MODEL FL228 FREQUENCY TO VOLTAGE CONVERTER
Description
The Model FL228 is a wide band, analog frequency to voltage converter. It is a no frills unit with fixed frequency range and noise discrimination level. Externally-accessible trimpot controls allow adjustment of output offset and fullscale voltage. The unit is mechanically and electrically compatible with Encore's other FlexiLine DIN-rail mounted instrumentation.
Specifications
Input frequency signal: 0 to ±45V max, DC coupled
Input comparator: Factory-set fixed threshold voltage; two versions have front panel toggle switch to select 0mV or 300mV
Frequency range: Single range, factory settable from 100Hz to 40kHz
Minimum frequency: Operational range is from 5% to 100% of fullscale frequency
Voltage output: Up to 10VDC fullscale output, depending on version
Adjustments: Front panel trimpots for span and zero offset adjustment
Connections: Six wireclamp screw terminals accept wire sizes from 24-14 gauge
Mechanical: 2.9" x 3.1" x 0.9" plastic enclosure; mounts on standard 35mm DIN rail
Power: Unregulated 18-30VDC (24V nominal) or 10-16VDC (12V nominal) at 30mA
Standard versions: Consult factory for additional input/output ranges
| Version | Input Range |
Output Range |
Input Threshold |
Power Supply |
| FL228 | 0-10 kHz | 0-10VDC | 0mV | 18-30VDC |
| FL228-001 | 0-25 kHz | 0-5VDC | 0mV or 300mV (F.P. switchable) |
10-16VDC |
| FL228-002 | 0-10 kHz | 0-5VDC | 0mV or 300mV (F.P. switchable) |
10-16VDC |
| FL228-003 | 0-150 Hz | 0-4.5VDC | 1V (logic input) | 10-16VDC |
| FL228-004 | 0-10 kHz | 0-5VDC | 0mV | 10-16VDC |
| FL228-005 | 0-5 kHz | 0-10VDC | 1V (logic input) | 18-30VDC |
| FL228-006 | 0-1 kHz | 0-5VDC | 300mV | 10-16VDC |
| FL228-007 | 0-10 kHz | -0.6 - 3.4VDC | 1V (logic input) | 18-30VDC |
| FL228-008 | 0-100 Hz | 0-4.5VDC | 1V (logic input) | 18-30VDC |
| FL228-009 | 0-5 kHz | 0-10VDC | 1V (logic input) | 18-30VDC |
| FL228-010 | 0-3 kHz | 0-5VDC | 1V (logic input) | 10-16VDC |
| FL228-011 | 0-4 kHz | 0-10VDC | 300mV | 18-30VDC |
| FL228-013 | 0-25 kHz | 0-10VDC | 1V (logic input) | 18-30VDC |
| FL228-016 | 0-1 kHz | 0-10VDC | 2.5v (logic input) | 18-30VDC |
| FL228-021 | 0-40 kHz | 0-5VDC | 1V (logic input) | 18-30VDC |
| FL228-022 | 0-2 kHz | 0-5VDC | 0mV or 300mV (F.P. switchable) |
10-16VDC |
| FL228-023 | 0-2 kHz | 0-10VDC | 0mV | 18-30VDC |
| FL228-025 | 0-450 Hz | 0-10VDC | 0mV | 18-30VDC |
| FL228-026 | 0-1 kHz | 0-10VDC | 50mV | 18-30VDC |
| FL228-027 | 0-10 kHz | 0-5VDC | 0mV | 18-30VDC |
| FL228-028 | 0-16.67 kHz | 0-10VDC | 2.5v (logic input) | 18-30VDC |
| FL228-030 | 0-2 kHz | 0-10VDC | 300mV | 18-30VDC |
| FL228-031 | 0-25 kHz | 0-5VDC | 2.5V (logic input) | 18-30VDC |
| FL228-032 | 0-180 Hz | 0-10VDC | 0mv | 18-30VDC |
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