S7 400 program which includes summer/winter time switching - PLCS.net

milka · March 25th, 2011, 01:40 AM

Hi, just getting my head around the basics and need to develop a program using a Siemens S7 400 plc, has any one got a copy of a program that I could study and learn from. Need to switch some lights in the program based on time, taking into account summer/winter. Cheers just a newbie.

L D[AR2,P#0.0] · March 25th, 2011, 03:53 AM

Here's a start:

http://support.automation.siemens.co...78&caller=view

milka · March 25th, 2011, 05:00 AM

Seem to be getting a lot of red, must be doing some thing wrong. Think I have to generate DT values, would love to see a whole working program. Cheers for your help.

L D[AR2,P#0.0] · March 25th, 2011, 04:45 PM

Example call + DB definition in attached archive.

milka · March 26th, 2011, 06:18 AM

Thanks a million will retrieve it when I'm at work next where I have S7

March 25th, 2011, 01:40 AM	#1
milka Member Join Date: Mar 2011 Location: melbourne Posts: 3	S7 400 program which includes summer/winter time switching Hi, just getting my head around the basics and need to develop a program using a Siemens S7 400 plc, has any one got a copy of a program that I could study and learn from. Need to switch some lights in the program based on time, taking into account summer/winter. Cheers just a newbie.

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March 25th, 2011, 03:53 AM	#2
L D[AR2,P#0.0] Supporting Member Join Date: Nov 2006 Location: UK Posts: 4,542	Here's a start: http://support.automation.siemens.co...78&caller=view

March 25th, 2011, 05:00 AM	#3
milka Member Join Date: Mar 2011 Location: melbourne Posts: 3	Seem to be getting a lot of red, must be doing some thing wrong. Think I have to generate DT values, would love to see a whole working program. Cheers for your help.

March 26th, 2011, 06:18 AM	#5
milka Member Join Date: Mar 2011 Location: melbourne Posts: 3	Thanks a million will retrieve it when I'm at work next where I have S7

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