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Siemens
Standard application AHU
CE1P3977en_02
Building Technologies
Detail pages: Inputs and outputs
01.02.2010
Parameter
Range
Function
– Under range
– Other
R2500, NTC10k,NTC100k.
– Shirt circuit at sensors NI1000, PT1000, R2500,
NTC10k,NTC100k.
– Calibration lacking. Controller must be returned to
the factory; internal fault or input not configured.
High limit active
– Passive
– Active
Display an Off normal Alarms, when Present Value
> High limit.
High limit active
– Passive
– Active
Display an Off normal Alarms, when Present Value
< Low limit.
High limit
Depends on hardware.
Limit value for a high-limit alarm.
Low limit
Depends on hardware.
Limit value for a low-limit alarm.
Sensor correction
Depends on hardware.
Sensor correction value. Example: If the present
value is 20.4 and the real temperature is 20.1, the
value should be set to -0.3.
PT1 filter HW
0…32767 [s]
Time constant for the input filter. Allows you, for ex-
ample, to filter out peaks for pressure sensors.
Time delay
0…65535 [s]
Alarm time delay for high and low-limit alarms.
Special settings
---
Go to Special settings page (at access levels 4 and
2 only).
Special infos
---
Go to Special info page (at access levels 6, 4 and 2
only).
6.5.2 Special settings
•
Read: Levels 4 and 2.
•
Write: Levels 4 and 2.
Parameter
Range
Function
Out of service
– Passive
– Active
Take input offline to manually enter a value, e.g. a tem-
perature. Manual operation is not automatically reset.
An alarm can be triggered after a set period when the
manual alarm function is enabled.
– The input is in Auto mode.
– Input is out of service: The present value for the
hardware has not influence on the input.
Present value
Depends on hardware. Present value. You can enter a value for out of service =
active.
Access level
Parameter
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 103