Related Manuals for Reliance electric HR2000 Series
Summary of Contents for Reliance electric HR2000 Series
- Page 1 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...
- Page 2 INSTALLING, OPERATING AND MAINTAINING THE THREE-PHASE INPUT HR2000t HIGH PERFORMANCE CONTROLLER AND MOTOR 208/230 VAC, 60 Hz Input and 15 HP Instruction Manual D5-3031-4 December, 1993 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
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Page 3: Table Of Contents
Table of Contents Page Receive and Accept the Drive ............Identify the Drive . - Page 4 Wire the Drive ..............3:13 Check Input Power Requirements .
- Page 5 List of Figures Figure 2-1. Typical Controller Faceplate Components........Figure 2-2.
- Page 6 List of Tables Table 2-1. Controller Ratings............Table 2-2.
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Page 7: 1: Receive And Accept The Drive
D Dimension Times 4 Permanent Magnet Mechanical Design Defines HP, mounting and other standard features V S and Reliance are registered trademarks of Reliance Electric or its subsidiaries. Honda is a registered trademark of Honda Motor Co., Ltd. ... -
Page 8: Receive And Accept The Shipment
Receive and Accept File a Return Request the Shipment 1. To return equipment, send a written request to Reliance Reliance Electric’s terms of sale in Electric within ten days of all instances are F.O.B. point of receipt. origin. The Consignee (User) is responsible for thoroughly 2. -
Page 9: 2: Know The Drive
2: Know the Drive Terminology Used in Dangers, Warnings, and Controller LEDs Cautions This Manual Red LEDs Dangers, warnings, and cautions POWER Three-phase input point out potential trouble areas. Definitions and power is present; D-C All three of these forms are Abbreviations bus voltage is greater enclosed in a box to call attention... -
Page 10: Controller Regulator Pots
Controller Regulator Pots and illuminates SZ LED; Regulator mode in Position mode, Inverse time overload. Motor/Encoder position loop gain. Maximum instantaneous Maximum overload Reference input in test current output P or PI speed loop mode. Speed loop gain. Base drive disable Acceleration rate. -
Page 11: Customer Interlocks, Inputs, And Output Signals
• Output contact for user-supplied Customer Interlocks, Inputs, Controller Features dynamic breaking and Output Signals Dry FAULT contact Standard Features Optional Features (FR1 and FR2) • UL Listed to UL508 standards • Input Disconnect Kit • D-C rating: A maximum voltage •... -
Page 12: Drive Specifications
Drive Specifications Table 2-1. Controller Ratings. 208 VAC Input 230 VAC Input Maximum HP 6.8 HP 7.5 HP 13.5 HP 15 HP Continuous Input Amps (RMS) 7.5 HP – 24 amps 15 HP – 48 amps Continuous Output Amps 7.5 HP – 24 amps 15 HP –... -
Page 13: Figure 2-2. 7.5 Hp And 15 Hp Torque And Inertia Data
7.5 HP 15 HP APPLICATION NOTE: ALL SPEED TORQUE CURVES SHOWN IN THIS MANUAL ARE FOR MOTORS OPERATING FROM POWER MATCHED HR2000 CONTROLLERS WITH 230V INPUT POWER. Inertia Torque Base Speed (lb-in-S (lb-ft Model Mounting Amps (in-lbs) (RPM) P21M301 Foot 1750 0.0895 0.2340... -
Page 14: Figure 2-3. 2500 Rpm And 3000 Rpm Torque And Inertia Data
Torque (in-lb) 7.5 HP 200% CONTINUOUS NOM. OPERATING RATING RANGE (SPEED IN RPM) 3000 3600 Torque 15 HP (in-lb) 200% CONTINUOUS NOM. OPERATING RATING RANGE (SPEED IN RPM) 2500 3200 3600 Inertia Torque Base Speed (lb-in-S (lb-Ft Amps (in-lb) (RPM) Model 3000 0.090... -
Page 15: Table 2-2. Servo Motor Engineering Data
10 HP Inertia Torque Base Speed Mounting Amps (in-lbs) (RPM) (lb-in-S (lb-ft Model P21M305 Foot 1750 0.127 0.34 P21M306 C-Face w/Foot Figure 2-4. 10 HP Torque and Inertia Data Table 2-2. Servo Motor Engineering Data Motor Frame S-6200 S-6300 S-8350 S-8500 HR2000 Model 3RA2008... -
Page 16: Figure 2-5. Servo Motor Torque Data
[5] Phase to Phase 3RA2008/S-6200 3RA2015/S-6300 3RA2015/S-8350 3RA2015/S-8500 Figure 2-5. Servo Motor Torque Data. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 17: 3: Install The Drive
4%. Contact your the regulator board. communications. Reliance Electric Sales Office for installations above 5000 4. Make sure that the enclosure feet. door or other components will Plan and Perform not hinder service access. -
Page 18: Figure 3-1. Chassis Controller Dimensions And Weights
Figure 3-1. Chassis Controller Dimensions and Weights. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 19: Install The Motor
