ABB ibus KNX Time Switch FWS 821 Jörn Kruse STOG 20130618 STOG Slide 2 Time Switch FWS 821 Replacement of existing SWS and FWS Application Time Switches are used for time programs in buildings They can easily be handled by on site personnel like ID: 750909
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Slide1
© STO/G - Slide 1
ABB STOTZ-KONTAKT GmbH
ABB i-bus® KNXTime Switch FW/S 8.2.1
Jörn Kruse / STO-G /
2013-06-18Slide2
STO/G – Slide
2
Time Switch FW/S 8.2.1
Replacement of existing SW/S and FW/S
Application:
Time Switches are used for time programs in buildings. They can easily be handled by on site personnel, like
- janitor
- technical maintenance
The existing 3 time switches are replaced by the new FW/S 8.2.1.
ABB
FW/S 4.5
SW/S 4.5
SW/S 2.5
replaced by
FW/S 8.2.1Slide3
STO/G – Slide 3
Time Switch FW/S 8.2.1Functions & Benefits
Supports day and week based time programTime synchronization via the GPS or DCF signalBacklighted display with text-based user guidance
Astronomical function for automatic calculation of sunrise and sunset
8 independent logical channels,
each
with
- 1 standard-program (week / day) and
- 14 extra programs over the yearPC programming via OBELISK memory cardPowerful and easy to use functionality for holiday programs, automatic summer/winter time and random programs 8 years backup time in case of voltage failure
ABB
FW/S 8.2.1
GPS
Antenna
DCF
Antenna
PC software
OBELISKSlide4
STO/G – Slide 4
Time Switch FW/S 8.2.1Design Overview
ABB
Connection of the
GPS and DCF antenna
Slot for OBELISK
memory card
Supply voltage
connector
Width: 3 modules
Worldwide operating voltage:
110-230 V, 50/60 Hz
The mains voltage is required for supplying the GPS or DCF antenna.
If no antenna is connected, the supply via the KNX bus is sufficient
The device can be operated even in case of power failure of mains and bus voltage
Note:
8 years of backup time if device has no supply voltage. The backup
battery cannot be exchanged or replaced
Backlighted
DisplaySlide5
STO/G – Slide 5
Time Switch FW/S 8.2.1OBELISK top2 PC Programming Set
The OBELISK top2 Programming set allows the full-function programming of the FW/S 8.2.1
The USB programmer stores the time program on a memory card.
After inserting the memory card the program can be taken over into FW/S.
Alternatively, the time program can be loaded directly into the FW/S via the KNX bus (no memory card required).
Note:
The OBELISK top2 is not compatible with the “old” Obelisk software.
Note 2:
Reading out the time program via the KNX bus will take several minutes.Slide6
STO/G – Slide 6
Time Switch FW/S 8.2.1Programming with OBELISK top2
ABB
Option 1:
Via memory card
Option 2:
Directly via KNX
(no ETS required)
The download of a time program into the device requires about 2 min.
Reading out the time program requires significantly longer. Slide7
STO/G – Slide 7
Time Switch FW/S 8.2.1Astronomical Function
ABB
One channel can work either as a time switch or an astronomical
function
The astronomical function defines the switching times in relation to
sunrise and sunset.
Time switch function
Astro functionSlide8
STO/G – Slide 8
Time Switch FW/S 8.2.1Connection of the Antennas
A GPS or a DCF antenna can be connected. If a GPS antenna is connected, the device is able to provide its global position used in the astronomical function.
ABB
DCF
or
GPS
max. 50mSlide9
STO/G – Slide 9
Time Switch FW/S 8.2.1Summary: Replacement by the New Device
Consider the width of the device (3 modules)
New OBELISK top 2 is
necessary
New antenna (GPS or DCF) required
Mains voltage necessary
(if an antenna is used)
A time program can not be taken over into the new deviceThe new device provides all functions of the old ones (and many more…)
FW/S 8.2.1Slide10
STO/G – Slide 10