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Summary of Contents for Copley Controls Corp. 300 Series
- Page 1 300 Series Amplifier User’s Guide 1996~1998 Copley Controls Corporation 20 Dan Raod Canton, MA 02021 All rights reserved The 300 Series Amplifier User' s Guide Rev 09 12/01/01...
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Page 2: Table Of Contents
300 SERIES USER GUIDE Table of Contents Table of Contents ............................ii A Visual Guide to the 300 family:......................iv Introduction..............................1 Getting Started ............................1 Functional Diagram............................2 J17 Component Header ..........................3 Location ............................3 Current-Mode Setup (Standard configuration)................3 Velocity Mode Setup (Use components supplied) ...............3 Technical Specifications ..........................4... - Page 3 Pins for 15, 22 pin signal connector ..............31 DIN backplane connector for Eurocard mount ..........31 References ............................31 Standard Power Supplies......................31 MB4 Card Layout ........................32 Eurocard Layout...........................33 Jumper Pin Numbering ....................33 Panel Layout ........................33 MB4 Card Schematic ........................34 Eurocard Schematic........................35 Ordering Guide for 300 Series .....................36...
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Page 4: A Visual Guide To The 300 Family
300 SERIES USER GUIDE A Visual Guide to the 300 family: Basic Amplifier, No Mounting Card, No Heatsink (30x shown) See p. 5 for connectors & pinouts. See pp. 7-8 for wiring. Amplifier with MB4 Mounting Card (30xPMFDV shown) See p. 18 for connectors & pinouts. -
Page 5: Introduction
300 SERIES USER GUIDE Introduction The 300 Series amplifiers are second generation products designed for low cost and high performance. They can be mounted on chassis or p.c. boards and operate from 16 to 160 volt single-output DC power supplies. A wide range of inductive loads can be driven: 64 uH to 50 mH depending on model and supply voltage. -
Page 6: Functional Diagram
300 SERIES USER GUIDE J17 Component Header This is an 11-position socket which holds resistors and capacitors which are used for tachometer scaling and compensation, amplifier compensation, and current limiting. Location AMPLIFIER WITHOUT MB4 CARD 4-PIN 22-PIN J17 HEADER Current-Mode Setup (Standard configuration) This is the standard configuration as delivered from the factory. -
Page 10: Basic Amplifier Connectors, Signals And Pinouts
300 SERIES USER GUIDE Basic Amplifier Connectors, Signals and Pinouts If you are using the MB4 or Eurocard, the pinouts will be different (refer to the sections on the MB4 and Eurocard). Use this list when reading the following sections on hooking up the basic amplifier. -
Page 11: Basic Amplifier: Current-Mode, No Tachometer
300 SERIES USER GUIDE Basic Amplifier NO Tachometer : Current-Mode, Use this checklist for applications that don't employ a tachometer. These include microprocessor control systems that get position feedback from an encoder on the motor, as well as non-motor applications such as magnet-coil, solenoids, or other loads that require a set current from the amplifier in response to a control-voltage at the inputs. -
Page 12: Basic Amplifier: Current-Mode With Tachometer
300 SERIES USER GUIDE Basic Amplifier: WITH Tachometer Current-Mode 1. Setup J17 header components for high gain, tachometer mode (see p.3) 2. Connect DC power supply to amplifier +HV and GND. Check voltage to see that is within the amplifiers' rating. -
Page 13: Amplifier With Mb4 Mounting Card: Current-Mode, No Tachometer
300 SERIES USER GUIDE Amplifier with MB4 Mounting Card NO Tachometer : Current-Mode, Use this checklist for applications that don't employ a tachometer. These include microprocessor control systems that get position feedback from an encoder on the motor, as well as non-motor applications such as magnet-coil, solenoids, or other loads that require a set current from the amplifier in response to a control-voltage at the inputs. -
Page 14: Amplifier With Mb4 Mounting Card: Current-Mode, With Tachometer
