Connecting to the Gateway Management Pages
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Page 38 of 50
7.4 MODBUS PASSTHROUGH
NOTE: This section is only used when setting up the DSEGateway
®
to operate as a
communications protocol convertor. This section must be left with no entries if using the
DSEGateway
®
purely as an SNMP or email notification system.
This page is used to configure the DSEGateway
®
as a Modbus Gateway to allow conversion across
the various ports.
It can be used for example to set
USB
as a modbus master to connect to any DSE controller fitted
with a USB port and supporting the DSE Configuration Suite SCADA function.
SLAVE (Settings of the DSEGateway
®
port this is connected to the monitoring device)
Parameter
Description
Port
The incoming port of the DSEGateway
®
RS232
RS485
Ethernet
USB
ID
Modbus slave address of the selected DSEGateway
®
port
Baud / Port
When Port is set to
Ethernet
– TCP port to use for Modbus (usually 502)
When Port is set to
RS232/RS485
– Baud rate of the selected port.
MASTER (To module) (Settings of the DSEGateway
®
port that is used to connect to the DSE
controller)
Parameter
Description
Port
The outgoing port of the DSEGateway
®
RS232
RS485
Ethernet
USB
ID / IP
When Port is set to
RS232
or
RS485
- Modbus slave address of the connected
DSE controller
When Port is set to
Ethernet
– IP Address of the connected DSE controller
TCP Port/Serial
Baud
When Port is set to
Ethernet
– TCP port to use for Modbus (usually 502)
When Port is set to
RS232/RS485
– Baud rate of the selected controller.