ABB Application Note - AC500 V3 - System Clock Synchronization using NTP 应用说明文档(英语).pdf

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APPLICATIONNOTE:AN-1390

AC500V3-SYSTEMCLOCK

SYNCHRONIZATIONUSINGNTP

CONFIGURATIONOFCLIENTANDSERVER

Contents

1Introduction3

1.1Scopeofthedocument3

1.2Compatibility3

1.3Networktimeprotocol(NTP)3

2NTPinAC500V35

2.1NTPserver5

2.2NTPclient7

2.2.1Serverparameters8

2.2.2Thresholdparameter9

2.2.3Maxchangeparameters10

23ADR011390,1,en_US

AC500V3-SYSTEMCLOCKSYNCHRONIZATIONUSINGNTP

1Introduction

1.1Scopeofthedocument

ThisdocumentdescribestheparametersfortheNTPimplementationusedinAC500V3PLCs

ItisseenasadditionaldescriptiontotheAutomationBuilderonlinehelp:

/?sidebar=truetopic=SNTP_Config_V3

InAC500V3PLCstheNTPprotocolimplementationofchronyisused.Forfurtherinfor-

mation,pleaserefertotheofficialdocumentationofchrony:/

Theparameterdescriptionsdescribedintheblowchapterreferstotheofficialdocumenta-

tionofchronyaswell:/doc/4.6.1/chrony.conf.html

1.2Compatibility

Theapplicationnoteexplainedinthisdocumenthasbeenusedwiththeengineeringsystem

versionsbelow.Theyshouldalsoworkwithotherversions,neverthelesssomesmalladapta-

tionsmaybenecessaryforfutureversions.

•AC500V3PLC

•AutomationBuilder2.7.0ornewer

1.3Networktime