Motrona BY340 Operating Manual
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Motrona BY340 Operating Manual

High performance low cost synchronous controllers for one slave axis
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Operating Manual
High performance low cost synchronous controllers for one slave axis
Product Features:
Precision angular synchronization and speed ratio control
High accuracy due to high feedback frequency range
(300 kHz with TTL encoders and 200 kHz with HTL encoders)
Full remote phase control by Index pulse operation, Trim functions etc.
Four programmable alert outputs
Most compact unit including operator panel for direct
access and RS232 interface for remote access
PROFIBUS DP interface available (option)
Analog output, configurable for voltage or current operation
24 VAC / 17 ... 40 VDC power supply
Available Devices:
BY340: Synchronizer with speed ratio setting by keypad,
14 bit analog output and 4 power transistor outputs for alerts
BY641: Synchronizer with features like BY340, but additional front
thumbwheel switches for speed ratio and 4 relay outputs for alerts
motrona GmbH, Zeppelinstraße 16, DE - 78244 Gottmadingen, Tel. +49 (0) 7731 9332-0, Fax +49 (0) 7731 9332-30
BY340 / BY641
, info@motrona.com, www.motrona.com

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Summary of Contents for Motrona BY340

  • Page 1 BY641: Synchronizer with features like BY340, but additional front thumbwheel switches for speed ratio and 4 relay outputs for alerts motrona GmbH, Zeppelinstraße 16, DE - 78244 Gottmadingen, Tel. +49 (0) 7731 9332-0, Fax +49 (0) 7731 9332-30 , info@motrona.com, www.motrona.com...
  • Page 2 „Technical specifications“ and manual-design updated Legal notices: All contents included in this manual are protected by the terms of use and copyrights of motrona GmbH. Any reproduction, modification, usage or publication in other electronic and printed media as well as in the internet requires prior written authorization by motrona GmbH.

  • Page 3: Table Of Contents

    11. Appendix for model BY 641 ......................39 11.1. Relay Outputs ............................39 11.2. Front Thumbwheel Switches........................39 12. Technical Specifications & Dimensions ..................40 12.1. Dimensions of model BY340: ........................41 12.2. Dimensions of model BY641: ........................42 By340_04b_oi_e.doc / Apr-16 Page 3 / 42...

  • Page 4: Safety Instructions And Responsibility

    1. Safety Instructions and Responsibility 1.1 General Safety Instructions This operation manual is a significant component of the unit and includes important rules and hints about the installation, function and usage. Non-observance can result in damage and/or impairment of the functions to the unit or the machine or even in injury to persons using the equipment! Please read the following instructions carefully before operating the device and observe all safety and warning instructions! Keep the manual for later use.

  • Page 5: Installation

    For placement, wiring, environmental conditions as well as shielding and earthing/grounding of the supply lines the general standards of industrial automation industry and the specific shielding instructions of the manufacturer are valid. Please find all respective hints and rules on www.motrona.com/download.html --> “[General EMC Rules for Wiring, Screening and Earthing]”.

  • Page 6: Available Models

    Where you desire to mount the units on DIN rails inside a cabinet, please refer to the mounting brackets type SM 300 and SM 600 available as accessories. Figure: SM300 mounting bracket for DIN rail mounting of BY340 units By340_04b_oi_e.doc / Apr-16...

  • Page 7: Introduction

    3. Introduction The BY340 / BY641 units are suitable to operate as electronic synchronous controllers with speed-variable drives of any kind and any size, provided they dispose of an analog input to set the speed. The operation is based on a Master / Slave principle.

  • Page 8: Electrical Connections

    4. Electrical Connections 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 23 24 25 26 27 28 29 30 31 32 Com+ (K1 - K4) Example shows wiring K1 out for encoders with 5 volts Master...
  • Page 9 Terminal Name Function Common Ground Potential (0 V) +5,2V out Aux. output 5.2 V/150 mA* for encoder supply +24V out Aux. output 24 V/120 mA* for encoder supply Common Ground Potential (0 V) Slave, /B Slave encoder, channel /B (inverted track) Slave, /A Slave encoder, channel /A (inverted track) Master, /B...

  • Page 10: Power Supply

    4.1. Power Supply The BY340 synchronizer accepts both, a 17 … 40 VDC power or a 24 VAC power for supply via terminals 17 and 1. The current consumption depends on the level of the input voltage and some internal conditions; therefore it can vary in a range from 100 … 200 mA (auxiliary currents taken from the unit for encoder supply not included).

  • Page 11: Control Inputs Cont.1 - Cont.4

     Remote change of parameters during operation  Remote readout of actual values by PLC or PC The figure below explains the connection between the BY340 unit and a PC using the standard Sub-D-9 serial connector For details of the serial communication protocol, please refer to the special SERPRO manual.

