42 fu-processx-en
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Instruction manual - ProcessX
After adjustment, the transmitter should be kept energized at about 10
seconds to write the adjustment results into memory.
(4) Then return to applying input pressure of zero again and make sure output is 4 mA.
INDICATION
Note :
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by the external adjustment
screw.
2) When a digital indicator is
attached to the transmitter,
make sure that the LCD lamp
“ZERO” is OFF during the
span adjustment and ON
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Increase
Decrease
Fine adjustment
: turning slowly
(approximately 5sec per turn)
Rough adjustment : turning quickly
(approximately 1sec per turn)
ZERO
SPAN
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The measuring range for each transmitter is determinated
according to its type.
Span is changed by the outside screw with the mode setting
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below is an example of “Mode setting switch” is attached.
Note :
If the transmitter has an indicator, remove it to access the
setting switch.
(1) Set the mode setting switch to span position.
(2) Apply standard input pressure corresponding to Upper
Range Value (URV).
(3) Adjust output to 20mA by turning the outside screw
Min Span
Min Span
Max Span
Max Span
+100%
-100%
Input signal
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Zero suppression
Zero elevation
Output
signal
100%
(20mA)
0%
(4mA)
Max Zero suppression with
Max Zero elevation with :
For zero suppression or
elevation ranges, apply the
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advance and adjust the
output signal to 4.00 mA
using the external adjust-
ment screw.
After adjustment the span, reset the mode setting switch to Zero position
INDICATION
External adjustment screw
Set switch
to “SPAN”
position for
span calibration
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