Related Manuals for Glentek Omega Series
Summary of Contents for Glentek Omega Series
- Page 1 INSTALLATION & OPERATION MANUAL Omega Series Model SMA9807 Model SMA9815 Model SMA9830 Digital PWM Brushless Servo Amplifiers...
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Page 3: Table Of Contents
IGNALS Command signal, Analog input ................25 Analog output .....................26 Discrete Input .....................26 Limits ......................27 Amplifier hardware inhibit ...............27 Amplifier reset ..................27 Amplifier fault output ...................27 Encoder output ....................27 Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... - Page 4 UMBERING SMA9807 Amplifier Model Numbering ..............68 SMA9815 Amplifier Model Numbering ..............71 SMA9830 Amplifier Model Numbering ..............74 & W ................76 ACTORY EPAIR ARRANTY ......................78 RAWINGS SMA9807-1 Amplifier module ..............79 Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 5 SMA9815-1A-1 Stand alone amplifier ............85 SMA9815-2A-2 2 axis base plate chassis installation ........86 SMA9815-4A-4 4 axis base plate chassis installation ........87 SMA9830-1A-1 Amplifier ................88 Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
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Page 6: Overview
Enough material is given here to familiarize the applica- © tion engineer with the tools necessary to setup and tune a motor using the Omega series amplifiers. The hardware section outlines the hardware and connectors necessary to install a Omega series am- plifier into an application. -
Page 7: Product Description
DSP control of both rotary and linear brushless servo motors. With extensive utilization of surface mount technology and special heat transfer techniques, the Omega Series offers one of the world’s most powerful products for a given form factor. The Omega Series is comprised of the following mod- els:... -
Page 8: Quadrature
The first input is a pulse train to command positive moves and the second input is a pulse train to command negative moves. This pulse type is also generated by some older stepper motor con- trollers and may be useful in upgrading to a servo motor system. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 9: Features
Accepts encoder signals up to 4.3 MHz. Special versions are Encoder feedback: also available that decode Sanyo Denki, Tamagawa and Yaskawa reduced wire encoders. • 7-segment display indicates amplifier status and diagnostics. Status indicator: Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... - Page 10 SMT construction: high reliability. • All servo amplifiers are CE marked. CE compliant: • Provides control engineers advanced filtering to eliminate un Parametric filtering: wanted system mechanical resonance. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
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Page 11: Digital Amp Control Loop Diagram
Digital Amplifier Control Loop Diagram Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 12: Amplifier Setup Software
Glentek's Windows based application software that was designed to communicate © with the Omega series digital amplifier. MotionMaestro© has many dialogs with values shown in engi- neering units to make it easy to select and setup the features of the amplifier. MotionMaestro utilizes ©... -
Page 13: Motion Maestro Amplifier Setup Features
This section of this manual is an introduction to MotionMaestro’s features that are required for instal- © lation and setup of the Omega series amplifiers. Only those features of MotionMaestro required for © defining motor characteristics are covered. This is not meant to be a step by step tutorial. The “System setup”... -
Page 14: Model Information
Bus under-voltage and over-voltage settings, are useful informational tools and are required if the user per- forms his own scaling of amplifier values.. Model Info Box. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 15: Digital I/O Setup
Engineering unit scaling used internally by MotionMaestro © is also adjusted to reflect proper units based on mode. Dialog box for setting amplifier mode. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 16: Motor Parameters
Pressing F1 displays the dialogs help text. After the values are sent to the amp, you may test the values Dialog box for setting up motor safety parameters. by enabling the amplifier. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 17: Commutation Setup
In addition, you may choose the gear and link ratio of an auxiliary en- coder. Encoder Setup Dialog Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 18: Trajectory Generator
Filters Setup Dialog Oscilloscope Setup The Oscilloscope can either be accessed under the “Tools” option on MotionMaestro’s© main menu or via a button on the toolbar. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... - Page 19 When record is activated a red light will be dis- played near the button. Oscilloscope Display Screen Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
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Page 20: Terminal Window
F1 can be pressed to obtain help on the various items or status in the current dialog. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 21: Control Loop Signals
Current fold back is such a condition. Display this dialog by select- ing “Status\Warnings…” or by utilizing MotionMaestro’s toolbar. The Warning dialog Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 22: Status