300 SERIES USER GUIDE Amplifier with MB4 Mounting Card : Current-Mode, WITH Tachometer Use this checklist for applications that do employ a tachometer. These include microprocessor control systems that get position feedback from an encoder on the motor, as well as non-motor applications such as magnet-coil, solenoids, or other loads that require a set current from the amplifier in response to a control-voltage at the inputs. -
Page 15: Amplifier On Eurocard: Current-Mode, No Tachometer
300 SERIES USER GUIDE Amplifier on Eurocard: NO Tachometer Current-Mode, Use this checklist for applications that don't employ a tachometer. These include microprocessor control systems that get position feedback from an encoder on the motor, as well as non-motor applications such as magnet-coil, solenoids, or other loads that require a set current from the amplifier in response to a control-voltage at the inputs. -
Page 16: Amplifier On Eurocard: Current-Mode, With Tachometer
300 SERIES USER GUIDE Amplifier on Eurocard WITH Tachometer : Current-Mode, Use this checklist for applications that do employ a tachometer. These include microprocessor control systems that get position feedback from an encoder on the motor, as well as non-motor applications such as magnet-coil, solenoids, or other loads that require a set current from the amplifier in response to a control-voltage at the inputs. -
Page 17: Power Supply Considerations
Use this value, and the amplifier's continuous current rating as your nominal power supply specification at normal line voltage. 300 series peak currents of 2-2.5X the continuous current rating can usually be tolerated by off-the-shelf transformer-rectifier-capacitor power supplies. (See appendix for a complete listing of standard power supplies) 2. -
Page 18: Minimum Inductance
The Standard column in the table below shows the load inductance which are considered 'normal' for the 300 series amplifiers. The Dash-1 column shows the range of load inductance which can be driven with amplifiers ordered with the -1 option (see ordering guide in appendix). -
Page 19: Enable Inputs
This is a signal that is a measure of the output current of the amplifier. The scale factor in amps/volt is listed below. All of the 300 series output a +/-6V signal when the current is at the peak rated value. -
Page 20: Normal Output
2 seconds for bipolar currents. Output Voltage Swing 300 series amplifiers use MOSFET transistors in the output stages. These have no inherent 'saturation' voltage like bipolar transistors. Instead, they look like low value resistors in series with the power supply. The table below lists the on-resistance and output voltage-drop for the various amplifiers. -
Page 21: Dc Power Outputs
300 SERIES USER GUIDE DC Power Outputs All internal supply voltages are derived from the high-voltage supply. These internal voltages are available at the signal connector for certain user applications. All are current-limited by series resistors (Rser) and are intended for low-power applications. Table 8 lists the... -
Page 22: Mounting
300 SERIES USER GUIDE Mounting Standard Mounting The standard model comes with plug-in cable connectors. (See appendix for a list of connector types) The chassis can be mounted to flat surfaces with four #6 screws that go through four holes in the amplifier chassis. The mounting surface may provide adequate heat-sinking, or the amplifier can be ordered with a standard (-H option) or extended -HX option) heatsink. -
Page 23: Mb4 Mounting Card
300 SERIES USER GUIDE MB4 Mounting Card The MB4 card adds features and options to the 300 series amplifiers that are not available on the basic unit. These include PWM inputs, voltage-mode amplification, IR compensation, and output 'edge' filters. The MB4 card connects to the amplifier via connectors J3 & J4. The user makes connections to the amplifier/card assembly via connectors P1 (motor, and high voltage DC supply) , and P2 (reference, tach, and aux inputs, and Enable signals). -
Page 24: Mb4 Card Options
300 SERIES USER GUIDE They are listed here for information only. The type of signal (output, input, passive) is relative to the MB4 card, i.e. pin A is the Ref+ signal that is an output from the card to the amplifier. -
