UST21 Schneider Relay Module
UST21 is a high-performance controller launched by SCHLEICHER brand, widely used in industrial automation control systems, especially suitable for scenarios that require high-precision measurement and positioning, such as precision positioning control on automated production lines, position control and motion control of robot systems, and elevator door control systems. This product adopts a 24V DC input voltage, with a maximum load current of 4A. It supports RS485 communication interface and can operate stably within a working temperature range of -20 ° C to+60 ° C. The protection level is IP20. Its compact design and high reliability make it an ideal choice in the field of industrial automation. Some versions also support eight channel analog input (thermocouple/voltage/current), which can be set by software for sensor types and module parameters. It supports multiple standard thermocouples and has a wide voltage range input (18-36V DC), low power consumption, RS-485 network connection (supporting Modbus RTU/ASCII protocol), built-in watchdog, 3000V electrical isolation and other functions, ensuring stable and reliable operation. At the same time, it is easy to install and supports standard rail card or screw fixation.
Technical specifcations for UST21
Input voltage: UST21 supports a wide voltage range input, typically 18-36V DC, which allows it to adapt to different power environments.
Load current: The maximum load current of this product is 4A, which can meet the needs of most industrial automation control systems.
Communication interface: UST21 is equipped with RS-485 network connection interface, supporting Modbus RTU/ASCII protocol for easy communication and data exchange with other devices.
Number of channels: As a channel thermocouple input slave, UST21 has an eight channel analog input function (thermocouple/voltage/current), which can be set by software for sensor types and module parameters, and supports multiple standard thermocouples.
Electrical isolation: UST21 achieves 3000V electrical isolation between external power supply, RS485 communication, and analog input, improving the safety and stability of the system.
Working temperature range: UST21 can operate stably within a wide temperature range of -20 ° C to+60 ° C, suitable for various harsh industrial environments.
Installation method: This product is easy to install and supports standard rail clamping or screw fixation, making it convenient for deployment and maintenance on industrial sites.
Protection level: The protection level of UST21 is IP20. Although it is not directly waterproof and dustproof, it can provide sufficient protection in appropriate installation environments.
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