Siemens Sinumerik 840D sl Function Manual page 216

DNC Plant/DNC Cell (FBDN1)
10 Configuration
Remote computer

This input field contains the IP address or the name of the remote network
server.
Extract from the machine configuration file:
RemoteName=PCU50
Domain

Here, you enter the domain to which the user is assigned. This is only the
same as the name in the Remote Computer field when used locally. (You have
to enter the computer name here. The IP addresses are syntactically
incorrect).
Extract from the machine configuration file:
Domain=PCU50
Name and Password

Here, you enter the user and password to be used to access the data
management system on the controller
(see DM Path on the General tab page - [GLOBAL] section).
Extract from the machine configuration file:
User=AUDUSER
Password=*******
DCOM authentication

This checkbox must be activated if the login parameterized above (domain,
name, password) is also to be used for DCOM authentication.
FBDN1/10-208
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Motion Control Information System DNC (FBDN) - 04/10 Edition
05.07