Install the Enclosed Controller 3. Make sure the motor’s Install an Input Disconnect foundation is sufficiently rigid to 1. Refer to documentation prevent vibration. DANGER supplied inside the enclosure THE NEC REQUIRES THAT 4. Mount the motor to the for mounting dimensions. AN INPUT DISCONNECT BE machine. -
Page 20: Figure 3-2. Motor Mounting Dimensions
C-FACE WITH FEET NOTE: A 3/8” bolt should be LBS. used for mounting. 25.56 12.69 7.69 11.25 26.56 13.69 8.69 12.25 27.56 14.69 9.69 13.25 FOOT MOUNTED LBS. NOTE: A 3/8” bolt should be 25.31 12.69 7.69 11.25 26.31 13.69 8.69 12.25 used for mounting. -
Page 21: Figure 3-2A. S-6200 And S-6300 Motor Dimesions
Figure 3-2a. S-6200 and S-6300 Motor Dimesions. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 22: Figure 3-2B. S-8350 And S-8500 Motor Dimesions
Figure 3-2b. S-8350 and S-8500 Motor Dimesions. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 23: Review The 2Cn Connector Pin Functions Before Wiring
Review the 2CN to operate the reference circuit. The SR potentiometer allows the This power is available on pins maximum differential input voltage Connector Pin 2CN-1 (+12 VDC), 2CN-2 (-12 between 3 and 26 volts. Maximum Functions Before VDC), and 2CN-19 through single-ended inputs can be Wiring 2CN-25 (OV). -
Page 24: Analog Output Signals
Current Limit and load. These outputs are used polarity of the signal is either when optional meters are positive or negative based on Although a current limit pot is supplied. See Figure 3-5. The direction. standard on the controller maximum source for each output faceplate, provisions for remote TORQUE: The signal on pin 9(+) is 1 mA. -
Page 25: Logic Input Signals
Logic Input Signals SEAL IN INPUT (15): This input INHIBIT (–) REFERENCE(17): (RSI) provides electronic input for This input (RHC) prevents the Eight optically isolated inputs are momentary run input. It is similiar controller from responding to a available through the 2CN to a seal in contact but is not a negative speed/torque reference. -
Page 26: Logic Output Signals
Logic Output Signals operating at a speed less than the ROTATION DIRECTION (45): This value determined by the PG pot. output (DIR) indicates motor Four optically isolated outputs are rotation direction. ON indicates available on the 2CN connector. POSITION: Indicates that counterclockwise rotation when Each output will source a positioning is complete. -
Page 27: Signal Inputs
Motor Signal Inputs channel signal is used, connect Pulse Speed (RPM) the reference frequency to pins 49 Freq Encoder Factor When placed in Position mode, (Hz) (PPR) and 50. Connect the direction the controller accepts a serial signal to pins 47 and 48. Refer to pulse train reference. -
Page 28: Signal Outputs
Signal Outputs a TTL compatible, differential line load. These signals are not driver. The high level output range isolated from signal common. The motor mounted encoder is 3.2 V (typ.) with a minimum of Channels A and B can be divided feedback signals are repeated and 2.5 volts at 20 mA load. -
Page 29: Figure 3-10. Internal Input Power Supply Connections
Wire the Drive current requirements of the CAUTION controller. If the power supply connections DANGER 2. The controller is shipped to do not correspond to the input accept 230 volts A-C. If input THE USER IS RESPONSIBLE line voltage, incorrect voltage is voltage is 208 volts, reconnect FOR CONFORMING TO THE applied which could cause an... -
Page 30: Figure 3-11. Location Of Typical Control Wiring And Startup Components
Figure 3-11. Location of Typical Control Wiring and Startup Components. 3:14 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 31: Figure 3-11A. Blower Motor Connection Diagram
Provide Appropriate connect the enclosure ground all applicable codes so that it is to earth ground. adequate for the voltages and Grounding currents to which it will be 2. Connect a suitable equipment subjected. DANGER grounding conductor or THE USER IS RESPONSIBLE bonding jumper to the motor 2. -
Page 32: Table 3-1. Drive Short Circuit Protection Requirements
5. Connect the load side of the Note: Drive short circuit protection 6. Connect the normally closed drive short circuit protective must be provided by the customer motor thermostat to pins 40 device to terminals 181 (R), with a UL listed or CSA certified and 41 of connector 2CN as 182 (S) and 183 (T) on the fuse or circuit breaker in a circuit... -
Page 33: Figure 3-12. Typical Connection Diagram
