TRICONEX AI3351S2 Analog Input Module | 3351S2
Delivery time 3 days
Product origin New/used
Email plcru@foxmail.com
Mobile/wechat /WhatsApp +86 18185397189
The TRICONEX AI3351S2 (3351S2) is a 32-channel, triple modular redundancy (TMR)
The TRICONEX AI3351S2 (3351S2) is a 32-channel, triple modular redundancy (TMR) analog input module from Schneider Electric's Triconex Safety Instrumented Systems (SIS), designed specifically for SIL 3 safety-critical applications.
I. Core Features
Architecture: Triple modular redundancy (TMR), three independent acquisition channels, median voting, no failure due to single point of failure.
Channels: 32 analog input channels.
Signal Type:
Current: 4–20 mA (range 2–22 mA)
Voltage: 0–10 V DC
Resolution: 16 bits
Accuracy: ±0.1% full scale
Update Rate: 10 ms/channel; full channel scan < 1 ms
Power Supply: 24 V DC
Diagnostics: Channel-level open circuit, short circuit, overvoltage, overcurrent, drift self-test.
Certification: IEC 61508 SIL 3
Physical dimensions: approx. 119 × 188 × 36 mm; weight approx. 1.0–1.3 kg
Environment: Operating temperature -40°C to +70°C
II. Typical Applications
Emergency Shutdown Systems (ESD)
Fuel and Gas Monitoring Systems (F&G)
Boiler Safety Protection
Turbine/Compressor Control
Safety-Critical Processes in Petrochemical, Power, and Metallurgical Industries
III. Related Models
AI3351: Basic Version 32-Channel Analog Input
AI3351S2: Enhanced Version (High Reliability/High Diagnostics)
DI3301 / DO3401: Digital I/O Modules
Related products