4 milliseconds, which is adequate for most tuning requirements. The Tuning section describes in detail Dialog box for tuning the motor. how a motor is tuned. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 23: Saving Parameters To Non-Volatile Memory
Windows style “Save File” dialog. Here you can give the file a meaningful name and location to save the file to. Restore backed up files to an amplifier with the “Restore Backup” selection. Backing up amplifier parameters to a file on disk. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 24: Hardware
Each amplifier may have these on different types of connectors depending on the model that was ordered. It is important to refer to appendix A and N. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 25: Command Signal, Analog Input
+/-10V input range. In this configuration, the single-ended input impedance is 5Kohm. If the signal po- larity is incorrect, the signal gain may be inverted in the software setup using MotionMaestro (e.g. – © 50% instead of +50%.) Command signal analog input design. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 26: Analog Output
PWM cycle. Analog Output design Discrete Inputs Limit+, Limit-, Hardware inhibit, and amplifier reset are all single ended discrete inputs using the follow- ing circuit. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 27: Limits
An external 5 or 12 volt source can be connected to the ENC + 5 IN pin. This power will be supplied to the encoder at the +V pin (see Encoder Feedback). Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 28: Bus Power
PC by configuring a cable with one end being a male RJ45 plug and the other end being a DB9 female connector. The pin-out names are below. Remember that there is no standard for an RS- Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 29: Optional Relay I/O
Pin Name Description Relay 1 M function positive side M1 - Relay 1 M function common No Connection Relay 2 M function positive side Relay 2 M function common Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 30: Encoder Feedback
The amplifier displays lower case h when this signal is active, latches the fault and disables the amplifier. Reset This switch performs a reset. A reset clears all faults, resets the DSP and initializes the amplifier. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 31: Amplifier/Motor Integration
Execute the communications software that is on your PC. Open a terminal window and press Enter on the keyboard. If the amplifier is communicating properly with the PC, the amplifier will respond with a Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 32: Parameter Setup
Phasing the Motor If you are matching a motor to the amplifier and you have not received a motor with your amplifier from Glentek, then perform Appendix G (“Matching motor phase leads to amplifier commands using Hall sensors”). Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 33: Applying Power To The Motor
Disable the amplifier and send the parameters to the amplifier. Save parameters to NVM. You are now ready for tuning. Before advancing further save these parameters to non-volatile mem- ory. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 34: Velocity Tuning
Velocity Tuning Tuning is a process where coefficients in the amplifier’s internal equations are matched to the applica- tion (motor). Glentek amplifiers can be tuned for two modes of operation: Current mode and Velocity mode. For Glentek’s digital amplifiers, MotionMaestro can be used to assist in tuning the motor am- ©... - Page 35 2. The compensation can be increased or decreased by the up and down arrow keys on the keyboard when the compensation edit box on tuning dialog of MotionMaestro has the focus. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 36 Integral, Proportional, and Derivative gains result in a coefficient which is calculated as the value entered over 32767. The compensation term acts as scalar of each coefficient 8. When you are satisfied with the tuning, save the parameters to non-volatile memory. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
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Page 37: 2-Phase Current Mode Operation Tuning Procedure
5A, then the MotionMaestro Scope should display 2.5A on phase R and S current commands and –5.0A on phase T current command. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 38: Appendices
Omega Series Digital PWM Amplifier Manual Appendices Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 39: A Servo Drive Connections
Table A-6 J6 Stand-Alone AC Power Designations Name Function Pin# Input AC AC, single phase/three phase Input AC AC, single phase/three phase Input AC AC (three phase only) Input Chassis Gnd Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... - Page 40 Ground Ground 5 Output RS-232 TX Transmit 6 Input RS-232 RX Recieve 7 Output RS-485 TX + RS-485 Transmit + 8 Output RS-485 TX - RS-485 Transmit - Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 41 Input Hall 3- Hall Sensor 3- Signal (not) Input Mtr Temp SW MotorTemp Switch Input Input Mtr Temp Gnd MotorTemp Switch Common Power Gnd Common Power Gnd Common Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 42 + 5 volts out Output Encoder A+ Encoder A+ output Output Encoder A- Encoder A- output Output Encoder B+ Encoder B+ output Output Encoder B- Encoder B- output Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
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Page 43: B Communication Error Codes
