Data Sheet for Product

16
Smart Infrastructure
CE2N5324en
2021-03-
19
A suitable device can be used to receive and evaluate the pulses. Enter the settings in ac-
cordance with the controller’s data sheet.
Linear pulses are provided proportionally to the measured value. In the case of scaled puls-
es, the number of pulses at the upper and lower end of the range can be defined. In this
case, the pulse receiving device can detect a wiring error, for example.
Linear pulses Scaled pulses
Display on LCD CE, C2, CV, CT or RI
Connection of outputs
(standard version):
M-Bus modules
WZU-MBG4
WZU-MI
Function description
The M-bus modules (WZU-MB G4 and WZU-MI) are used by the meter to communicate with
an M-bus central unit to transmit measured values.
With the 2 M-bus modules, the secondary address is identical for both modules. It can be ad-
justed on the device using the module on slot 1 or via M-bus.
The data on the M-bus module is refreshed every 15 minutes.
A shorter sampling cycle can be set using the UltraAssist software.
The modules are available in 2 different versions:
WZU-MB G4
M-bus module for heat and heat/cooling energy meters, generation
4, recommended as of firmware 5.15 per EN 13757 and EN 1434-3.
WZU-MI
M-bus module with 2 pulse inputs for heat and heat/cooling
energy meters, generation 4, recommended as of firmware 5.15 per
EN 13757 and EN 1434-3.
Pulses
n
0 q
Flow rate
Pulses
nmax
0 100%
Flow rate
nmin
12%