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Blocks and Their Functions
Table 9-10. Calling and Parameter Assignments of FB252
Parameter
Meaning
AUFT
Number of test
component
TYP
Relevant only if
AUFT = 02
tested RAM area,
in which the specified
STEP 5 object lies
NR
Relevant only if AUFT
= 02
and block (OB to
H
DB) specified with TYP
or
AUFT = 0F
9-18
Type
I/BY
I/W
H
I/BY
H
Assignment
00
- CPU
H
01
- Operating system comparison
H
02
- RAM with STEP 5 objects
H
03
- Onboard DI
H
04
- Onboard DQ
H
05
- Onboard interrupt
H
06
- Onboard counter
H
07
- External I/Os, DI
H
08
- External I/Os, DQ
H
09
- Processor RAM
H
0A
- Memory submodule
H
0B
- Power failure routine
H
0C
- Scan time monitor (watchdog)
H
0D
- Load voltage failure routine
H
0E
- Logical program counter
H
0F
- Short-circuit test
H
T
= Timers
C
= Counters
F
= Flags
PI
= Process image tables
OB = Organization blocks
PB = Program blocks
SB = Sequence blocks
FB = Function blocks
DB = Data blocks
For AUFT = 2 and TYP = B (block)
0 to 255 = Block number
For AUFT = 0FH (short-circuit test)
Bit mask for byte number
STL
: JU FB 252
NAME : AGF:TEST
AUFT :
TYP
:
NR
:
BED
:
EINZ :
PAFE :
Test DQ
Q 33.0
Q 33.1
Q 33.2
Q 33.3
Q 34.0
Q 34.1
Q 34.2
Q 34.3
EWA 4NEB 812 6210-02
S5-95F
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