Unknown error Invalid command Checksum error Reserved Invalid command argument Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Motor is enabled Inhibit is active Parameter is locked Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 44: C Amplifier Status Codes
Clamp Condition Active (Fault input) Fault Input Foldback Heatsink Overtemp Motor Overtemp Low Speed Electronic Circuit Breaker Normal Operation High Speed Electronic Circuit Breaker Under Voltage Hall Fault ≡ Commutation Fault Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 45: D Glentek Sma9800 Series Amplifier Commands
APPENDIX D D –Glentek SMA98xx Series Amplifier Commands The Glentek Omega series digital amplifiers are designed with a robust repertoire of com- mands. These commands are 1 to 3 ASCII characters. For a full list of the commands contact your Glentek technical representative. -
Page 46: E Amplifier Commands
Omega Series Digital PWM Amplifier Manual APPENDIX E E –Glentek SMA98xx Series Command Communications Protocol The Glentek Omega series digital amplifiers are designed to operate utilizing a standard serial protocols. For a full description of the protocol contact your Glentek technical representative. -
Page 47: Fsma9800 Ratings And Specifications
Current Source Voltage Impedance Gain Ohms Amp/Volt Differential 10,000 0 - 5 Single Ended 10,000 0 - 5 * Refer to page 68 ** Refer to page 71 Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 48: Digital Inputs
2) Forced air cooling is required to meet the maximum power ratings specified. 3) The amplifier module (SMA9807-1 and SMA9815-1) and 3-U version (SMA9815-3U) require an exter- nal DC power supply. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 49: G Matching Motor Phase Leads To Amplifier Commands Using Hall Sensors
Insure that the amplifier is in current mode. Deselect all modes except the current mode. Set the analog command input signal gain to zero. Use the Setup Analog Input/Output dialog as shown. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... - Page 50 Encoder Data Position counts up in the Commutation dialog. If not, check the En- coder Data Reverse box. The Encoder Data Position should now count up as the seven segment display cycles clockwise. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 51 10 amps to the amplifier. To do this you may have to expand the range that can be com- manded from the control panel by selecting the Op- tions button. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 52 Save the settings by selecting “Save to NVM” from the Setup menu. Remove the amplifier’s power. Remove the scope probes. Connect the motor R, S, and T leads to the amplifier’s R, S, and T terminals respectively. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 53 STOP button of the Control Panel. Save the settings by selecting “Save to NVM” from the setup menu. The motor should now be properly commutated and phased. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
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Page 54: H Determining Encoder Resolution And Number Of Poles
Take the number of full LED cycles and multiply by two. This is the Num- ber of Poles that you will enter in your Commutation dialog. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 55: I - Commutation Track Signals And Phase-To-Phase Bemf
LED display will transition in a CW direction. Encoder Outputs The following illustrates the encoder signals for a standard Glentek motor that is correctly com- mutated where the encoder is not reversed (FER=0) and the tachometer feedback is reversed (TR=1). -
Page 56: J European Union Emc Directives
EMI immunity. Therefore, it is important to select equipment that has been designed and tested for industrial environments. The EMI standards for industrial equipment include the EN61000-4-X series (IEC 1000-4-X and IEC8O1-X), EN55011 (CISPR11), ANSI C62 and C63 and Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... - Page 57 The filter must be mounted close to the drive-input terminals, particularly with higher fre- quency emissions (5-30 MHz). If the distance exceeds 600mm (2 feet), a strap should Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 58 AC line. However, the motor cable still carries a large HF voltage and current. Therefore, it is very important to segregate the motor cable from the AC power cable. More information on cable shielding and segregation is contained in the section on shielding. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 59 For example: • Shield termination at both ends is extremely important. The common misconception that shields should be terminated at only one end originates from audio applications with frequen- Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 60 1. A ferrite toroid or “doughnut” around a signal cable may attenuate common mode noise, par- ticularly RS-232 communication problems. However, a ferrite toroid will not help differential mode noise. Differential mode noise requires twisted wire pairs. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 61 120-250VAC use: Corcom 25FCD10 or equivalent. 25A-36A input current, 120-250VAC use: Corcom 36FCD10 or equivalent. 36A-50A input current, 120-250VAC use: Corcom 50FCD10 or equivalent. 50A-80A input current, 120-250VAC use: Corcom 80FCD10 or equivalent. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
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Page 62: Declaration Of Conformity
3) SMA9830. This amplifier packaged in the following configuration: -1A-1 The undersigned herby declares that the equipment specified above conforms to the noted Directives and Standards. Manufacturer Helen M. Vasak Secretary-Treasurer Date: October 19, 2001 Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 63: K Amplifier Terms And Technology
