Triconex 3401 Digital Output Module

The Triconex 3401 Digital Output Module provides reliable, secure, and high-performance control for safety-critical applications. Designed by Triconex, this module ensures robust digital signal switching, making it ideal for use in demanding industrial environments. With 16 output channels, the 3401 offers a wide voltage range and advanced diagnostics to ensure continuous operation even under harsh conditions.

Key Features

16 output channels with a common ground for versatile applications.
Nominal output voltage of 24V DC for consistent operation.
Wide operational voltage range from 15V to 30V DC.
Advanced diagnostics with detection for open circuit, short circuit, and power faults.
High current capacity, supporting up to 4.8A switching current.
Rugged design for use in industrial environments with high reliability.
Fault coverage includes stuck-on/off switch detection and drive circuitry monitoring.
Supports loop-back scan time of <1.0 ms for all 16 points.

Technical Specifications

Specification	Details
Model Number	3401
Manufacturer	Triconex
Product Type	Digital Output Module
Output Channels	16, common ground
Nominal Output Voltage	24V DC
Operational Voltage Range	15V to 30V DC
Absolute Max Output Voltage	33V DC
Reverse Input Voltage (Max)	-0.6V DC
Switching Current	<4.8A (self-limiting); 3.0A typical
Degraded Mode Current	>0.7A (self-limiting); 1.5A typical
Diagnostic Functions	Open circuit, short circuit, power fault, output readback
Glitch Duration	<2 ms max; 500 µs typical
Fault Coverage	Stuck-on/off switch detection, drive circuitry monitoring
Loop-back Scan Time	<1.0 ms for all 16 points
On-state Voltage Drop	<1.0V DC @ 1.5A
Leakage Current (Off State)	<1 mA
Max Toggle Rate	20 ms
Operating Temperature	-40°C to +70°C
Relative Humidity	5% to 95%, non-condensing

Description

The Triconex 3401 Digital Output Module is specifically engineered to deliver superior performance in safety-critical environments. This module features 16 output channels, each with a common ground, providing flexible integration into your control systems. With a nominal output voltage of 24V DC and a wide operational voltage range of 15V to 30V DC, it ensures reliable operation in demanding conditions.

This module supports advanced diagnostic functions, including open circuit, short circuit, and power fault detection. It also features fault coverage for stuck-on/off switch detection and monitoring of drive circuitry, ensuring a high level of operational safety. The 3401 guarantees low glitch durations of <2 ms, with a loop-back scan time of <1.0 ms for all 16 output points, making it ideal for high-speed applications.

The Triconex 3401 Digital Output Module is designed to handle up to 4.8A switching current (self-limiting), with typical operation around 3.0A. It also provides enhanced durability, with a leakage current of less than 1 mA when in the off state.

Applications

Safety-critical applications where reliability and secure signal switching are essential.
Process control systems requiring high current capacity and precise diagnostics.
Industrial environments that demand rugged and reliable modules for continuous operation.