ABB 1SVR011718R2500 Analog Converter



ABB 1SVR011718R2500 Analog Converter

Basic positioning and core values of the product

In industrial automation systems, various sensors (such as temperature, pressure, and flow sensors) output analog signals with diverse specifications (such as 4-20mA current signals, 0-10V voltage signals, etc.), while the signal input interfaces of controllers (such as PLC, DCS) or the signal receiving interfaces of actuators often only support specific specifications of analog signals, which leads to the problem of "signal islands". The ABB 1SVR011718R2500 analog converter is designed to solve this problem. As an intermediate node for signal conversion, it can accurately convert one specification of analog signal into another specification of analog signal, achieving signal matching between sensors, controllers, and actuators.

This converter belongs to the industrial grade universal signal conversion device, adopting modular design, easy installation, no need for complex programming configuration, and can be quickly integrated into existing automation systems. Its core value lies in ensuring that the data collected on site can be accurately transmitted to the control unit through precise signal conversion, and at the same time, the instructions of the control unit can be accurately issued to the actuators, thereby improving the control accuracy and operational stability of the entire control system, and reducing system errors or failures caused by signal mismatch.

Core functions and technological advantages

1. Bidirectional conversion of multi specification analog signals

This is the core function of the analog converter, supporting bidirectional conversion between mainstream industrial analog signals, with a focus on the conversion scenarios of current signals and voltage signals. For example, the 4-20mA standard current signal output by the sensor can be converted into a 0-10V voltage signal recognizable by the controller, or the 0-5V voltage signal output by the controller can be converted into the 0-20mA current signal required by the actuator. During the conversion process, the linearity of the signal is extremely high, which can preserve the accuracy of the original signal to the maximum extent and avoid data bias caused by conversion distortion. Meanwhile, the signal range it supports can be fine tuned according to actual needs, adapting to signal conversion requirements in different scenarios.

2. High precision conversion to ensure data accuracy

Industrial control has extremely high requirements for signal accuracy. The 1SVR011718R2500 analog converter uses high-precision signal conditioning chips and advanced conversion algorithms to ensure that the conversion accuracy meets industrial grade high standards. Its conversion error is usually controlled within ± 0.1% FS (full range), and some specifications can even reach ± 0.05% FS, far superior to ordinary civilian grade converters. This high-precision characteristic makes the converter outstanding in scenarios that require strict control accuracy, such as precision chemical reaction control, high-precision liquid level monitoring, etc., and can provide reliable data sources for control systems.

3. Strong anti-interference ability, adaptable to complex industrial environments

There are a large number of electromagnetic interference sources in industrial sites, such as electromagnetic radiation generated by equipment such as frequency converters, high-voltage motors, and welding machines, which can easily cause analog signals to be interfered with and distorted. The 1SVR011718R2500 analog converter enhances its anti-interference ability from both hardware and software aspects: the hardware adopts differential input/output design, metal shielding shell, and anti-interference capacitor, effectively isolating external electromagnetic interference; Through signal filtering algorithms in software, high-frequency interference signals are filtered out to ensure the stability and reliability of the converted signal. Even in complex electromagnetic environments such as steel, metallurgy, and automotive manufacturing, this converter can maintain stable conversion performance.

4. Wide range adaptation and flexible configuration

This converter supports a wide range of input/output signal ranges. In addition to mainstream 4-20mA and 0-10V signals, it can also adapt to various common analog signal specifications such as 0-5V, 1-5V, and 0-20mA, meeting the signal matching needs of different brands and models of devices. At the same time, it has a flexible configuration method, which can set the input/output signal type and range through the dip switch on the device or an external programmer. Parameter adjustment can be completed without disassembling the device, greatly improving the convenience of system debugging and maintenance.

5. High reliability and long service life

By using industrial grade high-quality components and mature circuit design solutions, the converter ensures excellent reliability. Its working temperature range is wide and can adapt to industrial environments ranging from -20 ℃ to 60 ℃; Equipped with overvoltage, overcurrent, and short-circuit protection functions, it can automatically cut off the circuit or limit the current when the input signal is abnormal or the output terminal is short circuited, avoiding equipment damage; In addition, its mean time between failures (MTBF) exceeds 100000 hours, which can meet the long-term continuous operation needs of industrial equipment and reduce equipment replacement and maintenance costs.

