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FC30 Flow Computer
Brand: Cox InstrumentsThe Cox FC30 is a multi-functional flow computer, providing users with linearized and temperature compensated flow rates and totals. Several features enhance flow meter accuracy and usability, in both gas and liquid applications.
The FC30 is offered with 40 point linearization, Strouhal-Roshko compensation, batching routines and inferred mass measurement capability. Both pressure and temperature sensor inputs also come standard for display as well as compensation calculations. This versatile flow computer provides users with an easy to read display, programmable front panel and an intuitive firmware menu structure.
Soft key assignments are user defined for the various inputs and outputs to meet application requirements. When ordered with a flow meter, the FC30 is factory programmed to customer specifications.
Features- EIA-232/485 serial communication
- Multiple isolated outputs
- 10 selectable fluid tables
- Precision temperature compensation methods
- Service/Test mode
- Batching
Specifications
Brand
Accuracy
- Auxillary/Compensation Input: ± 0.02 % of Full Scale at 20° C (68° F)
- Isolated Analog Output: 0.05 % of Full Scale at 20° C (68° F)
Applications
- Gases
- Liquid
Approvals & Certifications
- CE
- UL (C)
Circuit Protection
- Over Voltage Protection (50 Vdc)
Communication
- Serial: EIA-232
- Serial: EIA-485
Current
- Auxillary/Compensation Input: 0-20 mA
- Auxillary/Compensation Input: 4-20 mA
Display
- Character Size: 0.2” (5.08 mm)
- Typical: 2 x 20 Character Display
- Typical: Backlit LCD or VFD
Environmental Protection
- IP66
- NEMA 4
Frequency
- Flow Input, Max.
Humidity
- 0 to 95 % Relative Humidity, Non-Condensing
Input
- Auxillary/Compensation Input: 0-10 Vdc
- Auxillary/Compensation Input: 0-5 Vdc
- Auxillary/Compensation Input: 1-5 Vdc
- Control Input (Logic 0): 0-0.8 Vdc
- Control Input (Logic 1): 4-30 Vdc
- Flow Input (High Level Trigger): Logic Off 0-1 Vdc
- Flow Input (High Level Trigger): Logic on 3-30 Vdc
- Flow Input (Low Level Trigger [Mag Pickoff]): Sensitivity 10 mV
- Flow Input (Low Level Trigger [Mag Pickoff]): Sensitivity 100 mV
Input Impedance
- Control Input: 100 kiloohms
- Flow Input: 10 kiloohms Nominal
Load Resistance
- Isolated Analog Output: 1,000 ohms, Max.
Mounting
- Panel Mount
Operating Temperature
- 0° to 50° C (32° to 122° F)
Operation
- Auxillary/Compensation Input: Ratiometric
Output
- Isolated Analog Output: 0-20 mA
- Isolated Analog Output: 4-20 mA
- Isolated Pulse Output (Saturation Voltage): 1 Vdc
- Isolated Pulse Output: 0.1 mA - Max.
- Isolated Pulse Output: 25 mA - Max.
- Isolated Pulse Output: 30 Vdc, Max.
Output Format
- Isolated Pulse Output (Form): Open Collector
Power Requirement
- 10-14 Vdc at 300 mA - Max.
- 110 Vac (85-127 V RMS at 50/60 Hz)
- 14-28 Vdc at 300 mA - Max.
- 220 Vac (170-276 V RMS at 50/60 Hz)
Pulse Range
- Isolated Pulse Output: 10 milliseconds
- Isolated Pulse Output: 100 milliseconds
Resistance
- Flow Input (Pull-down Resistance): 10 kiloohms to Common
- Flow Input (Pull-Up Resistance): 10 kiloohms to 5 Vdc
Resolution
- Auxillary/Compensation Input (Temperature Resolution): 0.01° C
- Auxillary/Compensation Input: 16-bit
- Isolated Analog Output: 12-bit
Reverse Polarity Protection
- Auxillary/Compensation Input, Isolated Pulse Output (Shunt Diode) - Fault Protection: Reverse Polarity
RTD Type
- Auxillary/Compensation Input: 100 ohms, 3-Wire DIN RTD
Sensor, Probe Type
- RTD
Storage Temperature
- -40° to 85° C (-40° to 185° F)
Switch Type
- SPDT
Thermal Drift
- Isolated Analog Output (Temperature Drift): < 200 ppm/°C
Voltage
- Excitation Voltage: 12 Vdc at 100 mA
- Excitation Voltage: 24 Vdc at 100 mA
- Excitation Voltage: 5 Vdc at 100 mA