13
Operation
7.2.1 Configuration of the buttons
The configuration of the 2 buttons inside the housing varies depending
on the operating state (AUTOMATIC / MANUAL).
The description of the operating statuses (AUTOMATIC / MANUAL)
can be found in the chapter entitled “7.1 Operating state”.
Button 1
Button 2
Fig. 4:
Description of the buttons
MANUAL operating state (DIP switch 4 set to ON):
Button Function
1
Aerate
3)
(manually open / close the actuator)
4)
2
Deaerate
3)
(manually open / close the actuator)
4)
3)
No function if the binary input was activated with the “H/A
change-over” via the communications software.
4)
Depending on the control function of the actuator.
Tab. 4: Configuration of the buttons for MANUAL operating state
AUTOMATIC operating state (DIP switch 4 set to OFF):
Button Function
1
Press for 5 seconds to start the
X.TUNE
function
2
-
Tab. 5: Configuration of the buttons for AUTOMATIC operating state
7.2.2 Function of the DIP switches
ON
1 2 3 4
DIP
switches
Posi-
tion
Function
1
ON
Reversal of the effective direction of the set-point
value (
DIR.CMD
)
(set-point value 20 ... 4 mA = position 0 ... 100 %)
OFF
Normal effective direction of the set-point value
(set-point value 4 ... 20 mA = position 0 ... 100 %)
2
ON
Sealing function active. The valve completely
closes below 2 %
5)
and opens above 98 % of the
set-point value (
CUTOFF
)
OFF
No sealing function
english
Type EP 501 B
Summary of Contents for EP 501 B
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