Omron 3G3AX-PG User Manual
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Omron 3G3AX-PG User Manual

Omron 3G3AX-PG User Manual

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Cat. No. I564-E1-01
USER'S MANUAL
3G3AX-PG
Encorder Feedback Board

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Summary of Contents for Omron 3G3AX-PG

  • Page 1 Cat. No. I564-E1-01 USER’S MANUAL 3G3AX-PG Encorder Feedback Board...
  • Page 3 Introduction Introduction Thank you for choosing the 3G3AX-PG Board. This User's Manual (hereinafter called “this manual”) describes the parameter setting methods required for installation/wiring and operation of the 3G3AX-PG model, as well as troubleshooting and inspection methods. This manual should be delivered to the actual end user of the product.
  • Page 4 PRODUCTS, WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT LIABILITY. In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted. IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS...
  • Page 5 Application Considerations SUITABILITY FOR USE OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's application or use of the products. At the customer's request, OMRON will provide applicable third party certification documents identifying ratings and limitations of use that apply to the products.
  • Page 6 Performance data given in this manual is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of OMRON's test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to the OMRON Warranty and Limitations of Liability.
  • Page 7 Indications and Meanings of Safety Information In this user’s manual, the following precautions and signal words are used to provide information to ensure the safe use of the 3G3AX-PG Board. The information provided here is vital to safety. Strictly observe the precautions provided.

  • Page 8: Precautions For Safe Use

    Precautions for Safe Use Precautions for Safe Use Installation and Storage Do not store or use the product in the following places. • Locations subject to direct sunlight. • Locations subject to ambient temperature exceeding the specifications. • Locations subject to relative humidity exceeding the specifications. •...

  • Page 9: Precautions For Correct Use

    Precautions for Correct Use Precautions for Correct Use Rated Voltage Confirm that the power voltage for the encoder is the same as the rated voltage (+5 V DC) of the product. Product Disposal Comply with the local ordinance and regulations when disposing of the product.

  • Page 10: Checking Before Unpacking

    Checking Before Unpacking Checking the Product On delivery, be sure to check that the delivered product is the 3G3AX-PG Board that you ordered. Should you find any problems with the product, immediately contact your nearest local sales representative or OMRON sales office.

  • Page 11: Revision History

    Revision History Revision History A manual revision code appears as a suffix to the catalog number located at the lower left of the front and back covers. I564-E1-01 Cat.No. Revision code Revision Revision date Changes and revision pages code April 2008 First printing...

  • Page 12: About This Manual

    About This Manual About This Manual This User's Manual is compiled chapter by chapter for user's convenience as follows: Understanding the following configuration ensures more effective use of the product. Chapter Overview Chapter 1 Overview Describes the functional block diagram of the product. Describes the mounting method of the product, terminal names, and Chapter 2 Design...

  • Page 13: Table Of Contents

    Contents Introduction....................1 Read and Understand This Manual............2 Safety Precautions ..................5 Precautions for Safe Use.................6 Precautions for Correct Use ..............7 Checking Before Unpacking ..............8 Revision History..................9 About This Manual...................10 Chapter 1 Overview Overview....................1-1 Chapter 2 Design Mounting the PG Board ................2-1 Terminal Arrangement ................2-2 Terminal Functions ..................2-3 Wiring.......................2-4...
  • Page 14 Contents...

  • Page 15: Chapter 1 Overview

    Chapter 1 Overview 1-1 Overview ............1-1...
  • Page 16 Inverter Internal settings Torque Position Speed Current control control control limit PCLR Rotation 3G3AX-PG speed detection Position Orientation EAP,EAN detection EBP,EBN control EZP,EZN EP5,EG5 AP,AN STAT Excessive speed 0 Hz...
  • Page 17 Chapter 2 Design 2-1 Mounting the PG Board ........2-1 2-2 Terminal Arrangement........2-2 2-3 Terminal Functions .......... 2-3 2-4 Wiring ..............2-4 2-5 Connection Diagram ........2-6 2-6 Switch Settings ..........2-8 2-7 Switch Setting Flow Chart ....... 2-9...

