OB1 programm

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Gerami
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Joined: Tue Oct 01, 2019 4:23 am

OB1 programm

Post by Gerami » Tue Oct 01, 2019 5:06 am

Hi, i can not understand the part of plc program that mentioned below. Anyone can help whats this part of program?

A “M 0.1”
= “M 6.0”

Answers to FAQs
Faq & Info
Faq & Info
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Location: Frequently Asked Questions – Часто Задаваемые Вопросы

Re: OB1 programm

Post by Answers to FAQs » Tue Oct 01, 2019 6:35 am

M6.0 equal to M0.1
is mean:
if M0.1==0 , M6.0=0
if M0.1==1, "M6.0=1

LAD
----|M0.1|----(M6.0)

MB0 by default is clock memory byte
M0.1 is 5 Hz clock memory bits
See CPU Properties - Cycle/Clock Memory (down)
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https://support.industry.siemens.com/cs ... t/41306542
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====== How do you define the "TRUE" constant in the LAD/FDB editor in STEP 7 (TIA Portal)? =========
S7-300/400
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