Application of the Function Block
5–45
IP244
C79000–B8576–C861–02
4 Technical Data
Programmable controller S5-115U
all CPUs
except 945
S5-115U
CPU 945
S5-135U
922, 928,
928B
S5-155U
946/947,
948
Block number FB 162 FB 162 FB 162 FB 162
Block name PER:TREG PER:TREG PER:TREG PER:TREG
Library number
(P71200-S...)
-5162-D-3 -3162-A-2 -9162-D-3 -6162-D-3
Call length (words) 15 15 15 15
Block length (words) 1746 1788 1504 1637
Nesting depth 0 1 (1) 0 (1)
Assignment in data area
Alternative DBs
DB-A:
DB-B:
DB-C:
DB-A’:
DB-C’:
up to DW255
up to DW203
up to DW223
up to DW223
up to DW223
inclusive
inclusive
inclusive
inclusive
inclusive
Assignment in (2)
flag area
From FY 208
to FY 255
From FY 208
to FY 255
From FY 208
to FY 255
From FY 208
to FY 255
Assignment in (3)
system data area
– – From RS 60
to RS 61
–
Other: (4) – (4) (4)
(1) Special operating system functions are called which are counted as normal
block calls.
(2) The flags are only used as buffers. Outside the function block they are
freely available.
(3) The system data are only used as buffers. Outside the function block they are
freely available.
(4) In the function block, interrupts and timed interrupts are at times blocked by the
commands AS/AF or by PLC special functions. This means that a user
programmed ”interrupt inhibit” may be cancelled again.
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