Contents

SAFETY PRECAUTIONS
REVISIONS
INTRODUCTION
CONTENTS
About Manuals
1. OVERVIEW
- 1.1 Overview
- 1.2 Features
  - 1.2.1 Features of Motion CPU
  - 1.2.2 Basic specifications of Q173HCPU/Q172HCPU
- 1.3 Hardware Configuration
  - 1.3.1 Motion system configuration
  - 1.3.2 Q173HCPU System overall configuration
  - 1.3.3 Q172HCPU System overall configuration
  - 1.3.4 Software packages
  - 1.3.5 Restrictions on motion systems
2. MULTIPLE CPU SYSTEM
- 2.1 Multiple CPU System
  - 2.1.1 Overview
  - 2.1.2 Installation of PLC CPU and Motion CPU
  - 2.1.3 Precautions for using Q series I/O modules and intelligent function modules
  - 2.1.4 Modules subject to installation restrictions
  - 2.1.5 Processing time of the Multiple CPU system
  - 2.1.6 How to reset the Multiple CPU system
  - 2.1.7 Processing at a CPU DOWN error occurrence by a PLC CPU or Q173HCPU/Q172HCPU
- 2.2 Starting Up the Multiple CPU System
  - 2.2.1 Startup Flow of the Multiple CPU System
- 2.3 Communication between the PLC CPU and the Motion CPU in the Multiple CPU System
  - 2.3.1 Automatic Refresh Function of The Shared CPU Memory
  - 2.3.2 Control Instruction from the PLC CPU to The Motion CPU (Motion dedicated instructions)
  - 2.3.3 Reading/Writing Device Data
  - 2.3.4 Shared CPU Memory
- 2.4 Multiple CPU Error Codes
  - 2.4.1 Self-diagnosis error code
  - 2.4.2 Release of self-diagnosis error
3. COMMON PARAMETERS
- 3.1 System Settings
  - 3.1.1 System data settings
  - 3.1.2 Common system parameters
  - 3.1.3 Individual parameters
- 3.2 Assignment of I/O No.
  - 3.2.1 I/O No. for I/O modules and intelligent function modules
  - 3.2.2 I/O No. of PLC CPU and Q173HCPU/Q172HCPU
  - 3.2.3 Setting I/O No.
- 3.3 Servo Parameters
  - 3.3.1 Servo parameters of servo amplifier
  - 3.3.2 Regenerative brake option
  - 3.3.3 Absolute position detection system
  - 3.3.4 Function selection A-1
  - 3.3.5 Auto tuning mode
  - 3.3.6 Auto tuning response
  - 3.3.7 In-position range
  - 3.3.8 Rotation direction selection
  - 3.3.9 Encoder output pulse
  - 3.3.10 Adaptive tuning mode
  - 3.3.11 Vibration suppression control tuning mode
  - 3.3.12 Feed forward gain
  - 3.3.13 Notch shape selection 1
  - 3.3.14 Notch shape selection 2
  - 3.3.15 Low pass filter selection
  - 3.3.16 Slight vibration suppression control selection
  - 3.3.17 Gain changing selection
  - 3.3.18 Encoder output pulse selection
  - 3.3.19 Function selection C-1
  - 3.3.20 Function selection C-2
  - 3.3.21 Analog monitor 1 output
  - 3.3.22 Analog monitor 2 output
  - 3.3.23 Function Selection C-4
  - 3.3.24 Alarm history clear
  - 3.3.25 Output signal device selection 1
  - 3.3.26 Output signal device selection 2
  - 3.3.27 Output signal device selection 3
  - 3.3.28 Function selection D-3
4. AUXILIARY AND APPLIED FUNCTIONS
- 4.1 Limit Switch Output Function
  - 4.1.1 Operations
  - 4.1.2 Limit output setting data
- 4.2 Absolute Position System
  - 4.2.1 Current value control
- 4.3 High-Speed Reading of Specified Data
- 4.4 ROM Operation Function
  - 4.4.1 About the ROM operation function
  - 4.4.2 Specifications of LED switch
  - 4.4.3 ROM operation function details
  - 4.4.4 Operating procedure of "ROM writing"
- 4.5 Security Function
  - 4.5.1 Password registration/change
  - 4.5.2 Password clearance
  - 4.5.3 Password check
  - 4.5.4 Password save
- 4.6 Clear All
- 4.7 Communication via Network
  - 4.7.1 Specifications of the communications via network
  - 4.7.2 Access range of the communications via network
- 4.8 Monitor Function of the Main Cycle
- 4.9 Servo Parameter Reading Function
- 4.10 Optional Data Monitor Function
- 4.11 Connect/Disconnect Function
WARRANTY

Mitsubishi Q172HCPU Programming Manual

Mitsubishi Q172HCPU Controller manual cover

Pages 176

Year 2006

Language(s)

of 176

Programming Manual

176 pages

User's Manual

206 pages

Mitsubishi Q172HCPU Controller Specification

The Mitsubishi Q172HCPU Controller is a sophisticated automation device designed for high-performance industrial applications, offering robust control and advanced processing capabilities. It serves as a central processing unit in Mitsubishi's Q Series PLC lineup, renowned for its flexibility and integration into complex control systems. The controller is equipped with a 32-bit RISC processor, providing fast and efficient data processing with an execution speed of 1.9 ns per instruction, ensuring minimal latency in demanding environments.

