Triconex 3604E TMR Digital Output Module

Overview

The Triconex 3604E TMR Digital Output (DO) Module is a highly reliable component for critical systems, utilizing triple modular redundancy (TMR) and advanced diagnostics to ensure safe and fault-tolerant operation.

Features

Triple Modular Redundancy (TMR):
- Processes output signals from three main processors and votes via quadruplicated output circuitry for high reliability.
- Ensures maximum availability and safety through redundant signal paths.
Voltage-Loopback Circuit:
Verifies output switch operation independently of the load, detecting latent faults and activating the LOAD/FUSE alarm for mismatched states.
Diagnostics:
- Comprehensive monitoring of channels and circuits.
- Faults trigger the Fault indicator and chassis alarm while ensuring continued operation with single or certain multiple faults.
Hot-Spare Capability:
Supports online replacement of faulty modules without disruption.
External Termination Panel (ETP):
Requires a separate ETP connected to the Tricon backplane.
Output Design:
Sources current to field devices, requiring field power to be wired to each output point.

Specifications

Feature	Specification
Model Number	3604E
Nominal Voltage	24 VDC
Type	TMR
Output Signals	16, non-commoned
Voltage Range	22-45 VDC
Voltage Drop¹	<4 V, typical
Frequency Range	n/a
Current Ratings	– 2 A per point
	– 10 A surge (10 ms)
Load Leakage	2 mA maximum
Chassis Leakage	n/a
Fuses (on Field Termination)	1 per output, 2.5 A fast-acting
Point Isolation	1500 VDC
Diagnostic Indicators	– ON/OFF State: 1 per point
	– Module Status: PASS, FAULT, ACTIVE
	– Field Alarm: LOAD/FUSE
Color Code	Dark Blue

¹ Typical voltage drop across the module.

This compact format ensures quick understanding and reference for engineers and system designers.

About Us

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