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Genesis Automation Motrona GV 470 Operating Instructions Manual

Impulse splitters for incremental encoders, with 4 or 8 output channels
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control – motion –
interface
GV 470 / GV 471
Impulse Splitters for Incremental Encoders,
with 4 or 8 Output Channels
GV 470: Splitter with 8 Output Channels
GV 471: Splitter with 4 Output Channels
Operating Instructions
GV47001c_e.doc / Mai-09
Page 1 / 12

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Summary of Contents for Genesis Automation Motrona GV 470

  • Page 1 control – motion – interface GV 470 / GV 471 Impulse Splitters for Incremental Encoders, with 4 or 8 Output Channels GV 470: Splitter with 8 Output Channels GV 471: Splitter with 4 Output Channels Operating Instructions GV47001c_e.doc / Mai-09 Page 1 / 12...
  • Page 2 Safety Instructions • This manual is an essential part of the unit and contains important hints about function, correct handling and commissioning. Non-observance can result in damage to the unit or the machine, or even in injury to persons using the equipment ! •...

  • Page 3: Table Of Contents

    Table of Contents Introduction and Block Diagram Electrical Connections and LED Function 2.1. Power Supply and LEDs 2.2. Auxiliary Encoder Supply 2.3. Impulse Inputs 2.3.1. TTL encoders with differential outputs (suitable for signal levels up to 5.5 volts according to RS422 standard) 2.3.2.

  • Page 4: Introduction And Block Diagram

    1. Introduction and Block Diagram GV470 and GV471 represent a series of incremental encoder splitters with a most compact, space-saving design and with most versatile technical features. Both models are fully identical except for the number of output channels (4 or 8 channels) Both products provide potential separation between the input and the outputs, whilst the outputs among each other and the power supply use the same common GND potential.
  • Page 5 +5,5V +Lev. Sel=Lo CASC in Sel=Hi +Lev. Stab Select Power Supply CASC out GV47001c_e.doc / Mai-09 Page 5 / 12...

  • Page 6: Electrical Connections And Led Function

    2. Electrical Connections and LED Function 2.1. Power Supply and LEDs The unit provides a 3-position screw terminal strip for supply from a 10 – 30 volts DC power unit. The current consumption is approx. 100 mA (no-load operation). The “Select” input terminal provides selection of the desired source encoder. Details will be described later.

  • Page 7: Impulse Inputs

    2.3. Impulse Inputs The 8-position DIL switch on the front side provides setting of the desired signal formats and levels. These settings are separately for each of the channels A / B / Z (see block diagram). For simplification, a short form of the four most common applications is shown below, with the encoder supply omitted: 2.3.1.

  • Page 8: Differential Signals For Encoder Channels A, /A, B, /B But Single-Ended Marker Pulse From Proximity Switch Or Photocell

    2.3.4. Differential signals for encoder channels A, /A, B, /B but single-ended marker pulse from proximity switch or photocell Besides the most common standard configurations shown before, the unit allows setting of any other input configuration. The block diagram shows which of the DIL switch positions is responsible for each of the channels.

  • Page 9: The Outputs

    2.4. The Outputs All outputs always provide the non-inverted and the inverted signals, even when on the input side the inverted signals are not available. If terminal "Level" of an output is unconnected, the corresponding output level will automatically be TTL (approx. 5 volts). Applying any external voltage >5.5 volts between terminal 1 (0V) and terminal 2 (+Lev.) will increase the output level correspondingly (permitted range 5.5 ...
  • Page 10 Cascaded units allow selection of the active source encoder via the encoder select input on the 3-position power connector (see also block diagram): LOW (or open): outputs refer to the encoder input of the same unit HIGH (10 – 30 volts): outputs refer to the encoder input of the preceding unit It is possible at any time to switch over from one to the other source encoder during operation.

  • Page 11: Technical Specifications

    3. Technical Specifications Power supply 10 – 30 VDC Power consumption: approx. 100 mA (without encoder supply) Aux. encoder supply built-in 5.5 volts, 200 mA *) Max. frequency TTL differential and RS422: 500 kHz (diff. voltage >0,5V) HTL differential and single-ended: 200 kHz Input level with HTL single-ended Low: <...

  • Page 12: Dimensions

    4. Dimensions 60,5 mm (2.382'') 70,0 mm (2.756'') 72 mm (2.835'') 8 mm (0.315'')

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Motrona gv 471

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