Compatibility With Different Drive Types; Control Types; Priorities; Controller Channel - ABB i-bus KNX Product Manual

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ABB i-bus KNX
Appendix
12.2.3

Compatibility with different drive types

For information about the compatibility of individual device variants with the respective drive types, see
Functional overview, page
12.2.4

Control types

The following control types are commonly used for the control of valves in heating, air-conditioning and
ventilation applications:
•
Continuous control
•
Pulse width modulation (PWM)
•
2-point control
12.3

Priorities

12.3.1

Controller channel

Valve
a) Bus voltage failure
b) Operating mode overridden
c) Safety (dew point or filling level sensor or window contact)
d) Forced operation
e) i-bus Tool
f) Direct operation via membrane keypad (only VC/S 4.2.1)
g) Manual valve override
h) Normal operation of control (operating mode normal/presence)
i) Bus voltage recovery
232 2CDC508220D0211 Rev. A | VC/S 4.x.1
27.