Description
The Bently Nevada Electronic Overspeed Detection System for the 3500 Series Machinery Detection System provides a highly reliable, fast response, redundant tachometer system intended specifically for use as part of an Overspeed protection system. It is designed to meet the requirements of the American Petroleum Institute (API) Standards 670 and 612 pertaining to Overspeed protection.
3500/53 modules can be combined to form a 2-out-of-2 or a 2-out-of-3 (recommended) voting system.
The Overspeed Detection System requires the use of a 3500 rack with redundant power supplies.
Transducer Conditioning
Auto Threshold:
Use for any input above 0.0167 Hz (1 rpm for 1 event/revolution). The minimum signal amplitude for triggering is 1-volt peak-to-peak.
Manual Threshold:
User-selectable from +9.9 Vdc to -23.9 Vdc. The minimum signal amplitude for triggering is 500 millivolts peak-to-peak.
Hysteresis:
User-selectable from 0.2 to 2.5volts.
Related parts
3500/53-02-00
3500/53-03-00
3500/53-02-01
3500/53-03-01
Spares
133396-01 Over speed Detection I/O Module
133388-01 3500/53 Over speed Detection Module
134129-01 Firmware IC
00580432 Connector Header, Internal Termination, 10-position, Green
00580436 Connector Header, Internal Termination, 6-position, Green
00580438 Connector Header, Internal Termination, 4-position, Green
134939-01 3500/53 Overspeed Detection Manual
04425545 Grounding Wrist Strap (single use)
04400037 IC Removal Tool
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