Main Brands:

Bently, Triconex, Woodward, Foxboro,Reliance, ABB, Allen-Bradley, Motorola, GE, Yaskawa, Bosch Rexroth, ACSO, YOKOGAWA, NI, ICS Triplex, Kollmorgen, Mitsubishi, MOOG, Emerson, B&R, SST, ALSTOM, EPRO, HIMA, HONEYWELL prosoft, AMAT.

Wei Xiu zhu
WhatsApp:+852 5796 0986
Wechat:13395077993
Zhejiang Yiwu Beixun Automation Technology Co., Ltd
China (Zhejiang) Pilot Free Trade Zone, No. 2 Chunpai Road, Beiyuan Street, Yiwu City, Jinhua City, 7F 7059
website:www.bxplc2.com
Email: 3076784238@qq.com

The Triconex 3720 is a high-performance safety controller from Schneider Electric’s Triconex family of Safety Instrumented Systems (SIS). Designed for critical industrial applications, the 3720 controller employs Triple Modular Redundancy (TMR) architecture to provide unparalleled reliability and fault tolerance in safety-critical environments.

As part of the Triconex 3700 series, the 3720 controller is specifically engineered to meet the most demanding safety requirements across various industries. It delivers continuous, fail-safe operation even in the event of multiple component failures, ensuring maximum protection for personnel, equipment, and the environment.

Related series:

TRICONEX 3720 

TRICONEX 3625C1

TRICONEX 3623T 

Triconex 3720 Safety Instrumented System Controller

Key Benefits

  • Proven TMR technology with over one billion safe operating hours
  • SIL 3 certification for highest safety integrity
  • Continuous operation even during multiple component failures
  • High availability with fault tolerance design
  • Flexible configuration for diverse industrial applications

Technical Specifications

General Specifications

Model Triconex 3720
Architecture Triple Modular Redundancy (TMR)
Safety Certification SIL 3 (IEC 61508)
Safety Integrity Level SIL 3
MTBF >100,000 hours

Electrical Specifications

Power Supply 24 VDC (redundant)
Input Voltage Range 18-32 VDC
Power Consumption <10 W (typical)
Isolation High-voltage isolation for noise immunity

Performance Specifications

Processing Speed High-performance processors
Response Time <10 ms (typical for safety functions)
I/O Capacity Scalable up to 512 I/O points
Control Loops Up to 128 control loops
Voting Logic 2-out-of-3 voting for fault tolerance

Environmental Specifications

Operating Temperature -40°C to +70°C
Storage Temperature -40°C to +85°C
Relative Humidity 5-95% non-condensing
Vibration Resistance 10-2000 Hz, 10 g peak
Shock Resistance 50 g, 11 ms duration

Architecture and Design