Triconex’s 3511 module is a high-performance pulse input module designed for Safety instrumentation systems (SIS), which are used to monitor and protect critical processes in the petroleum, chemical, power, pharmaceutical and other industries. With its high precision, high reliability and powerful data processing capability, the module ensures the safety and stability of industrial production.

Main features and technical specifications:

Model: 3511
Input channels: 8 independent channels
Pulse width range: 100 microseconds to 100 milliseconds
Pulse frequency range: 1 Hz to 10 kHz
Filter type: Low pass, high pass, band pass
Output signal: Support 4-20 mA, 0-5 V
Input voltage range: 8 VDC to 30 VDC
Input current range: 4 mA to 20 mA
Pulse resolution: 1 microsecond
Power Supply: 24 VDC
Ambient temperature: -40°C to 85°C
Protection level: IP67
Product advantages:

Triple redundancy (TMR) design ensures a high level of safety and reliability.
With self-diagnosis function, it can detect module faults in time.
The module supports hot swap and can be replaced without interrupting operations.
Through a variety of international certifications, including CE, UL, CSA, etc., to meet the safety standards of different markets.
Application field:

Emergency Shutdown System (ESD)
Fire Alarm System (FAS)
Gas Detection System (GDS)
Overspeed protection for turbines and compressors
Pump cavitation protection
Generator out-of-step protection
The introduction of the Triconex 3511 module further strengthens Triconex’s leadership position in industrial automation and control systems, providing customers with safer and more reliable automation solutions. The module’s high-resolution pulse counting and timing capabilities provide a strong guarantee for safety applications, especially where precise measurements of rotating equipment speeds are required.