RHEINTACHO Messtechnik GmbH | Measurement, control and indication of rotational speed

F/I F/U converter

The F/I(U) converter is used to convert frequencies into a normalized linear analog signal. Aside from the quality and stability of its output signal, special mention should be made of the simple configuration of the converter using a PC interface (RS232). The output signal can be set for the typical test and control ranges of 0 – 20 mA, 4 – 20 mA or 0 – 10 V.

Optimized for control and monitoring applications in drive, system and process engineering, the F/I(U) converter can convert a wide variety of signals from rotational speed sensors, rotary pulse encoders or proximity switches. It can process NPN, PNP, push-pull or TTL outputs, as well as sine wave signals from tacho generators and passive sensors. The normalized signal provided by the F/I(U) converter means it can be easily connected to PC or SPS controllers, recorders or indicators.

An interesting example application is preventive maintenance on ships' engines.
In a permanent monitoring process, the rotational speeds are converted to an analog signal and recorded. The resulting characteristic curve indicates any wear, and the machine components can be replaced in good time.

Features of the 587 series F/I(U) converter:

• Normalized output signal*
• 12 bit signal resolution
• Measuring time and period count*
• Indirect coupling with opto-coupler
• Good linearity
• High temperature stability
• Excellent long-term stability
• Good repeatability
• Tested and approved by certification institutes (GL)

* Programmable

Contents:

• F/I(U) converter

Configutation software can be downloaded for free from this site (MS Windows: 95/98/2000/XP)