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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