Siemens SENTRON PROFINET Proxy SPP2000, Manual

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Data traffic
6.2 Cyclic data traffic
PROFINET Proxy SPP2000
Equipment Manual, 03/2022, L1V30814715D-01
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6.2.2 Basic type 1
Structure
The structure of basic type 1 is fixed. The length of basic type 1 is 20 bytes of input data and
2 control bytes (output data). The following information is transferred in basic type 1.
Table 6- 1 Structure of basic type 1
Byte Data value Format Unit
0 ... 3 Status information Unsigned long —
4 ... 7 Current L1 Float A
8 ... 11 Current L2 Float A
12 ... 15 Current L3 Float A
16 ... 19 Total active power Float W
6.2.3 Basic type 2
Structure
The structure of basic type 2 is fixed. Basic type 2 is 24 bytes long.
Basic type 2 is an extension of basic type 1. This means that you can easily add basic type 1
and basic type 2 during the project design phase. You can also use basic type 2 as a separate
unit.
Table 6- 2 Basic type 2 transfers the following input data
Byte Data value Format Unit
0 ... 3 Voltage L1-L2 Float V
4 ... 7 Voltage L2-L3 Float V
8 ... 11 Voltage L3-L1 Float V
12 ... 19 Active energy import tariff 1 Double Wh
20 ... 23 Total power factor Float —