Triconex 3703E Isolated Analog Input Module — Product Description

Overview

The Triconex 3703E is an isolated analog input module designed for the Tricon Safety Instrumented System (SIS). It acquires precise analog signals from field instruments and transmits them to the Tricon controller for real-time monitoring and safety logic execution. Moreover, its robust design ensures reliable performance in harsh industrial environments while supporting Triconex’s triple-modular redundant (TMR) architecture.

Technical Specifications

• Model Number: Triconex 3703E

• Type: Isolated Analog Input Module

• System Compatibility: Triconex Tricon Safety Instrumented System (SIS)

• Number of Channels: 32 isolated analog input channels

• Signal Types Supported: Current (4–20 mA, 0–20 mA), Voltage (0–10 VDC, ±10 VDC)

• Resolution: 16-bit A/D conversion

• Accuracy: ±0.1% of full scale

• Input Impedance: 250 Ω 

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

• Diagnostics: Built-in signal fault detection and integrity monitoring

• Dimensions (H × W × D): 127 × 89 × 32 mm

• Weight: 0.45 kg

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

• Storage Temperature: –40 °C to +85 °C

• Certifications: CE, UL, CSA, TUV

• Country of Origin: USA

FAQ

Q1: Which signals does the 3703E support?
It supports both current (4–20 mA, 0–20 mA) and voltage (0–10 VDC, ±10 VDC) signals.

Q2: How many input channels are available?
The module provides 32 isolated analog input channels.

Q3: Can it operate in harsh industrial environments?
Yes, it is designed for high-reliability operation in petrochemical, oil & gas, and power industries.

Q4: Does it include diagnostics?
Yes, it has built-in fault detection and system integrity monitoring.

Q5: What type of isolation does it provide?
It offers channel-to-channel and channel-to-system galvanic isolation for safety and signal integrity.