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Siemens Standard application AHU CE1P3977en_02
Building Technologies Detail pages: Inputs and outputs 01.02.2010
6.2.3 Special information
• Read: Levels 6, 4 and 2.
• Write: Not possible.
Parameter Range Function
Physical value 0…100 [%] Value on output. Only differs from present value
with out of service intervention via BACnet.
Disable OffNormal
– Passive
– Active
The OffNormal alarm is disabled. Example: A
value greater than the high limit does not trigger
an alarm:
– Alarm is triggered.
– Alarm is not triggered.
ToOffNormal Day of week, dd.mm.yyyy hh:mm:ss Date and time the last off normal alarm oc-
curred.
ToFault Day of week, dd.mm.yyyy hh:mm:ss Data and time last fault alarm (Reliability <> 0)
occurred.
ToNormal Day of week, dd.mm.yyyy hh:mm:ss Date and time last alarm was reset.
Communication
infos
--- Not enabled for analog outputs.
6.2.4 Priority array
• Read: Levels 6, 4 and 2.
• Write: Read only.
Parameter Range Function
Default 0…100 [%] Replacement value, when no priority is active.
Prio 01 Fix 0 [%] Value for priority 1 (always 0%): Plant is locked during configuration
or during controller start up.
Prio 02 0…100 [%] Value for priority 2: Not used.
Prio 03 0…100 [%] Value for priority 3: Not used.
Prio 04 Fix 0 [%] Value for priority 4 (always 0%): Shut off for error.
Prio 05 0…100 [%] Value for priority 5: Forced to a certain value, e.g. for frost protection.
Prio 06 0…100 [%] Value for priority 6: For example, the minimum runtime for the ele-
ment or overshoot time, e.g. dampers remain open until the fan is off.
Prio 07 0…100 [%] Value for priority 7: Not used.
Prio 08 0…100 [%] Value for priority 8: Manual intervention via HMI.
Prio 09 0…100 [%] Value for priority 9: Special function to reset from priority 8 to auto
mode.
Prio 10 bis Prio 14 0…100 [%] Value for priority 10 through 14: Not used.
Priority 15 0…100 [%] Value for priority 15: Normal plant operation.
Priority 16 0…100 [%] Value for priority 16: Timeswitch catalogs.
The lowest active priority controls the output.
Access level
Parameter
Access level
Parameter
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 97