Product Introduction

The main function is to serve as a board outside the controller, responsible for collecting signals such as the input voltage and current of the inverter and the output voltage and current, and transmitting these signals to the processor for processing.

Functional details
LD instruction processor: ensure efficient program execution and real-time response.

Soft PLC: provides flexible and powerful programming capabilities to adapt to various control needs.

Modular design
Modular installation method: convenient for system expansion and maintenance.

Control room installation: suitable for installation needs in various industrial environments.

Signal collection and transmission: The A5E36968571 board collects signals such as the input voltage and current of the inverter and the output voltage and current, and transmits these signals to the system interface card through a 37-core cable.

Signal conditioning: The circuit on the system interface card is responsible for range conversion, filtering and A/D conversion of these signals, and the converted digital signals are further transmitted to the processor.

Function of the signal interface board: A5E36968571 is a key component of the Siemens Robincon I/O part, responsible for processing signal transmission between the inverter and the user. It ensures the effective connection and management of control power supply, digital signal, analog signal, etc.

System composition: This board is part of Siemens Robincon NXGII control system, mainly used to realize the low-voltage control function of user input and output part.

High-performance design
Power unit series scheme: Siemens Robincon series high-voltage variable frequency speed regulation system adopts high-high scheme of power unit series connection, and realizes a current waveform close to sine wave through multi-winding high-voltage phase-shifting transformer, which effectively reduces the harmonic content.

High efficiency and high power factor: In actual tests, when the system is running at 50Hz, the grid-side current harmonics are only 2%, the motor-side output voltage harmonics are 1.5%, the complete set efficiency is as high as 97%, and the power factor is 0.96, which fully meets the requirements of IEEE519-1992 for voltage and current harmonic content.

Advanced control technology
Dedicated PWM control method: By adopting the self-developed dedicated PWM control method, the system can further reduce the output voltage harmonics by 1-2% compared with other similar methods, thereby improving the power quality and the overall performance of the system.

Installation and Maintenance
Installation method
The A5E36968571 board adopts modular installation, which is suitable for control room installation and easy maintenance and replacement.

Maintenance precautions
Regularly check whether the cable connection is firm to ensure stable signal transmission.
Check whether the circuit on the system interface card is working properly and replace damaged components in time.

Application scenario
The A5E36968571 board is widely used in various industries such as electricity, oil, pipelines, chemicals, water treatment, steel and cement, especially in scenarios where precise control of motor speed and voltage is required.

Application field
Power transmission and distribution system: used to control equipment such as motors, pumps and fans to achieve energy saving and stable operation.
Power generation field: improve power generation efficiency and energy utilization.
Petroleum and natural gas industry: ensure the stability and efficiency of oil and gas transportation.
Chemical and pharmaceutical industry: control equipment such as reactors and agitators to achieve temperature and flow control.
Metallurgy and mining industry: control equipment such as blast furnaces and converters to achieve temperature control and energy consumption management.
Water treatment and environmental protection industry: control dust collectors, desulfurization and denitrification equipment, etc. to achieve emission control and energy consumption management.
Papermaking industry: improve production efficiency and product quality.

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