Falcon 444 – Compact Indicator / Controller / I/O Module

Short description: A rugged microcontroller-based compact unit with 4 analog inputs, 4 digital inputs, 4 digital outputs, and 2 software channels. Features isolated RS232 MODBUS RTU communication for SCADA/DCS connectivity. Ideal for local indication, automation machines, and OEM applications.

Key Features

• Rugged, compact design for panel mounting (96 × 96 mm).
• 4 analog inputs (4–20 mA) scalable to engineering units.
• 2 software channels programmable from a remote computer.
• 4 digital inputs for potential-free contacts or sensors (limit switch, proximity, etc.).
• 4 optically isolated digital outputs to drive external relay cards.
• Bright 7-segment red LED display: 1 digit channel number, 6 digit process value.
• 4½ digit resolution with ±0.3% FSR accuracy.
• RS232C isolated communication port (1 kVAC) with MODBUS RTU protocol.
• Auto/manual scroll display mode selection.
• Battery backed RAM for all settings.
• Built-in 24VDC, 100 mA transmitter excitation supply.
• Front panel LED indications for serial, DI, and DO status.
• Suitable for small automation machines, OEM use, or SCADA I/O expansion.

Technical Specifications

• Analog Inputs: 4 × 4–20 mA DC linear
• Digital Inputs: 4 × potential-free contacts or sensor signals
• Software Channels: 2 × programmable channels (values set from remote PC)
• Digital Outputs: 4 × open collector outputs for external 24VDC relay driving (operated from serial port)
• Resolution: 4½ digits
• Accuracy: ±0.3% of FSR ±1 LSD
• Display: 7-segment red LED, 0.3” (1 digit channel + 6 digit process value)
• Scan Rate: 250 ms per channel (fixed)
• Scaling: Front keypad scalable to engineering units
• Display Mode: Auto or manual scroll
• Excitation Supply: 24VDC, 100 mA for transmitters
• Communication: RS232C serial port, optically isolated (1 kVAC), MODBUS RTU protocol
• Indications: LEDs for serial, DI, and DO status
• Keyboard: 4-key tactile keypad
• Data Storage: Battery backed RAM
• Connections: Screw-type connectors
• Power Supply: 230 VAC or 110 VAC ±10%, single phase, 50 Hz
• Cabinet: Panel mount; Bezel: 96 × 96 mm; Depth: 120 mm; Cutout: 92 × 92 mm

Support Videos

Downloads

• 📄 Product Manual (PDF)

Need More Help?

Call us at +91-20-24479210 or email scan@vsnl.com

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