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7. Modbus Device Management
This chapter describes the full set of features that enable the WebdynModBus to manage Modbus
devices. It can handle up to 247 Modbus slaves, but this limit depends both on the type of slave present
on the bus and the number of variables to be collected from each device.
7.1 Bus Wiring
Communication with Modbus devices can be done via RS485 (using 2 or 4 wires), RS232 or Ethernet.
This choice must be informed to the gateway via the conguration le prexID_daq.ini.