30
Operation
→
To operate the keys and DIP switch, unscrew the four screws on the housing cover and remove the
housing cover.
9.3.1
Assignment of the keys
To be able to operate the DIP switch and keys, ensure that the on-site operating lock is not
disabled/blocked (factory setting): with communication software or fieldbus communication.
The assignment of the two keys inside the actuator housing varies depending on the operating state
(AUTOMATIC/MANUAL).
You can find the description of the operating states (AUTOMATIC/MANUAL) in Chapter
Key 1
Key 2
LED 1
LED 2
Fig. 11:
Key description
→
To operate the keys and DIP switch, unscrew the four screws on the housing cover and remove the
housing cover.
MANUAL operating state (DIP switch 4 set to ON):
Key
Function
1
Aeration (manual opening/closing of the actuator)
12)
2
Venting (manual opening/closing of the actuator)
12)
1 and 2 simul.
Press for longer than 10 s (< 30 s, LED 2 flashes at 5 Hz): device restart
Longer than 30 s (LED 2 flashes at 10 Hz): Reset device to factory setting
12)
Dependent on the control function of the actuator.
Table 8:
MANUAL operating state key assignment
AUTOMATIC operating state (DIP switch 4 set to OFF):
Key
Function
1
Starting the
X.TUNE
function: press key for 5 s until LED 2 (green) flashes
2
-
1 and 2
simul.
Press for longer than 10 s (< 30 s, LED 2 flashes at 5 Hz): device restart
Longer than 30 s (LED 2 flashes at 10 Hz): Reset device to factory setting
Table 9:
AUTOMATIC operating state key assignment
Type 8791, REV.2
english
Summary of Contents for 8791 REV.2
Page 80: ...80 Type 8791 REV 2 english ...
Page 81: ...www burkert com ...