3. If the motor is mounted more hinged panel according to 5. For 3CN and Encoder (Motor than 100 feet from the connection diagram Figure MS) Connector Pin controller, install the optional 3-12. Refer to Figures 3-13 and Configurations, wire the Encoder Isolation/Buffer Kit 3-14 to identify connector pin connection pins S and E per... -
Page 34: Figure 3-13. 2Cn Connector Pin Configuration
Figure 3-13. 2CN Connector Pin Configuration. 3:18 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 35: Table 3-2. 2Cn Connector Pin Details
Table 3-2. 2CN Connector Pin Details. SYMBOL FUNCTION +12V internal power supply – 20 mA draw (maximum) –12V internal power supply – 20 mA draw (maximum) IN1- Positive differential Speed/Torque reference input IN1+ Negative differential Speed/Torque reference input Single-ended Speed/Torque reference input Remote control limit input for FWD motoring, REV regenerative Remote control limit input for REV motoring, FWD regenerative Analog output proportional to speed + 4 to 4.4 VDC* = rated speed... -
Page 36: Figure 3-14. 3Cn And Encoder (Motor Ms) Connector Pin Configurations
Figure 3-14. 3CN and Encoder (Motor MS) Connector Pin Configurations. Table 3-3. 3CN Connector Pin Details (grouped by required twisted pair). Motor 3CN Pin MS Pin Function Symbol Channel A output Channel A output Channel B output Channel B output Channel Z output Channel Z output Shield... -
Page 37: Table 3-4. Dip Switch Descriptions
Set Regulator Dip Switches 2. Set dip switches 1SW and These functions must be 2SW for the regulator initialized to be operative. Dip switches are provided to set parameters desired. Refer to Select switch settings before parameters for the regulator. Each Table 3-4 for details about the applying power. -
Page 38: Start And Adjust The Controller
4: Start and Adjust the Controller Check the Installation Check the Wiring DANGER ONLY QUALIFIED ELECTRI- 1. Verify that the controller is WARNING CAL PERSONNEL FAMILIAR wired according to connection THE USER IS RESPONSIBLE diagram Figure 3-12. WITH THE CONSTRUCTION FOR ENSURING THAT DRIV- AND OPERATION OF THIS 2. -
Page 39: Table 4-1. Default Values Of Eeprom Version J Or Later
Initialize the Regulator The HR2000 controller contains per Table 4-1, initializing the non-volatile, read-write memory regulator is not necessary (Note: Note: Perform this procedure with (EEPROM). This memory provides If the motor has a speed of 1750 the motor uncoupled from the the ability to operate a variety of RPM, INIT selections are still load. -
Page 40: Figure 4-1. Init0 1Sw Dip Switch Settings
To initialize the regulator, do the procedure to use based on the 3.1 Turn power OFF. following: motor’s pole/RPM and 3.2 Set 1SW DIP switches for encoder characteristics. INIT0 as shown in 1. Uncouple the motor from the Refer to Table 4-1. Figure 4-1. -
Page 41: Figure 4-2. Init2 1Sw Dip Switch Settings
Figure 4-2. INIT2 1SW DIP Switch Settings. 4.4 Turn power OFF. INIT2 4.6 Continue with the startup 5. (INIT3) – Use this step for 6 procedure is now and adjustment pole motors only . complete. instructions for “Review 5.1 Turn power OFF. the Controller Regulator 4.5 Refer to Table 3-4 to set 5.2 Set 1SW DIP switches for... -
Page 42: Review The Controller Regulator Jumpers
Review the Controller Review the Regulator Symbol: Function: Notch filter frequency Regulator Jumpers Pots Range: 30 to 1400 Hz Inoperative if jumper 1J is in The regulator has several jumpers The controller has twelve pots for position A. to enable functions or to change use during startup. -
Page 43: Figure 4-4. Typical Notch Filter Wave Form
Figure 4-4. Typical Notch Filter Wave Form. 1500 3500 4000 4500 Figure 4-5. Curves Showing Ranges of Regulator Pots. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 44: Start The Controller
Start the Controller WARNING DANGER THIS DRIVE IS CAPABLE OF Startup is a two-part procedure THIS EQUIPMENT IS AT LINE OPERATING AT AND MAIN- that is performed in the following VOLTAGE WHEN A-C POW- TAINING ZERO SPEED. THE ER IS CONNECTED TO THE sequence: USER IS RESPONSIBLE FOR CONTROLLER. -
Page 45: Figure 4-6. Controller Switch And Pot Settings For Procedure 1 And Speed Mode
Figure 4-6. Controller Switch and Pot Settings for Procedure 1 and Speed Mode Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... - Page 46 7. Wire the controller for Speed Note: The following regulator DIP 16. If the meter does not read 4.8 reference using Figure 3-12. switch controlled functions are not VDC or a different maximum enabled while the controller is speed is required, adjust the running: PG, OL, INC, and DIR.
