Check The Connection - Siemens SIMATIC VS120 Operating Instructions Manual

Commissioning
8.4 Establish an Ethernet connection between the processing unit and PG / PC
8.4.4

Check the connection

Checking the connection tells you whether or not the configured Ethernet connection
between the PC and the VS120 processing unit is working.
You can only start adjustment support from your Internet Explorer and operate the VS120
processing unit from your PC after you have checked the connection.
Requirements
• The VS120 processing unit was either integrated in your existing network or connected
• The network cable is connected to the VS120 processing unit
• The VS120 processing unit is connected to a 24 V DC power supply unit and is being
• The VS120 processing unit self-test is completed
Procedure
1. Make sure that the VS120 processing unit and PC are correctly connected to the existing
2. After turning on the VS120 processing unit and after the self-test is completed, go to the
3. Confirm the selected "Ports" menu command with "OK".
4. Change to the "Ethernet" menu and confirm with "OK"
5. Change to the "IP Address" menu and confirm with "OK"
6. Note down the IP address displayed on the VS120 processing unit
7. Open the command prompt on the PC with Start > Run and enter the program name
8. In the command prompt, enter the following:
9. Confirm your entry by pressing the enter key on the keyboard
Result
If the connection from the PC to the VS120 processing unit exists, 4 packets are first sent
from the PC to the processing unit as shown above and then 4 packets are returned from the
VS120 processing unit to the PC.
The reply from the VS120 processing unit appears on the PC, for example, as follows:
Reply from 192.168.0.2 bytes=32 time<10ms TTL=255
Reply from 192.168.0.2 bytes=32 time<10ms TTL=255
Reply from 192.168.0.2 bytes=32 time<10ms TTL=255
Reply from 192.168.0.2 bytes=32 time<10ms TTL=255
This is followed by the ping statistics for 192.168.0.2.
8-14
directly to a PC
supplied with power
network or are connected together using an Ethernet crossover cable
"Connect" menu and confirm with "OK".
"cmd".
ping <IP address or name of the VS120 processing unit>
Example: ping 192.168.0.42
Vision Sensor SIMATIC VS120
Operating Instructions, Edition 02/2006, A5E00757507-01