Omron NX701-1620 User Manual

Appendix A
A-18
NJ/NX-series Database Connection CPU Units User’s Manual (W527)
DB_Update (Update DB Record)
The DB_Update (Update DB Record) instruction updates the values of a record of a table with the
values of a DB Map Variable.
Instruction Name FB/FUN Graphic expression ST expression
DB_Update Update DB
Record
FB
DB_Update_instance (Execute,
DBConnection, MapVar, Where,
TimeOut, Done, Busy, Error,
ErrorID, RecCnt, SendStatus);
Note The DB_Update_instance is an instance of DB_Update instruction, which is declared as a variable.
Variables
Input Variables
Name
Meaning
Data type
Valid range
Unit
Default
Description
Execute
Execute
BOOL
TRUE or FALSE
---
FALSE
Specify the execution condition.
DBConnection DB Connection DWORD 16#00000000 to
16#FFFFFFFF
--- 16#0000
0000
Specify the DB Connection established
by a DB_Connect instruction.
MapVar DB Map
Variable
Structure Depends on the
data type.
--- --- Specify the DB Map Variable mapped
by a DB_CreateMapping instruction.
Where Retrieval
Conditions
STRING 1,986 bytes max.
(including the final
NULL character)*
--- '' Specify a text string that expresses
retrieval conditions (WHERE clause).
(‘WHERE’ is not included.)
TimeOut Timeout TIME T#0s,
T#0.05s to
T#180s
--- T#0s Specify the time to detect timeout.
When T#0s is specified, timeout is not
monitored.
* When the database is case sensitive, specify the column name as shown below.
When connecting to MySQL, enclose the column name in single-byte backquotes
Example: `ColumnA`
When connecting to other databases, enclose the column name in single-byte double quotes.
Example: “ColumnA”
DB_Update
SendStatus
DBConnection Busy
Execute
Done
Error
ErrorID
MapVar
Where
RecCnt
TimeOut
DB_Update_instance

Omron NX701-1620 Specifications

General

Model	NX701-1620
Type	CPU Unit
Power Supply	24 VDC
Programming Software	Sysmac Studio
Operating Temperature	0 to 55°C
Storage Temperature	-25 to 70°C
Series	NX Series
Digital Inputs	Dependent on I/O modules
Digital Outputs	Dependent on I/O modules
Communication Ports	Ethernet
Humidity	10% to 90% (non-condensing)
Shock Resistance	147 m/s², 3 times each in X, Y, and Z directions
Vibration Resistance	10 to 57 Hz, 0.075 mm amplitude; 57 to 150 Hz, 9.8 m/s² acceleration

Summary

Introduction

Intended Audience

Specifies the target audience for this manual, requiring knowledge of electrical systems and FA.

Applicable Products

Lists the specific CPU Unit models and Sysmac Studio versions covered by this manual.

Relevant Manuals

Manual Structure

Page Structure

Details the components of a typical page, including headings, procedures, and icons.

Special Information

Precautions for Safe Use

Outlines precautions to ensure the safe usage of the product.

Precautions for Correct Use

Provides precautions for ensuring proper operation and performance of the product.

Additional Information

Offers extra details to enhance understanding or make operations easier.

Version Information

Details differences in specifications and functionality based on unit and Sysmac Studio versions.

Precaution on Terminology

Defines key terms like "download" and "synchronize" as used in the manual.

Sections in this Manual

Terms and Conditions Agreement

Warranty, Limitations of Liability

Details Omron's warranty terms, limitations, and buyer remedies for product defects.

Limitation on Liability; Etc

Limits Omron's liability for damages related to product use or consequential losses.

Application Considerations

Discusses suitability of use, programmable products, and critical safety considerations for applications.

Disclaimers

Covers performance data, specification changes, and errors/omissions.

Programmable Products

Clarifies Omron's non-responsibility for user programming of programmable products.

Performance Data

Explains that presented performance data is a guide and not a warranty.

Change in Specifications

States that product specifications may change without notice.

Errors and Omissions

Disclaims responsibility for clerical, typographical, or proofreading errors or omissions in the manual.

Safety Precautions

Precautions for Safe Use

Refers to hardware manuals for safety precautions and provides contact information for specific models.

Precautions for Correct Use

Regulations and Standards

Conformance to EU Directives

Details how NJ/NX-series Controllers comply with EU Directives and installation requirements.

Conformance to KC Standards

Provides precautions for using NX-series Units in Korea, noting Class A device registration.

Conformance to Shipbuilding Standards

Explains compliance with shipbuilding standards, including usage conditions for NK and LR standards.

Software Licenses and Copyrights

Informs about third-party software licenses and copyright information availability.

Versions

Unit Versions

Defines unit versions for hardware/software of Units and EtherCAT slaves.

Version Types

Describes the two types of versions: unit version and DB Connection Service version.

Checking Versions

Details methods for checking unit versions using ID information labels and Sysmac Studio.

Unit Versions of CPU Units and Sysmac Studio Versions

Relates supported functions to CPU Unit and Sysmac Studio versions, referring to B-4.

Related Manuals

Terminology

Revision History

Introduction to the DB Connection Service

1-1 Overview and Features

Introduces the DB Connection Service, its overview, and key features.

1-2 DB Connection Service Specifications and System

Details the specifications and system architecture of the DB Connection Service.

1-3 Operation Flow of the DB Connection Service

Outlines the basic operational flow for using the DB Connection Service.