While working with the meter I want to get information about invocation counter and server behavior.
1. What could be the behavior of server if we send the connection request in wrapper interface with different invocation counter value which server device have. Is server should respond with error or the communication continues?
2. Is there any condition when client is sending the request but server will not respond? ? If No is it mandatory that server should respond with some status code or success data?
Hi, 1. This depends on the…
Hi,
1. This depends on the meter model. The newer meters returns usually an error.
2. The meter doesn't reply if one of the settings are different that the meter expects.
BR,
Mikko
In mine case the meter is…
In mine case the meter is not responding anything. But when i request with greater invocation counter value it starts responding.
Is there any security breach if meter start respond with lower invocation counter value?
Hi, Most meters return an…
Hi,
Most meters return an error if the call counter is too low. You must read the IV counter from the meter before establishing a secured connection.
BR,
Mikko