Triconex 3626X 24VdcSupervised Digital Output
Delivery time 3 days
Product origin New/used
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The Triconex 3626X (DO 3626X) is a 24V supervised digital output module in the T
The Triconex 3626X (DO 3626X) is a 24V supervised digital output module in the Triconex TMR Safety Instrumented System (SIS), designed for Safety Intensive Lack of Technology (SIL 3) applications.
I. Core Specifications
Model: 3626X (DO 3626X)
Brand: Triconex (Schneider Electric)
Type: TMR Triple Modular Redundancy 24Vdc Supervisory Digital Output Module
Number of Channels: 16 independent outputs
Operating Voltage: 24 VDC (18-32 VDC)
Output Type: Solid State Relay / Dry Contact
Maximum Load: 0.5A / Channel @ 30V DC
Supervised Function: Supports line monitoring, detects open circuits, short circuits, and load faults
Isolation: Channel-to-channel / Field-to-System electrical isolation (1500 VAC)
Architecture: Triple Modular Redundancy (TMR), 2 out of 3 (2oo3) voting mechanism
Hot-Swapping: Supported, online maintenance without downtime
Safety Certification: IEC 61508 SIL 3
Operating Temperature: -40°C ~ +85°C
Installation: Tricon rack mount
II. Key Functional Features
TMR Triple Redundancy Architecture
Internal three independent circuits process in parallel, 2oo3 voting outputs, single-point failure does not affect the system
Automatic fault detection, isolation, and fault tolerance, system availability > 99.999%
Supervised Output
Real-time loop diagnosis: Continuously monitors output status and load loop integrity
Detectable: Line breakage, short circuit, load loss, external power failure
Triggers system alarms in case of fault, ensuring safe operation
Powerful Diagnostics
Each channel LED status indicator
Complete module health, channel, power supply, and field loop diagnosis
Safety Applications
Designed for Emergency Shutdown (ESD), Burner Management System (BMS), and Safety Interlocking System (SIS)
Directly drives solenoid valves, motors, indicator lights, and alarm loops
III. Typical Application Scenarios
Petrochemical: Safe shutdown and interlocking of reactors, compressors, and pumps
Power Plant: Boiler and turbine safety protection
Oil & Gas: Emergency shutdown of wellheads and pipelines
Metallurgy/Pharmaceutical: Safety control of high-risk processes
IV. Differences from Ordinary DO Modules
Supervised Monitoring: 3626X can actively detect line faults, which ordinary modules cannot.
TMR Redundancy: Triple circuitry + voting, SIL 3 safety level
High fault tolerance: Safe operation even in the event of a single/dual-channel failure
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