User Manual

UHF Integrated RFID Reader Manual

Guangdong Sygole Intelligent Technology Co.,Ltd

Installing the reader in the metal frame - avoiding the conductor loop

Fig 3.4.3 Round metal frame installation

3.5Electromagnetic compatibility

3.5.1 Electromagnetic compatibility guidelines

Electromagnetic compatibility refers to the ability of an electronic device to

function properly in an electromagnetic environment.Electromagnetic

interference is an electromagnetic phenomenon that is detrimental to the

performance of electronic equipment.Electromagnetic interference not only

affects the normal operation of electronic equipment, but even causes damage to

certain components in electronic equipment. With the increase in automation, the

arrangement of electrical and electronic equipment becomes more complicated,

and the risk of interaction between devices is increased.Electromagnetic

interference mainly consists of three parts: interference source, coupling path

and interference receiver. When applying the implementation plan in the field, it

is necessary to identify the most frequent sources of interference and the possible

coupling paths that exist, so as to take corresponding measures to reduce the risk

of electromagnetic interference and ensure the normal operation of the

equipment.

In order to ensure electromagnetic compatibility enough, the following rules

must be observed:

1、The device is shielded by the outer casing. The reader-related equipment

is installed in the cabinet and grounded through the rack to shield the external

If the reader is in a closed metal frame, the metal frame will reflect

and disturb the electromagnetic wave signal. At this time, the antenna

field and the transmitting field over-lap each other, and the reader

cannot receive the valid signal normally, resulting in abnormal

reading. The closer the metal frame is to the reader, the greater the

interference, and the installation should be avoided in practical

applications.