INSTALLATION

UM344-2

4.4.3 Direct Mounting to Process

The Transmitter can be mounted directly to the point of measurement and supported by the thermowell, extension fittings, and probe assembly.

IMPORTANT

It is recommended that high temperature anti-seize compound be applied to the threads of thermowells, extension nipples, union connectors, and sensor assemblies.

Refer to Figures 4-7 and 4-8 and the following for mounting guidance:

1.Unscrew the thermowell from the Sensor Assembly. Refer to the thermowell manufacturer's installation literature and install the thermowell at the measurement point.

2.Screw onto the thermowell the extension nipple and union (if any).

3.If required, install insulation around the surface area of the measurement point to limit the effects of heat radiating from the chamber, vessel, or pipe containing the process material.

4.Insert the probe assembly through the extension nipple (if present) and seat into the thermowell. Screw the probe nipple into the union (if present) or into the thermowell.

5.If it is desired to have terminal compartment access from the same direction as the Sensor Assembly, then screw an elbow-plus close nipple -plus coupling onto the probe nipple. See Figure 4-7.

6.Select one of the two conduit inlets and route the sensor leads extending from the probe into the terminal compartment of the transmitter. Do not connect the wires.

7.Screw the transmitter onto the threads of the probe's nipple or elbow fitting (if used).

8.Refer to Section 4.5 to connect the sensor wires to the appropriate terminals.

4-22

September 1995

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Siemens UM344-2 user manual Direct Mounting to Process
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UM344-2 specifications

The Siemens UM344-2 is a cutting-edge industrial controller designed to meet the demands of modern automation and control systems. This powerful device is specifically developed for use in various applications, including manufacturing, process control, and machinery integration. The UM344-2 stands out for its versatility and robust performance in harsh industrial environments.

One of the main features of the Siemens UM344-2 is its high processing speed, which allows for real-time data processing and decision-making. The controller utilizes advanced microprocessor technology, ensuring quick response times and efficient operation. Its architecture supports multitasking, enabling it to manage multiple processes simultaneously without compromising performance.

The UM344-2 features a modular design, which provides flexibility in configuration and scalability. Users can easily add or remove modules to tailor the system to specific application requirements. This adaptability is beneficial for businesses that need to scale their operations or adjust to changing production demands. The controller is compatible with a variety of I/O modules, allowing for seamless integration with other equipment and systems.

In terms of connectivity, the Siemens UM344-2 supports various communication protocols, including Profibus, Profinet, and Ethernet. This versatility ensures smooth data exchange between the controller and other devices in the automation ecosystem, facilitating comprehensive monitoring and control. The inclusion of these communication standards enhances interoperability and allows for the integration of legacy systems with newer technology.

The Siemens UM344-2 is equipped with advanced diagnostic tools, which enable users to monitor system performance and detect potential issues in real-time. This feature reduces downtime and maintenance costs by allowing for proactive management of the system. The controller also supports remote access capabilities, enabling technicians to troubleshoot and configure systems from off-site locations.

Safety is a critical consideration in industrial environments, and the UM344-2 is designed with this in mind. It incorporates safety-certified features, ensuring compliance with international safety standards. Users can implement safety functions directly within the controller, streamlining system design and reducing the need for external safety components.

Overall, the Siemens UM344-2 exemplifies the fusion of technology and practical application, making it an essential component for businesses looking to enhance their automation processes. With its high performance, flexibility, and focus on safety, the UM344-2 is a reliable choice for industries aiming for efficiency and innovation in their operations.
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