SPECIFICATIONS

Product Features:
1. Supports wide voltage supply from 3.3V to 5V, compatible with TTL and RS485 level bidirectional conversion.
2. It has automatic flow control function and does not require manual switching of RS485 transmission and reception directions.
3. Integrate 15KV ESD and 600W TVS protection to adapt to harsh industrial environments.
4. The maximum communication speed reaches 500Kbps, and a single bus can connect 128 devices.
5. Built in power supply and transmission/reception indicator lights, strong driving capability, with a maximum transmission distance of 1200 meters.
Product Introduction
TTL485 module, capable of converting RS485 and TTL levels, with automatic flow control function, can achieve
The automatic switching of RS485 transmission and reception direction allows users to use the TTL485 module just like using 232 without considering transmission and reception
Direction control facilitates user programming and improves system stability.
During module design, special consideration was given to signal integrity and EM-C characteristics, while incorporating multiple protection measures, making it suitable for various industrial applications. The module design is simple, the appearance is exquisite, and it is stable and reliable.
Features:
1. The module is powered by 3.3-5V, and the TTL transceiver interface is compatible with 3.3V and 5.0V levels;
2. RS485 automatic direction switching without user intervention;
3. Industrial grade design, stable and reliable performance, signal transmission rate up to 500Kbps:
4. Multiple protection measures: positive and negative 15KV ESD protection, 600W dual TVS protection, instantaneous overcurrent protection;
5. Supports multi machine communication, allowing up to 128 devices to be connected on the bus:
6. The module supports hot swapping, has strong driver capability, and has a maximum transmission distance of 1200 meters:
7. Equipped with blue power indicator light and green TXD/RXD transceiver indicator light;
7. Equipped with 3mm screw holes, the terminal can be easily inserted and removed for easy installation.
Electrical parameters:
Working voltage: 3.3-5.0V (maximum voltage 5.3V)
Working current: Static 3mA/3.3V: 5mA/5.0V
Working temperature: -40 ℃ -80 ℃
Load capacity: up to 128 devices on the bus
Flow control: automatic flow control
Communication speed: 300-500Kbps, automatic adaptation
Module size: 43mm * 25mm (excluding plug-in terminal block)
Product List:
1X module