User’s Manual WM3M4 &WM3M4C
UTC time use: Energy meter has three time presentations: RS485 communication, LCD display,
JSON transaction.
Figure 20: UTC time use
Synchronisation timeout: maximum time to be waited (in milliseconds) until the object to be
tested has adopted the expected state. The time to be waited between the attempts is
included.
Digital signature format: the energy meter supports ASN.1 and 64 signature format (valid only
for WM3M4C).
Figure 21: Digital signature format window