Triconex 3805E TMR Digital Output Module in stock
Triconex 3805E is a hot-swappable triple modular redundant digital output module for Tricon SIS safety instrumented systems under Schneider Electric. It outputs safety discrete signals to drive solenoid valves, relays and alarm devices to execute safety interlock and emergency shutdown commands.
This SIL3 certified module adopts TMR 2oo3 voting design with built-in channel diagnostics. It is discontinued legacy spare parts, widely used for maintenance replacement of ESD, fire & gas and burner management systems.
Main Specifications
| Item | Parameter |
| [1] Brand | Triconex (Schneider Electric) |
| [2] Model | 3805E |
| [3] Product Type | TMR Digital Output Module |
| [4] Channels | 32 digital output channels |
| [5] Safety Grade | IEC 61508 SIL 3 |
| [6] Feature | Hot swappable, TMR fault tolerant |
Core Functions
| Function | Description |
| [1] Safety Digital Output | Output on/off control signals to solenoid valves, relays and field actuators. |
| [2] TMR 2oo3 Voting | Triple redundant circuit, automatically mask single channel hardware fault. |
| [3] Channel Self-Diagnosis | Detect open circuit, short circuit and module hardware faults in real time. |
| [4] Hot Swap Support | Module replacement without shutting down the safety rack during maintenance. |
Application Scenarios
| Industry | Usage |
| [1] Oil & Gas | ESD emergency shutdown and fire & gas suppression for offshore platforms. |
| [2] Chemical Industry | Safety interlock control of reactor and hazardous process units. |
| [3] Power Generation | Turbine protection and burner management safety control systems. |
| [4] Legacy System Maintenance | Spare replacement for aging Tricon SIS safety racks. |
FAQ
| Question | Answer |
| [1] What is Triconex 3805E? | It is SIL3 TMR digital output module for Tricon safety instrumented SIS systems. |
| [2] What field devices can it drive? | It can drive solenoid valves, relays, alarm horns and other safety actuators. |
| [3] Can it be hot swapped? | Yes, hot swap supported without stopping the whole safety rack. |
| [4] Is Triconex 3805E discontinued? | Yes, it belongs to legacy spare parts for maintenance replacement of existing Tricon racks. |
