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Signal Converters

Motrona UK

Motrona Signal Converter Frequency  to Analogue (Voltage, Current)) and to Serial RS 232 

DZ 266*: Signal Converter (Impulse Input)   (PDF Manual)
DZ 276*: Signal Converter (Sine-Cosine Input) (PDF Manual)

  • Multifunctional f-V and f-I converter module with fast response time and many programmable features for conversion of frequencies to voltage, to current or to serial data format
  • For DZ266: Universal impulse inputs for use with single channel signals (A only), quadrature signals (A, B, 2x90°) or differential TTL / RS422 signals A,  /A, B,  /B
  • For DZ276: Inputs for encoder lines sin+ / sin- / cos+ / cos- with 1 Vpp format

Common features:

  • Analogue outputs +/- 10 V (polarity represents direction of rotation) and 
    0/4 – 20 mA, resolution 14 bits
  • Wide operating range:  0.1 Hz to 1 MHz (DZ266) respectively 500 kHz (DZ276)
  • Setup by means of the front keys and LCD menu, or by  PC
  • Scalable LCD display for indication of  the actual input frequency and the operating state
  • Serial RS232 interface
  • Power supply 24 VDC, auxiliary output +5V for supply of encoders
  • DIN rail mounting
  • For 115/230 VAC supply see accessories

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FU 252*: Signal Converter (PDF Manual)

  • High performance frequency-to-analogue and frequency-to-serial converter with outstanding features and multiple conversion modes.
  • The unit can convert all frequencies, but also the sum, the difference, the product or the ratio of two frequencies to analogue and to serial format.
  • Wide input range from 1 Hz to 1 MHz for full scale output
  • Input accepts quadrature encoder signals with TTL/RS422 format or with HTL level (A,B) as well as single channel signals from sensors with PNP or NPN or Namur output
  • Analogue outputs +/- 10 V (polarity represents direction of rotation) and 
    0/4 – 20 mA, resolution 14 bits
  • Serial RS232 and RS485 interface for read-out of  the actual input frequency
  • Conversion time only 1 msec., therefore also suitable as a tacho replacement
  • Accuracy 0.1%
  • Easy to set up by simple TEACH procedure, or by PC (operator software included)
  • Adjustable floating average filter to smooth output swings with unsteady input frequencies
  • Free programmable linearization curves
  • Power supply 18-30 VDC, aux. voltage output 5V for encoder supply
  • For 115/230 VAC supply see accessories


UZ210*: Signal Converter Analogue (V, I) to SSI (Position), Incremental (Position &  Frequency) and to  Serial RS232 / RS485 (PDF Manual)

  • High performance universal converter for analogue input signals with excellent features and multiple conversion modes.
  • Input range:-10V...+10V / 0/4...20mA
  • Conversion time max. 250 us
  • Quadrature frequency outputs HTL or TTL (A,/A, B,/B, Z,/Z) from 0,01 Hz up to 1 Mhz
  • Incremental encoder output and SSI interface, for digital expression of
    linear or angular positions as a result of analogue inputs
  • Incremental direction signal A/B depending on polarity  of input signal and parameter settings
  • Programmable marker impulse output (Z, /Z)
  • Various user modes: Programmable V / f characteristics,  programmable curves with optionally repeating curve cycles, additional control functions similar to a “motorized potentiometer”
  • USB, RS232 and RS485 interface for programming and serial readout of the conversion result and other internal registers
  • Adjustable filter functions as well as operator programmable linearization curves
  • Printer mode for automatic data transfer of internal registers to a data logger or PC
  • For 115/230 VAC supply and A-A type USB cable see accessories

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UF251*: Signal Converter Analogue (V, I) to Frequency and to Serial RS232 / RS485 (PDF Manual)

  • High performance analogue-to-frequency and analogue-to-serial  converter
  • Input range:-10V...+10V / 0/4...20mA
  • Conversion time approx. 1ms only
  • Quadrature frequency outputs HTL (A/B/Z) from 1 Hz to 100 kHz and 
    TTL differential / RS422  (A,/A, B,/B, Z,/Z)  from 1 Hz to 500 kHz
  • Phase A/B depending on polarity of input signal, marker pulse output with programmable distance.
  • Various user modes: Programmable V / f characteristics, Motorized potentiometer function, cyclic frequency output curves etc.
  • RS232 and RS485 interface for serial readout of the conversion result and other internal registers
  • Adjustable floating average filter as well as operator programmable linearization curves
  • Printer mode for automatic data transfer of internal registers to a data logger or PC
  • For 115/230 VAC supply see accessories




IV251*: Converter from SSI to Analogue (Voltage / Current) and to Serial RS232 / RS485 (PDF Manual)

  • SSI Signal converter suitable for use with all SSI type sensors and absolute encoders from 9 to 25 bits, either with Master mode or with Slave mode
  • Analogue outputs +/- 10V, 0-20 mA or 4-20 mA, proportional to the encoder position
  • RS 232 and RS 485 serial interface for readout of the actual encoder position
  • Easy to set up by simple TEACH procedure, or by PC 
    (for operator software see SUPPORT)
  • Free scaling, programmable linearization curves, bit blanking functions etc.
  • Power units for 115/230 VA supply: see accessories