  • Page 12: Principle Of Operation

    5. Principle of Operation 5.1. Synchronization The Synchro controller receives full positional information about the master axis by means of the Master encoder. This incremental information can be scaled by means of the Master Scaling Factor (subsequently named Factor1). From this information the unit can calculate an analog speed output signal which is necessary to make the Slave axis exactly follow to the Master.

  • Page 13: Mechanical Phase And Position Considerations

    5.2. Mechanical Phase and Position Considerations Normally the synchronizer would always keep the angular phase or relative position between Master and Slave, which has existed while the unit has been powered up, or which has been defined manually while the unit was kept in the Reset state. However it may be desirable to adjust the relative position in standstill or on the fly, by means of manual or remote commands, or even to set a certain position automatically, triggered by external events.

  • Page 14: Operating Modes

     Please observe the minimum duration of 50 µs. for index pulses  Every index pulse must clearly mark one explicit and repeatable event within one machine cycle 6. Operating Modes The operating mode (parameter F02.004) sets the functions of Trim and Index inputs, provided that these functions have been assigned to some Control Inputs or front keys.

  • Page 15: Keypad Operation

    7. Keypad Operation An overview of all parameters and explanations can be found under section 8. The menu of the unit uses four keys, hereinafter named as follows:   PROG DOWN ENTER Key functions depend on the actual operating state of the unit. Essentially we have to describe three basic states: ...

  • Page 16: Direct Fast Access To Speed Ratio Setting

    The adjoining sequence of key operations explains how to change Parameter number 052 of group F06 from the original value of 0 to a new value of 8: Step State Key action Display Comment Normal operation Actual Error Display of the >...

  • Page 17: Change Of Parameter Values On The Numeric Level

    7.4. Change of Parameter Values on the Numeric Level The numeric range of the parameters is up to 6 digits. Some of the parameters may also include a sign. For fast and easy setting or these values the menu uses an algorithm as shown subsequently.

  • Page 18: Code Protection Against Unauthorized Keypad Access

    7.5. Code Protection against Unauthorized Keypad Access Parameter group F09 allows to define an own locking code for each of the parameter menus. This permits to limit access to certain parameter groups to specific persons only. When accessing a protected parameter group, the display will first show “CODE” and wait for your entry.

  • Page 19: Menu Structure And Description Of Parameters

    8. Menu Structure and Description of Parameters All parameters are arranged in a reasonable order of functional groups (F01 to F09) You must only set those parameters which are really relevant for your specific application. Unused parameters can remain as they actually are. 8.1.
  • Page 20 Command Assignment Keypad Protection Codes Key Up Function Protect Group F01 Key Down Function Protect Group F02 Key Enter Function Protect Group F03 Input 1 Configuration Protect Group F04 Input 1 Function Protect Group F05 Input 2 Configuration Protect Group F06 Input 2 Function Protect Group F07 Input 3 Configuration...

  • Page 21: Description Of The Parameters

    The following schematics shows how in principle the parameter blocks are assigned to the various elements and functions of the controller. K1 out Master F03 F01 K2 out Alert K3 out Outputs Slave K4 out Cont1 F06 F09 Digital Cont2 Control Cont3 +/-10V...
  • Page 22 Range Default F02.007 Correction Divider: 0 … 9 Function to provide a digital attenuation of the phase correction signal that is produced, when the drive on mechanical grounds (dead band or backlash) cannot respond. In such a case, it is not desirable to make corrections immediately.
  • Page 23 Range Default F02.011 Sampling Time: 0.001 … 9.980 0.001 Sets the internal digital feed forward control with (seconds) respect to dynamics and resolution. Lower set values result in faster response, but less accuracy of the feed forward signal. Higher set values result in better accuracy, but slower response with sudden speed changes.
  • Page 24 Range Default F02.018 Phase Offset * -199999 - 199999 Allows setting a position offset between the Master index and the Slave Index. When set to zero, the controller will align the active edges of both index signals. Setting is in Slave encoder increments. F02.019 Slave Pulses Index * 1 –...
  • Page 25 Range Default F02.022 Index Window * 1 - 9999 Sets a window (encoder increments) where the slave index pulse should be within with regard to the actual master index position. The output is ON when the Slave index is inside the tolerance window F02.023 Max.
  • Page 26 8.2.3. Definitions for the Master Encoder Range Default F03.026 Encoder properties 0 … 3 Differential Impulses A, /A, B, /B (2 x 90°) incl. inv. Single-ended Impulses A, B (2 x 90°) without inv. F03.027 Edge counting 0 … 2 Simple edge evaluation (x1) Double edge evaluation (x2) Full quadrature edge evaluation (x4)
  • Page 27 8.2.5. Analog output definitions Range Default F05.038 Control characteristics and analog format 0 … 3 The slave speed changes proportionally to the Factor 1 setting, i.e. doubles motor speed when changing Factor 1 from 1.00000 to 2.00000. (suitable for most of all applications) Output scaled for a -10 volts …...
  • Page 28 8.2.6. Key command assignments Range Default F06.046 Function assignment to key „UP“ 0 … 16 No function Reset Trim - Trim + n. a. n. a. For more details about these Integrator off functions see section Store EEProm Scroll Display n.
  • Page 29 8.2.7. Characteristics and functions of the Control Inputs Range Default F06.049 Switching characteristics of input „Cont.1“ 0 … 7 NPN (switch to -), function active LOW NPN (switch to -), function active HIGH NPN (switch to -), rising edge NPN (switch to -), falling edge PNP (switch to +), function active LOW PNP (switch to +), function active HIGH PNP (switch to +), rising edge...
  • Page 30  Unconnected NPN inputs are always HIGH (internal pull-up resistor) Unconnected PNP inputs are always LOW (internal pull-down resistor)  When you use Index operation, it is mandatory to use Control Input 1 as Master Index (F06.050 = 12) and Control Input 2 as Slave Index (F06.052 = 11).
  • Page 31 8.2.9. Special functions Range Default F08.064 Digital input filter: must be set to “0”. 0 … 3 F08.065 Trigger threshold for encoder1 inputs *) 30 … 250 F08.066 Trigger threshold for encoder2 inputs *) 30 … 250 F08.067 Brightness of the 7-segment LED display 0 …...

