TRICONEX EPI3382 Relay output module

Description

TRICONEX EPI3382 

This high-reliability, triple modular redundant (TMR) digital output module is designed for Tricon and Trident safety instrumented systems. Its primary function is to convert low-level logic signals from the internal Triconex controller, which have undergone triple processing, into high-power signals capable of controlling field devices such as solenoid valves, motor starters, shutoff valves, and alarms.

1. Core Function & Purpose

The TRICONEX EPI3382 is a high-reliability, Triple Modular Redundant (TMR) digital output module used in Tricon and Trident Safety Instrumented Systems (SIS). Its primary function is to convert the low-level logic signals processed by the Triconex controller and drive them into high-power signals capable of controlling field devices (such as solenoid valves, motor starters, shutdown valves, alarms, etc.).

2. Key Features

• Triple Modular Redundant (TMR) Design: The module contains three independent, isolated relay channels. Each channel receives commands from one of the three main processors. The system uses a “two-out-of-three” voting mechanism to ensure that a single fault does not cause a false or failed operation, providing extremely high safety and availability.

• High Load Driving Capacity: Each output point is typically capable of directly driving loads up to 2A and supports both AC and DC power supplies over a wide voltage range (e.g., up to 150V AC/DC or 250V AC/DC, depending on the specific model variant).

• Field Load Diagnostics: The module features advanced diagnostics to detect field circuit faults, such as:

  • Open Circuit Detection: Detects if the output loop is broken.

  • Short Circuit Detection: Detects if the output is shorted to ground or power.

  • Load Current Monitoring: Monitors whether the actual load current is within the normal range.

• Fail-Safe Mode: Upon detection of a system fault (e.g., power loss, processor fault, internal communication loss), all module outputs are forced to a predefined safe state (typically the “De-energized” or “Off” state) to ensure the process is in a safe condition.

• Hot Swappable: The module supports online installation or removal while the system is powered up and running, greatly facilitating maintenance and troubleshooting, thereby improving system availability.

• Status Indication: The module has clear LED indicators on the front for each channel, displaying power, communication, fault, and output status, enabling quick diagnostics and troubleshooting.

3. Technical Specifications Summary

• Product Family: Tricon / Trident Safety Instrumented System (SIS)

• Module Type: Digital Output (DO)

• Redundancy Architecture: Triple Modular Redundant (TMR)

• Output Type: Relay Dry Contact (Form A – Normally Open Contact)

• Number of Outputs: Typically 4 or 8 independent TMR output points (depending on the 3704E sub-model)

• Load Capacity: Up to 2A per point, supporting AC and DC.

• Isolation: High-degree electrical isolation between channels and between channels and logic circuits.

• Diagnostics: Open circuit, short circuit, overload detection.

4. Typical Applications

The TRICONEX EPI3382 (3704E) module is widely used in industrial sectors with the highest demands for safety and reliability, including:

• Oil & Gas: Emergency Shutdown (ESD), Fire & Gas Detection Systems (F&G), Burner Management Systems (BMS).

• Chemical & Petrochemical: Process Shutdown Systems (PSS), Safety Interlock Systems.

• Power Generation: Turbine Control Systems.

• Other Critical Process Control: Any application requiring high-integrity final action.

 

Sales of the brand:

ABB、EPRO、GE、FOXBORO、Schneider、Rexroth、Honeywell、Bently、YASKAWA other global DCS system and PLC system, servo system of famous industrial brand.

 

☀️Tara(Sales Director)

📞Tel: + 86-13806028623

📮Whatsapp:+86-13806028623

💬Email: ydf8801@163.com

🏚️Ship to you via DHL/TNT/UPS/EMS/Fedex

🥇Product Condition: One-year warranty

 

requently Asked Questions:
1. How long does it take to receive the goods?
We have stock in stock and can accept same-day payment and delivery!

2. What payment methods do you accept?
There are many methods (T/T…) for you to choose from, and you can choose whatever you want.

3. Is there after-sales service?
Of course, if our products are brand new, they have a one-year warranty!

4. What courier services do you accept? We offer SF Express, DHL, and other international express delivery options.

5. How can I contact you?

You can contact me 24/7 via WeChat, Skype, WhatsApp, LINE, and my email!

 

Company Profile

Xingchuang Ronghe (Fuzhou) Electric Co., Ltd. is a company specializing in the sales and technical services of spare parts for the world’s top industrial automation systems. With our profound industry experience and stable supply channels, we provide domestic and foreign customers with original, authentic, complete models, and fast-delivered precision spare parts solutions. We are your reliable partner in ensuring production continuity and stability.

We specialize in distributing the following core brands and product lines:

ABB

•  Process Control: ABB DCS process control system full range of components.
• ABB FreeLance AC800F power modules: SA801F/SA811F/SD802F/SD812F, EI811F/ABB EI812F/ABB EI813F, etc.
• ABB S800 analog I/O modules: AI801/AI810/AI825/AO801/AO845/AO895
• ABB S800 digital I/O modules: DI801/DI810/DO801/DO810

Bently Nevada
3500 Module Mainboards: 3500/42, 3500/45, 3500/40, 3500/50, etc.
(CPU Modules): 3200/32, 3500/25
3500 Module Minimum Cards: 128229-01, 128229-01, 133442-01, 125800-01, 167699-02, etc.
Extension Cables: 330850-50-05 (for preamplifier), 330730-040-00-00, 330103-00-06-10-02-00, etc.

EPRO

•  MMS6000 TSI System: MMS6110/MMS6210/MMS6220 series monitoring modules.
  Sensors: Proximitor sensors CON011, CON021, CON031, etc

GE

• PLC Systems: IC693, IC695, and IC697 Series Modules.
• Drives and Protection: GE DRIVE SYSTEMS Series Inverters, SR Integrated Protection Frame Series.

Rexroth

• Drives and Motors: Full range of Rexroth servo drives and controllers; models include: servo motor 2AD160B-B0350R2-BS03-D2V1, MSK040C-0600-NN-M1-UP1-NSNN, etc.
• Rexroth communication boards and amplifier boards: MTS-P01.2-D2-B1-E1-NN-NN-FWEP, VT-VPCD-1-1X/V0/1-0-1, VT5006-17B, etc.

Siemens

· Process Instruments and Controllers: Siemens MOORE series, common models include: QLCDM024DCBAN, 39ACM24BEN, 39AC12T4V1, 16114-171, etc.
· Automation Systems: Full range of SIMATIC S5 PLCs, SIMATIC S7-400 CPU modules and expansion modules, Simatic C7 systems, and various Siemens touch screens.