  • Page 18: Mounting The

    2-1 Mounting the PG Board 2Design 2-1 Mounting the PG Board Securely mount the PG Board as shown below. Place the four holes (in the corners) and the connector (on the back) of the PG Board on Board port 1 (or port 2) correctly, with the two holes on the guideposts and the other two on the screw holes. The PG Board Guideposts for positioning the PG Board...

  • Page 19: Terminal Arrangement

    2-2 Terminal Arrangement 2-2 Terminal Arrangement The terminal arrangement on the PG Board is shown below. DIP switch DIP switch SWENC Connector to the Inverter TM1 terminal arrangement TM2 terminal arrangement EP5 EG5 EAP EAN EBP EBN EZP EZN SAP SAN SBP SBN AP AN BP BN...

  • Page 20: Terminal Functions

    2-3 Terminal Functions 2-3 Terminal Functions Terminal Terminal symbol Functions Electric specifications name •Pulse train mode selection (P013) Mode 0: Pulse train with 90° phase difference Pulse train Mode 1: Forward/Reverse command + Pulse train position 5V DC Receiver input Mode 2: Forward pulse train + Reverse pulse train command (Complies with RS-422)

  • Page 21: Wiring

    2-4 Wiring 2-4 Wiring Wiring Length of Encoder Cable Do not exceed 20 m for the wiring length of the encoder cable. If the wiring length should be 20 m or longer by necessity, use a relay amplifier that specifies 5 V line driver output. In this case, be careful of the following points for wiring.
  • Page 22 The ferrite core mounting method is shown below. Mount the two provided ferrite cores as below when connecting the encoder cable. Connect the wire to the EG5 terminal of the 3G3AX-PG Board through the ferrite cores for shielding. 3G3AX-PG Ferrite cores...

  • Page 23: Connection Diagram

    2-5 Connection Diagram 2-5 Connection Diagram Available to assign to multi-function input PG Board Inverter control terminal Encoder signal terminals 1 to 8 (LAD cancel) Input (Position deviation PCLR terminal clear) (Orientation) STAT (Pulse train position command input permission) (Position ready) Output (0 Hz signal) terminal...
  • Page 24 2-5 Connection Diagram Note 3: Separate the wiring from that of the main circuit and/or the relay control circuit. If they have to be crossed, be sure to cross them at right angles. Main circuit R/L1, S/L2, T/L3, U/T1, V/T2, W/T3, power cable P/+2, PD, RB, N/-, Ro, To etc.

  • Page 25: Switch Settings

    2-6 Switch Settings 2-6 Switch Settings Switch Arrangement The switch arrangement is shown below. SWENC Switch [ON/OFF] setting Slide the switch from left (OFF) to right to turn it ON. Default Settings The default settings (factory settings) are shown below. DIP switch Default Switch No.

  • Page 26: Switch Setting Flow Chart

    2-7 Switch Setting Flow Chart 2-7 Switch Setting Flow Chart Start Will disconnection detection of the encoder A and B phases signal be enabled? Turn OFF the SWENC1. Turn ON the SWENC1. Will disconnection detection of the encoder Z phase signal be enabled? Turn OFF the SWENC2.

  • Page 27: Chapter 3 Operation

    Chapter 3 Operation 3-1 Related Parameters.......... 3-1 3-2 Precautions for Operation....... 3-8...

