CARLO GAVAZZI DCT1 Serie Manual Del Usuario página 10

Modbus RTU versions
In EC versions with Modbus RTU port, in addition to the standard Modbus map, DCT1 provides an additional set of data, including
a 256-bit (S2 version) or a 384-bit (S3 version) signature.
Step
S2
S3
SML version
The SML version is available only with 384-bit signature.
Run-hour meters
DCT1 provides 3 run-hour meters:
Run-hour meter
Run hour meter (kWh+)
Run hour meter (kWh-)
Run hour meter (ON time)
10 DCT1 - User manual | 22/06/2023 | CARLO GAVAZZI Controls SpA
Increases...
when the power is positive and the current above I_tr
when the power is positive and the current below -I_tr
always when DCT1 is ON.
Signature
256-bit
384-bit
Description
256 bit ECDSA SHA 256, using curve
brainpoolP256r1
384 bit ECDSA SHA 384, using curve
brainpoolP384r1