Allen-Bradley 1794-IE8H Specifiche Pagina 107

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Publication 1794-SG002D-EN-P - May 2012
Select FLEX Ex I/O Modules 99
Calculate frequency on time interval or input count
Programmable scaling
Acceleration value calculated
Maximum frequency or acceleration alarms
All channels updated to the backplane every 4 ms (according to
sampling time)
Schematic Diagram for the 1797-IJ2 Module
FlexBus
supply
Vortex
Magnetic
Jumper
Jumper
Magnetic
S
Audible
2 Input Frequency Counter Module
Specification 1797-IJ2
Number of inputs 2
Flowmeter input signal threshold 3V or 6V, selectable
Flowmeter input voltage available < 15V @ 20 mA
Magnetic pickup input signal 50 mV or 500 mV, selectable
Processing time 4 ms
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