Vaisala DMT346 User Manual
Page 141
Chapter 5 ___________________________________________________________________ Modbus
VAISALA _______________________________________________________________________ 141
1101-034
Figure 68
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 69
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 70
Communication Protocol
8.
The Modbus configuration is now complete, as configuration
changes made with the display and keypad are effective
immediately.