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Siemens
Operating Instructions RMU7..B
CE1B3144_en
Building Technologies
Display plant operating state
2015-03-31
Display plant operating state
If, during automatic heating / cooling operation, you want to
know your plant’s current operating state (the room
operating mode), go to the info level:
1. Go back to the start display by pressing the ESC button.
2. Press the INFO button.
The room operating mode is displayed as follows:
Room operating mode
1-5
Preselection
State
Comf
Cause: Time switch
Meanings:
Preselection
The selected room operating mode.
In the example shown, the selector is set to
.
State
This is the current state.
In the example, heating or cooling at the comfort setpoint.
Cause
Here, the reason for the current state is given.
Possible reasons:
·
Operating mode contact (manual changeover).
·
Operating mode selector.
·
Occupancy button on the room unit.
·
Timer button on the room unit.
·
Special day
·
Holidays
·
Time switch for the time program (as displayed).
Display current plant data
In addition to plant data on the info pages, the submenus
configured functions allow you to query additional plant data.
Data queries are explained on
page 9 based on the
function
data acquisition > Trend channel .
You find the following data via the following paths:
Trend.
Main menu > Data acquisition > Trend channel 1...2 >
Display of trend recordings of characteristics.
Meter.
Main menu > Data acquisition > Meter 1...2 >
The meters are used to acquire consumption values. The
current meter reading, the date and the reading of the last
15 months are displayed.
The names of the submenus used in these operating instructions may have been replaced by clear-text names as defined by
your service engineer.
Display measured value trends
Data acquisition…
allows you to display the progression of up
to 2 measured values (
trend channel…2
)
. This trend function
shows measured value trends over the last 8 minutes, the
last 8 hours, the last 24 hours or the last 6 days.
Display measured value trend:
1. Select the
Data acquisition
… menu.
2. Select the required
T
rend channel 1…2
or the measured
value in clear-text; the 24-hour view of the current day
appears.
Navigate views:
1. Turn the OK knob counter clockwise to jump back the
display by 1 day, and vice versa.
2. Starting with the current 24-hour view, you reach the
view of the last 8 hours by turning the OK knob in
clockwise direction. Turn the OK knob clockwise again
and you reach the view of the last 8 minutes, turn counter
clockwise to return.
3. Press the ESC button to go back to the previous menu.
The measured value trend is presented as follows:
Path:
Welcome > Main menu > Data acquisition… > Trend channel 1…2.
