Data Buffering; Implementing Configuration Changes; Serial Configuration Wizard; Serial Data Port Configuration Menu - GE MDS iNET Series Reference Manual

The transceiver converts MODBUS/TCP requests to either RTU or ASCII serial MODBUS packets and
sends them to the configured serial port. The transceiver waits up to the timeout period for a reply on the
serial port, and if a reply arrives, the transceiver converts the response back to MODBUS/TCP and sends it
to the connected MODBUS/TCP client. More information can be found in Appendix A, MDS iNET/ENI
Protocols (beginning on Page 132).
NOTE:
MODBUS is possible on the COM2 port only.
NOTE:
For information on the MDS iNET 900 ENI, which provides expanded gateway and protocol
conversion capabilities not found in the iNET 900 (DF1 to EIP, and MODBUS to MODBUS TCP
conversions), refer to Appendix A, MDS iNET/ENI Protocols (beginning on Page 132).

Data Buffering

Data buffering is always active regardless of the selected mode. When Seamless mode is selected, a buffer
size of 256 bytes is used. When custom mode is selected, the size options are: 16. 32, 64, 128, and 256 bytes.
The Inter-Frame Delay is settable in either Seamless or Custom modes.

Implementing Configuration Changes

There are several configuration parameters for the Serial Gateway found under the Serial Configuration
Menu of the Management System. After making changes to the configuration, you must use the menu's
"Commit Changes" to assert the changes.
If you are connecting EIA-232 serial devices to the transceiver, review these parameters carefully.

Serial Configuration Wizard

The Serial Configuration Wizard available through the
for configuration of serial ports. The wizard uses a step-by-step process, will eliminate possible conflicting
settings, and streamline complex configurations.
The wizard can be bypassed by selecting option
tings of the appropriate parameter.

2.6.2 Serial Data Port Configuration Menu

The first two menu items present the identical parameter fields for each port with one exception—Flow
Control. This is available only on COM2.
05-2806A01, Rev. L
Serial Gateway Configuration Menu
B) View Current Settings
MDS iNET Series Reference Manual
is recommended
and adjusting the individual set-
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