ABB i-bus
®
KNX
Parameters
50 9AKK108467A5941 Rev. B | MG/S 11.100.1.1 | EN | Product Manual
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7.2.2.15
# Bits
This parameter is used to define the number of specific bits in the assigned register.
The options in the
# Bits
parameter are only adjustable when the
Format:4: BitFields
option is selected.
Option
1 …x … 15… -
Note
The
Bit
parameter defines the start bit within the data point in the assigned register.
Prerequisites for visibility
•
This parameter is in the
Config Device x
parameter window.
7.2.2.16
Deadband
This parameter defines the minimum (absolute) value change of the Modbus data before the new value is
written to the associated Status Group Object. This avoids excessive sending when making minimal value
changes.
Option
0 … 100
Note
When calculating the
Device x Deadband
parameter, always take account of the type and resolution of
the Modbus data points.
Example
The Modbus server stores the voltage value of 230 V as 2300 in the Modbus register. For a minimum
change in value (absolute value) of 0.5 V, the deadband should be set to 5.
Prerequisites for visibility
•
This parameter is in the
Config Device x
parameter window.
