RS485 to TTL UART MCU Serial Port Signal Mutual Conversion Module Optocoupler isolation Lightning Protection Over-current/Anti-reverse Protection Km Transmission Distance

1, All the chips we guarantee is a new original industrial grade chip, ultra-long-distance transmission up to kilometers. 2, With positive and negative 15KV ESD protection 3, The chip has a slew rate driver, effectively reduce EMI, and reduce the signal caused by improper termination of the cable reflection, so that error-free signal transmission rate up to 500Kbps. 4, With 1/4 unit load receiver input impedance, support for multi-machine communication, allowing access to 128 devices on the bus. 5,Industrial chip operating temperature can reach -40 to +85 . 6,The module can be hot-swappable, there will be no other 485 chip hot plug signal appears to bolt dead. 7, Power chip tantalum electrolytic capacitors, and dual capacitors for high and low frequency power supply filter. 8, The use of dual transient suppression diodes, overvoltage protection performance better. 9, The use of 10 current protection resistor, chip design to improve 485 signal integrity. 10, With terminals and welding lead hole, easy to debug and set version of wiring, welding leads can improve signal reliability. 11, RS485, TTL signal all one-way alignment to ensure signal quality and enhance signal integrity. 12, A large area shop copper, to prevent signal interference. 13, With 2.54 hole welding hole hole to facilitate your secondary development. 14, With commonly used M3 screw holes, easy and reliable installation. 15, With 120 termination resistor, short circuit can be terminated R16 termination resistance. 16, With power and RXD, TXD signal indicator. 17, Angled pin leads, easy to test. 18, Support 3.3V signal control. 19, lightning protection. Package Included: 1xRS485 to TTL UART MCU Serial Port Signal Mutual Conversion Module