Motrona IT251 Operating Manual Download

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Operating Manual

motrona GmbH, Zeppelinstraße 16, DE - 78244 Gottmadingen, Tel. +49 (0) 7731 9332-0, Fax +49 (0) 7731 9332-30, [email protected], www.motrona.com

IT251

Level converter, direction signal decoder and programmable impulse divider

Features:



Level conversion from TTL / RS 422 to HTL 10 ... 30 V and vice versa



Programmable divider for error- free and position-true division of
quadrature encoder Signals (A, B, 90°)



Separate marker pulse divider with individual settings



300 kHz of maximum frequency



Push-pull outputs for direct PLC interfacing



18 ... 30 VDC power supply

Summary of Contents for IT251

Page 1: ...on signal decoder and programmable impulse divider Features Level conversion from TTL RS 422 to HTL 10 30 V and vice versa Programmable divider for error free and position true division of quadrature...

Page 2: ...n the internet requires prior written authorization by motrona GmbH Table of Contents 1 Safety Instructions and Responsibility 3 1 1 General Safety Instructions 3 1 2 Use according to the intended pur...

Page 3: ...e right to modify the hardware software or operation manual at any time and without prior notice Therefore there might be minor differences between the unit and the descriptions in operation manual Th...

Page 4: ...sections for wiring are described in the Technical Specifications see chapter 8 Before first start up it must be ensured that all connections and wires are firmly seated and secured in the screw term...

Page 5: ...on from any of the three common standards of indication of the direction to any other standard quadrature A B 90 or A pulse and B direction or A forward impulse and B reverse impulse All settings occu...

Page 6: ...tallic housings of the SUB D connectors to the potential applied to terminal 12 e g PE or external GND or else when the corresponding DIL switch is on see settings of DIL 4 switch The D SUB input conn...

Page 7: ...It251_02c_oi_e doc Apr 16 Page 7 16 Vref 5 5 V HTL input 2 7 k 6 k Low 4 0 V High 9 0 V B A A 5 5V GND N N B 1 2 3 4 5 9 8 6 7 B A A GND N N B 1 2 3 4 5 9 8 6 7...

Page 8: ...ts and outputs Also the potential of the metallic housings of the SUB D connectors can be set and the inputs can be enabled or disabled RS422 signals or HTL signals Changes of the DIL switch positions...

Page 9: ...ed Where your application uses input format 2 or 3 to indicate the direction you should ensure that changes of direction occur always while the pulse lines are low Otherwise there is a risk of cumulat...

Page 10: ...2 with consideration of your maximum output frequency For division rates higher than 1 1 the phase displacement gets more and more close to a real 90 quadrature signal independent of the input freque...

Page 11: ...on off 1 Division 1 2 on on on on on on on on on on off on 2 Division 1 3 on on on on on on on on on on off off 3 Division1 4 on on on on on on on on on off on on 4 Division 1 5 on on on on on on on...

Page 12: ...all further information given in this chapter 7 2 Modifications of the index pulse The programmable index divider allows modifications of the pulse distance the pulse width and the pulse position As a...

Page 13: ...ff off 1 4 off off off off off off on on 1 253 off off off off off off on off 1 254 off off off off off off off on 1 255 off off off off off off off off 1 256 7 4 Position and width of the index pulse...

Page 14: ...eatment requires divider settings of the A B impulse divider and the index divider that ensure a clear assignment of the output index pulse to the A B output frequency with no cumulating remainders Wh...

Page 15: ...ew terminal 1 5 mm AWG 16 HTL or female 9 pin SUB D connector TTL RS422 Incremental output Signal levels Channels Output current Connections 17 29 V at HTL depends on power supply voltage 5 V at TTL R...

Page 16: ...It251_02c_oi_e doc Apr 16 Page 16 16 9 Dimensions 40 mm 1 575 79 mm 3 110 74 mm 2 193 91mm 3 583 Front view Side view...