NTST01 ABB INDUSTRIAL-GRADE SIGNAL CONVERSION AND INTERFACE MODULE

Product parameters

Signal conversion type: Analog signal isolation conversion (4-20mA DC ↔ 0-10V DC)

Channel configuration: 2 independent input channels, 2 independent output channels, and full isolation between channels is supported

Conversion accuracy: ± 0.1%FS (full-scale accuracy), ensuring the accuracy of signal transmission

Linear error: ≤ 0.05%FS, reducing signal conversion distortion

Working voltage: 24V DC (Wide voltage fluctuation range ±15%, suitable for complex industrial power supply environments)

Operating temperature: -40℃ to + 75℃ (Wide temperature range operation, resistant to extreme industrial site temperatures)

Isolation grade: Isolation voltage between input/output/power supply ≥3kV AC (for 1 minute), in compliance with IEC 61010-1 standard

Installation method: DIN rail mounting, compatible with standard 35mm DIN rails, supports dense deployment

Function

Signal adaptation and conversion: Achieve bidirectional precise conversion between 4-20mA current signals and 0-10V voltage signals, solve the problem of signal incompatibility among different devices, and meet the interconnection requirements of sensors, actuators and control systems. ​

Enhanced isolation protection: By adopting magnetic isolation technology, complete electrical isolation between input, output and power supply is achieved, effectively suppressing common-mode interference and surge voltage in industrial sites, and protecting the back-end control system from damage. ​

Status visualization: Equipped with LED indicator lights for power and channel operation status, it provides intuitive feedback on the working status of the module. When abnormal signals or power failures occur, the indicator lights quickly switch to prompt, simplifying fault detection. ​

System compatibility and expansion: Supports seamless integration with mainstream control systems such as ABB System 800xA and Freelance DCS, and is compatible with industrial communication protocols such as Modbus and HART. It can be integrated into the existing architecture without additional adaptation modules. ​

Industrial-grade durability: It adopts UL94 V-0 flame-retardant housing, and the components have been strictly selected. It has the ability to resist vibration (10-500Hz, 15g acceleration) and shock (50g acceleration, 11ms duration), and is suitable for long-term operation in harsh scenarios such as chemical and power industries. ​

Application scenarios

It is widely applied in industrial signal adaptation and system interconnection scenarios It is applicable to the standardization of sensor signals in petrochemical production lines (such as converting pressure sensors from 4-20mA to 0-10V and connecting them to DCS), signal matching between actuators and PLCS in power systems (such as converting voltage signals of valve positioners to current control), and integration of heterogeneous signals in metallurgical equipment (such as signal interconnection between temperature transmitters and monitoring systems), and other fields. It can be integrated into the automatic control system as a signal bridge to enhance system compatibility and signal transmission reliability.

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