Siemens SIMATIC Box PC 820 - Page 109

3-3
Box PC 820 / PC FI45 V2, Manual
A5E00051531-03
3.2.1 Description of the Keywords
The following nomenclature applies to the description of the keywords and their
syntax below:
KEY Keyword is printed in bold
param[n] Parameter, a hexadecimal number from 00 to FF
TEXT Any sequence of characters (e.g. comment)
< Introductory character for direct key parameter
> End character for direct key parameter
[ ] Optional entry
SYSTEM FLAG param [; TEXT]
Global settings. This enables you, for example, to lock the auto-repeat function.
The following functions can be set via param:
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Internal,
must be 0
1: only one
key must
be pressed
at the same
time
Internal,
must be 0
1: ESC af-
ter RESET
Internal,
must be 0
0:
Auto-repeat
locked
1: LED
outputs for
control
purposes
Internal,
must be 0
0: N-Key
Rollover
0: no ESC
after
RESET
1:
Auto-repeat
possible
0: LED for
CPS, NUM,
SCROLL
BEEPLEN param [; TEXT]
Duration of beep sound in 1/60 of a second. Value range from param: 00 to 3F
hex. param=00: no beep sound
ENTPRELL param [; TEXT]
Duration of debounce time in 1/60 of a second. Value range from param: 00 to 3F
hex.
Keyboard Controller (PC FI45 V2)
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