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ABB TU921S Redundant Termination Unit: Reliable Communication & Power Solution for Safety Devices

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The ABB TU921S Redundant Termination Unit ensures secure and dependable communication and power supply for up to 16 I/O modules in safety-critical applications.

Safe area devices:TU921N

Type Designation:Redundant Termination Unit

Dimensions:11.2 cm x 7.7 cm x 2 cm

Weight:0.08 kg

Communication Protocol:Redundant

Power Supply Compatibility:24 V DC

    The ABB TU921S Redundant Termination Unit is engineered for seamless integration into complex industrial control networks, providing unparalleled reliability and efficiency. Its compact design, featuring a wide operating temperature range from -25°C to +60°C, ensures it can withstand harsh environments typically encountered in manufacturing floors and other industrial settings.

    Equipped with a versatile communication protocol such as Modbus RTU, this unit facilitates easy communication between various components within the system, enhancing overall operational efficiency. It boasts an impressive number of inputs and outputs, allowing for flexible configuration to meet diverse application requirements.

    With its robust power consumption and efficient relay contacts, the TU921S unit ensures minimal energy usage while maintaining high performance standards. The inclusion of two Form-A and one Form-C relay contacts provides redundancy and failsafe mechanisms, safeguarding against system failures due to single-point vulnerabilities.

    The unit’s IP20 enclosure type offers basic protection against dust and limited water ingress, making it suitable for indoor industrial environments. Its dimensions measuring 120x90x100 mm allow for compact installation within control cabinets or on walls, without compromising on functionality.

    Designed with the future in mind, the ABB TU921S Redundant Termination Unit supports continuous innovation and adaptability in industrial automation, ensuring that your system remains at the forefront of technological advancements.

ABB TU921S  Redundant Termination Unit




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      Guangzhou Qiming Automation Technology Co., Ltd. Main categories: tension control, controller, register, converter, communication module, expansion module, power supply unit, power module, control module, serial button, control motherboard, electronic module, system module, logic module, input unit, parameter module, output module, protection module, excitation system card, signal conditioner, processor module, Ethernet module, processor unit, circuit board module, signal acquisition module, DCS system module, BENTLY, human-machine interface touch screen, etc. ...
    Q: Does your company provide samples? Is it free or extra charge?

      A: It depends on the goods you need and the quantity you order.

      Q: What are your payment terms?

      A: 100% T/T before shipment. If the quantity is large, we can negotiate.

      ⇒ Company Services:

      1. Fast delivery (1-7 days for stock products)

      2. Rich experience (more than 10 years of sales experience)

      3. Large inventory (various brands and overseas warehouses)

      4. Quality insurance (1 year warranty for clear product condition)

      ⇒ Shipping

      1. For stock items, we will ship to you within 7 days after receiving payment

      2. We can ship to all parts of the world by DHL, UPS, FEDEX, TNT and EMS.

      3. If you have a shipping agent, please tell us before shipment.

      4. We will pack the parts in a sturdy box, if you have any special needs, please inform us.

      5. We usually ship before 4:30 pm, and we will send you the tracking number after shipping. It takes 7~15 days to receive the package.

      6. Please email us when you receive the package.

      7. When asking about shipping costs, please include all information, otherwise it will slow down the process.

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