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PA1001A Dataheets PDF



Part Number PA1001A
Manufacturers Flowmetrics
Logo Flowmetrics
Description Signal Conditioners/Converters
Datasheet PA1001A DatasheetPA1001A Datasheet (PDF)

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 provid.

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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 Specifications: Input Power: • Voltage: 8-30 Vdc • Current draw: 125mA @ 24Vdc (all options equipped) • Reverse polarity protected RF Pickup Input: • 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 Magnetic Pickup Input: • 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 Pulse Outputs: • 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) Pulse Scaling : • divisions of 2, 4, 8, 16, 32, 64, or 128 (user selectable - optional feature) Analog Output Module: 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 % Temperature Range: • Operating: -40 TO 85°C (-40° to 185°F) • Storage: -40° to 302°F (-40 TO 150°C) Enclosures: • 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 Approvals: 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 http://www.flowmetrics.com Bulletin-SC-FI/SC-II/SC-FF/PA-7/01 800-356-6387 PAGE 10 OF 12 Ordering Information PA-1001A Series: Options: I = Pulse Out IA = Pulse and Analog output IPS = With pulse Scaling Mounting: C = Explosion Proof Enclosure B = NEMA-4X Enclosure P = Panel Mount Operating Voltage: 1 = 24VDC (8 to 30VDC) 2 = 100VAC 50/60 Hz 3 = 220VAC 50/60 Hz IA N I Ordering Information PCA-121 Series: Mounting: C = Explosion Proof Enclosure B = NEMA-4X Enclosure P = Panel Mount Operating Voltage: 1 = 24VDC (8 to 30VDC) 2 = 110VAC 50/60 Hz 3 = 220VAC 50/60 Hz B I http://www.flowmetrics.com Bulletin-SC-FI/SC-II/SC-FF/PA-7/01 800-356-6387 PAGE 11 OF 12 .


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