The TRICONEX 3721, 3721C, and 3700A modules are part of the Triconex safety system, which is used in various industrial applications for process safety and control.

Product Name

• TRICONEX 3721
• TRICONEX 3721C
• TRICONEX 3700A

Product Description

• TRICONEX 3721/3721C: These modules are part of the Triconex series of safety controllers designed for high-reliability safety applications. The distinction between 3721 and 3721C often pertains to enhancements in performance or compatibility with newer systems.
• TRICONEX 3700A: This module is a communication interface module used to connect the Tricon system to external devices and systems, facilitating robust data exchange and interaction.

Product Parameters

• Input/Output Compatibility: The modules support various input/output types, including digital, analog, and fail-safe.
• Communication Protocols: They often support multiple communication protocols such as Modbus, Ethernet/IP, or proprietary protocols, depending on the exact configuration.
• Safety Integrity Level (SIL): Designed to meet specific safety standards, often reaching SIL 3 or SIL 4 depending on the application and redundancy.

Specifications

• Size/Dimensions: Typically 3U or 6U rack-mounted.
• Power Supply Requirements: Requires specific voltage and current ratings as specified in the individual data sheets.
• Operating Temperature Range: Generally operates within commercial or industrial temperature ranges, often -40°C to +70°C.
• Weight: Varies based on configuration; specific weights can be found in data sheets.

Product Use

• Safety Instrumented Systems (SIS): Used in applications requiring safety functions such as emergency shutdowns (ESD), process monitoring, and critical control applications.
• Oil & Gas: Widely utilized in oil and gas facilities for turbomachinery control and emergency shutdown systems.
• Chemical Processing: Employed in chemical plants to manage safety processes reliably.
• Power Generation: Integral in systems that require fail-safe operation to maintain power plant integrity.