Siemens Climatix Series User Manual

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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

Siemens Climatix Series Specifications

General

Application	HVAC control
Communication Protocols	BACnet, Modbus, KNX
Inputs	Analog and digital inputs
Outputs	Analog and digital outputs
User Interface	web interface
Power Supply	24 V AC
Protection Class	IP20
Mounting	DIN rail mounting