A meter can have several logicalĭevices in one physical meter (mostly its just one) so the server_logical_address is These addresses are reffered as logical addresses. You will need to use the management client Via the public_client of the meter to read non sensitive data but for reading current and historical values Most meters have at least two association options. ![]() Here are some values we have gathered: Manufacturer This is not something that is standardized, and you might have to try different values ![]() When using HDLC you will need to know the physical address to use in HDLC communications. IEC62056-21 Find out how to address your meter. Meters have it this way to enable users to still read the meter via the optical port Initiation sequence before you can start the HDLC session. When you have a meter using IEC62045-21 you need to start with an IEC62056-21 This library, as of now, just supports the direct HDLC enabled meters. ![]() Is your meter using direct HDLC or IEC62056-21 Mode E handshake? # Usually each meter manufacturer also sellsĪ variant, but they can be a bit pricey, however they are usually of good quality. You will need an optical probe to read the data, like these ones. The simplest way to start reading data from your meter is via the optical port. Connect to your meter # Get an optical probe #
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