Description
Product Introduction
⚙️ Product: 3564
🏷️ Brand: TRICONEX
🛡️ System: Tricon Safety Instrumented System
📥 Product Type: Single Digital Input Module
The TRICONEX 3564 is a 64-point, 24 VDC Digital Input Module designed for Tricon safety systems. It is a simplex input module intended for safety-critical applications where cost efficiency is important while maintaining fail-safe operation.
🔌 The module accepts commoned 24 VDC digital field signals across 64 input points. Its input range is 15–30 VDC, with a maximum input voltage of 36 VDC. The module includes self-test circuitry that detects stuck-ON and stuck-OFF conditions in less than 0.5 seconds.
🛡️ Unlike a fully triplicated Tricon digital input module, the 3564 uses a single-module architecture with selected signal-path portions triplicated for safe operation. A hot-spare arrangement can be used to improve availability during module replacement or failure.
Product Datasheet
🔹 Model: 3564
🔹 Brand: TRICONEX
🔹 Product Type: Single Digital Input Module
🔹 Input Type: Digital Input
🔹 Number of Channels: 64 points
🔹 Input Voltage: 24 VDC nominal
🔹 DC Input Range: 15–30 VDC
🔹 Maximum Input Voltage: 36 VDC
🔹 Switching Level: ON >15 VDC / OFF <6 VDC
🔹 Nominal Turn-On Current: 2–3 mA
🔹 Input Delay: <2 ms, ON/OFF
🔹 Input Impedance: >3.0 kΩ nominal
🔹 Point Isolation: 1,500 VDC
🔹 Field Power Consumption: Approx. 0.2 W per ON point at maximum field voltage
🔹 Diagnostics: PASS / FAULT / ACTIVE + individual point status
🔹 Self-Test: Stuck-ON and Stuck-OFF detection
🔹 Mounting: Tricon Chassis
🔹 Dimensions: Approx. 110 × 26 × 170 mm*
🔹 Weight: Approx. 0.5 kg*
🔹 Country of Origin: USA*
*Dimensions, weight, and country of origin can vary by production version and packaging. The 64-point architecture, 24 VDC rating, input range, isolation, and diagnostic characteristics are documented for the 3564.
Typical Applications
🛢️ Oil & Gas Safety Systems
🏭 Process Safety Control
🚨 Emergency Shutdown Systems
⚡ Power Generation
🧪 Chemical & Petrochemical Plants
🔥 Burner and Fire & Gas Systems
📊 Digital Field Signal Monitoring
Installation & Use
🛠️ Before installation, verify the 3564 module version, Tricon chassis compatibility, field termination panel, wiring arrangement, and 24 VDC field supply.
🔌 Confirm that the field voltage remains within the specified 15–30 VDC operating range. Check commoned input wiring and terminal assignments before energizing the module.
💡 After startup, check the PASS, FAULT, and ACTIVE indicators and verify the individual input status LEDs. Confirm that field contact transitions are correctly detected by the Tricon controller.
📊 For replacement work, verify the hot-spare configuration if one is installed. A module change can briefly produce an OFF indication during transfer to the healthy spare, so the control application should be checked for the expected behavior.
⚠️ The 3564 is a simplex digital input module, not a full TMR input module. For safety-system maintenance, confirm that the existing application specifically calls for the 3564 before substituting another Tricon digital input model.
