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Product Introduction
The Triconex 3603B is a high-integrity 16-channel digital output module designed for use within Triconex Safety Instrumented Systems (SIS). Operating at a nominal voltage of 120 VDC, this module is engineered to deliver reliable digital outputs in safety-critical applications. Its Triple Modular Redundancy (TMR) architecture ensures fault tolerance and continuous operation, even in the event of individual component failures.
Each of the 16 outputs is non-commoned, providing isolated channels that enhance system reliability and prevent fault propagation. The module incorporates surge and short circuit protection for each output, making it suitable for deployment in demanding industrial environments where safety and operational continuity are paramount.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Triconex 3603B Digital Output Module |
| Part Number | 3603B |
| Manufacturer | Triconex (a brand of Schneider Electric) |
| System Compatibility | Triconex Safety Instrumented Systems (SIS) |
| Number of Output Channels | 16 (non-commoned) |
| Output Type | Digital Output |
| Nominal Output Voltage | 120 VDC |
| Voltage Range | 90–150 VDC |
| Output Current per Channel | 0.8 A (maximum) |
| Total Output Current | 10 A (maximum) |
| Surge Current per Channel | 4 A for 10 ms |
| Efficiency | Approximately 85% |
| Architecture | Triple Modular Redundancy (TMR) |
| Protection Features | Surge protection and short circuit protection per output |
| Operating Temperature Range | 0°C to 60°C |
| Storage Temperature Range | -40°C to 85°C |
| Dimensions (W × H × D) | 200 x 150 x 80 mm |
| Weight | 1.2 kg |
| Mounting Type | Rack-mounted within Triconex chassis |
| Certifications | CE, UL |
| Country of Origin | USA |
Product Applications
The Triconex 3603B Digital Output Module is suitable for a variety of safety-critical applications across multiple industries:
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Emergency Shutdown Systems (ESD): Facilitates safe shutdown procedures in response to hazardous conditions.
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Fire and Gas Detection Systems: Controls alarms and suppression systems upon detection of fire or gas leaks.
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Turbine Control Systems: Manages turbine operations, ensuring safe start-up, operation, and shutdown sequences.
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Process Control Systems: Provides reliable output control in chemical, petrochemical, and oil & gas processing facilities.
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Machine Safety Systems: Ensures safe operation of machinery by controlling actuators and interlocks in manufacturing environments.
Product Advantages
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High Reliability: TMR architecture enhances system reliability by allowing continuous operation despite individual component failures.
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Isolated Outputs: Non-commoned channels prevent fault propagation, enhancing overall system safety.
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Robust Protection: Built-in surge and short circuit protection safeguard both the module and connected field devices.
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Wide Voltage Range: Operates effectively within a broad voltage range (90–150 VDC), accommodating various power supply conditions.
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Industrial Durability: Designed to withstand harsh industrial environments with a wide operating temperature range and robust construction.
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Ease of Integration: Seamlessly integrates into existing Triconex SIS architectures, facilitating upgrades and expansions.
Frequently Asked Questions (FAQ)
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How many field devices can be connected to the Triconex 3603B module?
The 3603B module supports 16 independent digital output channels, each capable of directly driving a discrete field device such as a solenoid valve, relay coil, or indicator light. -
Can each output channel on the 3603B be independently controlled?
Yes, all 16 output channels are individually isolated and independently addressable, allowing for precise control of each connected device. -
What types of loads are compatible with the 3603B’s outputs?
The module is designed to handle inductive and resistive DC loads, including solenoids, contactors, and small DC motors, provided they fall within the voltage and current rating limits. -
Is external protection required for the outputs?
No, each output is already equipped with internal short circuit and surge protection, eliminating the need for external fuses or suppressors in most installations. -
Does the 3603B support diagnostic feedback from the field devices?
While it provides protection and isolation, the 3603B does not include feedback monitoring. For applications requiring supervision or diagnostics, Triconex offers supervised output modules like the 3625. -
What’s the typical reaction time from logic command to output switching?
The module is optimized for fast response times, typically in the range of a few milliseconds, suitable for critical safety interlock functions. -
Is this module hot-swappable?
No, due to safety considerations in SIS environments, the 3603B must be installed or replaced during system shutdown with proper isolation and grounding procedures. -
What wiring practices should be observed when connecting loads to the 3603B?
Use shielded cables for noise immunity, ensure proper grounding, and avoid mixing high-voltage or AC lines in the same conduit as DC control wiring. -
What maintenance is required for the 3603B?
The module is solid-state and generally maintenance-free. However, periodic inspection of terminal connections and verification of output operation during scheduled system testing is recommended. -
Can the 3603B operate in redundant configurations?
Yes, the module is designed for use in TMR-based redundant systems, supporting high-availability applications where any one channel or leg can fail without affecting overall system function.
Related Models in the Same Series
| Model | Description | Output Voltage | Channels | Notes |
|---|---|---|---|---|
| 3601E | Digital Output Module, 115 VAC, Non-commoned | 115 VAC | 16 | Opto-isolated outputs |
| 3603E | Digital Output Module, 120 VDC, Non-commoned | 120 VDC | 16 | Enhanced version of 3603B |
| 3604E | Digital Output Module, 24 VDC, Non-commoned | 24 VDC | 16 | TMR architecture |
| 3607E | Digital Output Module, 48 VDC, Non-commoned | 48 VDC | 16 | TMR architecture |
| 3623T | Digital Output Module, 120 VDC, Commoned, Supervised | 120 VDC | 16 | Supervised outputs |
| 3625 | Digital Output Module, 24 VDC, Commoned, Supervised | 24 VDC | 32 | High-density supervised outputs |
Popular Models from Triconex
| Model | Function | System | SIL Level | Application |
|---|---|---|---|---|
| 3501E | Digital Input Module, 115 VAC/VDC, Non-commoned | Tricon | SIL 3 | High-integrity digital input applications |
| 3700A | Analog Input Module, 0–5 VDC, Differential | Tricon | SIL 3 | Precise analog signal acquisition |
| 3805E | Analog Output Module, 4–20 mA Current Loop | Tricon | SIL 3 | Analog control in safety systems |
| 3636R | Relay Output Module, Non-triplicated, Normally Open | Tricon | SIL 3 | Relay-based output control |
| 3664 | Digital Output Module, 24 VDC, Commoned Dual | Tricon | SIL 3 | Dual redundant digital outputs |
| 3674 | Digital Output Module, 24 VDC, Commoned Dual | Tricon | SIL 3 | Dual redundant digital outputs |
