Ethernet Cables
A cross-over cable is only used when going point to point, meaning there is not an Ethernet switch or hub used. An example would be connecting a PC directly to an HMI.
A normal Ethernet cable is used when connecting through a switch or hub. An example would be connection a PC to a port on a switch and two HMI’s to ports on the same switch.
Ethernet Transfer Dialog
To access the download dialog in iX Developer, go to “Project” tab -> “Download”.
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Select a terminal and press download to transfer a project to a terminal. This will erase the existing project on the terminal and replace it. Downloads can take anywhere from 3 to 10 minutes.
If you do not see your terminal listed in the dialog, you can also attempt to download to it by typing in the IP Address of the terminal in “Target” and pressing download. Some networks require this type of downloading because of the broadcast packets not being able to make it to the PC.
Ethernet Troubleshooting
If a terminal is displayed in the download dialog, it does not always mean that it can receive a download. Some terminals can be seen on the network, even if there IP addresses are not compatible for communication to your PC.
If you are having trouble downloading to a terminal, then you need to verify it is on the same network as your PC and can be communicated with. Start by sending a ping the terminal. Open a command prompt using “Start”->”Run”->”cmd” or by searching for cmd if using Windows 7.
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If the ping is not successful, then your PC cannot communicate with the panel; the IP addresses and subnets of the PC and panel need to be verified. Here is an unsuccessful ping.
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To verify the IP addresses and subnets configured in your PC, type “ipconfig” in the command prompt and press enter. To verify the IP address and subnet of your panel go to the service menu. You may want to work with IT personnel for help on assigning an IP address for your device.
Here are some examples if IP address and subnet settings that are incompatible preventing the devices from communicating.
PC IP Address 192.168.3.30
Subnet 255.255.255.0
Panel IP Address 192.168.2.10
Subnet 255.255.255.0
PC IP Address 192.168.2.10
Subnet 255.255.255.0
Panel IP Address 192.168.2.10
Subnet 255.255.255.0
PC IP Address 192.168.3.16
Subnet 255.255.0.0
Panel IP Address 192.168.2.10
Subnet 255.255.255.0
Here are some examples of IP address and subnet settings of two devices that can communicate with each other
PC IP Address 192.168.3.30
Subnet 255.255.255.0
Panel IP Address 192.168.3.10
Subnet 255.255.255.0
PC IP Address 10.50.2.11
Subnet 255.255.0.0
Panel IP Address 10.50.3.10
Subnet 255.255.0.0
Do not use IP addresses ending with .0, .1 or .255 (i.e. 192.168.2.255). Those can have special uses on the network and may not work.
Additional Resources
http://en.wikipedia.org/wiki/IP_address
