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POS-123-P-PFN
7.7 Parameterisation via Profinet
Preliminary remark:
If you use an S7 controller configured with TIA Portal, we offer a free and very powerful function block for re-
mote parameterisation via the PLC. There is a separate manual for this.
The following description shows an alternative procedure that can be implemented with any control system.
7.7.1
Procedure
Preparation:
-
Power supply of the different sections has to be available.
-
For safety issues the system should not be active.
If active, the ENABLE bit in the control word has to be reset.
Attention:
Parameterisation via fieldbus can also be done having an active system. In this case it
should be done very carefully because changes are directly operative.
Parameterisation :
-
At first the
PARA MODE
bit has to be set to enable parameterising via ProfiNet.
This will be reported via the
PARA ACTIVE
bit.
-
Provide
address
and new
value
of the parameter which should be changed.
-
Setting the
PARA VALID
bit to high will transmit the data.
The
PARA READY
bit will report a successful parameterisation .
Attention:
A missing
para ready
bit means parameterisation was not performed.
Storing:
-
Same procedure as parameterising standard parameters.
-
Selecting
2100
as
address
, written
value
does not matter (below 60000).
Password protection:
-
If a password was set this has to be entered first for enabling parameterisation . Procedure is the
same as if parameterising standard parameters.
-
Select
2200
as
address
and send the password (PASSFB) as
value
.
-
After
PARA READY
reports success, subsequently parameterising can be done as long as
PARA
MODE
stays active. If is reset, the protection becomes active again. This means, in order to change
more parameters after setting
PARA MODE
first the password itself needs to be send. See above.
If the password was transferred incorrectly three times, the parameterisation mode gets locked (re-
ported by deactivated
PARA ACTIVE
bit). Only restarting the device enables three new attempts.
Please note that a storage of the parameterisation via Profinet is limited in the number of writing cy-
cles. This means it should be done only when necessary.
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