Key technical parameters

The technical parameters of 1SVR011718R2500 analog converter directly determine its adaptability and working performance. The core parameters are as follows, which are subject to the official manual:

1. Signal conversion type: Supports bidirectional conversion of current voltage (I/V) and voltage current (V/I), covering mainstream industrial analog signal specifications such as 4-20mA ↔  0-10V、4-20mA  ↔  0-5V、0-20mA  ↔  1-5V, etc.

2. Conversion accuracy: ± 0.1% FS (typical value), ± 0.2% FS (maximum value), can maintain high-precision conversion throughout the full range.

3. Linearity: ≤± 0.1% FS, ensuring a strict linear relationship between input and output signals without any non-linear distortion.

4. Response time: ≤ 1ms, able to quickly respond to changes in input signals, suitable for dynamic signal monitoring and control scenarios.

5. Input impedance: ≥ 100k Ω for voltage input and ≤ 50 Ω for current input to avoid load impact on the input signal source.

6. Output characteristics: When outputting current, the load capacity is ≤ 500 Ω, and when outputting voltage, the load capacity is ≥ 5mA. It can directly drive most industrial actuators or controller interfaces.

7. Power supply: Wide range DC power supply, usually supporting 24V DC (18V-36V DC), in line with common power specifications in industrial sites, with reverse connection protection function.

8. Mechanical structure: Adopting standard DIN rail installation method, compact size (usually 18mm or 35mm width), saving installation space of control cabinet, and can be installed side by side with other industrial control components.

9. Environmental adaptability: working temperature -20 ℃~60 ℃, storage temperature -40 ℃~85 ℃; Relative humidity 10%~90% (no condensation); Protection level IP20, suitable for installation inside control cabinets; Anti electromagnetic interference complies with EN 61000-6-2 and EN 61000-6-4 standards.

10. Model identification: 1SVR011718R2500 is the official unique order number. When purchasing, debugging, and maintaining, it is necessary to accurately verify this model to avoid confusion with other specifications of converters.

Applicable scenarios and supporting applications

1. Core applicable scenarios

This analog converter, with its multi specification signal conversion capability and high-precision characteristics, is widely used in various industrial automation systems. It is required to participate in any scenario involving incompatible analog signals, including:

1. In the field of process control, it is used for signal conversion of parameters such as temperature, pressure, flow rate, and liquid level in industries such as chemical, pharmaceutical, petroleum, and water treatment. For example, converting the 4-20mA current signal output by the pressure sensor into a 0-10V voltage signal recognizable by the PLC enables precise acquisition and control of production process parameters.

2. Intelligent manufacturing and production line control: Used for signal matching between sensors and PLCs, HMIs in production lines such as automotive manufacturing, electronic component assembly, and food packaging. Convert the 0-5V voltage signal of the displacement sensor into the 4-20mA current signal required by the actuator to control the precise movement of the robotic arm.

3. Energy monitoring and management system: Used for signal conversion of electrical parameters (such as current, voltage, power) in industries such as power and new energy. For example, converting the 0-10V voltage signal output by the energy meter into a 4-20mA current signal compatible with the DCS system enables real-time monitoring and statistics of energy consumption.

4. Building Automation and Intelligent Buildings: Used for signal adaptation in air conditioning systems, ventilation systems, and lighting systems, such as converting 1-5V voltage signals output by temperature controllers into 0-20mA current signals required by fan actuators to achieve precise adjustment of indoor environments.

5. Upgrading and retrofitting of old equipment: When there is a mix of old and new equipment in the industrial field, there is often a signal incompatibility problem between the new controller and the old sensor/actuator. 1SVR011718R2500 can be used as a signal adapter to achieve compatibility and docking between the old and new systems without replacing the entire set of equipment, reducing the cost of upgrading and retrofitting.

2. Typical supporting relationships

As a signal middleware in the system, this analog converter is mainly used in conjunction with the following devices:

-Matching with sensors: Connect analog sensors such as temperature, pressure, flow rate, liquid level, etc., and convert the signals output by the sensors into specifications that can be received by the controller.

-Matching with controller: Suitable for ABB AC500 series PLC, other brands of PLC, DCS control system and data acquisition module (DAQ), providing input signals that meet interface requirements.

-Matching with actuators: Connect regulating valves, frequency converters, fans, water pumps, and other actuators to convert the signals output by the controller into recognizable driving signals for the actuators.

-Matching with display instruments: Connect industrial digital display instruments and HMI human-machine interfaces, transmit converted signals to display devices, and achieve real-time visualization display of parameters.