User Manual

UHF Integrated RFID Reader Manual

Guangdong Sygole Intelligent Technology Co.,Ltd

magnetic field.

2、The equipment is well grounded. Good grounding can ensure the clean

power supply of the equipment, and on the other hand,it can prevent the

excessive impact voltage from being damaged when the equipment fails, and

damage the reader.

3、Cable shielding. For sites with complex electromagnetic environments,

shielded communication cables must be used to avoid interference signals being

coupled to the cables.

4、Signal and line filtering. Install the filter in the power inlet or cabinet

inlet direction to avoid interference from the power source into the device.

3.5.2 Power supply and wiring requirements

In an industrial environment, a major source of interference in equipment circuits is

caused by unreasonable ground lines.Therefore, proper grounding is an important

method to suppress noise and prevent interference, and is the key to ensure the normal

operation and read/write success rate of the reader.

Under normal circumstances, the reader device power supply voltage of 24V, which is

weak current. When wiring, connect the power supply line of the reader and the 485

power supply line from the weak current slot, and the cable slot must be connected to

the standard earth（“0”Level）.

3.5.3 Common electromagnetic interference causes and solutions

The following provides a reference to some common electromagnetic

interference solutions：

 The switching power supply interferes from the current conduction to the

device. It can be solved by replacing the independent power supply or adding

a filter at the power supply.

 Cable couple Electromagnetic interference in the space. Insufficient cable

shielding or the reader is not well grounded, which can be solved by

improving the shielding performance of the cable and making the reader well

grounded.

 Antenna interference between readers. It can be solved by increasing the

safety spacing of adjacent readers and reducing the transmit power of the

reader.

 Control cabinet or chassis interference. The electrical planning of the control

cabinet or the casing is unreasonable, the grounding is missing or bad, and

the“0”potential imbalance causes interference, which can be solved by

rationally designing the control cabinet or the casing.

Note: If the grounding of the slot and shield is not guaranteed to

be the standard "0" potential, you need to provide independent

power for the RFID or add a filter to the power supply.