User Manual
7. Description of the commands
7−21
Festo P.BE−SPC200−EN en 0901d
7.2.5 Flag Fn
In the SPC200 64 flags can be used for controlling the
program sequence. They have the identifier Rn {n=0...63},
are 1−bit variables and can accept the values 0 or 1.
Flags are saved remanently, i.e. they are saved in the event of
Power−off and loaded back into the work memory with
Power−on.
The
flags can be read and overwritten with the MMI and
WinPISA.
The flags can be modified within a program or via the field
bus
1)
, i.e. they can be read and overwritten.
1)
For PROFIBUS this applies only as from operating system
version 4.63 together with the PROFIBUS software ver
sion2.0. For DeviceNet as from operating system 4.90 to
gether with the software version as from 2.01 (DN2). Inter
bus does not permit this feature.
The flags are used in conjunction with the following NC com
mands
for influencing the program sequence.
NC
command
Function Register
contents
As from operating
system version
#S Set flag 1 3.8
#R Reset flag 0 3.8
#T Test flag 1 or 0 3.8
#TN Test flag 1 or 0 3.8
New feature
as from OS 4.63