Samson 3738-20, Монтаж и эксплуатация

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EB 8390 EN 45
Start-up
NOTICE
After the electronic limit switch has
been mounted onto another actuator
or its mounting location has been
changed and before re-initializing,
the electronic limit switch needs to be
reset to its default setting (Code
P21 ).
Refer to section 8.10).
Note:
If an electronic limit switch is re-
placed with another electronic limit
switch of the same type, the replaced
electronic limit switch may not need
to be re-initialized, provided certain
conditions are met (see section 8.8).
After the electronic limit switch has been ini-
tialized, the current valve position appears in
% on selecting P0 . Keep the rotary pushbut -
ton ( ) pressed to display the reading as an
angle (°).
Two types of initialization are available:
−
Automatic initialization with P9 parame-
ter
− Manual initialization with P10 parameter
by manually confirming the end positions
(POS1 and POS2)
8.7.1 Start automatic initial-
ization
Note:
The automatic initialization can be
canceled by pressing the rotary push-
button ( ). ESC appears on the dis-
play.
Data saved in the electronic limit
switch before the initialization can be
restored by pressing the rotary push-
button ( ) again
.
P9: Display reading
when initialization
has not been started
After initialization
has started:
P9 : Initialization is being
prepared
P9 : Initialization in
progress
%
P9 : Initialization
successfully
completed
Turn
g
P9 (display: INIA)
Press and hold for six seconds. The sec-
onds remaining until the initialization starts
appear on the display.
Initialization starts (display: INIT): The valve
moves twice from the operating position to
the fail-safe position and back again to the
operating position. It measures the travel be-
tween the end stops as well as the dead time
and transit times for opening and closing the
valve.
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