Note; All products on this site are special products, the market price has been fluctuating, the specific customer service offer shall prevail, because the product is a new product, the picture is not a real shot, please confirm with customer service before placing an order model and product, price and other details, the site used, new are for sale, please contact customer service communication. The Triconex 2351 is an analog input module specially built for industrial scenarios and a key component of the TRICONEX fault-tolerant control system. It is equipped with 16 input channels, capable of receiving voltage (±10V, 0-10V) and current (4-20mA) signals, with a resolution of 16 bits and an accuracy of approximately ±0.1% of full scale.
This module adopts triple modular redundancy technology, featuring extremely high reliability and effective resistance to interference. It has an operating temperature range from -40°C to +70°C, enabling it to adapt to various harsh environments.
Widely applied in industries with high demands for safety and stability such as petroleum and chemical engineering, it can accurately collect analog signals and provide reliable data support for the stable operation of control systems.
Functional Features
- High Reliability: Adopting Triple Modular Redundancy (TMR) technology, the key internal components of the module are triplicated. A fault in any single component will not affect normal operation, greatly improving system availability.
- High Safety: Compliant with relevant safety standards such as IEC 61508, it can provide safety guarantees at SIL2 or SIL3 level, making it suitable for safety-critical applications.
- Accurate Signal Acquisition: Equipped with analog input channels with 16-bit resolution and ±0.1% full-scale accuracy, it can accurately collect signals from on-site instruments such as temperature, pressure, and flow, providing reliable data for the control system.
- Strong Anti-Interference Ability: With a common-mode rejection ratio greater than 120dB and a differential-mode rejection ratio greater than 80dB, it can effectively suppress various interference signals in industrial environments.
- Good Environmental Adaptability: The operating temperature range is -40°C to +70°C, the storage temperature range is -40°C to +85°C, and the relative humidity is 5% to 95% without condensation, enabling it to adapt to harsh industrial environments.
- Easy Integration: As part of the TRICONEX control system, it can be seamlessly integrated with other TRICONEX modules and controllers, facilitating system expansion and maintenance.
Technical Parameters
- Number of input channels: 16 channels.
- Input signal types: Supports voltage (±10V, 0-10V) and current (4-20mA).
- Resolution: 16 bits.
- Accuracy: Approximately ±0.1% of full scale.
- Sampling rate: Typically in the millisecond range, with specific values configurable.
- Isolation voltage: 500VDC.
- Power supply requirements: +5VDC (provided by the backplane), power consumption less than 3W.
- Backplane interface: TRICONEX TMR bus.
Working Principle
It receives analog signals from on-site instruments, converts them into digital signals through internal circuits, and processes and verifies them via a triple modular redundancy structure to ensure the accuracy and reliability of the signals. Then, the processed data is transmitted through the backplane interface to the CPU of the TRICONEX controller for further processing and decision-making.
Application Fields
It is widely used in occasions with extremely high requirements for safety and reliability in industries such as petroleum, chemical engineering, electric power, metallurgy, and pharmaceuticals. Examples include the automatic control of large chemical plants, process monitoring in oil refineries, and relay protection in power systems. It can ensure the safe and stable operation of production processes, prevent accidents, and reduce downtime and production losses.
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