PFEA111-20 3BSE028140R0020 Tension Controller

PFEA111-20 3BSE028140R0020 Tension Controller

PFEA111-20 3BSE028140R0020 control system connected to the various types of signal transmission lines, in addition to the transmission of all kinds of effective information, there will always be external interference signal intrusion. This interference mainly has two ways: one is through the transmitter power supply or common signal instrumentation power supply string into the grid interference, which is often ignored; the second is the signal line by the space electromagnetic radiation induction interference, that is, the signal line on the external induction interference, which is very serious. Interference introduced by the signal will cause I / O signal work abnormally and measurement accuracy is greatly reduced, and in serious cases will cause component damage.

Good grounding is an important condition to ensure that the PFEA111-20 3BSE028140R0020 works reliably, and can avoid the harm of occasional voltage shocks. The purpose of grounding is usually twofold, one for safety and the other to suppress interference. A perfect grounding system is one of the important measures for the PFEA111-20 3BSE028140R0020 control system to resist electromagnetic interference.The ground of the PFEA111-20 3BSE028140R0020 control system includes the system ground, the shield ground, the AC ground, and the protection ground. Grounding system confusion on the PFEA111-20 3BSE028140R0020 system interference is mainly the uneven distribution of the potential of each grounding point, there is a ground potential difference between the different grounding points, resulting in ground loop current, affecting the normal operation of the system. For example, the cable shield must be grounded at one point, if the cable shield ends A, B are grounded, there is a ground potential difference, there is a current flowing through the shield, when anomalies such as lightning strikes, the ground current will be greater.

In addition, the shielding layer, grounding wire and the earth may constitute a closed loop, under the action of the changing magnetic field, the shielding layer and there will be induced currents, through the shielding layer and the coupling between the core wire, interfering with the signal loop. If the system ground and other ground processing confusion, the resulting ground loop current may produce unequal potential distribution on the ground line, affecting the normal operation of logic circuits and analog circuits within the PFEA111-20 3BSE028140R0020.PFEA111-20 3BSE028140R0020 work with a lower logic voltage interference tolerance, the distribution of logic ground potential interference It is easy to affect the logic operation and data storage of the PFEA111-20 3BSE028140R0020, resulting in data confusion, program runaway or crash. Analog ground potential distribution will lead to a decline in measurement accuracy, causing serious distortion of the signal measurement and control and false action.