Fieldbus remote I/O module
TES Modbus
LEROY AUTOMATION
On the RS485, it manages data exchanges with numerous modbus slaves, packs data in a single database for a master (PLC or SCADA) on the RS232 link
TES Gateway take charge on behalf of PLC couplers or computer communications boards of all polling procedures for refreshing or retrieve the contents of the word or bit registers of any type of Modbus slave.
The software tool HERMES allows :
- to define the Modbus master frames to the slaves
- to build the modbus mapping to the PLC or SCADA master








