Triconex 3700A Analog Input Module | 32-Channel TMR AI

Triconex 3700A Analog Input Module

The Triconex 3700A is a high-performance analog input module for critical process control. This TMR module provides 32 differential DC-coupled inputs with triple-redundant architecture. It ensures reliable data acquisition through mid-value selection voting.

Technical Specifications

• Input channels: 32 differential points, DC-coupled
• Voltage range: 0-5VDC (3700A only)
• Resolution: 12 bits for precise measurement
• Weight:3 kg
• Update rate: 55 ms for all channels
• Accuracy: <0.15% of FSR (0° to 60°C)
• Input resistance: 30 MΩ minimum
• Common mode rejection: -80 dB (DC-100Hz)

Input Protection & Isolation

• Overrange protection: 150 VDC/115 VAC continuous
• Common mode range: -12V to +12V peak
• Leg-to-leg isolation: 200 kΩ typical
• Normal mode rejection: -17 dB @ 60Hz
• Current input capability: 0-20 mA with 250Ω shunt

Key Features

• TMR architecture with three independent input channels
• Mid-value selection algorithm for data integrity
• Hot-spare capability for online module replacement
• Mechanical keying prevents improper installation
• Yellow color coding for easy identification
• Requires external termination panel (ETP)

Diagnostics & Status

• Module status indicators: PASS, FAULT, ACTIVE
• Continuous channel-level diagnostics
• Fault indication activates chassis alarm
• Operates with up to two faulty channels

Shipping & Delivery

• Product: Triconex 3700/3700A Analog Input Module
• Shipping carriers: FedEx, UPS, DHL
• Same-day shipping available
• International shipping supported

FAQ

• Input type? - 32 differential DC-coupled inputs
• Voltage range? - 0-5VDC (3700A model only)
• Redundancy? - TMR with triple redundant channels
• Update rate? - 55ms for all 32 points

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