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PROFIBUS DP
30.3. BUS.COMM – Settings on Type 8792/8793
Set the following menu options in the BUS.COMM menu for start-up of the PROFIBUS DP:
Address 0
Enter a device address (value between 0 and 126)
BUS FAIL
Activate or deactivate approach of the safety position
Selection
SafePos off
– The actuator remains in the position which corresponds to the set-point value last
transferred (default setting).
Selection
SafePos on
– If there is a fault in the bus communication, the behavior of the actuator depends on
the activation of the SAFEPOS auxiliary function. See Chapter “26.2.11. SAFEPOS
– Input the safety position”.
SAFEPOS activated: The actuator moves to the safety position which is specified in the SAFEPOS aux-
iliary function.
SAFEPOS deactivated:
The actuator moves to the safety end position which it would assume if the elec-
trical and pneumatic auxiliary power failed. See Chapter “10.9. Safety end positions
after failure of the electrical or pneumatic auxiliary power”.
Procedure:
Key Action Description
MENU
Press for approx. 3 s
Switching from process level setting level.
/ Select BUS.COMM Selection in the main menu (MAIN).
ENTER
Press
The submenu options for basic settings can now be selected.
Setting device address
/ Select Address
INPUT
Press
The input screen is opened.
/
Increase value
Reduce value
Enter a device address (value between 0 and 126).
OK
Press
Return to BUS.COMM.
Deactivating / activating safety position
/ Select BUS FAIL
ENTER
Press
The menu options for deactivating and activating the safety position
are displayed.
/ Select menu option
SafePos off
= deactivated
SafePos on
= activated
SELEC
Press
The selection is now marked by a filled circle .
EXIT
Press
Return to BUS.COMM.
EXIT
Press
Return to the main menu (MAIN).
EXIT
Press
Switching from setting level process level.
Table 108: BUS.COMM; settings