  • Page 28: Related Parameters

    3-1 Related Parameters 3Operation 3-1 Related Parameters For details on the parameters, refer to "Chapter 4 Functions" and the Inverter 3G3RX User’s Man- ual. Parameter Default setting Changes dur- Function name Data range Unit (3G3RX-) ing operation 00: Digital Operator (FREQ adjuster) (Enabled when 3G3AX-OP01 is connected.) 01: Terminal...
  • Page 29 3-1 Related Parameters Parameter Changes dur- Function name Data range Default setting Unit ing operation Multi-function input 1 C001 selection 45: ORT (orientation) Multi-function input 2 47: PCLR (position deviation clear) C002 selection 48: STAT (pulse train position command input permission) Multi-function input 3 C003 50: ADD (frequency addition)
  • Page 30 3-1 Related Parameters Parameter Changes dur- Function name Data range Default setting Unit ing operation Motor parameter 0.001 to 9.999 Depends on the × Ω H021 10.00 to 65.53 motor capacity. Motor parameter 0.01 to 99.99 Depends on the × H022 100.0 to 655.3 motor capacity.
  • Page 31 3-1 Related Parameters Parameter Changes dur- Function name Data range Default setting Unit ing operation Operation 00: Trip × − P001 selection at 01: Continues operation option 1 error Operation 00: Trip × − P002 selection at 01: Continues operation option 2 error 128.
  • Page 32 3-1 Related Parameters Parameter Changes dur- Function name Data range Default setting Unit ing operation Secondary resis- tance compensa- 00: Disabled × − P025 tion enable/ 01: Enabled disable selection Overspeed error × P026 0.0 to 150.0 135.0 detection level Speed deviation 0.00 to 99.99 ×...
  • Page 33 3-1 Related Parameters Parameter Changes dur- Function name Data range Default setting Unit ing operation Pulse train − × P057 frequency bias 100. to +100. amount Pulse train × P058 0. to 100. 100. frequency limit Multi-step position P060 command 0 Multi-step position P061 command 1...
  • Page 34 3-1 Related Parameters Parameter Changes dur- Function name Data range Default setting Unit ing operation 00: Multi-step position command 0 (P060) 01: Multi-step position command 1 (P061) 02: Multi-step position command 2 (P062) Teaching 03: Multi-step position command 3 (P063) −...

  • Page 35: Precautions For Operation

    3-2 Precautions for Operation 3-2 Precautions for Operation Operation For operation, refer to “Chapter 3 Operation” of the Inverter 3G3RX User’s Manual. When operating the RUN command from the terminal block side of the Inverter, follow the procedure below. 1. Supply power to the Inverter. 2.
  • Page 36 3-2 Precautions for Operation Note 5: If vector control cannot provide the desired characteristics, adjust the motor parameters depending on the phenomenon, according to the table below. Operation status Phenomenon Adjustment method Adjustment item Reduce motor parameter J from the set During startup Shock occurs during startup.
  • Page 37 Chapter 4 Functions 4-1 V2 Control Mode Selection......4-1 4-2 Sensor Vector Control (speed control) ..4-2 4-3 Pulse Train Position Control Mode ....4-6 4-4 Absolute Position/High-resolution Absolute Position Control Modes ....4-15...

  • Page 38: V2 Control Mode Selection

    4-1 V2 Control Mode Selection 4Functions 4-1 V2 Control Mode Selection Select a control method in V2 control mode selection P012. When “00” (ASR) is selected in P012, speed control mode is enabled. Select a frequency reference in frequency reference selection A001. When “01”...

  • Page 39: Sensor Vector Control (Speed Control)

    4-2 Sensor Vector Control (speed control) 4-2 Sensor Vector Control (speed control) To use this function, set V/f characteristics selection A044 to “05” (V2), and V2 control mode selec- tion P012 to “00” (speed control). (“Sensor vector control” can be selected for 1st control only.) To use this function, make sure that the motor parameter settings are suitable for your motor.
  • Page 40 4-2 Sensor Vector Control (speed control) Torque Bias Function This function applies bias to the torque reference generated in speed control, and is useful for elevating applications. Parameter No. Function name Data Default setting Unit 00: Disabled − P036 Torque bias mode 01: Set via the Digital Operator 02: Set via terminal FE * −...
  • Page 41 4-2 Sensor Vector Control (speed control) Torque Control This function can be used in torque control, as well as in the speed and pulse train position controls. Torque control can be applied to winders, and more. To run the Inverter in torque control mode, allocate “52” (ATR) to any of the multi-function inputs. While the ATR terminal is turned on, the torque reference input is enabled.
  • Page 42 4-2 Sensor Vector Control (speed control) Control Block Diagram Torque bias Torque limit ATR terminal Torque reference Torque reference input (Reference value for current control) Speed control (P control) Speed Speed limit The speed control (P control) operates when a monitor value speed detection value exceeds the limit value.

