Siemens Simatic S5 Operating Instructions Manual page 12

Putting into operation
Connect mains c a b l e and check mains
v o l t a g e .
Important: Keep v e n t i l a t i o n s l o t s f r e e !
Switch mains switch t o p o s i t i o n
I .
Display:
S t a t e of execution of PU631 system-
software.
Message **9 (backup-timeexceeded)
i f
u n i t was switched-off f o r more than
1/2 hour.
C a l l f u n c t i o n s e l e c t i o n menu with
\
Select PC type
I n i t i a l condition a f t e r switching on:
"55-1
1 0 A "
Select operating mode
P U i n o f f - l i n e mode (without PC)
P U i n on-line mode, P C with PC-memory
When u s i n g P C S5-llOA/ 010, t h e
o p e r a t i n g mode 21, i . e . "PU i n on-line
mode, PC w i t h PC-memory" is n o t
p o s s i b l e .
P U i n on-line mode, P C with
PU-memory
.
I n i t i a l c o n d i t i o n a f t e r switching on:
L . . , )
"PU i n o f f - l i n e mode".
1 ) I f no EPROM-module has been plugged i n t o
mode of t h e PU, t h e o p e r a t i n g mode s e l e c t
t o "STOP".
a P C 55-130, then i n t h i s o p e r a t i n g
:or switch of t h e P C must be switched