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Siemens UM344-2 user manual Cables, Access to Transmitter Terminal Compartment

Models: UM344-2

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INSTALLATION

UM344-2

ŸThermocouple wire must be handled with great care when being installed in conduit. Decalibration of the wire can result by cold-working the metal conductor, an effect that can occur when the wire is drawn through a conduit or damaged by rough handling or vibration.

4.4.5.2 Cables

ŸMark or tag each signal cable conductor as either SIGNAL (+) or SIGNAL (-) to ensure correct connection at the Transmitter.

ŸMark or tag each sensor wire to be connected to a remote mounted transmitter to indicate its specific transmitter terminal number (1, 2, 3) connection

EXAMPLE: 3-wire RTD tag descriptors: RTD (+) #1, RTDI #2, RTD (-) #3

Thermocouple tag descriptor: TC (+) #1, TC (-) #3

ŸUse pulling grips and cable lubricants for easier cable pulling. Pull cable through conduit into Transmitter terminal compartment.

ŸDo not exceed the maximum permitted pulling tension on the cables. Maximum tension is normally specified as 40% of the cable's breaking strength.

ŸDo not exceed the maximum conduit fill specified by the National Electric Code.

4.4.5.3 Access to Transmitter Terminal Compartment

Two terminal strips for signal (loop), MXC, test (milliammeter), and sensor connections are located inside the shorter enclosure cap; see Figure 1-1. To access the terminal strips, simply unscrew the enclosure cap protecting the terminal compartment.

This completes the mechanical installation.

4-30

September 1995

Page 63 Page 65
Page 64
Image 64
Siemens UM344-2 user manual Cables, Access to Transmitter Terminal Compartment
Page 63 Page 65

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.