Assortment / System Description

51
Faults Functions
QQ
xx
12
34
56
xxxxd
Ack
Faults
Relais1 Relais2
- 20 fault status inputs, fault status message delay, fault acknowledgement (none, acknowledge),
fault priority (urgent, nonurgent) can be selected
- 2 fault relays, priority (urgent, nonurgent, all) and signaling can be selected
- Direct connection of analog signals, adjustable threshold values
- Each fault signal input can be assigned a name
Trend Functions
1
2
34
a
a
aa
Trend
- 4 autonomous trend channels, 2 of them simultaneously
- Logging the progression of signals of local inputs, room and outside temperature via the KNX bus
- Views: 8-minute, 8-hour, 24-hour and 6-day history
Event logger Functions
1
2
34
a
a
aa
Event logger
- Event logger for up to 10 events and their duration
- Adjustable limit values
- Fault status messages when minimum or maximum event cycle time is crossed and when minimum
or maximum event duration is crossed
Operating hours Functions
1
2
34
d
d
dd
Operating hours
- Acquisition of the number of operating hours
- Functionality: Setting the start value
- Display of the current number of operating hours
- Editable service message, selectable interval (e.g. every 500 hours)
Meter Functions
1
2
34
i
i
ii
Meter
- Acquisition of pulse sources and display of cumulated values, selectable unit, valency,
presentation, etc.
Calculator Functions
C
ƒ= (A-B)*C /........
Calculator 1
2 calculators
- Conversion of input values to output values according to self-generated formulas
- Calculation using the 4 basic operations, plus raising to a power and root extraction (n
0.5
).
- Self-generated (maximum 20 characters), e.g. for solar yield, volumetric flow, etc.
Heating/cooling ch'over Functions
23
- Changeover of operating mode (heating/cooling) in 2-pipe systems
- Changeover via digital or analog input, operating mode selector (Auto, Heating, Cooling),
or according to date or via KNX
- Heating/cooling signal can be sent via KNX or delivered via relay
Time switch Functions
On / Off
6 time switches
- 1 channel for time switch on/off
- 7 days + special day, 6 switching points per day
- Holidays/special day program
- Operating mode selector (Auto, On, Off)
Min-Max-Avr Functions
2 function blocks
- Minimum/maximum selection and averaging of 5 input values, or minimum/maximum selection
and averaging of 2 and 3 input values (split)
- 2 continuous signals DC 0…10 V
Enthalpy Functions
- Following are calculated from temperature and relative humidity:
Enthalpy, absolute humidity, dewpoint temperature, wet bulb temperature, and enthalpy differential
- Pressure adjustment for location of plant (elevation above sea level)