4. INITIAL PROGRAMMING
of the protocol. Selecting the option MODBUS Symbol Client, for Symbolic Mapping setting or MODBUS Client, for Direct
Addressing (%Q). Then, click Add Device, as shown in the figure below.
Figure 22: Selecting the Protocol
4.6. Finding the Device
To establish the communication between the CPU and MasterTool IEC XE, first it’s necessary to find and select the desired
device. The configuration of this communication is located on the object Device on device tree, on Communication Settings
tab. On this tab, after selecting the Gateway and clicking on button Scan network, the software MasterTool IEC XE performs a
search for devices and shows the CPUs found on the network of the Ethernet interface of the station where the tool is running.
Figure 23: Finding the CPU
If there is no gateway previously configured, it can be included by the button Add gateway, using the default IP address
localhost to use the gateway resident on the station or changing the IP address to use the device internal gateway.
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