CFAD

Analog Signal to Optical Fiber Converter

Analog signal to fiber optic converter for transmitting measurements in installations exposed to electromagnetic interference.

Description

The CFAD is an innovative device designed to convert analog signals to digital signals and transmit them remotely over optical fiber. Its main function is to ensure “signal immunity and integrity, while saving physical space within cable channels.”

Ideal Applications: The device is “ideal for electrical substations, oil platforms, industrial facilities, automation systems and communication networks.”

Conversion Flexibility: The CFAD can convert “0 to 20 mA and/or 0 to 24 VDC analog signals into digital signals that travel over a single multimode optical fiber with a standard ST connector.”

Configuration and Quality: The device includes a USB port for parameter configuration using UseEasy software, developed by Electron, ensuring “practical, easy system configuration.” Built to “strict quality standards” with “state-of-the-art electronic components (SMD),” the CFAD hardware is “designed to withstand harsh operating conditions” and can be “installed directly in electrical substation panels,” meeting standards such as IEC, DIN, IEEE and ABNT.

Features

CFAD ANALOG SIGNAL TO OPTICAL FIBER CONVERTER

- Operating voltage: 24 to 275 VDC/VAC, 50/60 Hz;

– Operating temperature: -20°C to +70°C;

ANSI / IEEE Function

- Maximum length: 3000 meters (multimode optical fiber, 62.5/125 µm);

– Fiber connector: Standard ST;

– Minimum transmit power: -14.0 dB.m (multimode optical fiber, 62.5/125 µm);

– Maximum transmit power: -10.0 dB.m (multimode optical fiber, 62.5/125 µm);

– Minimum receiver sensitivity: -24 dB.m (multimode optical fiber, 62.5/125 µm);

– Compatibility: Multimode optical fiber, 50/125 µm, 62.5/125 µm, 100/140 µm and 200 µm;

– Wavelength: 850 ηm;

– LED status indicators: Power, data transmission/reception and link;

– Interference immunity: EMI / RFI and current fluctuations, ideal for data communications near transformers, heavy electrical equipment and other sources of electrical or radio interference;

ANALOG INPUT SPECIFICATIONS

- Maximum analog input error: 0.1% of full scale;

– Current reading: 0 to 20 mA;

– Voltage reading: 0 to 24 VDC;

– Isolation between bus and power supply: 4 kV / 60 Hz / 1 minute;

– Analog input isolation: 3.5 kV / 60 Hz / 1 minute;

– RS485 digital output isolation (ANSI/TIA/EIA-485-A): 3.5 kV / 60 Hz / 1 minute;

ANALOG OUTPUT SPECIFICATIONS

- Maximum analog output error: 0.1% of full scale;

– Current output: 0 to 1, 0 to 5, 0 to 10, 0 to 20 and 4 to 20 mA;

Maximum load

0 to 5, 0 to 10, 0 to 20 and 4 to 20 mA;

0 to 1 mA – 20 kΩ;

0 to 5 mA – 4 kΩ;

0 to 10 mA – 2 kΩ;

0 to 20 mA – 1 kΩ;

4 to 20 mA – 1 kΩ;

– Isolation between bus and power supply: 4 kV / 60 Hz / 1 minute;

– Analog input isolation: 3.5 kV / 60 Hz / 1 minute;

– RS485 digital output isolation (ANSI/TIA/EIA-485-A): 3.5 kV / 60 Hz / 1 minute;

RS485 OUTPUT SPECIFICATIONS (ANSI/TIA/EIA-485-A)

- Maximum cable length: 1,200 meters;

– Transmission mode: Half duplex;

– Auto Baud Rate: 1,200 to 57,600 bps (also automatically detects the communication network speed);

– Maximum number of network devices: 32 devices;

– Termination resistor: 120 ohms (jumper enabled);

– RS485 bus protection: ±30 kV ESD. 3-stage protection (rugged);

– Interference immunity: Resistant to lightning and electrostatic discharge damage;

– Isolation between bus and power supply: 4 kV / 60 Hz / 1 minute;

– Auxiliary input isolation: 4 kV / 60 Hz / 1 minute, 2 W / 24 VDC;

– Analog input isolation: 3.5 kV / 60 Hz / 1 minute;

– Analog output isolation: 3.5 kV / 60 Hz / 1 minute;

Applications

CFAD – Analog Signal to Optical Fiber Converter

CFAD

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Description

Features