Smith Systems, Inc. - SMITH DIGI-TRAN® Bi-Directional Zero Speed Sensors
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Smith Systems, Inc.
6 Mill Creek Drive
Brevard, NC 28712
Telephone: (828) 884-3490
Fax: (828) 877-3100
Email:
info@smith-systems-inc.com
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SMITH DIGI-TRAN® Bi-Directional Zero Speed Sensors
SEPTEMBER 2005 Version
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SMITH DIGI-TRAN® Bi-Directional Zero Speed Sensors
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Our Bi- Directional Sensor provides dual phase related frequency and direction output logic for applications that require speed as well as gear rotation direction information. The sensor's internal circuitry also inhibits potential false direction output information due to gear vibration or back-lash motion. Other unique features and capabilities includes superior air gap, extensive operating temperature range, broad input voltage variation capability and high speed performance. As an added bonus, a small diameter enclosure is available in applications where mounting space is restricted.
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Item #
Item Name
Thread Size/Type
Maximum Speed
Operating Temperature
Output Impedance
Cable Assignment
Air Gap
280Z241
SMITH DIGI-TRAN® Bi-Directional Zero Speed Sensors
5/8-18 UNF 2A Inch
20 KHz
-40 to 175 °F
CMOS output, fan-out up to 2 74L or 1 74LS device ohm
Red - Supply (+), Black - Common, Orange - Output A, Green - Output B, White - Direction output logic, Shield - Bare
0 to .040 typical with 20 pitch gear
0 to .150 typical with 8 pitch gear
280Z242
SMITH DIGI-TRAN® Bi-Directional Zero Speed Sensors
5/8-18 UNF 2A Inch
20 KHz
-40 to 175 °F
CMOS output, fan-out up to 2 74L or 1 74LS device ohm
Red - Supply (+), Black - Common, Orange - Output A, Green - Output B, White - Direction output logic, Shield - Bare
0 to .040 typical with 20 pitch gear
0 to .150 typical with 8 pitch gear
280Z261
SMITH DIGI-TRAN® Bi-Directional Zero Speed Sensors
3/4-20 UNF-2A Inch
20 KHz
-40 to 175 °F
CMOS output, fan-out up to 2 74L or 1 74LS device ohm
Red - Supply (+), Black - Common, Orange - Output A, Green - Output B, White - Direction output logic, Shield - Bare
0 to .040 typical with 20 pitch gear
0 to .150 typical with 8 pitch gear
280Z420
SMITH DIGI-TRAN® Bi-Directional Zero Speed Sensors
5/8-18 UNF 2A Inch
15 KHz
-40 to +180 °F
CMOS output ohm
Red - +8 to 26 VDC, Black - Common, Blue - Output No. 1 (Pulse Train), Green - Output No.2 (Pulse train), White - Direction output logic, Bare - Shield (Floating)
0 to .030 typical with 20 pitch gear
0 to .100 typical with 8 pitch gear
Results 1 - 4 of 4
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