Siemens SINAMICS Configuration Manual page 204
Industrial security, medium-voltage converter
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- Equipment manual (104 pages) ,
- Quick install manual (2 pages) ,
- List manual (1976 pages)
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Communication
A.1 Communication
● Load distribution of drives coupled through a material web
● Master/slave function for infeed units
● Links between SINAMICS DC-MASTER and SINAMICS converter
Requirements
The following preconditions must be fulfilled to operate SINAMICS Link:
● One CBE20 must be inserted for each drive object.
● In isochronous mode (p8812[0] = 1), the bus cycle time (p8812[1]) must be an integer
multiple of p0115[0] (current controller clock cycle).
● In isochronous mode, the current controller cycle must be set to 125 µs, 250 µs, or 500 µs.
One clock with 400 µs is not permitted. For 400 µs, alarm A01902[4] is output. As
countermeasure, set the current controller cycle with p0115[0] to 500 µs.
Send and receive data
The SINAMICS Link telegram contains 32 indices (0...31) for the process data (PZD1...32).
Each PZD is precisely 1 word long (= 16 bits). Indices that are not required are automatically
filled with zeros. There is always a fixed assignment between the index and PZD: The index i
corresponds to PZD i+1.
Index
0
1
PZD
1
2
SINAMICS Link telegram content, Part 1
Index
16
17
PZD
17
18
SINAMICS Link telegram content, Part 2
Each transfer cycle, every SINAMICS Link node can send 1 telegram with 32 PZD. Each node
receives all of the telegrams that are sent. For each transfer cycle clock, a node can select
and process up to 32 PZD from all telegrams that have been received. Single words and double
words can be sent and received. You must write double words in two consecutive PZDs.
Limitations:
● In a telegram, a PZD may only be sent and received once. If a PZD occurs more than once
in a telegram, then Alarm A50002 or A50003 is output.
● It is not possible to read in your own send data. SINAMICS S then initiates the
corresponding alarms. The following alarms are possible:
– A50006: It is parameterized that own data sent can be received. This is not permitted.
– A50007: The send telegram word is larger than possible in the project.
– A50008: The receive telegram word is larger than possible in the project.
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Configuration Manual, 08/2017, A5E36912609A
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Industrial Security
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