EasyManua.ls Logo

Mitsubishi Electric MELSEC-Q QD75M User Manual

Mitsubishi Electric MELSEC-Q QD75M
858 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
MELSEC-Q
QD75M Positioning Module
User's Manual (Details)
-QD75M1
-QD75M2
-QD75M4

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Mitsubishi Electric MELSEC-Q QD75M and is the answer not in the manual?

Mitsubishi Electric MELSEC-Q QD75M Specifications

General IconGeneral
BrandMitsubishi Electric
ModelMELSEC-Q QD75M
CategoryValve Positioners
LanguageEnglish

Summary

SAFETY INSTRUCTIONS

Design Instructions

Design instructions for safety circuits, interlocks, and parameter settings to prevent mechanical damage.

INTRODUCTION

Section 1 Product Specifications and Handling

1.1 Positioning control

Details on positioning control, its features, applications, mechanism, and functions.

1.1.1 Features of QD75

Describes the availability of one, two, and four axis modules and the wide variety of positioning control functions supported.

1.1.2 Purpose and applications of positioning control

Explains the purpose of positioning and provides application examples like punch presses, palletizers, and machining centers.

1.1.3 Mechanism of positioning control

Explains the mechanism of positioning control using QD75, PLC CPU, servo amplifier, and external signals.

1.1.4 Overview of positioning control functions

Outlines linear control, circular interpolation control, and fixed-feed control functions.

1.2 Flow of system operation

Describes the overall flow of positioning control processes using QD75, from design to maintenance.

1.2.1 Flow of all processes

Presents a flowchart detailing all processes for system operation, including design, preparation, operation, and maintenance.

1.2.2 Outline of starting

Provides a flowchart for the starting outline of various controls like major positioning, high-level positioning, OPR, and manual control.

1.2.3 Outline of stopping

Details the stopping processes for different controls like forced stop, fatal stop, emergency stop, and intentional stop.

1.2.4 Outline for restarting

Explains the outline for restarting positioning control after a stop cause has occurred.

Chapter 2 System Configuration

2.1 General image of system

Shows a general image of the system including QD75, PLC CPU, and peripheral devices.

2.2 Component list

Lists the devices configured in the positioning system using the QD75, including modules, software, and cables.

2.3 Applicable system

Details the applicable modules and number of installable modules usable with the QD75.

2.4 How to check the function version and SERIAL No.

Explains how to check the function version and serial number of the QD75 module.

Chapter 3 Specifications and Functions

3.1 Performance specifications

Details the performance specifications of the QD75M1, QD75M2, and QD75M4 models.

3.2 List of functions

Lists the various control functions of the QD75, categorized into main functions, sub functions, and common functions.

3.2.1 QD75 control functions

Explains the main functions of the QD75, including OPR control, major positioning control, high-level positioning control, and manual control.

3.2.2 QD75 main functions

Details the main functions of the QD75, such as linear control, fixed-feed control, speed control, and current value changing.

3.3 Specifications of input/output signals with PLC CPU

Details the input/output signals used for data exchange between QD75 and PLC CPU.

3.4 Specifications of interfaces with external devices

Details the specifications of interfaces with external devices, including electrical specifications and signal layouts.

3.5 External circuit design

Provides an example of external circuit design, illustrating wiring for MR-J2-B/MR-J2S-B connection.

Chapter 4 Installation, Wiring and Maintenance of the Product

4.1 Outline of installation, wiring and maintenance

Outlines the procedures for installation, wiring, and maintenance of the QD75.

4.1.1 Installation, wiring and maintenance procedures

Details the step-by-step procedures for installation, wiring, and maintenance of the QD75.

4.1.3 Handling precautions

Provides essential handling precautions for the QD75 and cables to prevent damage or malfunctioning.

4.2 Installation

Covers precautions for installing the QD75 module, including SSCNET cable wiring.

4.2.1 Precautions for installation

Details specific precautions to be taken during the installation of the QD75.

4.3 Wiring

Explains the precautions for wiring the QD75, including routing, soldering, and separation of cables.

4.3.1 Precautions for wiring

Provides crucial safety precautions and best practices for wiring the QD75 module.

4.4 Confirming the installation and wiring

Lists points to confirm after completing the installation and wiring of the QD75.

