The article discusses about open tension control of pay off reel in the continuous galvanizing line and setting the parameter of converters in the PLC to realize the open tension control in detail.
Noise is the background hiss you hear when you turn your receiver way up, and you can also hear it during quiet passages when playing openreel or cassette tapes.
Furthermore, a magnet is used for sustaining the open state of the guard arm and the sticking portion and its holder can incline when they are pulled to the reel side.