Details
TRICONEX DO3401 Digital Output Module
Product manual:
Model: TRICONEX DO3401
Type: Digital Output Module
Purpose: Used in Triconex safety control systems to output control signals in digital form to field devices.
Module functionality
The TRICONEX DO3401 module provides triple redundant digital output capability,
Support connection with industrial field equipment such as relays, solenoid valves, signal lights, etc.
Each output channel is equipped with isolation protection to ensure the reliability and safety of the system.
Technical Parameter
Number of output channels: 32 digital outputs
Output type: 24 VDC, low level active (Sink type output)
Output structure: Transistor output (NPN or PNP, depending on the specific version)
Channel isolation: Each channel has optoelectronic isolation between it and the system bus
Response time: ≤ 5 ms (channel delay)
Short circuit protection: equipped with channel level short circuit and overcurrent protection
Status monitoring: supports status diagnosis, failure monitoring, and LED status indication for each channel
Module recognition: supports automatic recognition and configuration, with channel addresses allocated by the controller
Structure and connection
Installation method: Insert the TRICONEX system backplane and use it in conjunction with the DO2401 base
Wiring interface: Connect to the wiring terminal on the base, and the output signal is led out by the base
Status indication: The panel is equipped with LED indicator lights to display the output status of each channel and the health status of the module
main features
Triple redundant output design: ensures reliable execution of output actions in the event of any channel failure
Hot swappable support: modules can be replaced online without interrupting system operation
High safety certification: Supports SIL 3 level and complies with IEC 61508 safety standard
Strong system diagnostic capability: capable of real-time monitoring of output status, fault detection, and power supply abnormalities
Industrial grade reliability: high anti-interference ability, suitable for harsh environments
Product details picture:

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