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Siemens Standard application AHU CE1P3977en_02
Building Technologies System settings 01.02.2010
Parameter Range Function
Serial number Controller serial number.
Target ID
– 3
– 4
Controller ID number.
– POL 636-Controller.
– POL 638-Controller.
Applic security
– Passive
– Active
Displays software lock:
– Unlocked.
– Locked.
Note: Standard AHU is never locked.
Appli start alowed – Yes
– No
Displays whether the installed software can op-
erate on this controller. An application with appli-
cation security may only operate, for example,
an the intended controller.
Special settings Go to Target special settings page.
13.4.2 Special settings
Parameter Range Function
Target name --- Change controller name on the bus (TCP/IP
name and controller USB).
Default name is, for example, POL638_128.
(128: last three bytes of the MAC address).
Modbus termination – Passive
– Active
Activate the terminating resistor for the Modbus.
13.5 Daylight saving time
Define changeover from daylight saving time (summer) to standard time (winter).
The data refers to Middle European Time (MET).
Requires level 4.
Main Index > System overview > All system settings > Daylight saving time
Parameter Range Function
Enable. – Yes
– No
Displays changeover from daylight saving time to
standard time.
Active
– Passive
– Active
Displays whether summer time is currently en-
abled:
– Winter time.
– Daylight savings time.
B-time active
– Passive
– Active
Displays whether the B-time is enabled for the
change from daylight saving time to standard
time:
– B time disabled.
– B time enabled.
Time 0…12 [h] Number of hours for the adjustment.
Start month Jan ... Dec Month when daylight saving time is enabled.
Start week day Mo…Su Day of the week to start daylight saving time.
Start offset
Week of the month for the changeover to day-
light saving time:
Parameter
Parameter
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 143
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