TRICONEX PLM 3900N  PRIORITY LOGIC MODULE

Part number:  PLM 3900N

Manufacturer:TRICONEX

Product Description:PRIORITY LOGIC MODULE

The PLM 3900N priority control module is an integral part of the safety level instrumentation and control platform for nuclear power plants. Its main function is to drive pumps, valves and other equipment in the dedicated safety facilities and associated support systems after prioritising the automatic or manual commands from the different safety levels. 

The actuators (e.g. valves, main pump motors, etc.) at the actuating end are required to carry out the corresponding functions in accordance with the drive signals from the system. The drive signals for the actuators can be given by several systems. In order to prevent conflicts between signals leading to abnormal actuations, the priority control module needs to judge the signals and make sure that the actuators act according to the correct signals.

TRICONEX PLM 3900N is a product that is used in Distributed Control Systems (DCS) in various modern industries such as power, oil, mining, ports, heating, gas, water supply, sewage treatment, metallurgy, papermaking, textiles, chemicals, and water conservancy. 

PLM 3900N is a redundant fault-tolerant control system. It is designed to ensure that if one device fails, another device takes over and maintains the system's operation, reducing the chances of system failure. It is essential in industries where system failure can lead to catastrophic consequences such as explosions, environmental disasters, or loss of life.

When installing PLM 3900N, it's important to check several things to ensure the system works effectively. Some of the things to check include:

The position of the key phase detection probe to ensure that the probe slot is not missing.

The number of teeth on the gear disk on which the speed probe is installed.

The location of all brackets and outgoing lines to ensure that they do not obstruct the bearing box cover when it is closed.

The insulation of all joints to prevent electrical failures.

It's important to note that different industries may have unique installation requirements, and it's essential to follow the manufacturer's installation manual and industry standards.

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