User Manual

8/90
Building Technologies M-bus System CE1P5361en
HVAC Products 1 System 08.02.2007
1.3 Use
The M-bus system is used for consumption cost billing and remote monitoring of
 community and district heating systems
 multifamily houses
Among other devices, the following types of units can be connected:
 Heat meters SONOHEAT
®
, MEGATRON
®
2, SONOGYR
®
energy*, and
SONOGYR
®
WSD…*
 Water meters VOLUTRON
®
2
 Consumption meters via pulse adapter AEW21.2, Relay PadpulsM1
 Electronic heat cost allocators MEMOTRON
®
2 WHE21*
 District heating controllers SIGMAGYR
®
RVD2… (OZW10 V3.0 or higher, and
OZW111)
 District heating controllers SIGMAGYR
®
RVP97* (only with OZW10 of V3.0 or
higher)
 Consumption meters of the Siemeca™ AMR system can be integrated via WTX16
or WTT16 radio nodes (only with OZW10 of V4.0 or higher):
 Heat meters MEGATRON
®
2
 Water meters VOLUTRON
®
2
 Heat cost allocators MEMOTRON
®
2 WHE26
 Consumption meters via pulse adapter AEW36.2
* Product no longer available, but still supported
1.4 Functions
The M-bus system offers a high level of safety in terms of data transmission and stan-
dard functionality while requiring only a minimum effort for engineering when setting up
the plant:
 Device identification via automatic search run
 Remote operation of plant with the PC, via modem or direct connection
 Acquisition of consumption data
 Remote readout of consumption data via memory card, via display on the M-bus
central unit, or with the PC
 Remote readout and setting the parameters of the control devices
 Visualization of plant diagrams
 Logging and graphic presentation of processes (Trend)
 Identification of device faults and malfunctions
 Delivery of alarms to the display of the M-bus central unit via alarm relay and to a
PC
 Status reports
 One-time or periodic execution of Batchjobs
M-bus meters
M-bus controllers
Siemeca™ AMR