LOGO! Shift register - 8, 16, 24, 32-bit | Siemens PLC programming.

LOGO! shift register, how they work and how to cascade or chain them.
0:00 - Intro
1:21 - Shift register example - machine with reject blowoff
3:24 - Shift register cascade - the problem!
5:54 - M & Q scan peculiarities
6:19 - Shift register cascade - the solution!
The Siemens LOGO! is a compact industrial PLC suitable for a huge variety of projects in industry, office and home automation.