MGate MB3000 Modbus Gateway User Manual
Replace Serial Masters with Ethernet
Master(s), Slave IDs are Fixed
Some legacy Modbus slave devices have fixed IDs that cannot be changed. In order to integrate the devices
into a Modbus TCP network, a multiport MGate model (MB3280, MB3270, or MB3480) can be used to assign
virtual slave IDs. For more information about virtual slave IDs, please refer to Chapter 9.
Keep Serial Master and Add Ethernet Master(s)
In this scenario, the serial control system is a direct, low-latency system. The serial master must not be
replaced, but Ethernet masters will need to have access to the serial slaves for monitoring or supervision.