Triconex 3604A Digital Output Module

Technical Dossier

Product Details And Specifications

Triconex 3600 Series Technical Notes

The Triconex 3600 Series is a core module family within the Tricon Safety Instrumented System (SIS), one of the most widely deployed triple modular redundancy (TMR) platforms in global heavy industry. Installed across petrochemical complexes, nuclear power stations, offshore platforms, LNG terminals, and crude oil refineries, the 3600 Series provides the I/O backbone for safety-critical process control. Its TMR architecture — three independent processing paths with continuous cross-checking — enables fault tolerance without process shutdown, making it the reference standard for IEC 61511 and IEC 61508 SIL 3 applications. The 3604A Digital Output Module covered on this page is one of the most frequently sourced components in this family, used to drive solenoid valves, motor starters, and discrete actuators in hazardous-area installations.

3600 Series Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly deployed modules within the Triconex 3600 Series. Each entry includes a concise functional description for rapid identification during maintenance planning or spare parts procurement.

3604A: 32-channel 24 VDC digital output module, TMR, solid-state, individual channel diagnostics.
3601E: 32-channel 24 VDC digital input module, TMR, wet contact, field-powered.
3602E: 32-channel 115 VAC digital input module, TMR, optically isolated inputs.
3603E: 32-channel 24 VDC digital output module, relay-type, TMR architecture.
3605E: 16-channel analog input module, 4–20 mA, TMR, 12-bit resolution.
3607E: 8-channel analog output module, 4–20 mA, TMR, loop-powered.
3608E: 16-channel thermocouple/RTD input module, TMR, multi-type sensor support.
3609: 16-channel analog input module, high-density, 4–20 mA, TMR.
3611E: 32-channel 24 VDC digital input module, TMR, dry contact, internally powered.
3613: 32-channel 115 VAC digital output module, TMR, solid-state, zero-cross switching.
3614: 32-channel 230 VAC digital output module, TMR, solid-state, high-voltage rated.
3617: Pulse input module, 8-channel, TMR, for turbine flow and speed measurement.
3620: Communication module, HART pass-through, 16-channel, TMR backplane interface.
3625: Fieldbus communication module, FOUNDATION Fieldbus H1, TMR-compatible.
3636R: Redundant power supply module, 24 VDC input, TMR chassis power distribution.
3700A: Main Processor Module (MP), Tricon v10, TMR CPU, 32 MB RAM, Ethernet port.
3721: Communication module, Modbus TCP/IP, dual-port Ethernet, TMR-compatible gateway.