ABB i-bus KNX AC/S 1.x.1 Series Product Manual page 104

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ABB i-bus KNX
Parameters
Subtraction (SUB)
Subtracts one input value (subtrahend) from another (minuend).
Inputs
No.
1
2
Outputs
No.
1
2
Parameters
None
Function
Whenever a telegram is received the output starts a recalculation independently if the value has changed.
An overflow will occur if the value from the
•
If the value from the
o
o
•
If the value from the
o
o
•
If the value from the
o
o
Other
Inputs not connected are treated as if they did not exist and are set to 0.
104 2CDC508198D0211 Rev. A | AC/S 1.x.1
DPT Abbr.
8 bits or higher M
Same as input 1 S
DPT Abbr.
Same as input 1 D
1 bit Ü
subtraction
D = 0
Ü = 1 (true)
subtraction
D = 0
Ü = 1 (true)
subtraction
D = Difference between the two input values (minuend - subtrahend)
Ü = 0 (false)
Name Visible
Minuend Always
Subtrahend Always
Name Visible
Difference Always
Overflow Always
subtraction is outside the DPT range:
is greater than the maximum DPT value:
is less than the minimum DPT value:
is within the valid range of the DPT:
Description
Description
Indicates an overflow