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8. Switch between soft components
8-1. Function overview
When the internal lighting coupling, relays or transistor are damaged, the corresponding input/output terminals
will be out of use. Users either revise the program or ask the manufactures for help, which is very troublesome
and affects the users' normal work schedule.
The new type PLC developed independently by Xinje can break the one-to-one correspondence, users only need
to change the soft component's value by HMI, then the corresponding terminal will activate.
Before(Complicated and not effective)
Output Y3 is
broken
Now (Simple, fast and effective)
Output Y3 is
broken
44
Solution 1
Solution 2
Solution
Revise
the
complicated
program
Change PLC
Change the mapping relation of Y3
and
its
corresponding
component, and use other empty
point, like Y4
soft
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