Siemens Master is Siemens CPU 319-3 PN/DP
Slave is a FX3U processor with a FX3U 32DP slave module
Customer is using Siemens 6ES7 318-3EL00-0AB0
6ES7 318-3EL00-0AB0 V2.6 software.
For starters
Question: what needs to be set on the Siemens side? The slave appears on the graphical interface but the slave does not see the master. The master address in Buffer memory defaults to 00FFh