There are a couple of reasons why you might not be able to write to the HMI over ethernet.
1. You have a fresh GOT with no program in it. When GOTs ship from the factory they have no BootOS and no Ethernet setup. You must always use USB or serial the first time to set them up.
2. You don't have the correct IP settings on your PC, make sure your PC's IP address and subnet match that of the HMI.
3. The HMI was set up to connect to a serial only device and therefore has deactivated the Ethernet port!
This one is a little strange, but if you have a 3rd party (non-Mitsubishi) device connected via Serial port to the HMI and you haven't configured the Ethernet port to do anything, then it will be dormant.
To activate it, go to I/F Communication Settings and set the Ethernet Download settings.
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Bryon Sol
There are a couple of reasons why you might not be able to write to the HMI over ethernet.
1. You have a fresh GOT with no program in it. When GOTs ship from the factory they have no BootOS and no Ethernet setup. You must always use USB or serial the first time to set them up.
2. You don't have the correct IP settings on your PC, make sure your PC's IP address and subnet match that of the HMI.
3. The HMI was set up to connect to a serial only device and therefore has deactivated the Ethernet port!
This one is a little strange, but if you have a 3rd party (non-Mitsubishi) device connected via Serial port to the HMI and you haven't configured the Ethernet port to do anything, then it will be dormant.
To activate it, go to I/F Communication Settings and set the Ethernet Download settings.
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