3pcs USB To RS485 Converter USB-485 With TVS Transient Protection Function With Signal Indicator

Specifications 1 This product is designed in accordance with industrial standards It has anti lightning and anti static shock limited slope drive effectively suppresses electromagnetic interference and solves the superposition of effective signal and invalid signal on the transmission circuit The error free data transmission rate is up to 115200bit 2 With TVS transient suppression protection to prevent internal chip damage caused by level incompatibility with receiving and transmitting lights anti high pulse voltage protection Features Support baud rate range 75 115200bps Fully compliant with USB 2 0 standard compatible with USB1 1 Support plug and play and hot plug USB side Extended temperature range from 40C to 85C Communication distance can reach 1 2KM with industrial site anti interference ability Wiring instructions 1 USB interface plug directly into the computer USB interface when using 2 RS485 bus interface module A interface is connected to target device A interface module B interface is connected to target device B interface some device flags D means A D means B 3 Up to 256 related devices can be attached to the bus Applications Parameter setting of various RS485 port devices data transmission communication and LED display communication data etc 1 Monitoring data reading and writing and PTZ control2 Home appliance control3 Various industrial automation instrumentation4 Access control system charging system attendance syst