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Product Introduction
The Triconex 3611E is an 8-channel supervised digital output module designed for use within Triconex Safety Instrumented Systems (SIS). Operating at a nominal voltage of 115 VAC, 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 8 outputs is commoned, providing a shared return path that simplifies wiring. The module incorporates optical isolation, surge protection, 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 3611E Digital Output Module |
| Part Number | 3611E |
| Manufacturer | Triconex (a brand of Schneider Electric) |
| System Compatibility | Triconex Safety Instrumented Systems (SIS) |
| Number of Output Channels | 8 (commoned) |
| Output Type | Supervised Digital Output |
| Nominal Output Voltage | 115 VAC |
| Voltage Range | 90–155 VAC |
| Frequency Range | 47–63 Hz |
| Output Current per Channel | 2 A (maximum) |
| Total Output Current | 10 A (maximum) |
| Maximum Switching Power | 2,000 VA (resistive) |
| Minimum Required Load | 50 mA |
| Surge Current per Channel | 10 A per AC cycle |
| On-State Voltage Drop | < 2 V (typical) |
| Chassis Leakage | 1 mA max. @ 60 Hz |
| Load Leakage | 4 mA max. |
| Fuses (on Field Termination) | 1 per output (2.5 A fast-acting) |
| Point Isolation | 1,500 VDC (minimum) |
| Diagnostic Indicators | POINT, PWR, LOAD, PASS, FAULT, ACTIVE |
| Color Code | Deep green |
| Operating Temperature Range | 0°C to 60°C |
| Storage Temperature Range | -40°C to 85°C |
| Dimensions (W × H × D) | 114.3 ×127 × 107.95 mm |
| Weight | 1.5 kg |
| Mounting Type | Rack-mounted within Triconex chassis |
| Certifications | CE, UL |
| Country of Origin | USA |
Product Applications
The Triconex 3611E 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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Simplified Wiring: Commoned outputs reduce wiring complexity, facilitating easier installation and maintenance.
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Robust Protection: Built-in optical isolation, surge protection, 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 (90–155 VAC), 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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What is the primary function of the Triconex 3611E module?
The 3611E provides 8 supervised digital outputs for controlling field devices in safety-critical applications. -
What does Triple Modular Redundancy (TMR) mean in this context?
TMR refers to the use of three independent processing units that perform the same operations simultaneously, enhancing fault tolerance. -
Can the 3611E handle DC voltage outputs?
No, the 3611E is designed specifically for 115 VAC outputs. -
What types of protection are included in the 3611E module?
Each output channel includes optical isolation, surge protection, and short circuit protection to prevent damage from electrical faults. -
Is the 3611E suitable for use in hazardous environments?
Yes, it is designed for industrial applications and complies with relevant safety certifications. -
How are the output channels configured?
The module features 8 commoned output channels, simplifying wiring and enhancing safety. -
What is the maximum current per output channel?
Each channel can handle up to 2 A, with a total maximum output current of 10 A. -
What are the physical dimensions of the 3611E module?
The module measures 114.3 ×127 × 107.95 mm. -
What is the weight of the 3611E module?
The module weighs 1.5 kg. -
Does the 3611E support diagnostic feedback from the field devices?
Yes, the module includes diagnostic indicators such as POINT, PWR, LOAD, PASS, FAULT, and ACTIVE for monitoring output status and module health.
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 |
