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PA1001A Schematic ( PDF Datasheet ) - Flowmetrics

Teilenummer PA1001A
Beschreibung Signal Conditioners / Converters
Hersteller Flowmetrics
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Gesamt 4 Seiten
PA1001A Datasheet, Funktion
9201 Independence Avenue
Chatsworth, CA 91311, USA
(818) 407-3420 • (800) 356-6387
Fax (818) 700-1961
SIGNAL CONDITIONERS &
CONVERTERS
PA1001A Series
INTRODUCTION
The PA1001A series preamplifiers/signal conditioners and converters are
suitable for use with either magnetic or RF type pickup coils and allow convenient
interfacing with the process measuring devices and digital electronics.
When used with Magnetic type pickups they accept low level signals and
produces a pulse output, while providing rejection of unwanted noise and false signals.
A RF type pickup reduces the pickup drag associated with conventional magnetic
pickups, resulting in a significant increase in the usable range. The PA1001A series
excite a RF type pickup with a 20KHz signal. Motion of ferrous material is sensed
and the motion modulates the coil field and subsequent conditioning provides a
pulse output signal.
The output signal of the PA1001A series have a square pulse wave form, each
pulse representative of an actuator (rotor blade, gear tooth, turbine blade, etc.)
passing by the sensing area of the pickup.
Four output signal options are available: TTL/CMOS compatible, open collector,
0 to10VDC square wave, and a square wave that is tied to the input power.
The unit is powered by a user supplied 8 to 30 VDC filtered power supply.
An onboard regulator provides the required regulation and noise rejection.
Optional features include factory installed pulse scaling and field installable plug
in modules for Analog output. Pulse scaling provides the users with scaling options
of Ϭ2, Ϭ4, Ϭ8, Ϭ16, Ϭ32, Ϭ64, or Ϭ128, which is useful when a remote device
has a maximum count speed that is less than the pulse-generating device. Analog
output provides a current and voltage outputs proportional to RPM, flow rate etc.
http://www.flowmetrics.com
Bulletin-SC-FI/SC-II/SC-FF/PA-7/01
800-356-6387
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