Application
Room Functions
Room Operating Mode Determination
31
Siemens Industry, Inc.
Application Note
A6V11692053
Smart Infrastructure – Building Products
2019-04-01
Room Functions
Room Operating Mode Determination
Overview
The ROpModDtr application function (AF) calculates the Room operating mode
(ROpMod) and makes it available to the coordinated Room segment AFs.
Input
Functionality
Source
Related data point
Comfort button*
Key 8 - temporary Comfort mode
(default setting for preloaded templates)
⚫ Manual On (trigger or
re-trigger)
(timer allows Comfort mode
to time out)
⚫ Room operator unit on
PL-Link (e.g. QMX3.xx)
using the AF for Room
operator unit interface
(ROpUn11)
⚫ Room operator unit on
BACnet (e.g. QMX7.xx)
CmfBtn
0:Inactive
1:Active
Presence button*
When configured, activates/deactivates
Comfort mode when Key 8 is pressed.
⚫ Manual On / Manual
Off
(timer allows Comfort mode
to time out)
Central room operation mode command
(using Grouping)
⚫ Manual
⚫ Auto
(Auto equals
relinquishing of prio13)
⚫ Central manual
operation
⚫ Central scheduler
ROpMod
1:Protection
2:Economy
3:Pre-Comfort
4:Comfort
*When configured, the Comfort button is activated by Key 8 on the room operator
unit. If configured instead for "Presence", you can toggle Comfort mode on and off
by pressing and re-pressing Key 8 (see Startup document for how to configure).
The Comfort/Presence button has an automatic delay-off delay timer (TiCmfBtn).
The default is 120 minutes. TiCmfBtn (Time for comfort button) is in the
application function for Room operating mode determination (ROpModDtr).