IFM CR3020, Supplement Manual, Page: 2 / 55

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ifm Programming Manual (supplement) CAN module RTC CR3020 2017-10-26
Contents
Contents
1 About this manual 3
1.1 Copyright .............................................................................................................................. 3
1.2 What do the symbols and formats mean? ........................................................................... 4
1.3 How is this documentation structured? ................................................................................ 5
2 System description 6
2.1 Information about the device ................................................................................................ 6
2.2 Overview of functions ........................................................................................................... 6
2.3 Hardware description ........................................................................................................... 7
2.4 Interface description ............................................................................................................. 8
2.4.1 CAN interfaces ............................................................................................................................. 8
2.5 Software description ............................................................................................................ 9
2.5.1 CAN messages via COB-ID and node ID ..................................................................................... 9
3 ifm function elements 12
3.1 ifm libraries for the device CRnnnn ....................................................................................12
3.1.1 Library ifm_RTC_Basic_V02yyzz.LIB ......................................................................................... 12
3.1.2 Library ifm_RTC_Classicx_V02yyzz.LIB .................................................................................... 13
3.2 ifm functional elements, POUs (Basic) ..............................................................................14
3.2.1 CONCAT_DATE_TIME .............................................................................................................. 15
3.2.2 RTC_INITIALIZE ........................................................................................................................ 16
3.2.3 RTC_SET ................................................................................................................................... 17
3.2.4 RTC_REQUEST ......................................................................................................................... 19
3.2.5 RTC_SET_ALARM ..................................................................................................................... 21
3.2.6 RTC_REQUEST_ALARM .......................................................................................................... 23
3.3 ifm functional elements, POUs (Classic) ...........................................................................25
3.3.1 CONCAT_DATE_TIME .............................................................................................................. 26
3.3.2 RTC_INITIALIZE ........................................................................................................................ 27
3.3.3 RTC_SET ................................................................................................................................... 29
3.3.4 RTC_REQUEST ......................................................................................................................... 31
3.3.5 RTC_SET_ALARM ..................................................................................................................... 33
3.3.6 RTC_REQUEST_ALARM .......................................................................................................... 35
4 Glossary of Terms 37
5 Index 50
6 Notizen • Notes • Notes 52
7 ifm weltweit • ifm worldwide • ifm à l’échelle internationale 55