Modbus Rtu Pass-Through Function - IDEC FC6A-C16K1CE Communications Manual

Modbus RTU Pass-Through Function

The Modbus RTU pass-through function allows a Modbus TCP client connected to a Modbus TCP network to access a Modbus RTU
slave connected to a Modbus RTU network.
This function can read and write devices on a Modbus RTU slave device connected to port 1 of the FC6A Series MicroSmart from
the Modbus TCP client device connected to Ethernet port 1 of the FC6A Series MicroSmart.
The Modbus RTU pass-through function is only supported between Ethernet port 1 and port 1 on the FC6A Series MicroSmart.
Ethernet Hub
Port 1
Ethernet Port 1
Ethernet
FC6A Series MicroSmart
Modbus TCP Server
Modbus RTU Master
Modbus RTU Communication
FC6A Series MicroSmart
Modbus RTU Slave
FC6A S M S A
ERIES ICRO MART LL
FC6A Series MicroSmart
Modbus TCP Client
Operator Interface
Modbus RTU Slave
- -O T C
IN NE YPE OMMUNICATION
6: M
ODBUS
Ethernet Hub
Modbus TCP Client
M FC9Y-B1730
ANUAL
C
OMMUNICATION
Computer
6-27