LED screen, as a new media, sports light-emitting graphic, easier to attract people's attention, informative, updating, have very good effect on advertising and notices. LED screen is more simple than the neon lights, easy to install and use, effect change more, can be updated at any time, it is a good family the visual media. LED screen belongs to high-tech electronic products, the price is higher, concentrated in the government and the unit before use. Technology continues to advance, prices are lower, assembly and maintenance easier.
LED electronic screen as a kind of low power consumption, large real-time dynamic display information of the best tools, it can display dynamic graphic images of computer generated, LED electronic screen from the installation environment can be divided into three kinds, one is indoor LED electronic screen, 2 it is outdoor LED electronic screen, three and a half is outdoor LED electronic screen, each installation environment light is different, so don't be wrong, or not too bright or too dark. The LED display during the installation process need to pay attention to what issues? Summarized as the following:
(1) the size of the border to determine: to determine the size of the border by the finished product specifications, but also subject to unit plate specification, should pay attention to the aluminum alloy frame width when blanking, because is about two root, when cut up and down two horizontal material so to subtract from the finished product specification twice the width of aluminum alloy frame, around two vertical materials should also take care of this.
(2) the corner part to connect with plastic fittings, with self-tapping screws, finally a corner Shared four screws, each side up and down, a good frame connection can put the plate of the cell.
(3) the unit board placement is to be placed according to their own product specifications. 4.8 * 0.48 of the specifications of the need to put into horizontal 15, shaft 3. We should put attention to unit board in accordance with the direction of arrow on unit board.
(4) good special screws to the cell plate, all good magnetic absorption column, close to the two border part of the screw to twist around in the cell plate by a row, this article easy to fixed on the back side.
On both ends of the article (5) install back, back to play holes in advance, one end of the two holes, a four hole on the end, with self tapping screw and frame material, finally let the cell plate magnetic adsorption on the back of the column.
(6) connecting with cable unit plate, one end of the cable plug in unit on the left side of the plate relative to the right of the socket, and then the other end of the article across the back in the plate on the left side of the socket on the right side of the adjacent unit. In turn connect one by one.
(7) cell plate between the connection of the power cord, the red line connect the ACC end of the cell plate, the black GND terminal unit board. Each connection is good, be careful not to confuse.
Install the power supply box (8) and wiring. A 40 a power supply box online check data is can take up to 12 unit board, consulting the boss say it's up to eight units is not assured board. Considering much with fever, according to the eight to meet. Observe the received power supply box, a total of nine terminals, from left to right are: 1, 2, end of the 220 v electric interface, 3 as the ground, 4, 5, and 6 are for 5 v level, 7, 8, 9 to 5 v cathode, understand the oneself good connection is ok.
(9) control card on the number of connection to the cell plate put the number of rows one-to-one correspondence, but must pay attention to the cable (wire) on the side with colored to receive control card on the OE side, the unit on the board as well as corresponding OE side, take the no. RS232 line connected to the control card. Additional control CARDS on the 5 v power supply to meet power supply box, matching is negative, we can't wrong received 1, 2, 220 v on the side, or you will burn control card.

(10) connect the power cord, the power cord to the power supply box of 1, 2, don't be confused, want to use the power supply box all complicity. The other end of the lead after double hole plug to take electricity use.

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