Samson TROVIS 5474 Mounting And Operating Instructions page 72

Communication
The meters can be read either automatically approx. every 24 hours (24h), continuously (con) or
when the coils (= Modbus data points) assigned to the heat meters WMZ1 to WMZ3 are written
with the value 1 over the system bus interface (CoiL).
In InF9 info level, "1434" is displayed when the meter bus is activated. Press the enter key to get
to the display referring to the meter bus. For each of the three heat meters whose address is
not 255, "buSi" (with i = 1, 2, 3) appears. Press the enter key again to display the following in-
formation about the associated heat meter:
4
Flow rate (d, cm/h)
4
Volume (U, cm³)
4
Output capacity (P, kW)
4
Energy (A, Mwh, GJ)
4
Flow temperature (b, °C)
4
Return flow temperature (b, °C)
4
Meter ID number (L without enter key, H with enter key)
4
Meter bus address (sent by WMZ) (A, –)
Blinking values in combination with black squares in the top row of the display (fault status of
the associated meter –> TV-SK 6311) indicate different faults.
Note!
With reading mode "24h", the displayed values are not updated by reading the status informa-
tion again; the values read during the last cycle remain unchanged.
With reading mode "con, the values in the levels are not continuously updated. Reopen the spe-
cific level to get current values.
Function
Meter bus
72
EB 5474 EN
WE Configuration
OFF Co9 -> Fb21 = ON, Fb22 = ON, Fb23 = ON
255 Meter bus address for WMZ 1 to 3 / 0 to 255
1434 Model code WMZ 1 to 3 / P15, PS2, 1434, CAL3, APAtO, SLS
con Reading mode WMZ 1 to 3 / 24h, con, CoiL