rotork Pakscan IIS, Техническое руководство

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Pakscan IIS Technical Manual Issue 1.0
Publication S130E 27
8. LCD and KEYPAD
The front of the master station has the user interface LCD and Keypad, plus the user defined function keys and
LED’s. This section of the manual deals with the user interface, information on the user defined displays can
be found in the Pakscan IIS SCT Programming manual.
The MENU key returns to
the previous menu. If
pressed in the middle of
entering a number, that
operation is abandoned
7 8 9 Clear
4 5 6
1 2 3
0 Load
Menu
Port A
Port B
Loop
Activity
The LCD screen can display
4 lines of 20 characters
The number keys (0-9) are
used for numeric entry and
also to select options from
the menus
The CLEAR key clears the
number currently being
entered and accepts alarms
The UP and DOWN keys
provide an alternative to the
number keys for some menu
choices. Within the field unit
menus they allow the user to
move directly from on field
unit to the next
The LOAD key is used to
complete the entry of a
number
8.1 Keypad Security
The Pakscan IIS master station can be protected against unauthorised changes by a password, or 'PIN',
mechanism.
If a PIN has been programmed, it must be entered before particular functions can be accessed. These
functions then remain accessible whilst keys are being pressed and for 30 seconds after the last key press.
8.1.1 Using a PIN
The password can be entered from any screen by pressing the star key '*'. You are then prompted to type in
the password, followed by 'LOAD', before being returned to the previous screen. The numbers you enter are
not displayed as you type them in.
The Port A and Port B Loop
Activity indicators show the
loop current signal flowing.
They should both be on
most of the time
The * key is used to allow
the PIN number to be
entered from any screen.
Press *, type the PIN then
press LOAD.