ABB i-bus KNX AC/S 1.x.1 Series Product Manual page 127

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ABB i-bus KNX
Parameters
Function
•
The counter increments on a change in the value from 0 to 1 (rising edge).
•
The counter counts upward from 0 to an adjustable threshold. If it reaches this threshold, the counter
stops and the Overflow output receives a value 1 (true) on the next rising edge.
•
Reset input:
o
o
•
Threshold input:
o
o
Bus voltage failure, download and restart
The counter value is saved. The output value is restored on restart. The output value is updated the first
time the counter value changes after restart.
Application examples
•
Telegram counter: counts the number of telegrams received (usage of Telegram received used on the
KNX input).
•
Pulse counter for energy values: calculates the energy consumption.
•
Event counter: an alarm is triggered if three events occur within one minute.
Value 0: The counter runs upwards.
Value 1: Resets the counter to 0 and disables it. The output value is 0.
Defines the counter threshold.
Can only be entered if the Output value is connected.
AC/S 1.x.1 | 2CDC508198D0211 Rev. A 127