Digital guide
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Yokogawa YA11F-SLK4-FMF1/BR2/COM-B
Product Introduction: A rugged, field-mounted signal transmitter with built-in isolation, BRA2 protocol support, and communication capabilities, designed for reliable signal conversion in harsh industrial environments.
Technical Specifications:
- Input Signal: 4–20 mA DC (from field sensors/transmitters)
- Output Signal: Isolated 4–20 mA DC + BRA2 protocol
Detailed content
- Isolation Voltage: 1500 V AC (1 minute) between input and output
- Accuracy: ±0.1% of full scale
- Communication: BRA2 + optional Modbus/RS-485
- Power Supply: 24 V DC (loop-powered)
- Enclosure: IP67, NEMA 4X (field-mountable)
- Operating Temperature: -40°C to 85°C
- Certifications: ATEX, IECEx for hazardous areas
Functional Features:
- Full galvanic isolation ensures signal integrity in noisy environments
- BRA2 protocol enables communication with Yokogawa DCS systems
- Loop-powered design eliminates need for external power supply
- Rugged IP67 enclosure withstands dust, moisture, and vibration
- Hazardous area certification for use in explosive environments
- Easy field calibration and configuration
Application Scenarios: Transmitting signals from pressure, temperature, and flow transmitters in oil refineries, chemical plants, and offshore platforms requiring BRA2 communication and hazardous area compliance.
