Services Modbus gateway
Digi Connect IT® 16/48 User Guide
397
Configure the Modbus gateway
Required configuration items
n Server configuration:
l Enable the server.
l Connection type, either socket or serial.
o
If the connection type is socket, the IP protocol to be used.
o
If the connection type is serial, the serial port to be used.
n Client configuration:
l Enable the client.
l Connection type, either socket or serial.
o
If the connection type is socket:
o
The IP protocol to be used.
o
The hostname or IPv4 address of the remote host on which the Modbus server is
running.
o
If the connection type is serial:
o
The serial port to be used.
l Modbus address or addresses to determine if messages should be forwarded to a
destination device.
Additional configuration items
n Server configuration:
l The packet mode.
l The maximum time between bytes in a packet.
l If the connection type is set to socket:
o
The port to use.
o
The inactivity timeout.
o
Access control list.
l If the connection type is set to serial:
o
Whether to use half duplex (two wire) mode.
n Client configuration:
l The packet mode.
l The maximum time between bytes in a packets.
l Whether to send broadcast messages.
l Response timeout
l If connection type is set to socket:
o
The port to use.
o
The inactivity timeout.
l If connection type is set to serial:
o
Whether to use half duplex (two wire) mode.