TTL to RS485 RS485 Go to TTL Converter With Address

Module parameters

Specification: 4.7*2.1*1.1 cm

Working voltage: 5v

Serial interface: 5v level TTL interface

485 interface: D – / B, GND, D + / A.

Coding switch: eight, data address for 1-8.8 as the highest level, to ON instead of 0 to 1.

TTL serial communication data format

Baud rate: 9600(the default), 19200bps to 38400bps

Data bits: 8

Stop bits: 1

Check digit: None

Flow control: None

Module communication protocol format

1. The wave code switch address is set to 0 x00 to host, can receive all the data.

2. Wave code switch address 0 x00 not for from the machine.

3. The data format for:

Host: the target address + N data

Data from the machine: source address + N

From host to the machine:

Host devices (client connection host module) in the shop sent the target address + N data.This store from desktop module according to your own address matching, target address meter module to remove the client connection in the device only received N data from desktop module.

From the machine to host:

From the machine equipment (client connection in this store from desktop module) send N data.This store from desktop module in the N data combined with its own address before sent to the host devices.The host devices (client connection host module) in the shop will receive the target address + N data.So the user can know is which from machine equipment to send data.

As shown in the figure below: