Proportional amplifier, set point integrator, strain gauge amplifier

The proportional amplifiers of the series PV1 have been developed for controlling valves, clutches, brakes, hysteresis brakes and similar inductive loads up to 6A.

 Datasheet

The devices of the proportional amplifier series PV2 have been developed for controlling valves, clutches, brakes and similar inductive loads. Depending on the application there is the choice between two PWM frequencies (200Hz or 5 kHz). The driving is done via analog norm signals. Thereby for the user is each one voltage input 0…10V (terminal 4) or a current input 0(4)…20mA (terminal 5) at disposal. The output current is proportional to the input value and is adjustable with potentiometer (V) in the range of 0…100% of the unit rated current. An offset shift is also possible by using potentiometer (0).

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The servo valve amplifier ot the series SV100 have been designed to control valves with max current comsumtion of 100mA  The control input is  0....10V or 0(4)...20mA. Offset, output current dither frequency and dither amplitude are adjustable.

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The devices of the power- / set point amplifiers series LV200 have been developed for the power amplification of voltage values 0…10V and can be loaded up to 200mA. Offset „0“and amplification „V“ are adjustable via a 20-way rotary switch. Driven is the power amplifier by an analog signal of 0…10V, 0…20mA or 4…20mA. The maximum output voltage can be adjusted with potentiometer „V” in the range of 0…100% of the input value.

 Datasheet

The  strain gauge amplifier of the series DM1 are for amplificaton a signal of an strain gauge into 0...±10V or 0(4)...±20mA.  Bridge sensitivities from 2mV/V to 40mV/V are possible. The power supply of the bridge is switchable from 10V to 5V. Auxilary power 24Vdc. The aluminium housing is protection class  IP66.

 Datasheet

The  strain gauge amplifier of the series DM2 are for amplificaton a signal of an strain gauge with 6 wire into 0...±10V or 0(4)...±20mA.  Bridge sensitivities from 2mV/V to 40mV/V are possible. The power supply of the bridge is switchable from 10V to 5V. Auxilary power 24Vdc.

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The measuring amplifiers for effective values of the series EM1 are suitable for converting the true effective value of currents up to 5Aac or voltages up to 40Vac into an analog norm signal.

 Datasheet

The devices of the series EM2 measuring amplifiers are developed for capturing alternating current or – voltage as true effective value signals and to convert them into standard signals of 0…10V or 0, 4…20mA. In the variant as current measuring amplifier alternating currents up to 10A can be connected directly. The version as a voltage measuring amplifier makes a connection up to 440VAC possible. The devices of the series EM2 have a true 3-way galvanic insulation between input/output and auxiliary supply.

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The series EM8 are suitable for converting sinusoidal  voltages up to 440V and currents up to 10A into an analog norm signal.

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With the universal summation amplifiers of the series UV1 analog norm signals can be summarized, added, subtracted and amplified.

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The rotation direction of a small DC motor is switchable with the series DU1. The intergrated over current switch-off is used to stop the motor at overload or at boundary layer.

 Datasheet