PROFINET IO
6.3 Metering values, addressing und data traffic
3WA Air Circuit Breaker Communication
System Manual, 11/2021, 92310000004-02
49
6.3 Metering values, addressing und data traffic
6.3.1 Metering values
Metering values
The metering values and status information of the 3WA circuit breaker are made available to
the higher-level power management system or automation system via PROFINET.
PROFINET provides the following options:
• Cyclic RT data traffic
• Acyclic RT alarm messages
• Acyclic data traffic
Information on metering values
The metering values include, for example:
• Metering values
• Maximum/minimum values of the metering values
• Energy values
The status information includes, for example:
• Open/closed status of the circuit breaker
• Stored energy mechanism charged status
• Ready-to-close status
• Status of the IOM inputs/outputs
You can find more information on the metering values under Modbus register for the 3WA air
circuit breaker (https://support.industry.siemens.com/cs/ww/en/view/109794278
).