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Page 47: Perform Startup Procedure 2 With Motor Coupled
Perform Startup Procedure 2 3. Remove Speed reference will read 8.0 VDC at 2000 circuit from Procedure 1 and RPM. with Motor Coupled wire any necessary inputs or If a faster maximum speed is outputs to the controller for CAUTION required: proper machine operation in Do not perform Procedure 2... - Page 48 • With the Speed reference at • Increase the speed loop 16. Give the controller a Stop minimum, quickly increase to command. integral time on switches maximum speed. If 2SW-2 and 2SW-3. 17. Turn power OFF. acceleration time is too long, •...
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Page 49: Figure 4-7. Speed Feedback Signals
Figure 4-7. Speed Feedback Signals. 4:12 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 50: Figure 4-8. Controller Switch Settings For Torque Mode
Perform Startup in Torque 1. Make sure all power is OFF. WARNING Regulator Mode The POWER LED should not IMPROPER CONNECTION be illuminated. OR CALIBRATION OF CON- WARNING 2. Couple the motor to the TROLLER MAY CAUSE THE THIS DRIVE IS CAPABLE OF machine or load. -
Page 51: Perform Startup In Position Regulator Mode
• After verifying D-C bus DANGER WARNING voltage is zero and the REMAINING STEPS IMPROPER CONNECTION POWER LED is not ARE MADE WITH POWER OR CALIBRATION OF CON- illuminated, change the ON. EXERCISE EXTREME TROLLER MAY CAUSE THE position of switch 2SW-6 on CARE BECAUSE HAZARD- DRIVE TO OVERSPEED. - Page 52 9. Turn the OS pot slowly CW Example: If a 2000 RPM base Note: In position control, while the until the trip point is slightly speed motor with a 2500 PPR motor is rotating, a position error greater than the maximum encoder is to operate at base exists depending on its speed and application motor speed.
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Page 53: Fundamentals Of The Hr2000 Controller And The Motor
5: Understand How the Controller Operates Fundamentals of the shaft clamp inputs are all optically The speed loop contains two isolated. These inputs are fed into capacitors that may be switched HR2000 Controller and the microprocessor for monitoring into the circuit through two dip the Motor of their functions. -
Page 54: Figure 5-1. Pulse Output, One Revolution For A Two-Pole Machine
Pulse count error is multiplied by present, maintained switches or When the controller is in Position the position regulator gain and contacts must be used. mode, motor rotation is converted to an analog speed determined by the logic level state reference. -
Page 55: Figure 5-2. Adding Resistors To Obtain Neutral
Figure 5-2. Adding Resistors To Obtain Neutral. The encoder is aligned at the Also, a two channel oscilloscope Note: The encode cover should factory. If necessary to adjust, the can be used during slow turns of be removed to allow access to the Encoder Tester Kit (ER 35 kit) can the motor shaft with the drive not set screws on the encoder shaft... -
Page 56: Figure 5-3. Typical Functional Block Diagram
(SBD FBK) Figure 5-3. Typical Functional Block Diagram. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 57: Service The Motor
High horsepower HR2000 motors Establish Regular Disassemble the Motor have the patented PLS/Positive Motor Maintenance Lubrication System developed and Note: Reliance Electric cannot be Program tested by Reliance Electric to held responsible for expense provide positive motor bearing incurred in any repairs performed A fundamental principle of protection. -
Page 58: Reassemble The Motor
Remove End Shields Reassemble the Motor DANGER 1. Re-install bearings by 6. Remove the blower motor INTERNAL PARTS OF THIS preheating and pressing the housing and the outer encoder MOTOR MAY BE AT LINE bearings on the shaft with a housing then loosen the set VOLTAGE EVEN WHEN THE bench press applying... -
Page 59: Service The Controller
7: Service the Controller Know Function of The nominal status of these 12 DANGER LEDs is OFF. After a fault occurs, Service Aids ONLY QUALIFIED ELECTRI- the controller cannot be restarted CAL PERSONNEL FAMILIAR until the fault is cleared and the Understand Controller LED WITH THE CONSTRUCTION controller is reset. -