The SMA9800 amplifiers have three power-on commutation initialization methods available for finding the Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... - Page 64 Spindle motors are a good application where phase lead is used. Appropriately used phase lead will reduce power Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 65 (+180*2/N mechanical degrees). The second set of currents will cause the motor to rotate either 60 or 120 electrical degrees, depending upon which of the two locations the motor stopped at when the first set of currents was applied. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
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Page 66: Technology
If too small a value is used, the motor will not be optimally com- mutated, and this will result in rough motion and larger than normal current required to move the motor. Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... -
Page 67: L Amplifier Model Numbering
APPENDIX L L - Amplifier Model Numbering This appendix explains the model numbering system for Glentek’s Omega Series Digital servo amplifi- ers. The model numbering system is designed so that you, our customer, will be able to quickly and accurately create the model number for the amplifier that best suits your needs. This manual contains... -
Page 68: Sma9807 Amplifier Model Numbering
1 - axis Module omit 1 Amplifier 1 - axis Stand Alone 2 Amplifiers 2 - axis Chassis 3 Amplifiers 4 - axis Chassis 4 Amplifiers Fan Power 115VAC 230VAC Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... - Page 69 Single amplifier module. Example: SMA9807 - 000 - 005 - 1A - 1 One amplifier installed Single axis Stand Alone, AC Input Yaskawa encoder, RJ45 Standard power, 135 260 VAC Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 70 SMA9807 - 103 - 001 - 2A - 2 – 1 115VAC Fan Two amplifiers installed Two axis chassis, AC Input Full feature, RJ45 Standard Power, 50 - 135 VAC Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
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Page 71: Sma9815 Amplifier Model Numbering
007* 3 Amplifiers Installed 2 phase Current Mode 4 Amplifiers Installed 2 phase Current Mode RJ45 009* Fan Power 115VAC 230VAC * Not available in 3U Plug-In Amplifier Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... - Page 72 SMA9815 - 000 - 001 - 1A - 1 One amplifier installed , AC Input Single axis Stand Alone Full Feature, RJ45 Standard power, 208 - 240 VAC Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 73 Logic board Configuration Code. 3U Plug-In Amplifier. Example: SMA9815 - 000 - 000 - 3U 3U Plug In Amplifier Full Feature, DB9 Standard Power, 190 - 370 VDC Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
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Page 74: Sma9830 Amplifier Model Numbering
(Sanyo Denki and Tamagawa) Reduced Wire Encoder RJ45 (Sanyo Denki and Tamagawa) Yaskawa Encoder Yaskawa Encoder RJ45 Pulse Follower Pulse Follower RJ45 2 phase Current Mode 2 phase Current Mode RJ45 Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... - Page 75 Example: SMA9830 - 000 - 004 - 1A - 1 One amplifier installed Single axis Stand Alone, AC Input Yaskawa encoder, DB9 Standard power, 208 - 240 VAC Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
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Page 76: M Factory Repair & Warranty
Factory Repair & Warranty Factory Repair Should it become necessary to return an servo drive to Glentek for repair, please follow the pro- cedure described below: Reassemble the unit, if necessary, making certain that all the hardware is in place. - Page 77 Under no circumstances shall Glentek, Inc. or any of our affiliates have any liabil- ity whatsoever for claims or damages arising out of the loss of use of any product or part sold to you.
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Page 78: N Drawings
3U plug-in amplifier (9515-1030-000-A) SMA9815-1A-1 Stand alone amplifier (9815-1031-000-B) SMA9815-2A-2 2 axis base plate chassis installation (9815-1032-000-B) SMA9815-4A-4 4 axis base plate chassis installation (9815-1033-000-B) SMA9830-1A-1 Stand alone amplifier (9830-1030-000-A) Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026... - Page 79 Appendix N Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 80 Omega Series Digital PWM Amplifier Manual Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 81 Appendix N Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 82 Appendix N Omega Series Digital PWM Amplifier Manual Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 83 Appendix N Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 84 Omega Series Digital PWM Amplifier Manual Appendix N Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 85 Appendix N Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 86 Omega Series Digital PWM Amplifier Manual Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 87 Appendix N Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 88 Omega Series Digital PWM Amplifier Manual Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026...
- Page 89 Omega Series Digital PWM Brushless Servo Amplifiers PWM (Pulse-Width-Modulated) Brushless servo amplifiers to 20KW • Analog Brush Type Servo Amplifiers Linear Brush type servo amplifiers to 2.6KW • PWM (Pulse-Width-Modulated) Brush type servo amplifiers to 28KW • Analog Brushless Servo Amplifiers Linear Brushless servo amplifiers to 3.5KW...