Overview
The Yokogawa YTA110-EA2NB/FU1/D2 is a robust field-mount temperature transmitter engineered for industrial and commercial process measurement applications. This unit features 24VDC power supply with two-wire 4-20mA DC output for seamless integration into existing control systems. The transmitter accepts multiple sensor input types including RTD (Resistance Temperature Detector), thermocouple, ohm, or DC millivolt signals, providing flexibility across diverse temperature monitoring scenarios.
Key Features
- Two-wire 4-20mA DC output: Standard industry signal compatible with PLCs, DCS, and analog instrumentation
- Multi-input capability: Accepts RTD, thermocouple, ohm, or DC millivolt input
- SIL2 safety certification: Certified by TÜV as complying with SIL2 for safety requirements
- NEMA 4X/IP67 protection: Robust construction ensures long service life and reliability in harsh industrial environments
- Digital communication capability: Supports BRAIN communication protocol for advanced configuration options
- Hermetically sealed design: Dual compartment housing with hermetically sealed terminals protects electronics from moisture ingress
Technical Specifications
- Power Supply: 24VDC
- Output Signal: 4-20mA DC (two-wire)
- Output Range: 3.68 mA to 20+ mA nominal
- Input Types: RTD, Thermocouple, Ohm, DC Millivolt
- Communication Protocol: BRAIN (Digital Communication optional)
- Safety Rating: SIL2 certified
- Enclosure Rating: NEMA 4X / IP67
- Housing Material: Epoxy painted steel (Stainless steel option available)
Typical Applications
- Process heating and cooling systems
- Industrial oven and furnace temperature monitoring
- Pharmaceutical and food processing temperature control
- HVAC and building management systems
- Petrochemical and refining operations
- Water treatment and wastewater monitoring
Compatibility & Replacements
Compatible With
- Standard PLCs and DCS systems accepting 4-20mA analog input
- Analog input modules with 4-20mA signal conditioning
- Data acquisition systems with milliamp signal interfaces
- SCADA systems with RTD/thermocouple sensor inputs
- Industrial process control networks using 4-20mA standard
Replaces / Drop-In Replacement For
Model YTA110 with suffix -EA2NB/FU1/D2 (24VDC, 4-20mA output). Note: The YTA110 series is discontinued hardware. Verify compatibility with your system integrator before ordering replacement transmitters.
Works With
- BRAIN Protocol digital communication for advanced configuration
- Standard 4-20mA analog instrumentation
- RTD and thermocouple sensor packages
- HART communication (on compatible configurations)
- Legacy process control systems requiring analog temperature signals


























