USER'S GUIDE____________________________________________________________________
152 _________________________________________________________________ M210796EN-F
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.
Using Serial Line
1. Open the transmitter cover.
2. Connect power supply wiring (if not using the power supply
module) and power up the transmitter.
3. Connect the USB service cable between a computer and the service
port of the transmitter.
4. Start the Vaisala USB Instrument Finder program (which has been
installed on the computer along with the USB service cable driver),
and check the COM port that the cable is using.
5. Open a terminal program, and connect to the service port. The
fixed settings serial line settings of the service port are
19200, 8, 1, N.
6. Use the SMODE command to enable the MODBUS mode:
>smode modbus
serial mode : MODBUS
>
7. Configure the networking parameters of the interface you are
using:
NOTE
After transmitter startup, it may take a few minutes for the network
interface to become available for configuration.
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