KNACRO RS485 to TTL UART MCU Serial Port Signal Mutual Conversion Module Optocoupler Isolation Protection Over-Current Anti-Reverse Protection Km Transmission Distance (5V)

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 10Ω 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 120Ω 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/ 5V signal control.
19, protection.
Package Included:
1xRS485 to TTL UART MCU Serial Port Signal Mutual Conversion Module

• As we all know, 485 flow control is very difficult to write programs, especially in the case of some unknown communication data protocol, you do not know the data per packet of data, you do not know when to switch the receiving and sending directions, then you can choose our 485 automatic flow Control module to solve the problems..
• This product uses the integrated automatic transceiver 485 industrial grade chip, ultra-long-distance transmission up to kilometers. With positive and negative 15KV ESD protection. Optocoupler isolation, Protection ..
• The chip features a slew-rate-limited driver that effectively reduces EMI and reduces signal reflections caused by improperly terminated cables, resulting in error-free signal transfer rates up to 500Kbps..
• With 1/4 unit load receiver input impedance, support for multi-machine communication, allowing access to 128 devices on the bus. Industrial chip operating temperature can reach -40 ℃ to +85 ℃..
• The module can be hot-swappable, there will be no other 485 chip hot plug signals appear to bolt dead. Dual transient suppression diodes provide superior overvoltage protection..