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17
Installation and Operation
Manual
Series A3 & A4
Zero (Zero)
– This is a calibration parameter that allows re-calibration of
zero. To re-zero the control, disconnect both pressure connections so they
are open to atmospheric pressure and reset the value by holding the accept
key.
Cancel (Cancel)
– This cancels the zero operation
Reset (Reset)
– This will reset the zero point of the control
Zero pressure must be maintained during the zero operation.
Span (Span)
– This is a calibration parameter that allows re-calibration of
the span. To re-span the control, first enter the full scale pressure value you
will be calibrating to, then apply that pressure to the high pressure port and
reset the value by holding the accept key.
value / Accept
– This will reset the span of the control
The pressure must be maintained at the set value during the span operation.
Security Access (Access)
– This parameter allows you to prevent users from
accessing menus to prevent tampering. Once this parameter is set, a security
code must be entered to regain access to the locked menus as shown in the
below table. This feature can be used in conjunction with “moving program
variables” (section 5.1) to grant or restrict access to specific variables.
Secure menu (Secure)
– Selecting Secure will give the user access to all
menus.
Set-up menu (Set-up)
– Selecting Set-Up will give the user access to the
Main menu and the Set-up menu.
Main menu (Main)
–
Selecting Main will allow access only to the main
menu.
No menus (none)
– Selecting none will allow the user to view
parameters only in the main menu, but they will not be able to make
any changes.
Security Code Table
Menu
Security Code
Main
2312
Set-up*
4534
Secure**
6756
* Entering the security code for Set-up will also give access to Main
** Entering the security code for Secure will give access to all Menus
Factory Default (Reset)
– By performing a Factory Default, the control will
be configured back to the original factory settings. This includes set values
and menu structure.
Cancel (Cancel)
– This cancels the factory default
Reset (Reset)
– This accepts the factory default and resets the control
4.4 Secure Menu
Содержание LFGI-3USP
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Страница 51: ...SECTION IV UNIT DIAGRAM Made in the USA and available for purchase on the GSA 51 ...
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Страница 85: ... 863 248 2800 www sensocon com 20 Installation and Operation Manual Series A3 A4 ...
