FBXi Series | FBXi Operation
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UniPut™ 24 V AC Detection
If 24 V AC is connected to a Uniput™ terminal, then the 24 V AC Detect circuit will detect this and will open
switch SW1. SW1 stays open for the duration of the 24 V AC state. When 24 V AC is removed from the Uniput™
terminal then the short circuit or open circuit states can again be detected.
Voltage input mode (Active Input)
Note: Input Impedance for Universal Input terminals is 130 kΩ.
Input Impedance for Uniput™ terminals is 40 kΩ.
The 0 … 10 V input is used for Active analog and digital measurements. ‘Active’ means that there is no current
supplied by the FLX for the sensor, as the signal is generated completely by the Sensor.
The ‘mV’ sensor setting gives a value between 0 and 10,000, which represents voltage in mV.
In 0 ... 10V Input Mode, the Uniputs™ configure like this:
Current Input mode (Active Input)
The Current Input is used for 0 ... 20 mA or 4 ... 20 mA Active sensors.
4 ... 20 mA scaling can easily be achieved using CXproᴴᴰ by entering range values in the Point Module
‘Advanced’ parameters.
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