The Q172HCPU supports an extensive memory capacity, featuring 20K steps of program memory, which allows for the development of intricate control programs. It is compatible with a wide range of I/O modules, enhancing its adaptability to various automation tasks. The controller includes communication ports for seamless connectivity, featuring an Ethernet interface and RS-232/422/485 ports to facilitate integration with external devices and networks.

It supports multiple programming languages as per IEC 61131-3 standards, including ladder logic, structured text, and function block diagram, providing flexibility in programming and ease of use for engineers familiar with different coding environments. The Q172HCPU is designed for reliability and durability, with robust error detection and diagnostic features to ensure continuous operation and minimal downtime.

Furthermore, it supports advanced motion control capabilities, making it suitable for applications requiring precise control and synchronization of multiple axes. The controller is engineered to meet industry standards, ensuring compatibility and interoperability with other equipment and systems. Its compact design and modular architecture allow for easy installation and scalability, making it an ideal choice for diverse industrial automation applications.

Mitsubishi Q172HCPU Controller F.A.Q.

What are the initial steps to configure the Mitsubishi Q172HCPU Controller?

To configure the Mitsubishi Q172HCPU Controller, start by connecting it to a PC using the appropriate programming cable. Then, install and launch the GX Developer or GX Works2 software. Use the software to establish a communication link and set up the basic parameters, such as model selection and communication settings. Finally, download the initial program to the controller to complete the configuration.

How can I troubleshoot communication issues between the Q172HCPU and a peripheral device?

First, verify all physical connections and ensure that cables are securely attached. Check the communication settings in the controller and the peripheral device to ensure compatibility. Use diagnostic tools provided in the GX Developer or GX Works2 software to identify errors or mismatches in communication protocols. If issues persist, examine error codes on the controller's display or in the software logs for further insights.

What regular maintenance practices should be performed on the Q172HCPU Controller?

Regular maintenance for the Q172HCPU Controller includes ensuring that the unit is free of dust and debris, checking connections for signs of wear or corrosion, and verifying that the cooling system is functioning properly. Periodically back up the controller's program and data to prevent data loss. Additionally, monitor and log the controller's performance to detect any irregularities early.

How can I update the firmware on the Mitsubishi Q172HCPU Controller?

To update the firmware, download the latest firmware version from Mitsubishi's official website. Connect your PC to the controller, then launch the firmware update tool provided by Mitsubishi. Follow the on-screen instructions to select the firmware file and initiate the update process. Ensure that the controller remains powered on and connected throughout the update to avoid corruption.

What are the common error codes displayed by the Q172HCPU, and how can they be resolved?

Common error codes include E0 (CPU stop error), E1 (I/O error), and E2 (program error). To resolve these, check the program logic and I/O configuration for errors. For CPU stop errors, inspect the hardware setup and ensure all required modules are properly installed. Consult the manual for specific error code details and recommended corrective actions.

How can I optimize the performance of the Q172HCPU Controller in a high-demand application?

Optimize performance by ensuring that the program is efficient and free of unnecessary loops or delays. Utilize Mitsubishi’s advanced instruction set for faster execution of complex tasks. Regularly update the firmware and software to benefit from performance improvements. Additionally, consider upgrading the hardware if the current setup consistently operates near its limits.

What steps should be taken if the Q172HCPU Controller fails to boot?

If the controller fails to boot, first check the power supply and ensure it is within the specified range. Inspect all connections and cables for signs of damage. Disconnect any optional modules or peripherals to isolate the issue. If the problem persists, attempt to reset the controller to its factory settings as a last resort, and consult the manual or a professional technician for further assistance.

How can I back up and restore programs on the Q172HCPU Controller?

To back up programs, connect the controller to a PC and use GX Developer or GX Works2 to upload the current program to the PC. Save the program file in a secure location. To restore, connect the PC to the controller, open the saved program in the software, and download it back to the controller. Ensure that connections are secure during this process to prevent data loss.

What is the procedure to add an expansion module to the Q172HCPU Controller?

Before adding an expansion module, power down the controller and ensure it is safely disconnected from any power source. Attach the expansion module to the designated slot and secure it properly. Power up the controller and use GX Developer or GX Works2 to configure the module settings in the controller's I/O configuration. Verify the module functionality by running a test program.

How can I ensure data integrity when transferring programs to the Q172HCPU Controller?

To ensure data integrity, use high-quality cables and connectors for data transfer. Employ error-checking protocols available in the programming software. Before transferring, verify the program for errors or inconsistencies. During the transfer, ensure stable power supply and avoid interruptions. After transfer, run a validation test to confirm that the program operates as expected.