Scan System Bus Components; Define Function Of System Bus Components - Rehau NEA SMART 2.0 Service Manual

7.5.7

Scan system bus components

Sysbus scan checks all system bus members:
Fig. 7-14 Webpage: Sysbus scan
The result is shown on this page. The graphic on the right side show
the setting of the DIP switches of the system bus address.
Fig. 7-15 Webpage: Sysbus scan, DIP switches
If there is a mismatch between what has been defined and what has
been found, you'll get an error message.
- Check the correct number of components you have defined
- Check address switch settings
- Check the SYSBUS and ZOBUS led's of all components
Note:
SYSBUS led is blinking only when SYSBUS is active, to verify this,
you have to ask somebody to start the scan several times
- Switch power off and check bus cabling
60
7.5.8

Define function of system bus components

In this example, there are 2 U-modules, one of them has to be used
for the mixed circuit.
U-Module1 (address 00) shall be used for the mixed circuit, U-Module2
(address 04) is used for 2 dehumidifiers.
The term "Dehumidification n 1" means the 1st group of dehumidifiers
Fig. 7-16 Webpage: U-Module configuration, dehumidification