Set The Profisafe Parameters - Festo CPX-F8DE-P Manual

3. Commissioning
3.6

Set the PROFIsafe parameters

PROFIsafe General description
parameters
F_Check_iPar Establishes whether the indi­
vidual device parameters (CPX
module parameter) should be
taken into account in the con­
sistency check (CRC calcula­
tion) of the F-user data tele­
gram.
F_Check_SeqNo Establishes whether the sequence
number should be taken into
account in the consistency check
(CRC calculation) of the F-user
data telegram.
F_SIL Safety integrity level (SIL)
which is expected by the mod­
ule.
F_CRC_Length Communicates the expected
length of CRC2 key to the
F-Host in the safety telegram.
F_Block_ID Shows if the data record for the
value of F_iPar_CRC has been
extended by 4 bytes. The para­
meter F_Block_ID has a value
of 1 if the parameter
F_iPar_CRC is present, other­
wise it has a value of 0.
Festo P.BE-CPX-F8DE-P-E N en 1610a English
PROFIsafe-specific parameters can be viewed or set with the
configurator of the F-Host (e.g. HW Config). These are desig­
nated after the PROFIsafe profile in the GSDML/GSD file. As a
result, access is possible only after the password is entered in
the F-Host.
The function mode is set via the output data on the process
image è Chapter 1.2.3.
For CPX-F8DE-P, the fol­
lowing apply:
– CPX-F8DE-P makes no indi­
vidual device parameters
available.
– CPX-F8DE-P supports only
the V2 mode. The se­
quence number is always
incorporated in V2 mode
in the CRC2 test.
– CPX-F8DE-P supports the
SIL 3 requirement.
– This parameter cannot be
CPX-F8DE-P changed
because the CRC2 key is
always allocated 3 bytes.
– CPX-F8DE-P makes no indi­
vidual device parameters
available.
Value
– No check
(cannot be
altered)
– Check
(not
changeable)
– SIL 3
– 3 -byte CRC
(cannot be
altered)
– 0
(not
changeable)
3-7