Triconex 3721 Analog Input Module

Product Description

The TRICONEX 3721 is a high-integrity analog input module designed for use in Triconex safety systems. It provides 32 isolated differential inputs for precise voltage measurements and is ideal for critical applications requiring fault tolerance and high availability.

Technical Specifications

• Input type: Analog, differential, DC-coupled

• Number of input channels: 32

• Input voltage range: 0 to 5 VDC or –5 to +5 VDC ±6%

• Input resolution: 12-bit or 14-bit (programmable)

• Input update rate: 10 ms

• Input overrange protection: 150 VDC / 115 VAC continuous

• Isolation: Channel-to-channel and channel-to-ground isolation

• Operating temperature: –20°C to +60°C

• Module compatibility: Tricon v10.2 and later systems

• Diagnostics: Built-in self-test and fault detection

• Dimensions: Approx. 2.2 cm × 40.8 cm × 40 cm

• Weight: 2.06 kg

• Certifications: IEC 61508 SIL 3 compliant