TRICONEX 5211S2 Redundant Digital Input Module
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 5211S2 is a safety-certified redundant digital input module designed for TRICONEX Tricon safety instrumented systems (SIS). As a core component of Schneider Electric’s TRICONEX portfolio, this module provides high-integrity monitoring of digital input signals in mission-critical industrial environments—where system failure could lead to safety risks, production losses, or environmental harm. Its triple-modular redundant (TMR) architecture ensures fault tolerance and compliance with global safety standards like IEC 61508 (SIL 3) and EN 50155.
Related Series
Triconex 3301
Triconex 3211S2
Triconex 3411
Triconex 2211S2-100
Triconex 5101S2
Triconex 3351S2
Triconex 3301S2

Key Features
- •Triple-Modular Redundant (TMR) design for maximum fault tolerance
- •16 isolated digital input channels (24V DC) with channel-to-channel isolation
- •IEC 61508 SIL 3 and TÜV Rheinland certification for safety-critical applications
- •Self-diagnostic capabilities (channel faults, power supply errors) with real-time status reporting
- •Hot-swappable design for maintenance without system shutdown or safety loop interruption
- •Compatibility with TRICONEX Tricon 3000/4000/5000 safety systems
Technical Specifications
| Parameter | Details |
|---|---|
| Number of Channels | 16 independent digital inputs (24V DC) |
| Input Voltage Range | 18V DC (minimum on) – 30V DC (maximum on); ≤5V DC (off) |
| Isolation | 250V RMS (channel-to-channel); 500V RMS (channels-to-backplane) |
| Response Time | ≤10ms (input state change to backplane communication) |
| Operating Temperature | 0°C to +60°C (+32°F to +140°F); -40°C to +70°C (extended range option) |
| Safety Certification | IEC 61508 SIL 3; EN 50155 (for railway applications); ATEX/IECEx Zone 2 |









