KNX Technical Reference Manual
ABB i-Bus
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KNX Yucus
68
12.20.4 Common parameter – Value 2
Options – 1 bit: On/Off
– 1 byte 0 - 100%: (0%-100%)
– 1 byte 0 - 255: 0 to 255
– 2-byte float: -671088.64 to 671088.64
– 2-byte signed: -32768 to +32767
– 2-byte unsigned: 0 to 65,535
– 4-byte float: -4000000 to 4000000
– 4-byte signed: -2147483648 to 2147483647
– 4-byte unsigned: arbitrary values from 0 to
Value 2 options are dependent on the setting of the "Object type" parameter.
1 bit: switching functions (e.g. On/Off, enable/blocked, true/untrue)
– 1 bit: switching functions (e.g. On/Off, enable/blocked, true/untrue)
– 1 byte 0 - 100%: percentage values (0 = 0%, 255 = 100%)
– 1 byte 0 - 255: arbitrary values from 0 to 255
– 2-byte float: floating point value (physical values such as temperature or brightness) -
671088.64 to 671088.64
– 2-byte signed: arbitrary values from -32768 to +32767
– 2-byte unsigned: arbitrary values from 0 to 65,535
– 4-byte float: floating point value (physical values) -4000000 to 4000000
– 4-byte signed: arbitrary values from -2147483648 to 2147483647
– 4-byte unsigned: arbitrary values from 0 to 4294967295
12.20.5 Object no
Object name Data type Flags
Value switching 1 byte DPT 5.001 C, W, T, U
Value switching 1 byte DPT 5.010 C, W, T, U
Value switching 2 byte DPT 8.001 C, W, T, U
Value switching 4 byte DPT 14.xxx C, W, T, U
Value switching 4 byte DPT 12.001 C, W, T, U
12.21 Application “2-button value dimming sensor”
With the "2-button value dimming sensor" application, it is possible to send 1-byte value
telegrams via an operation of the rocker. Each operation of the left or right side of the
rocker will increase or reduce a 1-byte value (percent or value from 0 to 255). The 1-byte
value can be connected with 1-byte brightness value objects of dimming actuators. This
allows a dimming actuator to be dimmed brighter or darker with the rocker via value
telegrams.
12.21.1 Common parameter – Object type
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