Real Time Automation, Inc.
18
1-800-249-1612
Modbus TCP/IP Server Configuration
Click the
Modbus TCP/IP Server
button to access the configuration page.
1)
Select which
Network Interface
to use for this Allen-Bradley PLC connection. If using single port
hardware, the Network Interface will default to Ethernet oort only.
2)
Enter a
Device Label
to identify the device within the gateway.
3)
TCP Port
: Enter a TCP Port for the Modbus TCP server to listen on. Default for Modbus TCP/IP is 502.
4)
Inactivity Timeout
: Amount of time the gateway will wait for a read/write request before issuing a
timeout.
5)
To enable data swapping, select the required
Swap Indicator
. If the bytes appear in the wrong
order, enable swapping to change the data. This swapping does
NOT
change coils and their ordering
inside the Bit Pack.
6)
Bit Pack
: Select the formatting of the Coil Status/Input Status. Automap will use this packing size to
map coils to/from the other protocol. The bit pack selection here should match that of the other
protocol. The starting address is considered Bit 0 and is the low-order bit.