Technical data

SFBs for Compact CPUs
System Software for S7-300/400 System and Standard Functions - Volume 2/2
28-50 A5E00739858-01
Parameters Declaration Data
type
Range of
values
Default Description
DONE
OUTPUT BOOL TRUE/FALSE FALSE Status parameter (This
parameter is only set for the
duration of one call):
1. FALSE Job has not been
started or is still being
executed.
2. TRUE Job has been
executed error-free.
ERROR
OUTPUT BOOL TRUE/FALSE FALSE Status parameter (This
parameter is only set for the
duration of one call):
Completed job without error
STATUS
OUTPUT WORD W#16#0000 to
W#16#FFFF
W#16#0000 Status parameter (This
parameter is only set for the
duration of one call): To
display the status, you should
copy STATUS to a free data
area)
STATUS has the following
meaning, dependent on the
ERROR bit:
• ERROR=FALSE:
STATUS has the value
W#16#0000: Neither the
warning nor the error
STATUS have the value
<> W#16#0000:
Warning, STATUS
supplies detailed
information.
• ERROR=TRUE:
An error has occurred,
STATUS supplies
detailed information on
the type of error.
SD_1:
INPUT/
OUTPUT
ANY CPU specific 0 Send parameters:
Here you declare:
• Th number of the DB
from which the data are
to be transmitted.
• The data byte number as
of which data are to be
transmitted.
for example: DB 10 as of byte
2 -> DB10.DBB2
LEN
INPUT/
OUTPUT
INT 1 to 1024 1 Here you declare the length
of the data block that is to be
transmitted. (Length is set
here indirectly.)