GB/T 39556-2020 in English

VALID

Intelligent laboratory—Instruments and equipment—Communication requirements

Issued on:2020-12-14
Implemented on:2021-07-01
File Format:PDF
Delivery:Via email within 10 business days

Price(USD)： $990.00
$961.00

Standard No:	GB/T 39556-2020
Document status:	VALID
Title in English:	Intelligent laboratory—Instruments and equipment—Communication requirements
Title in Chinese:	智能实验室仪器设备通信要求
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 10 business days
Issued on:	2020-12-14
Implemented on:	2021-07-01
ICS Classification:	35.240-Applications of information technology
Chinese Classification:	N60-Laboratory instrument and vacuum instrument in general
Professional Classification:	GB-National Standard
Related Keywords:	traditional laboratory equipment communication protocols equipment communication requirements introduction standard overview smart laboratory instrument communication laboratory equipment interconnection equipment layer analytical instruments/environmental equipment
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《GB/T 39556-2020智能实验室仪器设备通信要求》由TC526（全国实验室仪器及设备标准化技术委员会）归口，主管部门为中国机械工业联合会。

Introduction

Standard Overview and Development Background

GB/T 39556-2020 is my country's first mandatory national standard for smart laboratory instrument communication. It was released in December 2020 and officially implemented in July 2021. This standard fills the gap in the standardization of laboratory equipment interconnection and solves the problem of fragmentation of traditional laboratory equipment communication protocols.

Core communication architecture

Three-tier architecture model

Layer	Components	Communication requirements
Upper system	LIMS system/monitoring platform	Support multi-system polling processing
Communication network	Ethernet/WiFi/RS485, etc.	Two-way communication channel
Instrument and equipment layer	Analytical instruments/environmental equipment, etc.	Standard command response

Key Technical Specifications

1. Communication Transmission Mode

Typical Scenario: Temperature Monitoring of High and Low Temperature Test Chambers

When the pull mode is adopted, the upper system sends the 00:TEMP:MV? command, and the device returns 00:TEMP:MV? 25.5; in case of an exception, the error code NA:00:TEMP:MV?:CMD ERR is returned.

2. Hierarchical keyword system

The standard defines a three-level keyword structure:
Primary keyword: Secondary keyword: Third-level keyword@parameter, such as 00:STAT:RUNS:MODE?Query the running mode

3. Batch commands

Support multi-command package transmission, example:
00:TEMP:SV;HUM:[email protected];50%Set temperature and humidity at the same time

Typical device implementation comparison

Device type	Special command	Extended keyword
Centrifuge	SPEED:SET	RCF (centrifugal force)
Electronic balance	CMD:TARE	DENY (density measurement)
Vibration table	ACC:PV	POWERD (power density)

Implementation suggestions

During the equipment selection stage, manufacturers are required to provide a declaration of conformity to the standard
During system integration, Ethernet/WiFi communication is preferred
During the development and testing stage, use the command examples in the standard appendix for verification
During the maintenance stage, a keyword extension management system is established

Solutions to Common Problems

Problem phenomenon	Troubleshooting steps	Corresponding standard clauses
No response to command	Check address code settings (Article 5.1)	Section 7.1
Parameter out of range	Verify keyword hierarchy (Article 5.3)	Appendix AC

More samples: GB 18306-2015 QC/T 942-2021 DL/T 5154-2012

Sample only — not a preview of GB/T 39556-2020

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