Siemens POL638 Series

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Siemens Standard application AHU CE1P3977en_02
Building Technologies Detail pages: Inputs and outputs 01.02.2010
Parameter Range Function
Contact Function
− NO
− NC
Changes input from Normal open to Normal closed:
− Normal open (logical 1 on input = TRUE in the
program).
− Normal closed (logical 0 on input = TRUE in the
program).
Value selector
− Hardware
− Comm
− And.
− Or.
− PreferedHW
− PrefComm
Select valid input value for the application:
− Value on hardware input.
− Value from communications.
− The input is 1, if the value on the hardware input
and the value from communications = 1. Alarm
triggers (if enabled), if one of the two values is in-
valid.
− The input is 1, if the value on the hardware input
or the value from communications = 1. Alarm
triggers (if enabled), if one of the two values is in-
valid.
− Value on hardware input has priority. The value
from communications assumed if invalid. Alarm
triggers (if enabled), if both values are invalid.
− Value from communications has priority. The
value from hardware input assumed if invalid.
Alarm triggers (if enabled), if both values are in-
valid.
6.6.3 Special information
– Read: Levels 4 and 2.
– Write: Not writable.
Parameter Range Function
Value selector
− Hardware
− Comm
− And
− Or
− PreferedHW
− PrefComm
Displays valid input value for the application:
− Value on hardware input.
− Value from communications.
− The input is 1, if the value on the hardware input
and the value from communications = 1. Alarm
triggers (if enabled), if one of the two values is
invalid.
− The input is 1, if the value on the hardware input
or the value from communications = 1. Alarm
triggers (if enabled), if one of the two values is
invalid.
− Value on hardware input has priority. The value
from communications assumed if invalid. Alarm
triggers (if enabled), if both values are invalid.
− Value from communications has priority. The
value from hardware input assumed if invalid.
Alarm triggers (if enabled), if both values are in-
valid.
Value HW Text abhängig von der Present value for hardware.
Access level
Parameter
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 108