  • Page 32: Description Of Commands And Outputs

    9. Description of Commands and Outputs 9.1. Commands No. Command Description Assignment to Keypad Input Reset Sets the internal differential counter and the analog correction signal to zero. Both drives run solely in analog synchronization (open loop) whilst activated Trim- Provides a temporary lower or higher slave speed which results in a phase displacement between the motor shafts.

  • Page 33: Outputs

    9.2. Outputs Output Terminal Alert 1 X2 / 26 This output indicates that the position error has exceeded the preset tolerance band as specified by parameter F02.16 “Alert 1” Alert 2 / Index ok X2 / 25 When operating without index pulses, this output also works as alert signal.

  • Page 34: Display Of Actual Values

    9.3. Display of Actual Values During normal operation it is possible to display an actual value. Two LEDs at the front panel indicate the actual value displayed. You can scroll the actual value on the display by Scroll Display command, which can be assigned either to a key or to an input. Parameter F08.071 “Default Display”...

  • Page 35: Steps For Commissioning

    10. Steps for Commissioning For easy and uncomplicated commissioning of the BY340 / 641 controllers you need a PC with the actual operator software OS3.x. You can download this software and full instructions, free of charge, from our homepage www.motrona.com.

  • Page 36: Running The Adjust Menu

    10.000 After entry of all parameters click to “Transmit All” followed by “Store EEProm” to store all parameters to the BY340 or BY641 controller. At this time, both drives (Master and Slave) must be adjusted to proper and stable operation over the full speed range. Slave drive settings must provide a maximum...

  • Page 37: Set Directions Of Rotation

    10.2. Set Directions of Rotation The direction of rotation must be defined for both, master and slave encoder. Make sure the Reset is switched on when you do this (the softkey must show “Reset is ON”)  Move the Master encoder into forward direction (manually or by means of a remote speed signal to the Master drive).

  • Page 38: Setting Of The Proportional Gain

    10.4. Setting of the Proportional Gain The register “Gain Correction” determines how strong the controller responds to position and speed errors of the drive. In principle, this setting therefore should be as high as possible. However, depending on dynamics and inertia of the whole system, too high gain values will produce stability problems.

  • Page 39: Appendix For Model By 641

    K1 – K4. All electrical connections of BY641 are fully similar to BY340, except that with BY641 models the back plane is equipped with four additional terminal strips (3 positions each).

  • Page 40: Technical Specifications & Dimensions

    12. Technical Specifications & Dimensions Power supply: Input voltage (AC): 24 VAC +/- 10 % Input voltage (DC): 17 … 40 VDC Protection circuit:: reverse polarity protection Consumption: 100 mA at 24 VDC (unloaded) Connections: screw terminal, 1.5 mm² / AWG 16 Encoder supply: Number of aux.

  • Page 41: Dimensions Of Model By340

    IP 65 / rear: IP20 Protection class BY641: front: IP 20 *** / rear: IP20 Accessories: SM300: mounting bracket for top hat rail mounting of BY340 Weight: BY340: approx. 250 g / BY641: approx. 370 g Ambient temperature: Operation: 0 °C …...

  • Page 42: Dimensions Of Model By641

    12.2. Dimensions of model BY641: 110,0 (4.331’’) 96,0 (3.780’’) With optional plexi glass cover for protection class IP65 (motrona part # 64026) 9,0 (.345) 129,0 (5.079) 140,5 (5.531) 18,5 (.728) Panel cut out: w x h = 3.504 x 3.583’’ (89 x 91 mm) By340_04b_oi_e.doc / Apr-16...

This manual is also suitable for:

By641

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