Control Techniques SM-encoder plus User Manual
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Control Techniques SM-encoder plus User Manual

Control Techniques SM-encoder plus User Manual

Solutions module for unidrive sp
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User Guide
SM-Encoder
Plus
Solutions Module for
Unidrive SP
Part Number: 0471-0026-03
Issue Number: 3

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Summary of Contents for Control Techniques SM-encoder plus

  • Page 1 www.controltechniques.com User Guide SM-Encoder Plus Solutions Module for Unidrive SP Part Number: 0471-0026-03 Issue Number: 3...
  • Page 2 Drive software version The SM-Encoder Plus can only be used with drive software version 01.02.00 onwards. Copyright © September 2004 Control Techniques Drives Ltd...

  • Page 3: Table Of Contents

    Features ....................7 Solutions Module identification ..............7 Set-up parameters .................. 8 Compatible with encoder types ............... 8 Installing the SM-Encoder Plus ........10 Solutions Module slots ................10 Installation ..................... 10 Terminal descriptions ................12 Wiring, Shield connections ..............12 Getting started .............

  • Page 4: How To Use This Guide

    This guide contains information covering the identification of the Solutions Module, terminal layout for installation, fitting of the Solutions Module to the drive, parameter details and diagnosis information. Additional to the aforementioned are the specifications of the Solutions Module. SM-Encoder Plus User Guide www.controltechniques.com Issue Number: 3...

  • Page 5: Safety Information

    - for example, an over-speed protection device in case of failure of the speed control, or a fail-safe mechanical brake in case of loss of motor braking. SM-Encoder Plus User Guide Issue Number: 3 www.controltechniques.com...

  • Page 6: Environmental Limits

    Some parameters have a profound effect on the operation of the drive. They must not be altered without careful consideration of the impact on the controlled system. Measures must be taken to prevent unwanted changes due to error or tampering. SM-Encoder Plus User Guide www.controltechniques.com Issue Number: 3...

  • Page 7: Introduction

    Unidrive SP, to be used as position and speed feedback for the drive. Typical uses for the SM-Encoder Plus would be to input a speed/position reference from a line speed encoder, or to digitally lock the drive to a master reference using the position controller in drive menu 13.

  • Page 8: Set-Up Parameters

    17. Each of menus 15, 16, and 17 refer to one of the available slots into which the SM-Encoder Plus can be fitted. Slot 1 = Menu 15, Slot 2 = Menu 16, Slot 3 = Menu 17. Compatible with encoder types...
  • Page 9 Only encoders with lines per revolution that are a power of 2 can be used with the SM- NOTE Encoder Plus, e.g. 256, 512, 1024 etc. The marker pulse duration must be between 45° to 360° electrical (encoder). SM-Encoder Plus User Guide Issue Number: 3 www.controltechniques.com...

  • Page 10: Installing The Sm-Encoder Plus

    2. Ensure that both the +24V, and +48V backup power supplies are disconnected from the drive for at least 10 minutes if used. 3. Check that the exterior of the SM-Encoder Plus is not damaged, and that the multi- way connector is free from dirt and debris.
  • Page 11 11. Check that Pr 15.01, Pr 16.01 or Pr 17.01 shows the correct code for the SM- Encoder Plus (code = 104). 12. If the checks in steps 10 and 11 fail, either the SM-Encoder Plus is not fully inserted, or the Solutions Module is faulty.

  • Page 12: Terminal Descriptions

    Terminal descriptions Figure 4-3 SM-Encoder Plus terminals Table 4.1 SM-Encoder Plus terminal descriptions Term Encoder External power supply decoupling Terminal 8 should be used to join the external encoder power supply to the encoder as NOTE shown in Figure 4-4. If the drive encoder supply is to be used for two encoders, the user must ensure the total load does not exceed 300mA for 5V and 8V encoders and 200mA for 15V encoders.
  • Page 13 The ground connection of the cable shield is optional, this may be required to comply with safety measures or to reduce radiated radio frequency emissions from either the drive or encoder. SM-Encoder Plus User Guide Issue Number: 3 www.controltechniques.com...
  • Page 14 No Isolation Encoder between motor shaft Circuit and encoder Stray Capacitance Motor Housing Motor Encoder Shaft Connection No Isolation connected Encoder between motor housing Encoder to encoder Body housing and encoder housing Housing SM-Encoder Plus User Guide www.controltechniques.com Issue Number: 3...
  • Page 15 Twisted pair shield Using this type of cable also allows for the connection of the outer shield to ground and the inner shields to 0V alone at both drive and encoder end, when required. SM-Encoder Plus User Guide Issue Number: 3 www.controltechniques.com...
  • Page 16 Figure 4-9 Feedback cable connections Twisted Twisted pair pair Shield shield Shield shield Cable connection connection to 0V to 0V Connection Connection at drive at motor Cable Cable Ground clamp shield shield on shield SM-Encoder Plus User Guide www.controltechniques.com Issue Number: 3...

  • Page 17: Getting Started

    Chapter 4 Electrical Installation in the Unidrive SP User Guide, and that the encoder feedback wiring and shielding recommendations are followed in section 4.4 Wiring, Shield connections on page 12. SM-Encoder Plus User Guide Issue Number: 3 www.controltechniques.com...

  • Page 18: Sm-Encoder Plus Set-Up

    SM-Encoder Plus freeze flag (Pr x.39). E.g. If slot 3 has a SM-Universal Encoder Plus fitted and slot 2 has an SM-Encoder Plus fitted, Pr 16.39 and Pr 17.39 need to be set to “OFF” before another freeze function can be performed on the SM-Encoder Plus.