  • Page 43: Pulse Train Position Control Mode

    4-3 Pulse Train Position Control Mode 4-3 Pulse Train Position Control Mode To use this function, set V/f characteristics selection A044 to “05” (V2), and V2 control mode selec- tion P012 to “01” (pulse train position control). (“Sensor vector control” can be selected for 1st control only.) Select a pulse train position command input mode in pulse train mode selection P013.
  • Page 44 4-3 Pulse Train Position Control Mode For details on the pulse train input mode, refer to the following. •Mode 0: pulse train with 90° phase difference (Pulse train input) (Pulse train input) Detected pulses Forward Reverse Time •Mode 1: Forward/Reverse command + Pulse train (Pulse train input) (Forward/Reverse command) Detected...
  • Page 45 4-3 Pulse Train Position Control Mode Electronic Gear Function This function allows you to set a gain relative to position command or position feedback and to change the main/sub motor rotation ratio, particularly for synchronous operation. Parameter No. Function name Data Default setting Unit...
  • Page 46 4-3 Pulse Train Position Control Mode Example: Synchronous Operation Master Inverter Slave Inverter AP, BP SAP, SBP AN, BN SAN, SBN EAP, EBP EAP, EBP EAN, EBN EAN, EBN Main motor motor For the Inverter (master Inverter) on the main motor side, you can select either the speed control or pulse train position control mode.
  • Page 47 4-3 Pulse Train Position Control Mode Configuration Example • Main motor : Number of encoder pulses = 1024 • Sub motor : Number of encoder pulses = 3000 • Main motor rpm : Sub motor rpm = 2:1 For operation under the above conditions, set the following data in the Inverter on the sub motor side.
  • Page 48 4-3 Pulse Train Position Control Mode Motor Gear Ratio Setting Function This function is useful for a system with an optional encoder installed on the machine side. Set the number of actual encoder pulses in encoder pulses P011. Set a motor-to-encoder rpm ratio in motor gear ratio numerator/denominator P028/P029. With the above settings, the number of encoder pulses converted into motor shaft data is set in the Inverter.
  • Page 49 4-3 Pulse Train Position Control Mode Speed Bias Function This function applies speed command bias in the pulse train position control mode. Set a bias value in frequency addition amount A145, and select a sign in frequency addition direc- tion A146. Allocate 50 (ADD) to any of the multi-function inputs.
  • Page 50 4-3 Pulse Train Position Control Mode Parameter No. Function name Data Default setting Unit Multi-function inputs 1 to 8 − C001 to C008 45: ORT (orientation) selection Multi-function output − − C021 to C025 terminal selection 23: POK (position ready) Relay output (MA, MB) C026 function selection...
  • Page 51 4-3 Pulse Train Position Control Mode Note 2: Orientation stop position is defined as 4096 (0 to 4095) divisions of one forward rotation from the reference point. (The number of divisions is fixed to 4096, regardless of the encoder’s number of pulses.) The reference point is defined as the point where the pulse is input between EZP and EZN.

