mitigates proprietary rights of Dynapar in these developments. Methods and apparatus disclosed herein may be subject to U.S. Patents existing or applied for. Dynapar reserves the right to add, improve, modify, or withdraw functions, design modifications, or products at any time without notice. Dynapar shall not be liable for errors contained herein or for incidental or consequential damages in connection with furnishing, performance, or use of this material.
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© DYNAPAR |
NorthStar SLIM Tach® SL85 Instruction Manual
1.0 Safety Summary
High current, voltage, and rotating parts can cause serious or fatal injury. The use of electric machinery, like all other uses of concentrated power and rotating equipment, may be hazardous. Installing, operating, and maintaining electric machinery should be performed by qualified personnel, in accordance with applicable provisions of the National Electrical Code and sound local practices. Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design, manufacture, and intended use of the instrument. Dynapar assumes no liability for the customer's failure to comply with these requirements.
Avoid contact with rotating parts. Avoid by-passing or rendering inoperative any safety guards or protection devices. Avoid extended exposure in close proximity to machinery with high noise levels. Use proper care and procedures in handling, lifting, installing, operating and maintaining the equipment.
Safe maintenance practices with qualified personnel is imperative. Before starting maintenance procedures, be positive that,
(1) equipment connected to the shaft will not cause mechanical rotation, (2) main machine windings have been disconnected and secured from all electrical power sources, and (3) all accessory devices associates with the work area have been deenergized. If high potential insulation test is required, follow procedures and precautions outlined in NEMA standards MG-1.
Improperly grounding the frame of the machine can cause serious or fatal injury to personnel. Grounding of the machine frame and structure should comply with the National Electrical Code and with sound local practices. Check wiring diagram before connecting power.
Do not operate the instrument in the presence of flammable gases or fumes. Operating any electrical instrument in such an environment constitutes a definite safety hazard.
Operating personnel must not remove instrument covers. Component replacement and internal adjustments must be made by qualified maintenance personnel. Do not replace components with power cable connected. To avoid injuries, always disconnect power and discharge circuits before touching them.
Do not install substitute parts or perform any unauthorized modification to the instrument. Introducing additional hazards is dangerous. Return the instrument to an authorized Dynapar representative for service and repair to ensure that safety features are maintained.
A CAUTION heading precedes potentially dangerous procedures throughout this manual. Instructions in the warnings must be followed.
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© DYNAPAR |
NorthStar SLIM Tach® SL85 Instruction Manual
1.1 General
These instructions do not claim to cover all details of variation in equipment or to provide for every possible contingency or hazard to be met in connection with installation, operation, and service. Should further information be desired or should particular problems arise which are not covered sufficiently for the purchaser’s purposes, please contact Dynapar, or one of its designated representatives.
1.2 Description
The NorthStar SLIM Tach® SL85 is a modular digital encoder. This magnetoresistive encoder sensor-based unit was designed for fast, easy mounting onto a standard NEMA 8.5 inch motor face. The basic design philosophy follows. The encoder frame is mounted onto the C-Face flange of a motor. This positions the sensor and contains the electronics. The magnetic pulse wheel on the motor shaft has magnetic pulses imprinted on its outside surface. As the motor spins, the passing magnetic pulses actuate the magnetoresistive sensor. The resulting electronic signals are processed into square wave signals by the internal electronics.
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Connector Hood: |
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Slim-C01 |
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Pulse Wheel: |
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S850512 ?? SW |
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S850512Z ?? SW |
Optional Tower |
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S8501024 ?? SW |
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S8501024Z ?? SW |
½” – 13 UNC |
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0.625” |
= J04 |
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Clamp |
Socket Head Screws |
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0.875” |
= J05 |
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Enclosure: |
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Style |
0.9375” = J21 |
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1.000” |
= J06 |
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S850512SCCNSE |
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1.125” |
= J07 |
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S8501024DCECSE |
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1.250” |
= J08 |
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0.9375” = J22 |
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1.375” |
= J09 |
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1.500” |
= J10 |
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1.625” |
= J11 |
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1.750” |
= J12 |
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Set |
1.875” |
= J13 |
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Screw |
2.000” |
= J14 |
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Style |
2.125” |
= J15 |
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2.250” |
= J16 |
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2.375” |
= J17 |
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2.500” |
= J18 |
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2.625” |
= J20 |
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2.875” |
= J19 |
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3.000” |
= J23 |
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Thru Shaft Size |
Standard Cover: |
S85-COVER-ST |
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Pie Pan Cover: |
S85-COVER-PP |
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Through-Hole Cover: |
S85-COVER-TH |
Figure 1: SLIM Tach ® SL85 Thru-Shaft Exploded View w/ Spare Parts (Shown w/ Optional Tower)
NOTE: If you have further questions, please call Dynapar customer service (614) 818-1150+ext. 282 or 278 with serial number ready.
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© DYNAPAR |
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NorthStar SLIM Tach® SL85 Instruction Manual |
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1.3 Specifications |
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Electrical Specifications |
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Resolution |
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512, 512Z, 1024, 1024Z, 2048 PPR |
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Frequency Response |
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0 to 120KHz Max. |
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Pulse Code |
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Incremental, marker, quadrature, complements (A, B, Z) |
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Output Channels |
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A & B (incremental), Z (marker) |
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Duty Cycle |
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50 ± 30% (within defined mechanical specs) |
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Quadrature Accuracy |
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A-B 90º ± 22º |
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Output Type |
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High Speed, Differential Driver |
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Rise and Fall Time |
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Less than 500 ns @ 10,000 pf (typical) |
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Current Consumption |
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40 mA typical plus line driver load |
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ESD Protection |
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2 kV |
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Output Current Capability |
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150 mA typical [350 mA maximum (worst case)] |
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Connector |
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10 pin Epic style, NEMA 4, 12 industrial connector |
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Suggested Cable |
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22 AWG, 8 conductor, 18” length, 4 twisted shield pairs |
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Input Voltage |
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+5.0 to +15.0 VDC |
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Mechanical Specifications |
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Maximum Operational Speed |
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5,000 RPM |
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Nominal Air Gap |
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0.019 ± 0.008 inch |
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Shaft Axial End Play |
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Up to ± 0.045 inch maximum |
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Enclosure Configuration |
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4.5 - Inch Diameter, 56 C motor face or accessory flange to meet NEMA MG1-4 |
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standards |
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Slew Rate |
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12,000 RPM per second |
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Approximate Box Weight |
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4lbs. (1.81 Kg) |
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Box Dimension |
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17.5” x 10.75” x 2.75” |
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Common Environmental Specifications |
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Operational Temperature |
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-40º to + 90º C |
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Operational Humidity Range |
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Maximum of 98% |
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Chemical Resistance |
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Salt Spray, Most Solvents, Mild Acids and Bases |
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Vibration |
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Minimum 18 g’s RMS, 5-2000 Hz |
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Shock (Encoder Housing) |
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1 meter drop tested, min 30 g’s shock spectrum |
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Standards |
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*CE |
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EN 61326 |
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*NOTE: Provides CE compliance in applications where cable length is less than 30 meters.
Specifications subject to change without notice
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© DYNAPAR |