4.5 Maintenance

Covers precautions for maintenance and disposal of the QD75.

4.5.1 Precautions for maintenance

Outlines essential safety precautions to follow during maintenance procedures.

Chapter 5 Data Used for Positioning Control

5.1 Types of data

Categorizes the types of data used for positioning control, including parameters, positioning data, and control data.

5.1.1 Parameters and data required for control

Lists the parameters and data required for control, such as setting, monitor, and control data.

5.1.2 Setting items for positioning parameters

Details the setting items for positioning parameters across various control types.

5.1.4 Setting items for servo parameters

Details the servo parameters used to control the servomotor and related data.

5.1.5 Setting items for positioning data

Lists the items to be set for producing positioning data for major positioning control.

5.1.6 Setting items for block start data

Outlines the setting items for block start data, which must be set for high-level positioning control.

5.1.7 Setting items for condition data

Details the setting items for condition data, which is required for high-level positioning control or JUMP instructions.

5.2 List of parameters

Lists and describes various parameters, including basic parameters 1 and 2, and OPR parameters.

5.2.1 Basic parameters 1

Details basic parameters like unit setting, pulses per rotation, and movement amount per rotation.

5.2.2 Basic parameters 2

Details basic parameters related to speed limit, acceleration time, and deceleration time.

5.2.3 Detailed parameters 1

Details parameters related to backlash compensation, software stroke limits, and M code output timing.

5.2.4 Detailed parameters 2

Details parameters related to acceleration/deceleration times, sudden stop settings, and external command function selection.

5.2.5 OPR basic parameters

Lists and explains OPR parameters such as OPR method, direction, and address.

5.3 List of positioning data

Lists all positioning data items from 1 to 600, showing their configuration in buffer memory.

5.4 List of block start data

Shows the organization of block start data stored in the QD75 buffer memory.

5.5 List of condition data

Illustrates the organization of condition data stored in the QD75 buffer memory.

5.6 List of monitor data

Lists the monitor data available for monitoring the positioning system's operating state.

5.7 List of control data

Lists control data items and their roles in controlling the positioning system.

Chapter 6 PLC Program Used for Positioning Control

6.1 Precautions for creating program

Lists common precautions to be taken when writing data from PLC CPU to QD75 buffer memory.

6.2 List of devices used

Lists the input/outputs, external inputs/outputs, and internal relays of QD75 used in PLC programs.

6.3 Creating a program

Explains the creation of the positioning control operation program, including general configuration.

6.3.1 General configuration of program

Shows the general configuration of the positioning control operation program.

6.3.2 Positioning control operation program

Details the various programs that configure the positioning control operation program.

6.4 Positioning program examples

Provides examples of PLC programs for axis 1 positioning.

6.5 Program details

Explains the details of various programs, including initialization, start, JOG, inching, and manual pulse generator operations.

6.5.1 Initialization program

Details the OPR request OFF program and the external command function valid setting program.

6.5.2 Start details setting program

Explains programs for setting control start details like positioning start No. and speed-position switching control.

6.5.3 Start program

Explains the program used to start the control with start commands, including inputting positioning start signal or external command signal.

6.5.4 Continuous operation interrupt program

Describes how to interrupt continuous positioning control and continuous path control.

6.5.5 Restart program

Explains how to restart positioning after a stop cause has occurred.

6.5.6 Stop program

Details the process for stopping the control, including deceleration stop, sudden stop, and servo OFF.

Chapter 7 Memory Configuration and Data Process

7.1 Configuration and roles of QD75 memory

Details the configuration and roles of QD75 memory, consisting of buffer memory and flash ROM.

7.1.1 Configuration and roles of QD75 memory

Describes the configuration and roles of QD75 memory, including area configurations for parameters, monitor data, etc.

7.1.2 Buffer memory area configuration

Shows the buffer memory area configuration for QD75, listing addresses and writing possibility.

7.2 Data transmission process

Explains the data transmission process between QD75 memories and with external devices, PLC CPU, and servo amplifier.

Chapter 8 OPR Control

8.1 Outline of OPR control

Outlines OPR control, defining it as establishing a position (OP) and carrying out positioning toward it.

