Michell Instruments Easidew PRO, Руководство пользователя

Страница: 17 / 58

I.S. Field Display User’s Manual
Michell Instruments 11
OPERATION
Display Summary of function
C - - P
Function of P button
The I.S. Field Display may be con fi gured to display the input current in
milliamps, or the input current as a percentage of the 4-20 mA input,
when
P
is pressed while in the display mode. See Section 3.1.7.
tArE
Tare function
When enabled, the tare function sets the I.S. Field Display to zero
when the
E
button is pressed in the display mode. See Section 3.1.8.
CodE
Security code
De fi nes a four-digit numeric code that must be entered to gain access
to the Con fi guration Menu. Default code
0000
disables this security
function and allows unrestricted access to all conditioning functions.
See Section 3.1.9.
rSEt
Reset
Contains two sub-functions,
ConF
which returns the I.S. Field Display
to the default conditions shown in Section 3.1 and
LtAb
which returns
the lineariser to the default conditions shown in Section 4.3. To prevent
accidental use both resets must be con
fi rmed by entering
5urE
before
they will be executed. See Section 3.1.10.
3.1.2 Indicator Function: ‘FunC’
This con fi guration function de fi nes the relationship between the 4-20 mA input current
and the I.S. Field Display. Three alternatives are available:
Std
Standard linear relationship - Default
root
Square root extraction
Lin
16 segment adjustable lineariser
To reveal the existing I.S. Field Display function, select
FunC
from the Con fi guration
Menu and press
P
. If the function is set as required, press
E
to return to the Con fi guration
Menu, or press

or

to change the setting, followed by
E
to return to the Con fi guration
Menu.