Triconex 2101 Controller Module | SIL3 Fault-Tolerant Safety Hardware

Product Description – Triconex 2101 Tricon CX Controller Module

The Triconex 2101 controller module delivers reliable, fault-tolerant performance for complex safety instrumented systems that operate in high-risk industrial environments. Its triple-modular-redundancy design ensures continuous operation, even if one processing path encounters a fault. Moreover, the module’s hot-swappable structure allows maintenance teams to replace components without interrupting system activity, which significantly reduces downtime during scheduled or emergency service. In addition, its advanced diagnostics continuously monitor hardware health and provide actionable insights for operators managing critical processes.

The 2101 module offers strong processing capability and stable I/O performance for demanding safety applications. Its compatibility with multiple communication protocols also enables seamless integration with SCADA, HMI, and DCS environments. Therefore, plants that rely on accurate protection, rapid shutdown logic, or continuous safety monitoring often select this module to support long-term system reliability.

Technical Specifications

Architecture

• Triple Modular Redundancy (TMR)

• Hot-swappable design for online maintenance

Processor & Memory

• Dual-core Intel Xeon E5-2650 processor

• 16 GB DDR3 ECC memory

• 128 GB SSD storage

I/O Capacity

• Up to 32 I/O channels per module

• Supports high-density digital and analog signals

Communication

• Ethernet TCP/IP

• Modbus RTU / Modbus TCP

• RS-232 and RS-485 serial ports

Electrical

• Input voltage: 24 VDC

• Rated current: approx. 100 mA

• Rated power: 1.1 W

Environmental

• Operating temperature: –40 °C to +60 °C

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

• Humidity: 5–95% non-condensing

• Protection: IP20

Physical

• Size: 23.6 × 13 × 6.5 cm

• Weight: 1.2 kg

Certifications

• IEC 61508 SIL3

• TÜV safety approval

FAQ

Q1: Does the Triconex 2101 support hot-swappable replacement?
Yes, the module is designed for online maintenance without interrupting system operations.

Q2: What communication protocols are supported?
It supports Ethernet TCP/IP, Modbus TCP/RTU, RS-232, and RS-485.

Q3: Is the 2101 module certified for safety use?
Yes, it meets IEC 61508 SIL3 requirements and carries TÜV approval.

Q4: Can the module operate in extreme temperatures?
Yes, it operates from –40 °C to +60 °C and stores safely down to –40 °C.

Q5: How many I/O channels does the module support?
It supports up to 32 input/output channels per module.