The proper cable increases your machine availability

The selection of the right cable or line for transmitting signals on your machine has essential influence on the device availability. Usually, when determining the instruments of machines and plants, a profound level of attention is directed at choosing the right sensors.
For example, an individual determines which measuring principles are employed for level measurement, which power supply ought to be provided to the device and which kind of signal transmission should be used. Usually, the cables shown in the wiring schemes as simple connection lines between sensor and SPS are problematic. This poses an interesting paradox in the automation technology ? a sensor is tested for highest demands to make sure it meets the requirements of the application, whereas a cable is merely seen as a component which supposedly guarantees a trusted connection under all circumstances.
However, cables and connectors pose one of the frequent sources of error. This is often where unforeseen potential for increasing machine availability are available. During my span of research I learned that in a high two-digit percentage of all cases, renowned cable manufacturers traced back sensor failure on machines to mechanical failure of the cable because of faulty installation, handling and especially because of the choice of an unsuited cable for the specific application. Principally, there is absolutely no patent fix for determining which cable and which plug connector is best suitable for the application.
For instance, flexibility demands for cables found in level probes for level measurement in deep wells aren?t high, whereas the demands on tensile strength along with high longitudinal and transverse water tightness are. In level probes, plug connectors are barely ever applied due to the insufficient permanent leak tightness. For machine tools which are set up in factory buildings, the simplest cable materials with a simple M12 connector are employed. In this case, however, the use of a suitable cable that permanently withstands ambient conditions such as for example temperature fluctuations and that features resistance against oils and fats can significantly increase the option of your machine.
The application of cable assemblies with factory pre-assembled connectors also prevents failure risk through improper on-site assembly. Therefore it is a fallacy that cables will be the same and that any given cable with the sufficient number of wires is suitable for an application.
In เกจวัดแรงดันน้ำดิจิตอล of my previous articles, I drew up a short overview of the most relevant criteria for choosing cables and connectors. Invest some time in specifying a suitable cable for your application. Think about the demands your plug link with sensors and PLC must meet. An individually matched wiring concept supplies a measurable increase of the machine availability and higher safety during operation.
In the event you need assistance or consulting for specifying the right pressure sensor and associated cable / connector, feel absolve to contact us.

Leave a Comment