Siemens SINUMERIK 840 Planning Manual page 156

01.91
Block call FB 199
$I, W
$I, W
$I, W
$I, W
$I, BY
$I, W
I, BI
I, BI
I, BI
F 2.1
Signal descriptions
EW 1... Input channels
EW 4 The input channels contain the entries that are to be buffered (four words in parallel).
ANEI Number of entries
Maximum permissible number of entries.
DBAN First data block and number of data blocks
Specification of the first DB of a total of three DBs, or four DBs, for the data entry.
Format: High byte : Data block No.
Low byte
EINL Read in
The positive-going edge of the parameter triggers the entry of the values present at
the input channels into the buffers.
AUSL Read out
At the positive-going edge of the parameter, the entries are read out via output chan-
nels AW 1...4.
LOES Delete
All buffer entries in the buffer DBs are deleted at the positive-going edge of the para-
meter.
VOLL Message issued if the buffers are full.
LEER Message issued if the buffers are empty.
AW 1... Output channels contain those buffer entries that are read out according to the FIFO
AW4 principle.
GST Initial setting
Generating the buffer DBs DBSP...DBSP+3
© Siemens AG 1991 All Rights Reserved
SINUMERIK 840/880 (PJ)
FB FIFO
EW 1 VOLL
EW 2 LEER
EW 3 AW 1
EW 4 AW 2
ANEI AW 3
DBAN AW 4
EINL
AUSL
LOES
GST
: Number of data blocks (3 or 4)
6FC5 197-0AA40-1BP1
5.22 FB 199 First in first out (turning version)
Q, BI
Q, BI
Q, W
Q, W
Q, W
Q, W
5 Configuring
5–95