Application

Room Functions
Room Operating Mode Determination
33
Siemens Industry, Inc.
Application Note
A6V11692042
Smart Infrastructure – Building Products
2019-04-01
Examples of trigger response:
Source / action
Trigger / value
Response
(Example; results depend on configuration)
Comfort button /
Eco → Cmf
CmfCndTrg /
3:Manual
HVAC: No impact
Lighting: On (starts constant lighting control)
Shading: Stops automatic function
Comfort button /
Cmf → Eco
EefCndTrg /
3:Manual
HVAC: Resets any previous manual setpoint adjustment.
See note for how to eliminate reset.
Lighting: Immediately off (stops constant lighting control)
Shading: Releases manual command and goes to automatic position
Central scheduler /
Cmf → Eco
EefCndTrg /
2:Automatic
HVAC: Resets setpoint adjustment
Lighting: Off with prior blinking (blinks, then stops constant lighting control)
Shading: Releases manual command and goes to automatic position
Configuration
Parameters
Description
Parameter
Default value
(a) Comfort button
Time for comfort button → Time period for temporary
Comfort or presence button as triggered by CmfBtn
(Key 8).
Setting TiCmfBtn to 0 will disable the timer.
TiCmfBtn
2 [h]
Comfort button inactive configuration → Room
operating mode after TiCmfBtn time elapses or after a
manual Off command from a configured presence
button.
1:Auto = Use value from central scheduler (Release
priority 13)
2:Economy
3:Pre-Comfort
CmfBtnInactCnf
1:Auto
Operating command for energy efficiency condition
trigger at automatic
1:None → Recommended if temporary Comfort is used.
2:Automatic = Release priority 13
OpCmdEefAuto
2:Automatic
(b) Operating mode display
Source for present operating mode → This parameter
defines what is written to PrOpMod for display on the
room operator unit.
0:Room operating mode → HVAC, Lighting, and
Shading.
1:Plant operating mode → HVAC only. The Plant
operating mode is mapped to Protection / Economy /
PrOpModSrc
0:Room operating
mode