Rosemount 333 HART Tri-Loop Signal Converter

With the Rosemount 333 HART Tri-Loop Signal Converter, you can easily obtain up to three additional analog outputs. This signal converter is designed to convert a digital HART multivariable signal into three independent 4-20 mA analog process variables without additional transmitters and wiring. Available as a high-alarm or low-alarm device, this product also offers DIN rail mount options and electrically isolated analog output channels for flexible configurations.

• Converts a digital HART signal into three additional independent 4-20 mA analog signals for control and monitoring applications
• Available as either a high-alarm or low-alarm device for application flexibility
• Converter does not require additional transmitters and wiring for straightforward installation
• Offers DIN rail mount options and electrically isolated analog output channels for flexible configurations

1. One Input, Three Outputs - Simplifies System Design

· A single device converts one HART input signal into three fully independent 4-20 mA analog outputs, significantly reducing the number of devices, wiring complexity, and space requirements inside the control cabinet.

2. Flexible Input and Output Configuration

· The input channel supports HART digital signals and can read process variables, device status, and more from virtually any HART-compatible device.

· Each output channel can be independently configured to map to different variables, e.g., Output 1 = Primary Variable, Output 2 = Secondary Variable, Output 3 = Device Status.

3. Powerful HART Communication Capability

· Acting as a HART Master, it can communicate with field HART devices and allow the HART digital signal to be "passed through" to a host control system or asset management system via one of its outputs, without additional communication wiring.

4. Enhanced System Reliability and Safety

· The three outputs are electrically isolated from each other, preventing signal interference or system-wide impacts caused by ground potential differences or a single loop failure.

· Provides redundant signal paths for critical applications, e.g., one to the DCS for control, one to the SIS for safety, and one for local recording or display.

5. Easy Installation and Configuration

· Compact DIN rail mount design saves space.

· Easy configuration via front-panel buttons and display or using Emerson's AMS device management software.

· Signal Distribution & Redundancy: Sending one critical instrument signal to the DCS, SIS, and a safety recorder simultaneously.

· Asset Management System Integration: Delivering analog signals to the control system while passing HART diagnostic data to AMS software.

· Control System Upgrades & Integration: Bridging legacy DCS (analog-only) with smart HART instruments while extracting intelligent information.

· Multi-System Monitoring: Providing one process variable to the control room, a local control panel, and a data analysis system concurrently.

· Safety Instrumented Systems: Providing independent, isolated input signals to the SIS from certified HART transmitters.

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