An OPC UA server was integrated in SINUMERIK 840D sl and SINUMERIK 828D as from software version 4.5 SP3.

A configuration dialog is integrated into SINUMERIK Operate after the software option is activated in software version 4.7 SP1. An ADMIN user is then set up with password identification in order to connect an OPC UA client to the OPC UA server. Various read and write permissions can also be assigned. Access is possible to, e.g., CNC and PLC data, GUDs, MDs, setting data.

The number of SINUMERIK variables that can be observed simultaneously is limited:

• SINUMERIK 840D sl
  max. 200 variables
• SINUMERIK 828D software version 4.5
  max. 20 variables
• SINUMERIK 828D software version 4.7
  max. 100 variables