Operating instructions

Configuring the operating system
6.13 Enabling PROFINET IO
MP 377, MP 377 PRO (WinCC flexible)
Operating Instructions, 10/2008, 6AV6691-1DR01-0AB0
135
Within the ETHERNET data network, the device name must be unique and satisfy the DNS
conventions. These include:
● Restriction to 127 characters in total (letters, digits, hyphen or point)
● A name component within the device name, e.g. a string between two points, may not
exceed 63 characters.
● Special characters such as umlauts, brackets, underscores, slashes, spaces etc. are not
permitted. The hyphen is the one exception.
● The device name must not start or end with a the "-" character.
● The device name must not take the form n.n.n.n (n = 0 to 999).
● The device name must not start with the character sequence "port-xyz-" (x, y, z = 0 to 9).
Procedure
Proceed as follows:
1. If you want to enable the PROFINET IO direct keys, activate the "PROFINET IO enabled"
check box.
2. Enter the device name of the HMI device.
3. Confirm your entries.
The dialog closes.
Result
The PROFINET IO direct keys are enabled.