Section 9 Modbus application settings
9.1 Modbus Gateway properties
The Modbus Gateway is an adapter application enabling conversions between serial
and network Modbus protocols. The gateway can operate on two modes; either
connecting serial masters to slaves behind the network or connecting network master
to serial slaves.
The gateway offers a number of core properties.
• Supports Modbus RTU and Modbus ASCII serial protocols
• Supports Modbus TCP, Modbus RTU over TCP, Modbus RTU over UDP,
Modbus ASCII over TCP and Modbus ASCII over UDP network protocols
• Generates and filters out gateway exceptions
• Routes traffic on the network, based on Modbus addressing, enabling intelligent
use of network resources
• Makes automatic connection management
• Enables multiple server sessions over network
• Offers unlimited amount of Masters on serial or Network side
• Offers 30 routes over network to slaves
9.2 Modbus modes
Serial master to network slaves
When the Modbus master supports serial based Modbus, communication needs to
control slaves over a TCP/IP network. The device on the master side must be in the
“Serial master to network slaves” mode.
1MRS758460 B Section 9
Modbus application settings
ARG600 Dual SIM Variant 33
User Manual
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