Essential information
Frame available according to the EM24 model:
Frame type
1
2
3
4
rror flag
Encryption
To ensure data privacy and prevent data access by unauthorized parties, you can enable M-Bus wireless communication data encryption.
Security profiles
Two security profiles are available:
• Security profile A (ENC-Mode 5)
• Security profile B (ENC-Mode 7)
Encryption key
The encryption key is uniquely associated with each device. The key is included in a sealed envelope contained in the package of EM24.
IMPORTANT:
KEEP THE ENCRYPTION KEY. In case of loss, it is not possible to recover the key and the tool can be used only without cryptography.
Frontal LED and selector
Frontal LED
The frontal red LED flashes proportionally to the active imported energy consumption if the selector is in
energy consumption in kvarh
Frontal selector
• Lock
position: the frontal selector prevents from accessing the programming mode of measurement parameters.
• 1, 2, kvarh
position: quick access to measuring pages. Each position is associated with one measuring page.
Note: in MID versions the position in sealed in Lock
16
EM24 W1 - Instruction manual | CARLO GAVAZZI Controls SpA
"X" models
X
X
X
X
position. Any kind of negative (exported) energy will not be managed by the front LED.
.
"PFA" models
X
X
X
- 1 - 2 position, and to the reactive inductive
"PFB" models
X
X
X
X