Page 25: Mb4 Card Jumper Settings
300 SERIES USER GUIDE MB4 Card Jumper Settings Table 15 shows the settings of the on-card jumpers for the various card and setup options. Jumpers consist of two-pin shorting connectors on three-pin p.c. board headers. The shorting connector can connect pins 1-2, or 2-3, as shown below. -
Page 26: Eurocard Mount
300 SERIES USER GUIDE Eurocard Mount All connections to the amplifier are made via the DIN connector. The Eurocard may be ordered with the same additional options as the MB4 card: Voltage-Mode operation with IR compensation (-V option) PWM Inputs (-D option) -
Page 27: Status Output Jumper
300 SERIES USER GUIDE Status Output Jumper JP-103: 1-2 for open-drain MOSFET output, 2-3 for HCTTL output. Normal = HI (HCTTL), or off (MOSFET), fault = LO (HCTTL), or ON (MOSFET). Tuning and Adjustments First we describe the operation of the trimpots on the basic amplifier, and the MB4 and Eurocard. -
Page 28: Mode Setting: Flat-Gain Vs. Tachometer
300 SERIES USER GUIDE Mode Setting: Flat-Gain vs. Tachometer In current mode operation, the amplifier functions as a single-input, single-output transducer that converts an input voltage to an output current. Use of a tachometer is optional. When no tachometer is used, the amplifier is operated in the flat gain mode. This configuration gives the maximum bandwidth. -
Page 29: Frequency Response With Tachometer
300 SERIES USER GUIDE Frequency Response with Tachometer The curves below show the gain and phase for the servo preamplifier when using the J17 components setup for normal tachometer mode, and for the 1/3 and 1/5 gain modes as shown in the table on the preceding page. -
Page 30: Tachometer Scaling
300 SERIES USER GUIDE Tachometer Scaling As delivered, a +/-10V reference signal will drive the motor to a speed at which the tachometer produces a -/+8V signal, regardless of RPM. Tachometer scaling refers to the selection of components on the J17 header so that a particular signal at the reference inputs will drive a motor to a particular RPM. -
Page 31: Voltage-Mode Gain
300 SERIES USER GUIDE Voltage-Mode Gain This setup applies to MB4 and Eurocards that have been ordered with the -V option, for voltage feedback. A voltage-sensing circuit attenuates the amplifier's output voltage by a factor of 22. This voltage is then fed-back into the Tach input. Setting the voltage-gain then is similar to setting-up a system with a tachometer. -
Page 32: Ir-Comp
300 SERIES USER GUIDE IR-Comp Setup Procedure Two methods are presented here. Use the one that seems to be the most appropriate to your installation, and equipment available. First, remember that IR-comp is used in the voltage mode. So determine that the voltage gain of the amplifier has been set correctly (see proceeding section). -
Page 33: Dynamic Setup Method
300 SERIES USER GUIDE Dynamic Setup Method Equipment required: Oscilloscope, signal generator (square wave, 1 Hz.) 1. Adjust the Feedback pot CCW until oscillation appears (squealing sound). Turn pot 2 turns CW. Oscillation should cease. 2. Apply square wave to Reference voltage inputs. Monitor current monitor test point (TP2) with oscilloscope. -
Page 34: Pwm Operation
300 SERIES USER GUIDE PWM Operation PWM signals are of two distinct types that we refer to as 0-100% and 50%. The 0-100% type uses two signals: one to control the amplitude and the other to control direction. The 50% type uses only one signal that is at 50% duty cycle for a zero output from the amplifier, and changes to 0, or 100% for full output in the positive, or negative directions. -
Page 35: Appendix
Appendix Connector Part Numbers Here are the Copley Controls Corp.(CCC), and OEM part numbers for the connectors used with the 300 series amplifiers: Basic Amplifier 4-pin power/motor connector CCC No. 57-0073 (Weidmuller BL4.12593.6) Basic Amplifier 22-pin signal connector (housing only) CCC No. -
Page 36: Mb4 Card Layout
300 SERIES USER GUIDE MB4 Card Layout... -
Page 37: Eurocard Layout
300 SERIES USER GUIDE Eurocard Layout JP106 JP103 JP104 JP109 JP101 JP102 JP108 JP107 JP105 Jumper Pin Numbering PINS Panel Layout BALANCE REF GAIN CURR LIMIT FEEDBACK ARM FB. NORMAL RESET CURR MON.
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