Page 60: Table 7-1. Red Led Functions And Possible Causes For Fault
Table 7-1. Red LED Functions and Possible Causes for Fault. Symbol Indicated Possible Causes • Dip switch 1SW-7 turned on, preventing output transistors from Base Driver Blocked (DISABLED) turning ON. Use only when troubleshooting controller. • Noise present when using optional RS232 connector. Incorrect Communication Error switch setting on 1SW-3 and 1SW-4 if CPU LED also illumi- nated. -
Page 61: Understand Controller Status Indicators
• A two-channel oscilloscope Understand Controller Status SPEED/TORQUE: Indicates that the drive is operating at a with 10 to 1 probes. Indicators speed less than the value • A digital volt-ohmmeter with a Fault Contact determined by the PG pot. 10 megohm input impedance This contact indicates that a fault on all ranges, such as a Fluke... -
Page 62: Identify Fault Symptoms And Correct Using Flow Charts
Reliance Electric Sales • Controller will not start. Office for service coordination. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 63: Figure 7-1. Motor Will Not Run
Figure 7-1. Motor Will Not Run. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 64: Figure 7-2. Motor Runs At Uncontrolled Speed
Figure 7-2. Motor Runs at Uncontrolled Speed. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 65: Figure 7-3. Motor Rotation Is Unstable
Figure 7-3. Motor Rotation is Unstable. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 66: Figure 7-4. Acceleration/Deceleration Is Not Smooth
Figure 7-4. Acceleration/Deceleration is Not Smooth. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 67: Figure 7-5. Heavy Vibration Results When Motor Stops
Figure 7-5. Heavy Vibration Results When Motor Stops. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 68: Figure 7-6. Polarity Check At Diode
Power Unit Checks 2. With a volt-ohmmeter on a known diode, determine the meter polarity as shown in DANGER Figure 7-6. The meter reading THIS EQUIPMENT IS AT LINE should be a low ohm reading. VOLTAGE WHEN A-C POW- 3. Set a volt-ohmmeter on the x1 ER IS CONNECTED TO THE ohmmeter scale and measure CONTROLLER. -
Page 69: Figure 7-8. Typical Transistor Wiring
6. Set a volt-ohmmeter on the x1 Figure 7-8. Typical Transistor Wiring. ohmmeter scale and measure the resistance by referring to the labels B, E and C on the transistor block. Volt-ohmmeter current must be less than 150 mA. See Figures 7-7 and 7-8 and refer to Table 7-3. -
Page 70: Table 7-4. Replacement Parts List
Table 7-4. Replacement Parts List. Qty. Reliance U.S. Description Per Drive Part Number Input Power Diode Cube 7 1/2 – 15 HP 701819-102AW Output Transistor 7 1/2 HP 602909-119AB 15 HP 602909-120AB Control Transformer 7 1/2 HP 803424-12R 15 HP 803424-12S MOV Assembly 7 1/2 –... -
Page 71: Table 7-5. Modification Kits
Table 7-5. Modification Kits. Description Model Number Instruction Manual Cables Controller to TB Sequencing 3 ft 7 1/2 – 15 4RC034 D5-3026 5 ft 7 1/2 – 15 4RC054 D5-3026 10 ft 7 1/2 – 15 4RC104 D5-3026 Encoder 3 ft 7 1/2 –... -
Page 72: Figure 7-9. Typical Wiring Diagram
Figure 7-9. Typical Wiring Diagram. 7:14 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 73: Figure 7-10. Typical Functional Block Diagram
(SBD FBK) Figure 7-10. Typical Functional Block Diagram. 7:15 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 74: Figure 7-11. Typical Regulator Board Component Layout
Figure 7-11. Typical Regulator Board Component Layout. 7:16 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... - Page 75 Index Page Accel/Decel Ramp 2J ..........Adjustments .
- Page 76 Page Establish Regular Motor Maintenance Program ..... . Factory Setup 3J ..........Fault Symptoms .
- Page 77 Page Regulator Dip Switch Settings ......... . 3:21 Initialize .
- Page 78 Reliance Electric / 24701 Euclid Avenue / Cleveland, Ohio 44117 / (216) 266-7000 Printed in U.S.A. D5-3031-4 1293 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
- Page 79 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...