Triconex 3708E Triple Modular Redundant Thermocouple Module

Overview

The Triconex 3708E is a high-performance thermocouple module designed for industrial automation systems. It features Triple Modular Redundancy (TMR) for maximum reliability in critical applications. This module supports a variety of thermocouple types, providing accurate temperature measurements. With its robust design and comprehensive diagnostic features, the 3708E is ideal for use in temperature-sensitive environments where precision and uptime are crucial.

Key Specifications

Parameter	Specification
Product Type	Thermocouple Module (TMR – Triple Modular Redundant)
Manufacturer	Triconex
Number of Channels	16 differential, isolated channels
Supported Thermocouple Types	J, K, T, E
Input Impedance	30 MΩ (OG, minimum)
Noise Rejection	-90 dB @ 0-60 Hz (minimum), -100 dB @ DC (minimum)
Common Mode Rejection Ratio	20 KΩ (typical)
Maximum Common Mode Voltage	+200 VDC (channel-to-channel or channel-to-ground)
Maximum Voltage	110 VAC (continuous)
Temperature Measurement Response	50ms (typical)
Operating Temperature Range	32°F to 140°F (0°C to 60°C)
Diagnostic Indicators	PASS, FAULT, ACTIVE, G/F FAULT (Cold Junction Fault)
Color Code	Deep yellow

Features & Benefits

Triple Modular Redundancy (TMR): Ensures maximum reliability and availability, critical for mission-critical applications.
Wide Thermocouple Compatibility: Supports J, K, T, and E types, making it adaptable to a variety of temperature sensing needs.
High Accuracy: With a 50ms response time, the 3708E ensures quick and accurate temperature measurements.
Superior Noise Rejection: Provides excellent noise immunity with rejection of up to -100 dB at DC, ensuring stable performance even in noisy environments.
Diagnostic Indicators: Clear diagnostic LEDs (PASS, FAULT, ACTIVE, G/F FAULT) provide real-time system status, helping to quickly identify issues.
Wide Operating Range: Designed to operate between 32°F to 140°F (0°C to 60°C), suitable for a range of industrial environments.

Applications

Industrial Automation: Ideal for temperature measurement and control in automation systems.
Critical Temperature Monitoring: Perfect for high-reliability systems, such as process control and safety-critical applications.
Systems with Harsh Environments: Thanks to its robust design and diagnostic capabilities, the 3708E performs well in harsh and noise-prone industrial environments.