Triconex 2750 | Programmable Control Module for TMR Series

Triconex 2750 Programmable Controller Module – Product Description

Overview

The Triconex 2750 Programmable Controller Module supports demanding safety applications where predictable logic execution and long-term system stability are essential. Engineers rely on this module because it processes complex safety functions while maintaining deterministic performance under varying plant conditions. Moreover, its TMR architecture provides continuous fault masking, therefore ensuring that safety logic executes reliably even when a component experiences a failure. As a result, facilities with strict SIL3 requirements often use the 2750 to extend the operating life of mature Triconex systems.

Technical Specifications

Architecture

• Triple Modular Redundancy (TMR) with three processors

• Supports C-language programming

• Configured via TriStation 1131

I/O Capacity

• Maximum input points: 256

• Maximum output points: 128

• Supports analog and digital signals

Electrical Ratings

• Input voltage: 24 VDC

• Output voltage: 24 VDC

• Low-power continuous operation

Communications

• Modbus

• Ethernet

• RS-232

• RS-485

Performance & Diagnostics

• Real-time monitoring and fault detection

• SOE recording with millisecond resolution

• Continuous self-diagnostics with controller reporting

Physical Specifications

• Dimensions: 197 mm × 287 mm × 170 mm

• Weight: 1.5 kg

• Plug-in chassis module

Environmental Ratings

• Operating temperature: –20 °C to +60 °C

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

• Humidity: 5–95% non-condensing

Certifications

• IEC 61508 SIL3

• CE, UL, CSA compliant

Ordering Information

• Model number: 2750

• Assembly number: 3000105

• Status: discontinued by manufacturer

FAQ

Q1: Is the Triconex 2750 still manufactured?
No. Production has ended, although the module remains widely used in active SIS installations.

Q2: What type of applications use the 2750 controller?
It supports ESD, F&G, turbine protection, and complex safety logic processing.

Q3: Does the 2750 require TriStation software?
Yes. It uses TriStation 1131 for configuration and logic development.

Q4: Can it communicate with modern DCS platforms?
Yes. It supports Ethernet, Modbus, RS-232, and RS-485 interfaces.

Q5: Is the 2750 certified for SIL3 applications?
Yes. It carries IEC 61508 SIL3 certification with TÜV approval.