Siemens SINAMICS Configuration Manual page 92

Communication
A.1 Communication
Plugged hardware interface
CU320-2 PN with CBE20 (optional PROFINET in‐
terface)
CAN option CBC10
Parameter p8839[0,1] is used to set the parallel operation of the hardware interfaces and the
assignment to the cyclic interfaces IF1 and IF2 for the Control Unit drive object.
The order of objects is in line with p0978 (list of drive objects) for both interfaces.
The factory setting of p8839[0,1] = 99 enables the implicit assignment (see table above).
An alarm is generated in case of invalid or inconsistent parameterization of the assignment.
Note
Parallel operation of PROFIBUS and PROFINET
Either isochronous mode or the PROFIsafe functionality can be assigned to an interface via
p8815 (IF1 or IF2).
Example:
● p8815[0] = 1: IF1 supports isochronous mode.
● p8815[1] = 2: IF2 supports PROFIsafe.
Additional parameter assignment options are possible if additionally the PROFINET module
CBE20 is inserted in the CU320-2 DP:
● p8839[0] = 1 and p8839[1] = 2: PROFIBUS isochronous, PROFINET cyclic
● p8839[0] = 2 and p8839[1] = 1: PROFINET isochronous, PROFIBUS cyclic
Parameters for IF2
The following parameters are available in order to tune the IF2 for a PROFIBUS or PROFINET
interface:
● Receive and send process data:
r8850, p8851, r8853, r8860, p8861, r8863
● Diagnostic parameters:
r8874, r8875, r8876
● Binector-connector converters:
p8880, p8881, p8882, p8883, p8884, r8889
● Connector-binector converters:
r8894, r8895, p8898, p8899
Meaning of 88xx is identical to 20xx (for IF1)
1)
Note
Using the HW Config configuration tool, a PROFIBUS slave/PROFINET device with two
interfaces cannot be shown. In parallel operation, this is why a SINAMICS drive appears twice
in the project or in two projects, although physically it is just one device.
92
1)
1)
1)
IF1
Control Unit onboard
PROFINET
Control Unit onboard
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Configuration Manual, 08/2017, A5E36912609A
IF2
COMM BOARD PROFI‐
NET
COMM BOARD CAN
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