The​​TRICONEX 3664​​is a digital output module designed for high-reliability safety instrumented systems(SIS)and critical process control applications.It serves as a key interface between the Triconex controller and field devices like valves and relays,providing robust and fault-tolerant control in industries such as oil and gas,power generation,and chemical processing

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Parameter

Specification

​​Product Model​​

3664

​​Manufacturer​​

Triconex(part of Honeywell)

​​Product Type​​

Digital Output Module

​​Output Channels​​

16 channels

​​Output Type​​

Solid State Relay(SSR)

​​Output Signal​​

32,common

​​Nominal Voltage​​

24 VDC

​​Voltage Range​​

16-30 VDC

​​Maximum Voltage​​

36 VDC

​​Current Rating​​

2A per point,with 10A surge per 10ms

​​Power Consumption​​

<10 Watts

​​Isolation​​

1500 VDC minimum(point-to-point)

​​Communication​​

Triconex TriBus

​​Operating Temperature​​

Designed for industrial environments

​​Key Features​​

Triple Modular Redundancy(TMR),hot-swappable,comprehensive diagnostics

​​Product Overview​​

The​​TRICONEX 3664​​is an integral component of the Tricon control system,renowned for its Triple Modular Redundancy(TMR)architecture.This design incorporates three separate internal circuits that operate in parallel.The system continuously”votes”on outputs,ensuring continuous operation even if one channel fails,which is critical for safety-critical functions like emergency shutdown systems

.The module supports hot-swapping,allowing for maintenance and replacement without shutting down the entire control system,thereby maximizing plant availability

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​​Main Features and Advantages​​

​​High Reliability with TMR Architecture​​:The​​3664​​module’s triple redundancy ensures that a single point of failure does not lead to a system shutdown.This makes it exceptionally suitable for applications where safety and uptime are paramount,such as in offshore oil platforms or chemical processing plants

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​​Advanced Diagnostics and Maintenance​​:Built-in diagnostic capabilities continuously monitor the health of the module and connected field devices.Features like output”stuck-on”or”stuck-off”detection allow for proactive maintenance,reducing mean time to repair and preventing unforeseen downtime

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​​Robust Performance in Harsh Conditions​​:With a wide operating voltage range(16-30 VDC),high point-to-point isolation(1500 VDC),and a rugged industrial design,the​​3664​​module maintains stable performance in electrically noisy and physically demanding environments

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​​Application Fields​​

The​​TRICONEX 3664​​is deployed in industries where safety and reliability are non-negotiable.

​​Oil&Gas​​:Used in emergency shutdown(ESD)and fire&gas systems on refineries and platforms to reliably control safety valves and prevent catastrophic incidents

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​​Power Generation​​:Ensures the safe operation of turbines and generators by executing critical shutdown commands in power plants

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​​Chemical and Pharmaceutical​​:Provides reliable control for batch processes and safety interlocks in environments where precision and failure tolerance are critical

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​​Installation and Maintenance​​

​​Installation​​:The module is designed for DIN rail mounting within a Tricon rack.It is crucial to ensure proper wiring and grounding to maximize noise immunity and system performance

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​​Maintenance​​:The hot-swappable feature allows for the replacement of a faulty module without powering down the system.Regular checks should focus on the status indicators(PASS,FAULT,ACTIVE)and the overall health reports from the control system’s diagnostics

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