Triconex 2211 Product Description

Overview

The Triconex 2211 module delivers reliable signal handling for safety-instrumented applications requiring precise analog acquisition or stable discrete control. It integrates directly into the Triconex TMR architecture, ensuring consistent performance during demanding operating conditions. Moreover, its 16-channel design helps engineering teams reduce cabinet footprint while maintaining high accuracy and dependable system diagnostics. Many operators prefer this module because it improves both system responsiveness and long-term reliability.

Technical Specifications

Channels

• Analog version: 16 analog input channels

• Signal range: 0–10 VDC, 4–20 mA

• Discrete version: 16 discrete input channels (24 VDC, ≤10 mA)

• Discrete outputs: 16 channels (24 VDC, ≤2 A)

Electrical Ratings

• Input voltage: 24 VDC nominal

• Power consumption: <10 W typical

Physical Specifications

• Size: 35 × 140 × 225 mm

• Weight: 1.7kg 

• Mounting: DIN rail or Triconex chassis slot

Environmental Ratings

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

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

• Humidity: 5–95% non-condensing

Architecture & Certification

• Triple Modular Redundancy (TMR) for fault-tolerant operation

• Designed for hazardous industrial environments

• Suitable for SIL-rated safety systems

FAQ

Q1: What is the primary function of the Triconex 2211 module?
It handles either analog inputs or discrete I/O for safety-instrumented systems depending on the specific revision.

Q2: How many channels does the module support?
It includes 16 channels per module in both analog and discrete configurations.

Q3: Can it operate in high-temperature environments?
Yes, it supports continuous operation from –40 °C to +70 °C.

Q4: Does the module support 4–20 mA analog signals?
Yes, the analog version supports common process ranges including 0–10 VDC and 4–20 mA.

Q5: Is the 2211 module suitable for ESD or F&G systems?
Yes, it is widely used in ESD, fire and gas, and other SIL-rated safety applications.