Technical data

Table Of Contents
SFBs for Compact CPUs
System Software for S7-300/400 System and Standard Functions - Volume 2/2
28-44
A5E00739858-01
Parameters
Parameters Declaration Data
type
Range of
values
Default Description
EN_R
INPUT BOOL TRUE/FALSE FALSE Control parameter "Enable to
receive":
Receive enable
R
INPUT BOOL TRUE/FALSE FALSE Control parameter "Reset".
Job is aborted.
LADDR
INPUT WORD CPU specific W#16#03FF The I/O address of your
submodule, specified by you in
"HW Config".
NDR
OUTPUT BOOL TRUE/FALSE FALSE Job done without error, Data was
accepted
1st FALSE Job has not been
started or is still being
executed
2nd TRUE Job was completed
successfully.
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.
RD_1
INPUT/
OUTPUT
ANY CPU specific 0 Receive parameter:
Here you declare:
The number of the DB in
which the received data are to
be stored.
The data byte number as of
which data are to be stored.
for example: DB 20 as of byte 5 ->
DB10.DBB2
LEN
INPUT/
OUTPUT
INT 0 to 1024 0 Output of the data length (number
of bytes)