8.1.1 Two types of OPR control

Explains the two types of OPR control: Machine OPR and Fast OPR.

8.2 Machine OPR

Details the operation of machine OPR, including its start and the establishment of the OP.

8.2.1 Outline of the machine OPR operation

Outlines the machine OPR operation, emphasizing that OP is established mechanically.

8.2.2 Machine OPR method

Explains the methods for establishing the machine OP, which differ based on parameter settings.

8.2.3 OPR method (1): Near-point dog method

Details the near-point dog method for machine OPR, including operation outline and precautions.

8.3 Fast OPR

Explains the fast OPR operation, which carries out positioning using machine OPR to the Md.21 value.

8.3.1 Outline of the fast OPR operation

Outlines the operation of fast OPR, including its start, positioning control, and completion.

Chapter 9 Major Positioning Control

9.1 Outline of major positioning controls

Outlines major positioning controls, their required data, operation patterns, and addressing.

9.1.1 Data required for major positioning control

Details the data configuration and setting requirements for major positioning controls.

9.1.2 Operation patterns of major positioning controls

Explains the three operation patterns for major positioning controls: Positioning complete, Continuous positioning, and Continuous path control.

9.1.3 Designating the positioning address

Describes the two methods for commanding position: Absolute system and Incremental system.

9.1.6 Interpolation control

Explains interpolation control, including linear, circular, and fixed-feed types, and reference/interpolation axis combinations.

9.2 Setting the positioning data

Details how to set the positioning data for various controls, including linear, circular, speed, and switching controls.

9.2.2 1-axis linear control

Explains 1-axis linear control (ABS and INC), including operation chart and positioning data examples.

9.2.3 2-axis linear interpolation control

Details 2-axis linear interpolation control (ABS and INC), including operation charts and restrictions.

9.2.4 3-axis linear interpolation control

Explains 3-axis linear interpolation control (ABS and INC), including operation charts and restrictions.

9.2.5 4-axis linear interpolation control

Details 4-axis linear interpolation control (ABS and INC), including operation charts and restrictions.

9.2.6 1-axis fixed-feed control

Explains 1-axis fixed-feed control and its restrictions.

9.2.7 2-axis fixed-feed control (interpolation)

Details 2-axis fixed-feed control with interpolation, including operation chart and restrictions.

9.2.8 3-axis fixed-feed control (interpolation)

Explains 3-axis fixed-feed control with interpolation, including operation chart.

9.2.9 4-axis fixed-feed control (interpolation)

Details 4-axis fixed-feed control with interpolation, including operation chart and restrictions.

9.2.10 2-axis circular interpolation control with sub point designation

Explains 2-axis circular interpolation control with sub point designation (ABS and INC circular sub).

9.2.11 2-axis circular interpolation control with center point designation

Details 2-axis circular interpolation control with center point designation (ABS and INC circular right/left).

9.2.12 1-axis speed control

Explains 1-axis speed control, including operation timing.

9.2.13 2-axis speed control

Details 2-axis speed control, including operation timing and current feed value during speed control.

9.2.14 3-axis speed control

Explains 3-axis speed control, including operation timing.

9.2.15 4-axis speed control

Details 4-axis speed control, including operation timing.

9.2.16 Speed-position switching control (INC mode)

Explains speed-position switching control in INC mode, including signal setting and switching over.

9.2.17 Speed-position switching control (ABS mode)

Details speed-position switching control in ABS mode, including signal setting and switching over.

9.2.18 Position-speed switching control

Explains position-speed switching control, including switching over from position control to speed control.

9.2.19 Current value changing

Explains how to change the current value using positioning data or a start No.

Chapter 10 High-Level Positioning Control

10.1 Outline of high-level positioning control

Outlines high-level positioning control, its execution order, and conditions set in block start data and condition data.

10.1.1 Data required for high-level positioning control

Lists the data required for high-level positioning control, including block start data and condition data.

10.1.2 "Block start data" and "condition data" configuration

Shows the configuration of block start data and condition data corresponding to block No. 7000.

10.2 High-level positioning control execution procedure

Details the step-by-step procedure for executing high-level positioning control.

10.3 Setting the block start data

Explains how to set the block start data, including its relation to various controls and specific types like normal start, condition start, and wait start.

