Siemens SENTRON 3WA - Page 61

PROFINET IO
6.3 Metering values, addressing und data traffic
3WA Air Circuit Breaker Communication
System Manual, 11/2021, 92310000004-02
59
Basic type 5
Basic type 5 comprises six data blocks which are preassigned for a 3WA circuit breaker with
metering function. Here only the average voltage values are transmitted.
The predefined data blocks cannot be modified.
Byte
Definition
Default
0...3
Data block 1
Current in phase 1 (float)
4...7
Data block 2
Current in phase 2 (float)
8...11
Data block 3
Current in phase 3 (float)
12...15
Data block 4
Max. current in phase under highest load (float)
16...19
Data block 5
Current in neutral conductor (float)
20...23
Data block 6
Active energy import (float)
Basic type 6
Basic type 6 comprises seven data blocks containing metering values. These are preassigned
such that unmodified use is only meaningful with a 3WA circuit breaker with metering
function.
The predefined data blocks cannot be modified.
Byte
Definition
Default
0...3
Data block 1
Current in phase 1 (float)
4...7
Data block 2
Current in phase 2 (float)
8...11
Data block 3
Current in phase 3 (float)
12...15
Data block 4
Max. current in phase under highest load (float)
16...19
Data block 5
Current in neutral conductor (float)
20...23
Data block 6
Total active power (float)
24...27
Data block 7
Total reactive power (float)
Basic type 7
Basic type 7 comprises seven data blocks containing metering values. These are preassigned
such that unmodified use is only meaningful with a 3WA circuit breaker with metering
function.
The predefined data blocks cannot be modified.
Byte
Definition
Default
0...3
Data block 1
Current in phase 1 (float)
4...7
Data block 2
Current in phase 2 (float)
8...11
Data block 3
Current in phase 3 (float)
12...15
Data block 4
Max. current in phase under highest load (float)
16...19
Data block 5
Current in neutral conductor (float)
20...23
Data block 6
Active energy import (float)
24...27
Data block 7
Total power factor (float)