This USB programming cable uses the USB interface to establish a serial connection and convert peripheral port signals. Programming is facilitated through the USB interface connector and serial peripheral signal converter under computer control. It simulates a traditional serial (COM) port, allowing the use of standard programming, communication, and monitoring software. The cable derives power from the USB port or the programming port of the LOGO controller. This USB-LOGO cable features photoelectric isolation, making it suitable for the LOGO Controller, especially in industrial environments with significant interference. Circuit protection measures ensure safe system operation. The device features a compact design with a high-speed communication micro-integrated chip and a built-in 6-pin square port. It provides reliable portability and stable performance. Compatibility: Suitable for Siemens LOGO Series PLC programming. Length: 3 meters. Please verify the interface before placing your order. PC-CABLE: PC side is 9-pin female plug RS232 port, PLC Side is 6-pin square shape. USB-CABLE: USB port connects to PC, PLC Side is 6-pin square shape. Color: Black. Material: PVC + Copper Wire. Package Contents: 1 x PLC programming cable. Only the listed package content is included; other products are not included. Note: Differences in light and display settings may cause slight variations in color between the image and the actual item. Measurement allowance is +/- 1-3 cm.