NTAC-02 58967441 ABB Temperature transmitter Freelance DCS System Intelligent Temperature Signal conversion

Product Overview

ABB NTAC-02 is an intelligent temperature transmitter, specifically designed for Freelance distributed control systems, and is suitable for temperature measurement and signal conversion in industrial automation. This module supports multiple thermocouple and RTD input types, converting sensor signals into standardized 4-20mA output or digital communication signals. It is widely used in process control and monitoring systems in industries such as power, chemical engineering, water treatment, and food and beverage.

Core features

Support for multiple types of sensors
Thermocouples: J, K, T, E, R, S, B types
RTD: Pt100, Pt1000, Ni100, Cu50
Signal conversion accuracy
Thermocouple input: ±0.1% or ±0.2°C (typical value)
RTD input: ±0.05% or ±0.1°C (typical value)
Dual output mode
Analog output: 4-20mA (two-wire system), with HART protocol
Digital communication: Profibus PA or Foundation Fieldbus are available as options
Intelligent diagnostic function
Automatically detect sensor disconnection and short circuit
Support remote calibration and fault diagnosis

Technical parameters

Boiler and heating furnace temperature monitoring: Real-time monitoring of combustion chamber and steam outlet temperatures to ensure safe operation
Temperature control of chemical reaction vessels: Precisely adjust the reaction temperature to enhance product quality and output
Food processing production line: Maintain a constant processing temperature to ensure food safety and consistency
Environmental monitoring and energy-saving system: Collect temperature data both inside and outside buildings to optimize HVAC control strategies
Energy management system: Monitor the temperature of key equipment in power plants and substations to prevent overheating faults

Installation and Usage instructions
Mechanical installation
Insert the NTAC-02 into the standard DIN rail;
Fix it with clips to prevent loosening.
Electrical connection
Connect the sensor to the front terminal block of the module;
Connect to a 12-36V DC power supply;
If analog output is required, connect to the AI module of the control system;
If digital communication is required, connect to the corresponding bus network.
Parameter configuration
Configure using the DTM (Device Type Manager) or FDT Frame application;
Set the input type, range, unit, alarm threshold, etc.
Enable HART or fieldbus communication (if applicable).
Debugging and verification
Read the real-time temperature value through the HART controller or the upper computer software.
Check the self-diagnostic information to confirm that there are no abnormal alarms.

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