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Wiegand Signal Extender

The extender does not distinguish between receiving and sending, and it can be used if the wiring is correct

Power supply is required at both ends of the transceiver, power supply 9~24V/30mA

The signal delay is about 50-150ms

  • Brand:

    S4A
  • Item NO.:

    WG-Extender
  • Specifications
  • Wiring Diagram

Wiegand Signal Extender

Model No.: WG-Extender


Wiegand Signal Repeater Amplifier Wg26/34 longest 1200m For RFID Door Access Control

Brief introduction

On the market sales of most of the access controller is mostly used in the Wiegand (Wiegand (WG) interface and a card reader connected, WG transmission to the nominal distance is 100 meters actually 20-60 meters in between, so we in the process of the implementation of the access control system often meet access controller and card reader device in long distance, this can cause the controller to receive the card reader information.

In order to solve this problem, we develop a Wiegand signal amplifier, the card WG output is converted to 485 signal, take advantage of 485 transmission, using twisted pair transmission line to the transmission distance of the WG signal greatly increased to 1200 meters maximum theoretical level. In addition to solve the problem of reliable signal transmission, but also has a very obvious cost advantage: converter. The price is reasonable. 2. Easy to install; 3. Transmission line without special requirements, ordinary super category 5 cable can easily reach 300 meters transmission distance with our scheme.

Matching WG to 485 converter with high anti interference MCU processing chip, built-in watchdog circuit, automatic detection equipment to do the state of the work, the work of automatic reset when the exception reset, to ensure that the converter will never crash. Converter appearance size: 70 x 41 x 23mm, the use of industrial connectors, to ensure convenient and reliable wiring, can be a long-term 7 x 24 stable work. Has been in the actual user site running 24 x 2 up to 7 years.

Amplifier can automatically identify the vast majority of the WG format, from WG26 to WG80 can be, including a variety of original WG card reader. Other applications that have special requirements, please provide information to assess the cost of custom, the cost of calculating the degree of ease of charge.

The installation and use of WG signal amplifier

The amplifier is composed of 2 WG converters, 2 WG converters are connected to the WG output / input of the reader and the controller, respectively. The converter's D0/D1 is connected with the reader / controller's D0/D1 one one. Power supply can be shared with reader / controller power supply. The converters are used to connect B-B A-A,


Power supply

WG converter using 9-15V power supply, the access controller can be directly used WG input port 12V power supply, static working current of about 20mA, also can be connected to the external 9-12v power supply adapter. Card reader terminal can share power supply with the card reader.

WG converter connection:

WG converter does not need to separate the transmitter and receiver to connect, any one can be based on the signal source for automatic identification and conversion, as long as the wiring can work correctly, greatly reducing the complexity of the construction. Transmission line in the 300 meters around the proposed general Super 5 types of network cable, one of the docking 485A/B, the other for the use of the visual reality in parallel as a power line. 300 meters above please refer to 485 information according to the actual situation in the field of wire selection and wiring planning.


Wiegand Signal Extender

>The extender does not distinguish between receiving and sending, and it can be used if the wiring is correct

>Power supply is required at both ends of the transceiver, power supply 9~24V/30mA

>The sending end can share the power supply with the card reader

>The receiving end can take power from the access control board

>Automatically adapt to WG26~WG80 format, including: WG26/34/35/36/37/40/42/50/56/66/80 etc.

>The signal delay is about 50-150ms



Wiegand Signal Extender


>Please pay attention to the following points when installing and using the extender

>The card reader must share the ground with the sending converter, that is, the GND of the two must be connected together

>The access control board must share the ground with the receiving converter, that is, the GND of the two must be connected together

>Category 5/6 network cables can be used as signal transmission lines

>It is best to have a separate power supply for the card reader to be more than 100 meters away from the access control board

>If power supply for the access control board is required, it is best to connect the rest of the network cable in parallel for power supply, and only keep one pair of wires for transmitting 485 signals

>If the signal cannot be received, please open the cover of the converter and observe the change of the indicator light

>Working state: the red light is on

>Sending end: the blue light is on when swiping the card; receiving end: the green light is on when receiving the signal

>In general, the GND of terminal 485 of the converter can be left unconnected, and only connected to the two wires AB

>The shielded layer transmission line can be connected to the shielded layer

>The extender needs to be used in pairs to work normally, and the user needs to decode the card number by himself when using it alone

>The extender supports various Wiegand signal output devices such as PIN pad card readers, fingerprint machines, and face recognition machines


Wiegand Signal Extender

Wiegand Signal Extender

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