Suppanel

Modbus, as most industrial protocols, works in the mode "Request - Reply", the master sends requests and the slave replies. In your case the Android device with Suppanel is the master and the connected PLC is the slave. If the outputs you want to drive are individuals bits in a 16bit word,...

It is not planned to make a new version in the current year and what you are asking for is not a priority, nobody has asked for something similar before.

Regards.

Your problem is clearly having a very slow network. It is not normal to have delays of up to 2 seconds. The only available version of Suppanel is the one that can be installed from the Play Store and it is not possible to make a modified version for a specific problem that no one else had reported b...

Hi,

No, that is not possible in Suppanel

Welcome to this forum Jim !!

Glad to hear that, I also remind you that I think Omron NX PLCs support OPC UA protocol, also supported by Suppanel, which offers intrinsic security and it can run safely without a VPN

I have already been able to study the report a bit. When Suppanel tries to register the Ethernet/IP session the PLC returns a transmission length value out of range that causes the Suppanel crash. Check that there really is an Ethernet/IP slave on the IP and port where you are trying to connect, it ...

Please use the "Send Feedback" option at least once, when "Suppanel has stopped working" appears, if available.

Then I will receive a report that may help to know where the problem is.

Regards.

Welcome to this forum calo, see my answer in the Message Board sub-forum

Hi calo, If you mean to access a PLC from the Internet that is not possible in most cases, due al least two problems: - Home Internet providers do not provide a static IP address and in many cases neither public, therefore your PLC will not be reachable from the outside, even defining a NAT rule in ...