Product Introduction

characteristic

Input signal type: Supports 4-20mA analog signal input, compatible with HART protocol signals, and can simultaneously transmit analog data and HART digital signals.

Input impedance: For 4-20mA signals, the typical input impedance value is 250 Ω to ensure matching with the standard transmitter output signal.

Overvoltage protection: With overvoltage protection function, it can withstand a certain degree of overvoltage, such as continuous overvoltage up to 42.5VDC, to protect the module from damage caused by voltage surges.

performance parameter

Number of channels: Usually there are 8 input channels, which can be connected to 8 analog input devices at the same time, such as pressure transmitters, temperature transmitters, etc.

Resolution: 12 bit resolution, capable of accurately measuring and converting analog input signals, converting analog signals into digital signals, meeting the accuracy requirements of most industrial applications.

Accuracy: Within the entire working temperature range, the measurement accuracy can reach ± 0.25% FSR (full range), which can accurately collect analog signals.

HART communication capability: Supports HART protocol communication, complies with HART communication specifications, and can perform bidirectional digital communication with field devices with HART interfaces to achieve functions such as parameter setting and diagnosis of field devices. The communication speed can reach commonly used speeds such as the standard 1200bps.

Functional Features

Fault safety design: Adopting a fault safety design and following relevant safety standards. When the module detects its own fault or abnormal input signal, it can automatically switch to a safe state to ensure the safety and reliability of the system.

Self diagnostic function: With powerful self diagnostic capabilities, it can monitor the working status of modules in real time, including channel faults, power faults, communication faults, etc. Once a fault is detected, a fault alarm signal can be sent out through the indicator light or communication interface, which facilitates maintenance personnel to quickly locate and troubleshoot the fault.

Signal conditioning and isolation: Conditioning the input analog signal, including filtering, amplification, and other processing, to improve signal quality. At the same time, achieve electrical isolation between the input signal and other parts of the system, enhance the system's anti-interference ability, and prevent external interference signals from affecting the system.

Configuration flexibility: It can be flexibly configured through dedicated configuration software, and users can set channel parameters, HART communication parameters, etc. according to actual application needs to adapt to different field devices and application scenarios.

physical characteristics

Dimensions: The length, width, and height dimensions are approximately 16.3cm x 3.8cm x 5.8cm, and the compact design makes it easy to install in standard control cabinets or racks.

Weight: Approximately 0.4kg, lightweight and easy to install and transport.

application area

Petrochemical industry: In the process of petroleum refining and chemical production, it is used to connect various analog transmitters such as pressure, temperature, flow rate, etc., collect process parameters, and communicate with intelligent transmitters through a HART interface to achieve precise monitoring and control of the production process.

In the power industry, it is used to collect electrical parameters such as voltage, current, power and other analog signals in power plants, substations and other places. At the same time, smart meters, transformers and other equipment can be managed and diagnosed through the HART interface.

Pharmaceutical industry: used to monitor and control parameters such as reactor temperature, pressure, and liquid level in the pharmaceutical production process, ensuring the stability and quality of the drug production process.

Water treatment: In water treatment plants, sewage treatment plants, etc., it is used to collect analog signals such as water level and water quality parameters to achieve automated control of the water treatment process.

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