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The design of the unit corresponds to the protection class II except for the terminal
blocks� Protection against accidental contact (finger protection to IP 20) for
qualified personnel is only guaranteed if the terminal screw has been completely
screwed in�
2.5 Installation location
For the correct operation the unit must be mounted in a housing (protection rating
IP 40 or higher) which can only be opened using a tool or in a locked control
cabinet�
The device has been tested for an impact energy of 1 joule according to EN61010�
2.6 Housing temperature
As described in the technical specifications below the device can be operated in
a wide ambient temperature range� Because of the additional internal heating the
operating elements and the housing walls can have high perceptible temperatures
when touched in hot environments�
2.7 Tampering with the device
In case of malfunction of the unit or queries please contact the manufacturer�
Any tampering with the device can seriously affect the safety of operators and
machinery� This is not permitted and leads to the exclusion of any liability and
warranty claims�
3 Functions and features
The monitor FR-1/FR-1N is a pulse evaluation system� It monitors rotating, linear,
vibrating or oscillating movements�
It receives the pulses from external sensors, measures the pulse interval and
calculates the input frequency� This value is compared with the set switch points;
the outputs are switched in accordance with the set parameters� The integrated
frequency-to-current converter converts the input frequency into an analogue
output signal�
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Instrucciones de montaje y funcionamiento – Accionamiento de elevador de cangilones – Serie X..e
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