Triconex Digital Output 2755 | Emergency Shutdown Applications

Triconex 2755 Digital Output Module – Product Description

Overview

The Triconex 2755 Digital Output Module delivers reliable digital signals from the Tricon controller to field devices. It ensures fast and precise actuation for safety-critical systems. Moreover, its robust design supports Triple Modular Redundancy (TMR), guaranteeing fault-tolerant operation across industrial processes. Therefore, engineers trust this module for emergency shutdown, fire & gas detection, and turbine protection systems.

Technical Specifications

Output Channels

• 32 digital output channels, fully isolated

• Nominal output voltage: 24 VDC

• Maximum current: 2 A per channel

Response Time

• <1 ms for safety-critical actuation

Isolation

• Channel-to-channel isolation for noise immunity

• Isolation between field wiring and logic circuits

Diagnostics & Monitoring

• Continuous self-diagnostics with fault reporting

• SOE recording with millisecond resolution

• Output loop monitoring for open/short circuits

Physical Specifications

• Module dimensions: 43 × 41 × 9 mm

• Weight: 2.3 lbs (1 kg)

• Plug-in card for Tricon chassis

Environmental Ratings

• Operating temperature: –40 °C to +70 °C

• Storage temperature: –40 °C to +85 °C

• Humidity: 5–95% non-condensing

Certifications

• IEC 61508 SIL3 certified

• TÜV approval for SIS applications

• CE, UL, CSA compliance

FAQ

Q1: How many output channels does the 2755 module support?
It supports 32 isolated digital output channels for flexible field control.

Q2: Can the module be serviced without shutting down the system?
Yes. The 2755 features a hot-swappable design for maintenance without process interruption.

Q3: What is the typical response time for actuation?
The module responds in less than 1 millisecond, suitable for safety-critical systems.

Q4: Is the module suitable for SIL3 applications?
Yes. It is IEC 61508 SIL3 certified and TÜV approved for SIS safety systems.

Q5: What industrial environments are appropriate for this module?
It is ideal for ESD, fire & gas, turbine protection, and power generation safety applications.