Fieldbus Controller • 73
Fieldbus Controller 750-872/020-000
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
protocol. A series of messages will be displayed in the BootP server
message window. The error messages indicate that some services (e.g. port
67, port 68) in the operating system have not been defined. DO NOT BE
ALARMED, THIS IS THE CORRECT OPERATION FOR THIS
EXAMPLE.
Fig. 3.1-13 Dialog Window of the WAGO BootP Server with Messages
P012909d
10. Now it is important to restart the controller by resetting the hardware. To
do this, cycle power to the fieldbus controller for approximately 2 seconds
or press the operating mode switch down, which is located behind the
configuration interface flap on the front of the controller.
Following this, you should see a reply from the PFC stating that the IP
address has been accepted (no errors). The IP address is now
temporarily
stored in the controller. Do not cycle power on the controller until the
BootP protocol has been disabled in the PFC.
11. Click on the
Stop
button, and then on the
Exit
button to close the BootP
Server .
3.1.7.2.5 Testing the Function of the Fieldbus Node
1. To test the controller’s newly assigned I/P address, start a DOS window by
clicking on the
Start
menu item
Programs/MS-DOS Prompt
2. In the DOS window, enter the command: "
ping
" followed by the PFC’s IP
address in the following format:
ping [space] XXXX
.
XXXX
.
XXXX
.
XXXX (=IP address).
Example: ping 10.1.254.202
Fig. 3.1-14: Example for the Function test of a Fieldbus Node
P012910d
3. When the Enter key has been pressed, your PC will receive a query from the
controller, which will then be displayed in the DOS window.
If the error message: "Timeout" appears, please compare your entries again
to the allocated IP address and check all connections. Verify that the
TXD/RXD LEDs flash when the ping command is issued.