  • Page 19: Parameters

    The parameters listed in this chapter are used for programming and monitoring the SM- Encoder Plus. The SM-Encoder Plus is classed as a dumb module as it does not have its own processor and as a result all parameters are updated by the drive processor.
  • Page 20 Not cloned: not transferred to or from smart cards during cloning. Protected: cannot be used as a destination. User save: saved in drive EEPROM when the user initiates a parameter save. Power-down save: automatically saved in drive EEPROM at power-down. SM-Encoder Plus User Guide www.controltechniques.com Issue Number: 3...

  • Page 21: Single Line Descriptions

    NC PT revolution) x.37 No function x.38 No function x.39 Freeze flag OFF (0) or On (1) OFF (0) RW Bit x.40 No function x.41 No function x.42 No function x.43 No function SM-Encoder Plus User Guide Issue Number: 3 www.controltechniques.com...
  • Page 22 Rating dependent Protected User save Power down save Not all parameters available in menus 15, 16 and 17 (Pr x.01 to Pr x.50) are used when NOTE operating with the SM-Encoder Plus. SM-Encoder Plus User Guide www.controltechniques.com Issue Number: 3...
  • Page 23 SM-Encoder Plus User Guide Issue Number: 3 www.controltechniques.com...
  • Page 24 Figure 6-1 SM-Encoder Plus logic diagram Non marker position information Revolution Position counter Position feedback initialised Term Encoder x.29 x.30 connections x.45 Equivalent x.10 lines per revolution Encoder Marker position information x.16 termination Revolution Encoder x.15 counter Position type Not used x.32...
  • Page 25 Lock position feedback Revolution counter Position x.04 x.05 Positional information Input Read-write (RW) 0.XX terminals parameter Read-only (RO) Output 0.XX parameter terminals The parameters are all shown at their default settings SM-Encoder Plus User Guide Issue Number: 3 www.controltechniques.com...

  • Page 26: Parameter Descriptions

    Module fitted where one was previously fitted, the drive gives a Slot.dF or SLot.nf trip. x.02 Solutions Module software version 00.00 to 99.99 Update rate: Write on power-up The SM-Encoder Plus is a dumb module and contains no software. This parameter is therefore non-applicable. SM-Encoder Plus User Guide www.controltechniques.com Issue Number: 3...
  • Page 27 When the feedback device rotates by more than one revolution, the revolutions in Pr x.04 increment or decrement in the form of a sixteen bit roll-over counter. x.07 Marker position reset disable OFF (0) or On (1) OFF (0) Update rate: Background read SM-Encoder Plus User Guide Issue Number: 3 www.controltechniques.com...
  • Page 28 Ab (0) Update rate: 4ms x number of dumb modules The following encoders can be connected to the SM-Encoder Plus. 0, Ab: Quadrature incremental encoder, with or without marker pulse 1, Fd: Incremental encoder with frequency and direction outputs, with or without marker...
  • Page 29 Update rate: 4ms x number of dumb modules Pr x.29 and Pr x.30 are duplicates of Pr x.04 and Pr x.05 respectively and not affected by the marker or freeze inputs. SM-Encoder Plus User Guide Issue Number: 3 www.controltechniques.com...
  • Page 30 Position feedback initialised OFF (0) or On (1) Update rate: 4ms x number of dumb modules At power-up Pr x.45 is initially OFF (0), but is set to On (1) when the SM-Encoder Plus SM-Encoder Plus User Guide www.controltechniques.com Issue Number: 3...
  • Page 31 90°C, the drive fan is forced to operate at full speed (for a minimum of 10s). If the temperature falls below 90°C, the fan can operate normally again. If the PCB temperature exceeds 100°C, the drive is tripped and the error status is set to 74. SM-Encoder Plus User Guide Issue Number: 3 www.controltechniques.com...

  • Page 32: Diagnostics

    Status Mode Alarm Status Trip Status Healthy Status Drive status = tripped Trip type (UU = undervolts) Figure 7-2 Location of the status LED Status LED Non flashing: Flashing: Normal status Trip status SM-Encoder Plus User Guide www.controltechniques.com Issue Number: 3...
  • Page 33 It is important that a break in the connections between the drive and the position feedback device can be detected. This feature is provided either directly or indirectly as listed. When the drive is reset this parameter is cleared for the relevant Solutions Module SM-Encoder Plus User Guide Issue Number: 3 www.controltechniques.com...
  • Page 34 If the trip persists, contact the supplier of the drive. Solutions Module trip: Drive mode has changed and Solutions Module SL.rtd parameter routing is now incorrect Press reset. If the trip persists, contact the supplier of the drive. SM-Encoder Plus User Guide www.controltechniques.com Issue Number: 3...

  • Page 35: Terminal Data

    Line termination components Working common mode range +12Vdc to –7Vdc Absolute maximum applied voltage relative to ±25V ±25V Absolute maximum applied differential voltage 0V Common External power supply decoupling ±50Vdc Maximum voltage SM-Encoder Plus User Guide Issue Number: 3 www.controltechniques.com...

  • Page 36: Index

    Installation ....................10, 17 Keypad status modes .................32 Limitations ....................8 Line loading - SK1 ..................35 Logic diagram .....................24 Maximum frequency - SK1 .................35 No isolation ...................14, 15 Notes ......................5 Operation of a resolver ................10 SM-Encoder Plus User Guide www.controltechniques.com Issue Number: 3...
  • Page 37 Solutions Module set-up ................18 Terminal data ..................... 35 Terminal descriptions ................. 12 Termination - SK1 ..................35 Trip history ....................32 Update time ....................19 Warnings ...................... 5 Wiring connections ..................17 SM-Encoder Plus User Guide Issue Number: 3 www.controltechniques.com...
  • Page 38 0471-0026-03...

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