ZoningBOX 6 / ZoningBOX 4
Technical Support:
20
Figure 18.
Cyclic step control
The “Off” state may be interpreted by the HVAC gateway as a switch-off order
or as an order to switch to the automatic fan control, depending on its
configuration.
One-byte enumerated object
: the speed switch will take place upon the
arrival of the proper integer value (1, 2, 3).
Object Value
Fan Speed
0
Ignore order
1
1
2
2
>2
Ignore order
Table 2.
Enumerate control for two speeds
Object Vale
Fan Speed
0
Ignore order
1
1
2
2
3
3
>3
Ignore order
Table 3.
Enumerate control for three speeds
Percentage object
: the speed switch will take place upon the arrival of the
proper percentage value; according to the KNX standard.
Percentage
Object Value
DPT_Scaling
Value
Fan Speed
0
0
Ignore order
1
– 50%
1 - 128
1
51
– 100 %
129 - 255
2
Table 4
Percentage fan control
– two speeds
Speed 1
(Minimum)
Speed 2
Speed N
(Maximum)
1
0
1
0
1
0
……
1
0
