Omron NX701-1620 User Manual

3 Programming the DB Connection Function
3-25
NJ/NX-series Database Connection CPU Units User’s Manual (W527)
3
3-5 Programming and Transfer
3-5-4 System-defined Variables
3-5-4 System-defined Variables
You can use the following system-defined variable in the DB Connection Service.
Common Variables of NX701-@@20, NJ501-@@20, and NJ101-@@20
Variable name
Data type Meaning Function
Initial
value
Member name
_DBC_Status _sDBC_STATUS DB Connection
Service Status
Shows the operation status of the
DB Connection Service.
Refer to 4-3-1 Operation Status of
the DB Connection Service for
details on the operation status of
the DB Connection Service.
Run BOOL Running flag TRUE when the DB Connection
Service is running in Operation
Mode or Test Mode.
FALSE
Test BOOL Test Mode TRUE when the DB Connection
Service is running in Test Mode.
FALSE
Idle BOOL Idle TRUE when the operation status of
the DB Connection Service is Idle.
FALSE
Error BOOL Error Stop Flag TRUE when the operation status of
the DB Connection Service is
Error.
FALSE
Shutdown BOOL Shutdown TRUE when the operation status of
the DB Connection Service is
Shutdown.
FALSE
NX701-@@20
Variable name
Data type
Name
Function
_DBC_Version ARRAY[0..1] OF
USINT
DB Connection
Service version
The DB Connection Service version is stored. *1
The integer part of the version is stored in the
element number 0.
The decimal part of the version is stored in the
element number 1.
_JRE_Version ARRAY[0..1] OF
USINT
JRE version The JRE version is stored. *2
The integer part of the version is stored in the
element number 0.
The decimal part of the version is stored in the
element number 1.
*1 Example 1) In the case of the DB connection service version 1.00, “1“ is stored in the
element number 0 and “0“ is stored in the element number 1.
Example 2) In the case of the DB connection service version 1.10, 1 is stored in the element
number 0 and “10” is stored in the element number 1.
*2 Example 1) In the case of the JRE version 1.00, “1” is stored in the element number 0 and
“0” is stored in the element number 1.
Example 2) In the case of the JRE version 1.10, “1” is stored in the element number 0 and
“10” is stored in the element number 1.

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.