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Tachometer /Frequency meter with limits

Areas of application for 923/924: Frequency counter (Tachometer) Functions/ Count modes Functions/ Count modes

•A•B •A – B •A + B •A / B •(A – B) / A x 100 % (percentage display)•Quad (Phase discriminator with recognition of direction) •Averaging •Start delay •2nd tacho input •Gate input •Multiplication and division factor (up to 99.9999)

Applicationexamples

A – B Speed regulation with indication of direction Synchro monitoring and control of two conveyor belts Ratio measurement A/B
Ratio measurement e.g. for speed alignment

Time and hours-run meter (Timer)

•FrErun (Control via gate input) •Auto (Start via Reset, Stop at preset) • Tachometers InpB.InpB (Start with first edge at InpB., Stop with second edge InpB.) •InpA. InpB (Start with InpA., Stop with InpB.) •Totaliser (Overall total) •Batch counting •Set value •Step or tracking preset

Applicationexamples

Interval measurement InpB. InpB FrErun Measurement of overall time from switching on the con- veyor belt till switching off
STOP Run-time measurement InpA. InpB. Auto time-controlled production line
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