User Manual
Siemens Building Technologies VISONIK DCS Functions and System Messages VVS18 CM2U8567E / 04.1998
Landis & Staefa Division Function BOOT 2-9
2.3 BOOT System BOOT
Function "BOOT" is an abbreviation for "Bootstrap" to describe the operation of pulling
up (starting up) a system from scratch.
"BOOT" is a small program held in non-volatile memory, protected against power failure.
2.3.1 Initial Access and Handling
Function BOOT is opened through Ctrl/P followed by input of the name "BOOT"
After "BOOT" a separating comma must be entered followed by a specifier for the type
of 'Boot' (if necessary).
Function BOOT is reserved for System Managers only.
2.3.1.1 BOOT Types
Specifying a Boot type in Function BOOT will call up utility programs or certain system
information together with a normal system start.
ctrl/P
T1 14:32:12 Function =PNT : BOOT,x
"x" in the example stands for Boot type
The following Boot types are incorporated in the system:
(no Help mode!).
Blank
Halts the system then automatically makes an immediate restart.
For this operation the user must enter BOOT followed by <CR>. The syntax is: BOOT
<CR>.
Halt VISONIK DCS
After BOOT,D the DC Server is in DILO which is a sub-function in off-line mode and
means "Disk LOad".
In DILO the DC Server can be started as follows:
x <CR> (Exit to Main)
b <CR> (Boot)
<CR> (no boot parameter)
Verify Catalogues
Causes a system halt and automatic restart.
Before going "on line" important data files on disk are given a plausibility check and
errors corrected (if possible). Besides this, certain switch command outputs are updated
depending on conditions, and are brought to the same status as the peripheral plant.
(see at point type DO).
BOOT,V is mainly required for backup of "old" versions.
The verifications that were additionally made in earlier versions with BOOT,W, have
now been integrated in BOOT,V.
This boot type
must
be selected after each new program take-over!
BOOT
BOOT,D
BOOT,V