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Figure 76, Ip configuration, Figure 77 – Vaisala DMT340 User Manual

Page 147: Wireless lan settings, Figure 78, Communication protocol

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Chapter 5 ___________________________________________________________________ Modbus

VAISALA _______________________________________________________________________ 145

1101-034

Figure 76

IP Configuration

4.

Navigate back to the Network Settings menu. If you are using the
WLAN interface, select Wireless LAN Settings.

5.

On the Wireless LAN Settings screen, set the network name
(SSID) and security options, and exit to save the changes.

1101-036

Figure 77

Wireless LAN Settings

6.

Navigate back to the Network Settings menu. Select
Communication Protocol.

7.

On the Communication Protocol screen, enable the Modbus
protocol. Press the EXIT button to save the changes.

Note that the device address setting is not relevant for Modbus
TCP. In the Modbus mode, the transmitter will respond to all valid
Modbus messages with any “unit identifier” value.

1101-034

Figure 78

Communication Protocol

8.

The Modbus configuration is now complete, as configuration
changes made with the display and keypad are effective
immediately.