However, should you have any questions or find any errors, please contact your nearest YOKOGAWA dealer. ● Copying or reproducing all or any part of the contents of this manual without YOKOGAWA’s permission is strictly prohibited. QR Code The product has a QR Code pasted for efficient plant maintenance work and asset information management.
How to Use This Manual Recorder Version and Functions Described in This Manual The contents of this manual apply to the GX/GP/GM10 with the following release numbers (see the STYLE S number) and style numbers (see the STYLE H number). Model Release Number Style Number GX10/GX20/GP10 GP20 GM10 What This Manual Explains This manual mainly explains the OPC-UA server. For details on other settings and procedures, see the Model GX10/GX20/GP10/GP20 Paperless Recorder User’s Manual (IM 04L51B01-01EN) or Data Acquisition System GM (IM 04L55B01-01EN).
How to Use This Manual Conventions Used in This Manual Unit Denotes 1024. Example: 768K (file size) Denotes 1000. Notes Improper handling or use can lead to injury to the user or damage to the instrument. This symbol appears on the instrument to indicate that the user must refer to the user’s manual for special instructions.
How to Use This Manual Revision History Edition Model Product Description GX/GP Release number 3 New edition (Version 3.01) Style number 1 Release number 3 (Version 3.01) Style number 1 GX/GP/GM Release number 3 Added new nodes (alarm (Version 3.02) level setting, batch setting Style number 1 information) GX/GP...
Contents Introduction ..............................i Notes ................................ ii Trademarks .............................. ii Revisions ..............................ii How to Use This Manual ........................iii Recorder Version and Functions Described in This Manual ..............iii What This Manual Explains ........................iii Conventions Used in This Manual ......................iv Revision History............................
Introduction of Features Overview The OPC-UA server function enables OPC-UA clients of a host system (SCADA, MES, etc.) to access the I/O channels, math channels (/MT), and communication channels (/MC) of a GX/GP/GM for data reading and writing through Ethernet. In addition, the function also includes data change notification and the corresponding message and filtering (subscription) functions.
OPC-UA Server (/E3) Specifications Communication Specifications The following table shows the communication specifications of the GX/GP/GM OPC-UA server. Group Sub Group Supported Function Communication Type Server Encoding UA Binary Protocol OPC UA TCP Port number 4840/tcp (depends on the setting) Maximum number of client 3 (Max 3 sessions) connections Language Supported language...
OPC-UA Server (/E3) Specifications Security This section explains the security features of the GX/GP/GM OPC-UA server. Certificate Authentication The GX/GP/GM does not perform certificate authentication. All clients are allowed to connect. The default certificate in the GX/GP/GM is used for the certificate exchange during the initial connection.
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OPC-UA Server (/E3) Specifications User Privileges If the GX/GP/GM communication security is set to Login, the contents that can be accessed depending on the user level are as follows. Communication Security User Level Accessible Contents Access Level Login User Only data reading is allowed. Read Admin Data reading and writing are allowed.
GX/GP/GM Configuration OPC-UA Server Function Path GX/GP: MENU key > Browse tab > Setting > Setting menu Communication (Ethernet) settings > Server settings > Server list Web application: Config. tab > Communication (Ethernet) settings > Server settings Server list Hardware configurator: Communication (Ethernet) settings > Server settings Server list Description OPC-UA Setup Item Selectable Range or Options Default Value...
GX/GP/GM Data Structure This section provides an address space (node list) that represents in a tree structure the groups of node data acquirable from an OPC-UA server. An OPC-UA client can access a GX/GP/GM and view the address space in order to write and read from required nodes, monitor data, and so on.
GX/GP/GM Data Structure List of Nodes The following table shows a list of address space nodes implemented on the GX/GP/GM. Group Name Description Data Type Read/Write Device Model Name Device name String Read Only ex. GX20-1J Serial Number Device serial number String Read Only ex.
GX/GP/GM Data Structure Communication Channel Description Comm Channel C0001-C0020 C0001 Communication channel 0001 C0001_Alarm All-channel alarm status C0001_Alarm01 Alarm level 1 status C0001_Alarm02 Alarm level 2 status C0001_Alarm03 Alarm level 3 status C0001_Alarm04 Alarm level 4 status Channel data C0001_Data C0001_Setting C0001_Alarm_Setting C0001_Alarm01_SP Alarm level 1 setting value Alarm level 2 setting value...
GX/GP/GM Data Structure Math Channel Description Math Channel A0001-A0020 Math channel 0001 A0001 A0001_Alarm All-channel alarm status A0001_Alarm01 Alarm level 1 status A0001_Alarm02 Alarm level 2 status A0001_Alarm03 Alarm level 3 status A0001_Alarm03 Alarm level 4 status Channel data A0001_Data A0001_Setting A0001_Alarm_Setting A0001_Alarm01_SP Alarm level 1 setting value Alarm level 2 setting value...
GX/GP/GM Data Structure PID Control Channel Description IO Channel UNIT00 SLOT00-00 Loop 001 LP001 LP001_PV PV value LP001_SP SP value LP001_OUT OUT value LP001_RUN_STOP RUN/STOP switching AUTO/MAN/Cascade switching LP001_AUTO_MAN_CAS LP001_LOC_REM LOCAL/REMOTE switching LP001_SPNO SP groupswitching LP001_PIDNO PID group status LP001_ALARM All alarm stasut in loop LP001_ALARM01 Alarm level 1 status in the loop Alarm level 2 status in the loop...
GX/GP/GM Data Structure Device Description Device Batch Settings Current Time Device time Device Status Device status Model Name Model name Serial Number Serial number Batch Settings Description Batch Settings Batch_Group01 Batch group 1 information Batch_Comment01 Batch_Comment01_01 Batch comment 1 Batch_Comment01_02 Batch comment 2 Batch_Comment01_03 Batch comment 3 Batch_No01...
OPC-UA Communication Data Handling of Communication Data As described in “GX/GP/GM Data Structure” earlier, the GX/GP/GM OPC-UA communication function allows handling of not only the data values and alarms of I/O channels, math channels, and communication channels but also the status of the data values and alarms. The items that can be acquired when data is acquired using normal OPC-UA communication are as follows.
Subscription Operation Subscription is a function for managing data monitoring and event notification in OPC-UA communication. In OPC-UA communication, data-change and event notification can be achieved by creating a group (subscription) on the server and registering items (MonitoredItem) in that group. The GX/GP/GM subscription includes data change notification and the corresponding message and filtering (subscription) functions.
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