ABB i-bus
®
KNX
Product Overview
FCC/S 1.X.X.1 | 2CDC 508 200 D0211 Rev A 24
Button/LED
Description/Function
LED indicator
Button without function
Both LEDs on: Valve control value
between 1 % and 99 %
Both LEDs off: Fault
Open/close relay output
Button without function
On: Contact closed
Off: Contact open
Fan speed
Button without function
Indication of the current fan speed
with speed switching:
•
Speed 0: all LEDs off
•
Speed 1: LED 1 on
•
Speed 2: LEDs 1 &2 on
•
Speed 3: all LEDs on
Indication of the current fan speed
with changeover switching:
•
Speed 0: all LEDs off
•
Speed 1: LED 1 on
•
Speed 2: LED 2 on
•
Speed 3: LED 3 on
Manual operation
Activate manual operation by
pressing and holding the button (for
at least 5 seconds).
On: On: The device is in Manual
Off: Device is in KNX mode
Flashing when button is pressed:
Manual operation has been deacti-
vated via ETS parameters
Inputs a...x
LED indication depending on how
the inputs are used.
Binary sensor:
•
LED on: Contact closed
•
LED off: Contact open
Temperature sensor:
•
LED on: Temperature sensor
connected
•
LED flashing: Error (cable
break/short circuit)
Analog room control unit
•
LED on: Analog room control
unit connected
•
LED flashing: Error (cable
break/short circuit)
Table 8: Operating and display elements – KNX operation