Figure 8 Edit meter
5.3.2.1 Edit meter primary address
Select menu choice 1. Primary address using Up/Down keys and press OK key.
The primary address is used on the wired M-Bus interfaces to access the M-Bus meter using primary
addressing. A valid primary address is between 0 and 250.
Change the primary address of the meter using Up/Down keys and move the cursor using Right/Left
keys.
Accept the changes by pressing OK or cancel by pressing the ESC key.
5.3.2.2 Edit meter encryption key
Select menu choice 2. Encryption key using Up/Down keys and press OK key.
When an encrypted telegram is received, the CMeX50 will check if there is any installed key for this
meter. If not, the CMeX50 will try the default key. If the encryption fails, the telegram will be placed in a
“container” and be sent encrypted. It can be decrypted later in the process. This kind of container
telegram is normally not readable by a standard M-Bus readout software.
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