Triconex 3636T 32-Channel Normally Open Relay Card

Triconex 3636T Product Introduction

The Triconex 3636T acts as a specialized interface for auxiliary systems that require physical contact closures rather than solid-state outputs. Specifically, this module receives output commands from the triple-modular redundant (TMR) main processors across three independent channels. The hardware then votes on these signals internally to drive <span style="color: blue;">32 individual relays</span> with high reliability. While the module itself is non-triplicated, the internal voting mechanism ensures that the commanded state accurately reflects the processor's intent. Therefore, the Triconex 3636T is the ideal solution for interfacing with annunciator panels, interposing relays, or high-voltage indicator lamps.

Integrated Diagnostic Verification

In terms of technical safety, the module features sophisticated self-testing capabilities to ensure operational readiness. Specifically, the Triconex 3636T incorporates a <span style="color: red;">loopback circuit</span> for every output point. This circuit independently verifies the physical operation of each relay switch regardless of whether a field load is connected. Meanwhile, continuous background diagnostics monitor the overall health of the module's internal circuitry. If the module detects a hardware discrepancy, it immediately activates the <span style="color: blue;">FAULT indicator</span> and triggers the chassis alarm. Consequently, operators can identify and address relay failures before they impact plant monitoring.

High-Power Switching Capacity

Regarding electrical performance, the module handles significant power levels compared to standard digital output cards. Specifically, the Triconex 3636T supports a maximum voltage range of <span style="color: red;">155 VAC or VDC</span>. Each of the 32 non-commoned points can manage a current load of up to <span style="color: blue;">2A</span>, providing a maximum resistive switching power of 2000 VA. Moreover, every output channel features an individual 2.5A fast-acting fuse to protect the internal relay contacts from overcurrent conditions. Therefore, the module provides a rugged and versatile interface for a wide variety of industrial field devices requiring discrete control.

Technical Specifications

Mechanical and Environmental Parameters

Specifically, the Triconex 3636T utilizes the standard silver-blue color coding to distinguish it as a relay-based output module. The hardware supports <span style="color: blue;">hot-spare functionality</span>, allowing technicians to install a backup module in an adjacent slot for uninterrupted maintenance. Furthermore, the module requires a separate External Termination Panel (ETP) and a dedicated cable interface to connect to the Tricon backplane. This design separates the high-voltage field wiring from the sensitive logic backplane, providing a point isolation rating of <span style="color: red;">2500 VDC</span>. Finally, the module status is clearly visible through PASS, FAULT, and ACTIVE LED indicators on the front panel.

Installation Guide

First, ensure that the target chassis slot is configured in the TriStation software to accept the Triconex 3636T module. Next, align the module with the guide rails in the Tricon backplane and slide it forward until the locking levers engage. After that, connect the interface cable from the backplane connector to the corresponding <span style="color: blue;">External Termination Panel (ETP)</span>. Furthermore, verify that the field wiring is connected to the ETP terminals and that the voltage does not exceed 155V. Finally, apply power to the system and observe the <span style="color: red;">PASS LED</span> to confirm that the module has successfully completed its initialization diagnostics.

Packaging List

• 1 x Triconex 3636T Relay Output Module

• Factory-Original Protective Static Shielding

• Shipping Carrier: Fedex, UPS, DHL

FAQ

Q: Is the 3636T a triplicated or non-triplicated module?

Specifically, the Triconex 3636T is a non-triplicated module intended for non-critical or auxiliary points.

Q: What is the maximum current each relay contact can switch?

The module supports a maximum current load of <span style="color: red;">2A</span> per point for resistive loads.

Q: Does the module require a separate termination assembly?

Yes, the Triconex 3636T requires an External Termination Panel (ETP) and a cable to interface with field wiring.

Q: Can I replace the module while the system is under power?

Absolutely, the module supports hot-spare operations, allowing for replacement without powering down the Tricon chassis.

Q: What happens if an individual relay fuse blows?

Specifically, the <span style="color: blue;">Output Status LED</span> for that point will indicate a fault, and the module will trigger a chassis alarm.