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DISPLAY MENUS
The function of LCD panel is arranged as a 2 level menu structure.
-Main menu
-Sub menus
MAIN MENU
STATUS MESSAGES LEVEL
MEASURES MENU
COMMAND MENU
ALARMS MENU
OPTIONS MENU
TIME MENU
INFORMATION MENU
ADJUST MENU
SERVICE PASSWORD
USER PASSWORD
Use down button to move on menu
Use <E> enter button to go in submenu
If the user press up and down buttons, main menu items come to screen by order. In main menu the left and
right buttons does not function. ENTER button goes to submenus
STATUS MESSAGES LEVEL ________________________________________________________________
This is the first item of the main menu and messages gives a general status information about STS to users.
The possible messages according to events are:
ON PREFERRED :
This message shows that the selected preferred source is switched directly to the output of
STS (i.e. the load is on the preferred source)
ON ALTERNATE :
This message shows that the alternate source is switched directly to the output. The
possible causes of this message are : preferred source is bad and load transferred to alternate source or
transfer test is being performed.
MANUAL TRANSFER :
Load is transferred to one of the input sources statically. This transfer can be
performed from COMMAND MENU of LCD Panel or using the static transfer switch.
MAINT.BYPASS S1 :
Load is connected directly to the Source 1 input (the S4 maintenance switch is in 1
position)
MAINT.BYPASS S2 :
Load is connected directly to the Source 2 input (the S4 maintenance switch is in 2
position)
OUTPUT INHIBIT :
This message shows the voltage at the output of STS is shut down. Possible causes of this
message are: Source1 and Source2 are bad, and there is no good source for transfer or non synchron transfer
is disabled.
Restore options : see options menu (Automatic and manual)
EMERGENCY STOP :
This message shows that the external emergency stop signal sensed and the output is
shutdown. To reset STS turn off Source 1 and Source 2 input switches and turn on again.
OVERLOAD INHIBIT:
Overload sensing is enabled and the overcurrent occurred at the output longer than
allowed overload timing. Currently the output of the STS is shutdown.
Restore options :see options menu (Automatic and manual)
Summary of Contents for InfoSTS
Page 45: ...44 Figure 28...
Page 47: ...NOTES...