M-Bus-Module WZU-Mx
Installation and Operating Guide
M-Bus-Module WZU-MB / MI
Subject to changes
Page 3 / 10
3.2.2 M-bus module parameterization
In the menu
“Parameterization”
/ submenu
“M-bus module G4”
, the parameters are defined for the
particular module that is plugged in.
For the module types “MB G4” and “MI” the following applies: The parameters become effective as soon as
the meter returns to normal mode, even when the bus voltage is already applied to the module.
The above figure shows the options for setting the parameters of M-bus modules.
Setting the primary address:
Set the primary addresses for „Module 1“ and „Module 2“ respectively
Set the secondary address (= property number of UH50):
Set the shared secondary address for “Module 1” and “Module 2”
Select normal read-out mode or fast read-
out mode for “Module 1” and “Module 2”:
Select the type of representation for the output values:
-
according to EN 13757 Part 3 (“modern”)
- as for the 2nd generation (downward compatible =
default setting at delivery
)
- output with fixed frame according to EN1434-3 (1997)
Identification for medium type:
Defines which medium is referred to in the M-bus telegram, e.g. 04 = heat
Set the user lock:
The user lock disables the execution of certain M-bus commands
Clear user lock:
Enables execution of certain M-bus commands again
Permanently customized value output in normal read-out mode:
For a description, see “Changing M-bus value output permanently“
Permanently customized value output in fast read-out mode:
For a description, see “Changing M-bus value output permanently“
A change to the M-bus primary addresses and the M-bus secondary address in the
“M-bus module G4
” menu is also effective for M-bus modules of the 2nd generation.
