Siemens SENTRON 3WA - Page 57

PROFINET IO
6.3 Metering values, addressing und data traffic
3WA Air Circuit Breaker Communication
System Manual, 11/2021, 92310000004-02
55
Binary status information
The table below contains a description of the binary status information in the cyclic frame:
Byte
Bit
Value
3WA circuit breaker
n
0 / 1
0 … 3
Position of the circuit breaker in the guide frame
0
Disconnected position
1
Connected position
2
Test position
3
Circuit breaker not available
2 / 3
0 … 3
Status of the circuit breaker
0
Not used
1
Open
2
Closed
3
Circuit breaker has tripped and is open
4
–
Ready-to-close
5
–
Undervoltage release charged
6
–
Stored-energy spring is charged
7
–
Overload warning is pending (overload protection is active)
n + 1
0
–
An activated threshold has been exceeded
1
–
A warning message is pending
2
–
Write protection not active, remote changes allowed
3
–
–
4 / 5 / 6
0 … 7
Reason for last trip
0
No trip or last trip acknowledged
1
Overload protection, long-time delayed (L tripping)
2
Instantaneous short-circuit protection (I tripping)
3
Short-time delayed short-circuit protection (S tripping)
4
Ground-fault protection (G tripping)
5
Extended protective function trip
6
–
7
–
7
–
–