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®
Valves products in their particular application.
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IM-SEA-1
10-12-17 / Rev. 1
Page 11 of 16
OPEN AND CLOSE SETTING
(
SEA 3 & SEA 4)
The settings are set at factory, though in some cases re-set may be required when a
particular rate of signal is requested
Settings for OPEN and CLOSE
o The function of VR
Adjust output signal/input signal
-
VR1
— Adjust 10V, 20mA (Input signal: fully-open)
-
VR51
— Adjust 10V, 20mA (Output signal: fully-open)
-
VR2
— Adjust 2V, 4mA (Input signal: fully-closed)
-
VR52
— Adjust 2V, 4mA (Output signal: fully-closed)
Note: If it is necessary to adjust VR51 and VR52, VR1 and VR2 also need to be adjusted accordingly.
o Rotate VR1 counterclockwise until a light click is heard, then supply 10V (or
20mA) to modulating board. Slightly rotate VR1 clockwise until green LED keeps
on. Adjust VR51 to complete.
VR51:
-
-
o Rotate VR2 clockwise until a light click is heard, then supply 2V (or 4mA) to
modulating board. Slightly rotate VR2 counterclockwise until red LED keeps on.
Adjust VR51 to complete.
VR52:
-
-
