How can I connect a Compact HMI 800 to a AC500 PLC through GPRS network? What additional HW or SW is needed?
Voted best answer
Nothing "special" from my point of view. There will be necessary to have on both sides modems. I remember for one solution i proposed in past based on next manufacturer:
important is support for "tunelling" because of security. Try to find similar prtoduct / manufacturer or you can use it..... BTW - there will be necessary to order also antenna...