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PA1001A Datasheet Preview

PA1001A Datasheet

Signal Conditioners / Converters

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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
PAGE 8 OF 12




Flowmetrics

PA1001A Datasheet Preview

PA1001A Datasheet

Signal Conditioners / Converters

No Preview Available !

Specifications:
Input Power:
RF Pickup Input:
Magnetic Pickup Input:
Pulse Outputs:
Pulse Scaling :
Analog Output Module:
Temperature Range:
Enclosures:
Approvals:
• Voltage: 8-30 Vdc
• Current draw: 125mA @ 24Vdc (all options equipped)
• Reverse polarity protected
• Modulation carrier frequency: 20KHz
• Input frequency: 2 Hz to 5KHz, adjustable trigger level
• Carrier adjustment: to allow precise tuning of carrier
signal to physical environment (e.g. air gap, wall thickness)
• Maximum air gap: 0.160”
• Preferred coil inductance: 1.0 milliHenry +/- 10%
• Maximum distance from pickup to preamp: 100 feet
• Input protected, RF and band pass filtered
• Input frequency: 0 to 10KHz, adjustable trigger level
• Trigger sensitivity: 4 milliVolts RMS (minimum)
• NOTE: at 4 mV frequency range 10 Hz to 3KHz
• Input impedance: 40K Ohms (nominal)
• Maximum input signal: 600 Volts RMS
• Maximum distance from pickup to preamp: 100 feet
• Open collector Vmos transistor
Maximum OFF state voltage 30 Vdc
Maximum ON current 0.40 amp
• TTL/CMOS fanout of 5 TTL/CMOS loads
• 0 to 10 Vdc square wave
• Square wave tied to input voltage (all output options are user selectable)
• divisions of 2, 4, 8, 16, 32, 64, or 128 (user selectable - optional feature)
Current Output
• Accuracy +/- 0.05% of full-scale +/-200 PPM/°C.
• Available range 4 to 20 mA.
• Output suitable for driving, floating or grounded loads.
• Maximum loop impedance 500 ohms.
• Response time 0.3 seconds for 10 to 90 %.
Voltage Output
• Accuracy +/- 0.05% of full-scale +/-200 PPM/°C.
• Available range 0 to 5Vdc or 0 to 10Vdc, user selectable.
• Impedance less than 10 ohms.
• Response time 0.3 seconds for 10 to 90 %
• Operating: -40 TO 85°C (-40° to 185°F)
• Storage: -40° to 302°F (-40 TO 150°C)
• Unit is intended for mounting in a condulet box and comes with 2" and 2.50"
center mounting holes. Enclosure is not required but recommended to protect
from moisture dirt, etc.
• Optional explosion proof box available upon request
CE compliant to EMC Directive 89/336/EEC for use in residential, commercial,
light industrial and heavy industrial environments.
http://www.flowmetrics.com
Bulletin-SC-FI/SC-II/SC-FF/PA-7/01
800-356-6387
PAGE 9 OF 12


Part Number PA1001A
Description Signal Conditioners / Converters
Maker Flowmetrics
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PA1001A Datasheet PDF






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