• Interface
• Flow Control
• RTS ON delay
• RTS OFF delay
• Response Timeout
4.5.2 Operation mode
The Modbus Gateway makes connected Serial equipment become IP-based. That also makes them able to connect to a
TCP/IP networking immediately. The Modbus Gateway allows traditional Computer/Client COM ports access to a serial
equipment anywhere on the Ethernet LAN network.
This operation mode can be set up as Disable, RTU Slave/Master and ASCII Slave/Master. The operation mode screen in
Figure 4-5-3
appears.
4.5.2.1 Disable mode
When selecting disabled operation mode, the device port can be disabled. The disable mode screen in
Even
Odd
None
Space
Mark
The device server supports three interfaces. The default value is RS-232.
RS-232
RS-422
RS-485 2-Wire
RS-485 4-Wire
The method is used to suspend and resume data transmission to ensure that data is not
lost. It supports four methods and default value is none.
None
RTS/CTS
Xon/Xoff
DTR/DSR
This parameter controls RTS turn on before data transmission.
This parameter controls RTS turn off after the transmission completes.
This parameter is used to configure how long the gateway will wait for a response from a
Modbus ASCII or RTU slave.
Figure 4-5-3: Operation Mode Screenshot
47
User's Manual of MG-11x Modbus Gateway Series
Figure 4-5-4
appears.