10.3.2 Block start (normal start)

Explains block start (normal start) where positioning data groups are continuously executed.

10.3.3 Condition start

Details condition start, where block start data is executed after condition judgment.

10.3.4 Wait start

Explains wait start, where control stops until conditions are established.

10.3.5 Simultaneous start

Describes simultaneous start, where positioning data for multiple axes is executed at the same timing.

10.4 Setting the condition data

Explains how to set condition data, including its relation to various controls and setting examples.

10.5 Multiple axes simultaneous start control

Explains multiple axes simultaneous start control, its procedure, and restrictions.

10.6 Start program for high-level positioning control

Details how to create a start program for high-level positioning control.

10.6.1 Starting high-level positioning control

Explains the procedure for starting high-level positioning control.

Chapter 11 Manual Control

11.1 Outline of manual control

Outlines manual control, describing its three types.

11.1.1 Three manual control methods

Explains the three types of manual control: JOG operation, Inching operation, and Manual pulse generator operation.

11.2 JOG operation

Details JOG operation, including its outline, execution procedure, parameters, and examples.

11.2.1 Outline of JOG operation

Outlines JOG operation, explaining how the machine moves by pulses transmitted while the JOG START signal is ON.

11.2.2 JOG operation execution procedure

Describes the step-by-step procedure for executing JOG operation.

11.2.3 Setting the required parameters for JOG operation

Lists the necessary positioning parameters for carrying out JOG operation.

11.3 Inching operation

Details inching operation, including its outline, execution procedure, parameters, examples, and precautions.

11.3.1 Outline of inching operation

Outlines inching operation, explaining its function of outputting minute movement amounts.

11.3.2 Inching operation execution procedure

Describes the step-by-step procedure for executing inching operation.

11.3.3 Setting the required parameters for inching operation

Lists the necessary positioning parameters for carrying out inching operation.

11.4 Manual pulse generator operation

Explains manual pulse generator operation, including its outline, execution procedure, parameters, and program creation.

11.4.1 Outline of manual pulse generator operation

Outlines manual pulse generator operation, explaining how pulses are input to QD75.

11.4.2 Manual pulse generator operation execution procedure

Describes the step-by-step procedure for executing manual pulse generator operation.

11.4.3 Setting the required parameters for manual pulse generator operation

Lists the necessary positioning parameters for manual pulse generator operation.

Chapter 12 Control Sub Functions

12.1 Outline of sub functions

Outlines the sub functions available, categorized by their role.

12.1.1 Outline of sub functions

Lists the types of sub functions, including those for OPR, control compensation, and limiting.

12.2 Sub functions specifically for machine OPR

Details sub functions specifically for machine OPR, namely OPR retry and OP shift.

12.2.1 OPR retry function

Explains the OPR retry function, which retries OPR with limit switches when the workpiece goes past the OP.

12.3 Functions for compensating the control

Covers functions for compensating control, including backlash compensation, electronic gear, and near pass.

12.3.1 Backlash compensation function

Explains the backlash compensation function, which compensates for mechanical backlash by outputting extra pulses.

12.3.2 Electronic gear function

Details the electronic gear function, which adjusts pulses for machine movement and compensates for mechanical system errors.

12.4 Functions to limit the control

Covers functions that limit control, including speed limit, torque limit, and software/hardware stroke limits.

12.4.1 Speed limit function

Explains the speed limit function, which limits command speed to a set value.

12.4.2 Torque limit function

Details the torque limit function, which limits generated torque to a set value.

12.4.3 Software stroke limit function

Explains the software stroke limit function, which prevents commands outside the set range.

12.4.4 Hardware stroke limit function

Details the hardware stroke limit function, which uses limit switches for deceleration stop.

12.5 Functions to change the control details

Covers functions to change control details like speed, override, and acceleration/deceleration times.

12.5.1 Speed change function

Explains the speed change function, which changes speed during control to a newly designated speed.

12.6 Absolute position system

Explains the absolute position system configuration and precautions.

12.7 Other functions

Lists other functions like step, skip, M code output, teaching, target position change, etc.

12.7.1 Step function

Explains the step function for confirming operation one by one, used in debugging.

12.7.2 Skip function

Details the skip function, which stops positioning and executes the next positioning data.

