Vaisala PTU300 - Enabling Ethernet MODBUS; Using Display;Keypad (Optional); Figure 68 IP Configuration; Figure 69 Wireless LAN Settings

Chapter 5 ________________________________________________________________ MODBUS
VAISALA______________________________________________________________________ 151
Enabling Ethernet MODBUS
In addition to enabling the MODBUS protocol in the device; MODBUS
TCP needs the following software settings: IP address, subnet mask, and
default gateway address. Also network name (SSID) and security settings
must be configured if wireless network is used.
Using Display/Keypad (Optional)
1. Open the Main Menu by pressing any of the ▼▲◄► arrow
buttons.
2. Navigate to Interfaces ► Network Settings ► IP Configuration.
3. On the IP Configuration screen, set the network configuration
settings, and exit to save the changes.
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.