



The Triconex 3603B Digital Output Module is a robust and fault‑tolerant I/O component engineered for use within Triconex Safety Instrumented Systems (SIS). Operating under Triple Modular Redundancy (TMR) architecture, this module delivers reliable digital output signals to drive field devices such as contactors, solenoids, alarms, and shutdown actuators. With comprehensive diagnostics and industrial‑grade performance, it supports mission‑critical safety applications where deterministic actuation and ongoing system health visibility are essential.
The 3603B’s rugged construction and continuous verification capabilities make it a preferred choice in environments like petrochemical plants, power generation facilities, and heavy industrial automation systems where safety, uptime, and maintainability are high priorities.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Digital Output Module |
| Model | 3603B |
| System Compatibility | Triconex Safety Instrumented Systems (TMR) |
| Output Channels | 16 commoned digital outputs |
| Nominal Operating Voltage | 24 V DC |
| Operating Voltage Range | 16 – 32 V DC |
| Max Output Current per Channel | ~0.5 A |
| Output Voltage Drop | < 3 V typical |
| Isolation Between Logic & Field | ≥ 1500 V DC |
| Diagnostics | PASS / FAULT / ACTIVE per output |
| Hot‑Swap Support | Yes (system dependent) |
| Operating Temperature | –40 °C to +70 °C |
| Storage Temperature | –40 °C to +85 °C |
| Mounting | Rack‑mounted in Tricon chassis |
| Dimensions (H × W × D) | Approx. 203 × 127 × 51 mm |
| Weight | Approx. 1.0 – 1.6 kg |
Typical physical size reflects the standard Triconex module form factor used across SIS output cards.
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