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IP251*: Converter from SSI to Parallel (BCD, Binary, Gray) and SSI to Serial RS 232 (PDF Manual)

  • SSI Signal converter suitable to convert SSI data from an absolute encoder or sensor to parallel data, either with Master or Slave operation
  • Also suitable for conversion of serial RS232 data to a parallel data format
  • 25 bits parallel outputs, push-pull and short-circuit-proof, programmable output codes: Binary, Gray or BCD
  • RS232 serial link for readout of sensor data
  • Multiple facilities for scaling and linearization of parallel output data
  • Easy to set up by DIL switches or by PC (operator software: see SUPPORT)
  • Power units for 115/230 VAC supply: see accessories

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PR210*: Converter from Parallel Data (BCD, Binary, Gray) to Serial Data (RS 232,  RS485) (PDF Manual)

  • Parallel data input (5 decades BCD or 20 bit binary or Gray)
  • Serial RS232 / RS485 interface for readout of the parallel data 
    by means of a PC or PLC or other controls
  • This converter is ideal for combinations with other motrona units in order to  accomplish display of parallel data or conversion to other formats like analogue or PROFIBUS etc.
  • Some typical examples of combinations are shown under
     “Combinations with Converters


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LW 217/218*: Innovative optical fiber modules for a robust transmission of SSI encoder or sensor signals (PDF Manual)

  • The optical fibre modules LW217 and LW218 are forming together a transmission system for data transmission of SSI signals by means of optical fibres.
  • Safe and reliably  transmission of signals, up to a distance of 1500m
  • The optical fibre cable can be routed through explosive areas as well
  • Resistant against extremely strong electromagnetic fields
     
  • For use with all encoders and sensors equipped Synchronous Serial Interface (SSI)
  • Free adjustable SSI resolution from 1 to 99 bit
  • Maximum clock frequency 1 MHz
     
  • Power supply either 5 VDC or 10-30 VDC
  • Compact DIN rail mounting
  • Glass fibre cables are available ready assembled

PU202*: Level Converter HTL to TTL-RS422 (no potential separation) (PDF Manual)
PU204*: Level Converter TTL-RS422  to HTL (no potential separation) (PDF Manual)

  • PU 202 is a level converter for incremental encoders  from HTL (A,B,Z, 10-30V) to TTL and RS422 standard levels, max. frequency 200 kHz. The unit can also translate different standards of direction signals to the quadrature standard (see drawing) Power supply 5 VDC
     
  • PU 204 is a level converter for incremental encoders from TTL-RS422 standard to HTL (A,B,Z, 10-30V) level , max. frequency 200 kHz. The unit can also  translate quadrature input signals to other standards of direction signals 
    (see drawing). Power supply 10-30 VDC
     
  • Both units are available as open p.c. boards with a frame for DIN rail mounting

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PU210*: Universal Level Converter and Potential Separator for Incremental Encoder Signals (PDF Manual)


  • Signal inputs A, /A, B, /B, Z, /Z adjustable to TTL/RS422 level or to HTL (10-30V) level
  • Signal outputs  A, /A, B, /B, Z, /Z (push-pull), output level depending on remote voltage (Vext. = 5 - 30V)
  • Potential separation between input and output by high-speed inductive coupler
  • Suitable for conversion of a A/B quadrature direction signal to a static direction signal and vice-versa
  • Connection by choice via SUB-D-connector or via screw terminal strips 
    (parallel circuit)

    Level conversion and potential separation







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GV210*: Dual Universal Level Converter (no galvanic separation) (PDF Manual)

  • Universal encoder interface, applicable as dual level converter, encoder splitter and encoder cross switch.
  • Two encoder inputs A, B, Z, and  /A, /B, /Z, each individually adjustable to either TTL/RS422 level or to HTL (10-30V)  level.
  • Two signal outputs A, B, Z and  /A, /B, /Z, likewise individually adjustable to either TTL/RS422 or HTL (10-30V) level
  • Contactless and bounce-free switch-over between the encoder channels, by remote 24 volt control signals.
  • Power supply 12-30 volts DC, auxiliary output 5 volts (2x125mA)  for supply of incremental encoders

    Impulse Level Converter for Encoders

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IT251*: Universal Level Converter with Frequency Divider and Direction Decoder (PDF Manual)

  • Level converter for incremental encoder signals A/B/Z to both directions 
    (RS422 / TTL to HTL and HTL to RS422 / TTL, see drawing)
  • Additional impulse divider for error-free division of quadrature encoder signals, with adjustable ratio from 1:1  to 1:4096
  • Separately adjustable marker pulse divider
  • Translator between various modes of indication of the direction of rotation
  • Max. input frequency 300 kHz
  • Power supply 18 - 30 VDC
  • Compact housing for DIN rail mounting
  • Power units for 115/230 VAC supply: see accessories

    Level conversion and impulse division




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