ABB Busch-priOn Series Technical Reference Manual page 47

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Threshold value / hysteresis
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With the "Threshold value / Hysteresis" application, value telegrams can be received on an input communication object and
compared with threshold values specified in the device.
Predefined values are sent out on the communication "Output" communication object if the upper or lower thresholds are
exceeded. The size of the object can be adjusted for different applications.
The function can be temporarily blocked via an enable object.
If the value of the lower threshold lies above the value for the upper threshold, the function is not executed.
Threshold value / hysteresis objects
No. Object name
0 Input (1 Byte 0..100 %)
0 Input (1 Byte 0..255)
0 Input (2 Byte Float)
0 Input (2 Byte Signed)
0 Input (2 Byte Unsigned)
0 Input (4 Byte Float)
0 Input (4 Byte Signed)
0 Input (4 Byte Unsigned)
1 Output (1 Bit)
1 Output (1 Byte 0..100 %)
1 Output (1 Byte 0..255)
2 Enable
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PWM inverter
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With the "PWM inverter" application, a 1-byte input signal can be converted to a 1-bit signal or a 1-byte signal via an
equivalent pulse-width modulation. This function is required, for instance, if a room temperature controller issues a constant
control value that controls a switching heating actuator (for electrothermal actuating drives).
The function of the 1-byte sized activation is required if the room temperature controller can only send out constant control
values or a constant control value is required for other functions (such as central supply line temperature control).
There is the option of activating a force-position. The force-position is used for certain events such as the opening of a
window or for moving a heating actuator that is to be activated to a specific position for the dew point alarm.
If "Alert" is activated, the additional communication object "Fault" is available. A fault will then occur if the "Input" object has
received no further telegram within a certain period of time. Possible reasons for this could be, for example, that the
associated room temperature controller fails or that during a cross-line function the telegrams no longer pass the coupler. In
this case an ON telegram is sent out on the "Fault" communication object and the "Input" object assumes the "Value for
fault".
An additional "Enable" object provides the option of temporarily blocking the function.
PWM transducer objects
No. Object name
0 Input (1 Byte)
1 Output (1 Bit)
1 Output (1 Byte 0..100 %)
2 Enable
3 Fault
4 Force-position
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Data type
1 Byte EIS6 / DPT 5.001
1 Byte EIS14 / DPT 5.010
2 Byte EIS5 / DPT 9.xxx
2 Byte EIS10 / DPT 8.001
2 Byte EIS10 / DPT 7.001
4 Byte EIS9 / DPT 14.xxx
4 Byte EIS11 / DPT 12.001
4 Byte EIS11 / DPT 13.001
1 Bit EIS1 / DPT 1.001
1 Byte EIS6 / DPT 5.001
1 Byte EIS14 / DPT 5.010
1 Bit EIS1 / DPT 1.001
Data type
1 Bit EIS1 / DPT 1.001
1 Bit EIS1 / DPT 1.001
1 Byte EIS6 / DPT 5.001
1 Bit EIS1 / DPT 1.001
1 Bit EIS1 / DPT 1.001
1 Bit EIS1 / DPT 1.001
KNX Technical Reference Manual | 0073-1-7388 | 47
Flags
C, W
C, W
C, W
C, W
C, W
C, W
C, W
C, W
C, T
C, T
C, T
C, W
Flags
C, W
C, T
C, T
C, W
C, T
C, W