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Wish177

Do I need to any power to this PLC?

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Hi there, I'm not so similiar with PLC , but what I remember was you need to have + on the L side and - on the M.

 

 have PLC300 siemens with AI 8 x 13 BIT (331-1KF02-0ab0) and A0 2 x 12 BIT (332-5HB01-0AB0) and DI 32 X DC24V 321-1BL00-0AA0 and DO 16 x DC24V/0,5A 322-1BH01-0AA0.

 

Do I need to have any supply to the models to DI and D0? what I mean is, its says L+ on the top and M- on the bottom inside, do I need to do anything with that?

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Hello Sir,

 

It depends on how many output you will use. i don't have the same module exactly what you have, but usually 1 L+ and 1 M- good for 8 bits DI/DO. To avoid any confusion just wire all +L to  and -M, you may use or you may not use all inputs and outputs, it will not create any problem. You need to supply all DI/DO in order it to function...

 

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