July 2004
Intermediate to advanced
352 pages
9h 30m
English
Content preview from Mitsubishi FX Programmable Logic Controllers, 2nd Edition
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//INTEGRAS/ELS/PAGINATION/ELSEVIER UK/PLC/3B2/FINALS-7-6-04/0750656794-CH027.3D – 291 – [282–292/11]
19.6.2004 9:20PM
Procedure no. 3
For procedure no. 3 assume all of the jars are rejects in that none of the jars have had
lids screwed onto them.
1. Operate and leave ON just the following Inputs, i.e. leave Input X3 OFF.
(a) X0 Jar sensor.
(b) X2 Index complete sensor.
2. Continuously pulse input X1, the operator foot switch.
3. Note as the jars reach position 11, the eject reject jar solenoid Y5 will now be
energised each time input X1 is pulsed.
27.7 Instruction scan and execution
The program ROTARY1 is one of the rare occurrences in ladder diagram pro-
gramming where for the program to work correctly, an instruction must be placed
after another instruction, ...
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