32 / 244
Siemens Standard application AHU CE1P3977en_02
Building Technologies Hardware overview 01.02.2010
No Room unit parameter/description
006
geographic address room (1.X.1).
Numbering range for room: 1...14.
Default value set to 1.
007
geographic address sub zone (RW)(1.1.X).
Numbering range for sub zone: 1...15.
This value must be changed from default 1 to 2 for two room units on the
same controller.
008
¨
Network error recognition on/off (RW).
Parameter to turn on/off the network error recognition function, with
0 = off (P__ is displayed when no data frames are received in the last 70
seconds and the function is turned on).
1 = On.
NET flashes, when no data frames are received over the past 70 seconds
and the function is turned on.
Timeout
Network error recognition during parameter initialization: 30
seconds.
009
Automatic assignment of individual addresses on/off (RW).
0 = The room unit uses the unit devices as a fixed assigned individual ad-
dress.
1 = Automatic addressing on the process bus
The room unit changes as required (e.g. for address conflict on the
process bus) the individual address via DAA mechanism (Detect And
Avoid mechanism)
Default value 1 = automatic addressing
When the controller sends an alarm to the room unit, the
• Alarm is displayed
• Depending on parameterization, the alarm number, including the grouping, flash-
es, or only the alarm is displayed
A = Alarm switched off,
B = Normal alarm,
C = Warning
Details see
19.6 – Alarm lists and 9.5 – Communication room unit
Alarm display
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 32
To Next Page
Loading...
