MGate MB3000 Modbus Gateway User Manual
11. Case Studies
Introduction
There are many reasons a Modbus gateway might be used to integrate Modbus networks. However, every
situation has its own requirements and difficulties. Users may wonder how the gateway can help or even if
the gateway is suitable for the system.
This chapter presents some case studies to guide you. If you can not find a case similar to yours, it does not
mean the MGate MB3000 is not suitable for you. Please contact Moxa, and we will work it out with you.
Replace Serial Masters with Ethernet
Master(s), Slave IDs are Configurable
In this scenario, the original control system consists of several serial-based systems. In each system, a
serial master directly controls serial slave devices, as follows:
The MGate MB3000 can connect to each serial slave, so Ethernet SCADA masters will be able to control
them. However, since slave IDs cannot be repeated in a system, we will need to change the IDs of some of
the slaves in order to integrate them into a single network, as follows:
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