Mitsubishi DIASYS Nettation MODBUS TCP Driver Instructions

Core Overview

Purpose: To explain the Ethernet MODBUS TCP communication connection, configuration, address, and error handling between Pro face touch screens and Mitsubishi Heavy Industries DIASYS Netmation system

Applicable Products

Upper level: Pro face touch screen (does not support GP-4100 monochrome models)

Lower level: Mitsubishi Heavy Industries Netmation CPU Controller

Communication method: MODBUS TCP/Ethernet

Configuration tool: GP Pro EX (software configuration)+touch screen offline mode

1 System Configuration

1. Support connection types

Only supports Ethernet (TCP) interface, based on MODBUS TCP protocol.

2. Supported network topologies (very comprehensive)

1: 1: Single screen ↔  Single CPU/Dual CPU Redundancy

1: N: Single screen ↔  Up to 16 Netmation CPUs

n: 1: Up to 16 screens ↔  Single CPU/Dual CPU Redundancy

n: M: Multi screen ↔  Multiple CPUs (mixed single/dual redundancy)

Support single CPU+dual CPU redundant hybrid networking

3. Redundant architecture

Supports dual machine redundancy of Netmation primary CPU and secondary CPU.

2 Selection of External Devices

When creating a new project in GP Pro EX, you need to choose:

Manufacturer: Mitsubishi Heavy Industries

Driver: DIASYS Netmation MODBUS TCP

Port: Ethernet (TCP)

Use System Area: Check to synchronize the screen system area with the controller memory (for screen switching, etc.)

3 Example of Communication Setting

1. Key default parameters for the touch screen end (GP Pro EX)

Port number: 59710

Maximum number of connected devices: 16

Main CPU IP: 192.168.1.1

Backup CPU IP: 192.168.1.2

Control mode check: CDO (for redundant state monitoring)

Double word order: Low word first

2. Controller end

Use Mitsubishi Heavy Industries Netmation dedicated software to configure IP, ports, and control status addresses.

3. Attention

The IP address needs to be confirmed with the network administrator and cannot be duplicated

The IP address of the touch screen itself needs to be set in offline mode

4 Setup Items

It is divided into two categories: GP Pro EX software settings and touch screen offline settings, and the parameters must be consistent with the controller.

1. General communication parameters

Port No.: 1024~65535, default 59710

Timeout: 1-127 seconds

Retry: 0-255 times

Wait To Send: 0~255 ms

2. Device exclusive settings

Primary/Secondary CPU: IP and port of the primary/backup CPU

CPU Redundancy: Check to enable redundancy

Check Control mode: Specify CDO address to monitor CPU running status (1-second cycle query)

Double Word order: Low word priority/High word priority

5 Supported Device Address

Supports four types of addresses, with a fixed address range. The actual available range is subject to the Netmation manual:

Type symbol bit Address word Address 32-bit permission

Digital output CDO 0001~8000 0001~7985- writable

Digital input CDI 0001~8000 0001~7985 supports read-only

Analog output CAO-0001~4000- writable

Analog input CAI -0001~4000 supports read-only

6 Device Code&Address Code

When selecting “Device Type&Address” on the touch screen, use:

Calculation method for device equipment code (HEX) address code

CDO 0080 (Address -1)/16

CDI 0081 (Address -1)/16

CAO 0000 Address -1

CAI 0001 Address -1

7 Error Messages

1. Incorrect format

Error number: Device name: Error message (error location)

2. Standard MODBUS error codes

01: Function codes are not supported

02: The address does not exist

03: Invalid data

3. Driver specific error (important)

RHxx128: There are two main CPUs present

RHxx129: No main CPU

RHxx130: Number of nodes exceeds the upper limit (maximum of 16)

Shorthand of the core points of the entire text

Protocol: MODBUS TCP

Port: 59710

Maximum connection: 16 controllers/16 screens

Support redundancy: dual CPU hot standby, monitoring status through CDO address

Address: CDO/CDI (switch quantity), CAO/CAI (analog quantity)

Not supported: GP-4100 monochrome screen

Configuration: Both GP Pro EX and offline mode can be set