s7-300 with libnodave

Kobus123

Member
K
Join Date
Dec 2021
Location
port elizabeth
Posts
2
Hi I am trying to connect to a s7-300 with libnodave. I successfully connected to 1200 and a 1500. 1500 had to make some change in the hardware config. but can not do the same with a 300. nor do I see anything that I must change in the hardware configuration? I am trying to obtain the db values. is there anything that I must change on plc? connecting using tcp/ip.
 
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