01.91
5 Configuring
5.19 FB 199 First in first out (milling version)
5.19
FB 199 FIFO
First in first out (milling version)
for SINUMERIK 880/880 GA2 and package 2 only
Description
With the "FIFO" FB, data that are acquired in quick succession can be stored in a data buffer.
Afterwards, these data can be read as required. A maximum of 255 data lines can be stored
by means of this block. The DBs for the buffer entries are generated.
DW 0
DW 1
DW n
DBSP
DBSP+1
DBSP+2
Write/read
pointer
Number of entries/
status word
EW1/QW1
EW2/QW2
EW3/QW3
:
:
:
:
:
:
:
:
:
EW1/QW1
EW2/QW2
EW3/QW3
Block data
Lib. No.
: E88530-B-5599-A
FBs to be loaded
: FB 199
DBs to be loaded
: None
Type of FB call
: Unconditional
DBs to be input
: None
Error messages
: None
Block call FB 199
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a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
FB FIFO
$I, W
EW 1
VOLL
Q, BI
$I, W
EW 2
LEER
Q, BI
$I, W
EW 3
AW 1
Q, W
$I, BY
ANEI
AW 2
Q, W
$I, BY
DBSP
AW 3
Q, W
I, BI
EINL
I, BI
AUSL
I, BI
LOES
F 2.1
GST
Signal descriptions
EW 1... Input channels
EW 3
The input channels contain the errors that are to be buffered (three words in parallel).
© Siemens AG 1991 All Rights Reserved 6FC5 197-0AA40-1BP1
5–83
SINUMERIK 840/880 (PJ)