Chengdu Ebyte Electronic Technology Co., Ltd.
E870-E1_User Manual_EN
Copyright ©2012
–
2022,
Chengdu Ebyte Electronic Technology Co., Ltd.
24
Chapter 5 Special Function
5.1 Ebyte Cloud Modbus to JSON
It supports converting the Modbus RTU data of the serial port into the JSON message format of the Ebyte cloud
device communication protocol for data transmission and reception.
5.2 Alibaba Cloud Modbus to JSON
It supports converting the serial port Modbus RTU data into the JSON message format of Alibaba Cloud device
communication protocol for data sending and receiving.
5.3 Edge acquisition
Support 20 external data points collection, data points can be established through the host computer or Ebyte cloud
device communication protocol, the server can read or set data points by sending JSON messages through Ebyte
cloud communication protocol or Alibaba cloud protocol, and then The device automatically converts JSON
commands to Modbus commands for setting or reading, and then reports the return value in JSON format.
After the data points are set, the device will poll and read all data points (enable) every one second. If the external
data points are set to report changes, once the data points are changed, they will actively report the status of the data
points or value.
5.4 Registration packet
In the network transparent transmission mode (TCPC/UDPC), the user can choose to let the device send the
registration packet to the server. The registration package is used to allow the server to identify the source of the
data, or as a password to obtain authorization for server functions. The registration packet can be sent when the
device establishes a connection with the server, or the registration packet data can be spliced at the front end of
each data packet as the header of a data packet. The data of the registration package can be MAC, FW version
information or custom registration data (support ASCII configuration of custom registration package, ASCII can be
configured up to 128Bit).
5.5 Heartbeat packet
In the network transparent transmission mode (TCPC/UDPC), the user can select the module to send heartbeat
packets. The main purpose of sending to the network is to keep alive with the server, so that devices that are idle
