Bus Loading Number; Heat Demand Output Dc 0 - Siemens RVL471 Basic Documentation

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HVAC Products
Display Bus power supply
SET 0 Bus power supply is central (no power supply via controller)
SET A Bus power supply is decentral via the controller
ACTUAL 0 Presently no bus power supply available
ACTUAL 1 Bus power supply presently available
The word BUS appears on the display only when the bus address is valid and when
bus power supply is available. This means the display indicates whether or not data
traffic via the data bus is possible.
25.5.5

Bus loading number

The bus loading figure E for the LPB of the RVL471 is 7. The total of all E-numbers of
the devices connected to the same bus may not exceed the limit of 300.
25.6 Heat demand output DC 0...10 V
Operating line 181 is described in section "27.2.2 Heat demand signal
Basic Documentation RVL471
25 Function block "Service functions and general settings"
CE1P2524E
23.10.2002