ZHC4931Manual
Public
Chengdu Zongheng Intelligent Control Co., Ltd
14
www.iotrouter.com
In this mode, the server can send Modbus data (address is the product address) to
communicate with the product. If the issued data cannot be identified by the product, it will
forward such data to the RS485 bus where the product is located. Other devices that are on
the same RS485 bus as the product can also send Modbus data (address is the product address)
to communicate with the product. If the data cannot be identified by the product, this data is
forwarded to the server.
P9 Slave mode data flow graph