I start with some answers – links into the documentations:
CtrlX OS Profinet Device - Max number of Input/ output bytes that can be declared? EN: https://docs.automation.boschrexroth.com/doc/3703895296/profinet-device-app-features/latest/en/?sel=AwelBYyyCYC5gBobShE8CcQ%3D DE: https://docs.automation.boschrexroth.com/doc/3703895296/profinet-device-app-features/latest/de/?sel=AwelBYyyCYC5gBobShE8CcQ%3D
CtrlX OS OPC UA Pub/Sub and Client - Any restriction on number of read/write data bytes in one packet? For clients see the links below and the links for the OPC UA Server: EN: https://docs.automation.boschrexroth.com/doc/894340029/eigenschaften/latest/en/?sel=AwegjCAsKq0EwC5gBpQWrKIlgMxA DE: https://docs.automation.boschrexroth.com/doc/894340029/eigenschaften/latest/de/?sel=AwegjCAsKq0EwC5gBpQWrKIlgMxA
CtrlX OS OPC UA Server - Any restriction on data table size? EN: https://docs.automation.boschrexroth.com/doc/412150158/eigenschaften/latest/en/?sel=AwegjCAsKq0EwC5gBpQWrKIlgMxA DE: https://docs.automation.boschrexroth.com/doc/412150158/eigenschaften/latest/de/?sel=AwegjCAsKq0EwC5gBpQWrKIlgMxA
For all CODESYS fieldbus communications see the link below and the linked sites by CODESYS directly: CODESYS - Fieldbus Communication (boschrexroth.com)
CODESYS Ethernet IP Adapter - Max number of Input/ output bytes that can be declared?
CODESYS Profinet Device - Max number of Input/ output bytes that can be declared?
CODESYS TCP/UDP Function blocks - Max packet size?
CODESYS MQTT - Max packet size? ( I have seen Solved: adjust Maximun packet size in the parameter list (boschrexroth.com) but it wasn't clear if there was any restriction)
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