MODEL FL230 VOLTAGE TO FREQUENCY CONVERTER

Description

The Model FL230 is a voltage-controlled oscillator, producing 0-5V output pulses at a frequency proportional to a voltage or current input signal. Accuracy is within ±0.25% from 5% to 110% fullscale input. For the FL230-005, the operating range is -0.6V to +3.4V, allowing operation at zero input signal. The fullscale output frequency can be factory-set to any desired range, up to 50kHz. The unit is mechanically and electrically compatible with Encore's other FlexiLine DIN-rail mounted instrumentation, and is typically sold as a set with an FL228 F/V.

The FL230-013 adds a 50% duty cycle squarewave current output, suitable for driving solenoid valves. The amplitude of drive is also controllable with a 0-10VDC input, for 0-40mA output current.

Specifications

Input: FL230-003: 0-10V; FL230-004: 4-20mA; FL230-005: -0.6 to 3.4V (transmits 0-3V)

Output: 0-5V pulses (logic levels), with frequency proportional to input signal; 0-15V or open collector output available

Frequency range: 5%-110% of 5kHz fullscale (FL230-005 is 10kHz FS), or customer specified range

Adjustments: Front panel trimpots allow fine calibration of offset and span

Accuracy: ±0.25% maximum deviation from ideal (Fout=Vin/2), from 5% to 110% fullscale input

V/F - F/V pairing:FL230-003 with FL228-005; FL230-004 with FL228-005; FL230-005 with FL228-007

Connections: Six wireclamp screw terminals accept wire sizes from 24-14 gauge (FL230-013 has 12 terminals)

Mechanical: 2.9" x 3.1" x 0.9" plastic enclosure; mounts on standard 35mm DIN rail (FL230-013 is 2" thick)

Power: Unregulated 18-30VDC at 25mA max (FL230-013 operates from Encore FL854 supply)

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