1、MULTIPLE USAGES: The host (computer, industrial computer, PLC, touch screen, etc.) can send commands through the RS485 bus to control the display content of the display. 2、AUTOMATIC IDENTIFICATION: Support ASCII text and RTU dual protocol automatic recognition, no need for user settings, easy to operate. 3、EASY INSTALLATION: The device panel only needs to open square hole to be embedded, no screws are required, and the installation is convenient. 4、HIGH EFFICIENCY: Switching power supply circuit, wide input voltage range and high conversion efficiency, can work continuously for a long time. 5、CIRCUIT PROTECTION: Industrial grade RS485 chip, with surge, static prevent, over voltage and over current protection, power input reverse connection protection. 6、APPLICABLE FIELDS: Often used in production lines, industrial control equipment, automotive instruments, storage electronic tags and other fields. 1 x Digital Tube Display1 x Cable Item Type: Digital Tube DisplayProduct Model: LED-054SDisplay Digits: 4 digitsDigital Tube Size: 0.56inShell Size: Width: Approx. 60mm / 2.4inHeight: Approx. 29mm / 1.1inDepth: Approx. 22mm / 0.9inHole Size: Width: Approx. 58mm / 2.3inHeight: Approx. 27mm / 1.1inPower Supply Voltage: DC 5-36VInterface Terminal Number: XH 2.54-4PPin Definition: + refers to the power positive pole, - refers to the power negative poleA/T: RS485 Bus A/TTL TXDB/R: RS485 B/TTL RXDSerial Port Parameters: Baud Rate: 1200bps, 2400bps, 4800bps, 9600bps (factory default), 19200bps, 38400bps, 57600bps.115200bpsStart Digit: 1 digitStop Digit: 1 digit (factory default), 2 digit, 1.5 digitData Digit: 8Parity: No parity (factory default), odd parity, even parityCommunication Protocol: Supports automatic identification of ASCII text and RTU dual protocol, no user setting is requiredProduct Function: 1. Communication Method: RS485, supports RTU protocol and simple ASCII protocol, and the protocol is automatically recognized. 2. It can display various ASCII characters such as integer, minus sign, decimal point, ABCDEFPL, etc., which is more comprehensive. 3. Support electronic label function, the initial display content can be set after power-on. Widely used in storage location number labels. For example, display A001, B002, C003, etc. 4. Support stroke brightness adjustment, with 7 levels of brightness. 5. Support to modify the baud rate (1200bps-115200bps), covering several commonly used baud rates. 6. Support to modify the stop bit and check bit. 7. You can choose the initial display content after power on, display 0, display 485 address, display any content specified by the user, etc. 8. A 485 bus can be connected to 32 digital tubes (without relay), and 254 can be connected after adding a relay. 9. Provide supporting PC software to facilitate testing and modification of parameters.