12.7.3 M code output function

Explains the M code output function for commanding sub work related to positioning data.

12.7.4 Teaching function

Describes the teaching function for setting addresses, used with manual control.

12.7.5 Target position change function

Explains the target position change function, allowing modification of target position and speed.

12.7.7 Acceleration/deceleration processing function

Explains the acceleration/deceleration processing function for adjusting acceleration/deceleration.

12.7.8 Pre-reading start function

Describes the pre-reading start function, which shortens the virtual start time.

12.7.9 Deceleration start flag function

Explains the deceleration start flag function, which turns ON a flag when deceleration status is switched.

12.7.10 Stop command processing for deceleration stop function

Details the stop command processing for deceleration stop function, allowing selection of deceleration curves.

12.8 Other functions

Lists other functions such as servo ON/OFF and follow-up function.

12.8.1 Servo ON/OFF

Explains how to set servo ON/OFF status.

12.8.2 Follow up function

Details the follow-up function, which monitors motor rotations with servo OFF.

Chapter 13 Common Functions

13.1 Outline of common functions

Outlines common functions, indicating whether they are executed by PLC program or peripheral devices.

13.2 Parameter initialization function

Explains the parameter initialization function, which returns settings to factory-set values.

13.3 Execution data backup function

Details the execution data backup function, which writes execution data to flash ROM.

13.4 External I/O signal logic switching function

Explains the external I/O signal logic switching function, which switches signal logic according to connected external devices.

13.5 External I/O signal monitor function

Describes the external I/O signal monitor function for monitoring external I/O signals.

Chapter 14 Dedicated Instructions

14.1 List of dedicated instructions

Lists all dedicated instructions available for QD75, such as PSTRT, TEACH, PFWRT, and PINIT.

14.2 Interlock during dedicated instruction is executed

Explains interlocks during the execution of dedicated instructions, noting that PSTRT and TEACH cannot be executed simultaneously for the same axis.

14.3 PSTRT1, PSTRT2, PSTRT3, PSTRT4

Details the PSTRT instructions used to start the positioning of a designated axis.

14.4 TEACH1, TEACH2, TEACH3, TEACH4

Explains the TEACH instructions used to teach the designated axis.

14.5 PFWRT

Describes the PFWRT instruction used to write QD75 parameters, positioning data, and block start data to flash ROM.

14.6 PINIT

Explains the PINIT instruction used to initialize the setting data of the QD75.

Chapter 15 Troubleshooting

15.1 Error and warning details

Provides details of errors and warnings detected by the QD75 and servo amplifier.

15.2 List of errors

Lists various errors detected by the QD75 and servo amplifier, along with their causes and operation status.

15.2.1 QD75 detection error

Details errors detected by the QD75, including parameter setting range errors and operation start errors.

15.2.2 MR-H-BN detection error

Lists detection errors related to the MR-H-BN servo amplifier.

15.2.3 MR-J2-B detection error

Details detection errors related to the MR-J2-B servo amplifier.

15.2.4 MR-J2S-B detection error

Lists detection errors related to the MR-J2S-B servo amplifier.

15.2.5 MR-J2-Jr detection error

Details detection errors related to the MR-J2-Jr servo amplifier.

15.2.6 MR-J2M-B detection error

Lists detection errors related to the MR-J2M-B servo amplifier.

15.3 List of warnings

Lists warnings detected by the QD75, including system warnings, axis warnings, and servo amplifier warnings.

15.3.1 QD75 detection warning

Details warnings detected by the QD75, such as start during operation and restart not possible.

15.3.2 MR-H-BN detection warning

Lists detection warnings related to the MR-H-BN servo amplifier.

15.3.3 MR-J2-B detection warning

Details detection warnings related to the MR-J2-B servo amplifier.

15.3.4 MR-J2S-B detection warning

Lists detection warnings related to the MR-J2S-B servo amplifier.

15.3.5 MR-J2-Jr detection warning

Details detection warnings related to the MR-J2-Jr servo amplifier.

15.3.6 MR-J2M-B detection warning

Lists detection warnings related to the MR-J2M-B servo amplifier.

15.4 LED display functions

Explains the operation and indications of the LEDs on the QD75 main unit.