  • Page 52: Absolute Position/High-Resolution Absolute Position Control Modes

    4-4 Absolute Position/High-resolution Absolute Position Control Modes 4-4 Absolute Position/High-resolution Absolute Position Control Modes To use the absolute position control mode, set V/f characteristics selection A044 to “05” (V2), and V2 control mode selection P012 to “02” (APR2: absolute position control). When “03”...
  • Page 53 4-4 Absolute Position/High-resolution Absolute Position Control Modes Parameter No. Function name Data Default setting Unit Low-speed zero return P070 0.00 to 10.00 0.00 frequency High-speed zero return P071 0.00 to 99.99/100.0 to 400.0 0.00 frequency Position range 0 to +268435456 : when APR2 is selected −...
  • Page 54 4-4 Absolute Position/High-resolution Absolute Position Control Modes Absolute Position Control Operation RUN command Output frequency (Hz) Speed command When the position command level is low, the motor decelerates and its position is determined before the output frequency reaches the speed Position ready range setting (P017) command level.
  • Page 55 4-4 Absolute Position/High-resolution Absolute Position Control Modes Multi-step Position Switching Function (CP1/CP2/CP3) By allocating “66” to “68” (CP1 to CP3) to any of multi-function inputs 1 to 8 (C001 to C008), you can select from multi-step positions 0 to 7. Set position commands in multi-step position commands 0 to 7 (P060 to P067).
  • Page 56 4-4 Absolute Position/High-resolution Absolute Position Control Modes Speed/Position Switching Function (SPD) This function is used for speed control operation. Allocate “73” (SPD) to any of the multi-function inputs. While the SPD terminal is turned ON, the current position counter is retained at zero. The Inverter shifts to the position control mode when the SPD terminal is turned OFF during operation.
  • Page 57 4-4 Absolute Position/High-resolution Absolute Position Control Modes Zero Return Function This function performs three types of zero return operations according to the zero return mode P068. When zero return is complete, the current position is cleared to zero. You can select the zero return direction in zero return direction selection P069. If zero return is not performed, the Inverter performs position control with the position at power-on defined as the origin.
  • Page 58 4-4 Absolute Position/High-resolution Absolute Position Control Modes Forward/Reverse Run Stop Function (FOT/ROT) With a signal from the control range limit switch, this function prevents the Inverter from running out- side the specified operation range. The torque limit is set to 10% on the forward side when the FOT terminal is turned on, and on the reverse side when the ROT terminal is turned on.
  • Page 59 4-4 Absolute Position/High-resolution Absolute Position Control Modes (3) When the target position is reached, press the Enter key on the Digital Operator. Press the key on the data display screen (the PRG LED indicator is lit). (4) The current position is set to the area corresponding to the position command source set in teaching selection P074.
  • Page 60 4-4 Absolute Position/High-resolution Absolute Position Control Modes Pulse Train Frequency Input This function allows you to use a pulse train input to the SAP-SAN terminals on the PG Board as frequency reference or PID feedback value in each control mode. (This function can be used in all control modes.) Set the input frequency at the maximum frequency in pulse train frequency scale P055.

  • Page 61: Chapter 5 Maintenance Operations

    Chapter 5 Maintenance Operations 5-1 Operation Selection During Option Error ..5-1 5-2 Cause and Countermeasure of Option Errors... 5-2 5-3 Warning Display ..........5-3...

  • Page 62: Operation Selection During Option Error

    2 error 01: Continues operation Note:Even if 01 has been selected in operation selection at option error, the Inverter trips when an encoder disconnection error (E60, E70) or 3G3AX-PG connection error (E69, E79) occurs. Refer to "2-6 Switch Settings"(page 2-8).

  • Page 63: Cause And Countermeasure Of Option Errors

    Correct the position command. ek7k3. trol range trip ing range specifications for both Forward (P072) and Reverse (P073) during absolute position control. 3G3AX-PG ek6k9. Detects PG Board connection connection Check the PG Board connection. failure. ek7k9.

  • Page 64: Warning Display

    5-3 Warning Display 5-3 Warning Display For warnings other than the one mentioned below, refer to the general-purpose Inverter 3G3RX User’s Manual. Fault display Description Displays when the orientation speed setting (P015) becomes larger than the maximum frequency (A004). Check the orientation speed setting and the maximum frequency.

  • Page 65: Chapter 6 Specifications

    Chapter 6 Specifications 6-1 Product Specifications ........6-1...

  • Page 66: Product Specifications

    • Encoder cable disconnection protection • Overspeed protection (Overspeed error detection level Protective functions (P026)) • Positioning error • 3G3AX-PG connection error The Inverter setting or external input is available. Note that the 3G3AX-DI Board is required separately for the external input.
  • Page 68 Buyer indemnifies Omron against all related costs or expenses. rights of another party. 10. Force Majeure. Omron shall not be liable for any delay or failure in delivery 16. Property; Confidentiality. Any intellectual property in the Products is the exclu-...
  • Page 69 Schaumburg, IL USA • 847.843.7900 • 800.556.6766 • www.omron247.com OMRON CANADA, INC. • HEAD OFFICE OMRON ARGENTINA • SALES OFFICE Toronto, ON, Canada • 416.286.6465 • 866.986.6766 • www.omron.ca Cono Sur • 54.11.4787.1129 OMRON ELETRÔNICA DO BRASIL LTDA • HEAD OFFICE OMRON CHILE •...

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