chelebi_yn

Mitsubishi Diagnostic

5 posts in this topic

Hello everyone. If anyone knows how an empty slot on base  is defined by "system monitor" service of GX Works which shown in attached picture?

I think this information is read from any CPU register address(Maybe SD or SM and  etc. registers). But I don't know exactly which address is deploying an information about empty slot on base.

Thanks.

mitsubishi.jpg

Edited by chelebi_yn

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Not exactly sure what your asking. The rack layout is assigned in the PLC Parameters on the I/O Assignment tab. The number of points occupied by an empty slot is also assigned in the PLC Parameters on the PLC System tab. 

 

EmptySlots.JPG

RackLayout.JPG

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We make rack layot in PLC Parameters on the I/O Assignment tab. But i think System Monitor tab read data about base slots from CPU registers not I/O tab ( empty slot number or name of module on used slot).


Because if i assign module slot on I/O tab and i take module from base or never put in module on base then I/O tab show there is a module but System Monitor shows the slot is empty. I want to know System monitor how reads information about base slots or which adress of CPU (D, SD, SM) is storing information about slots of base unit.  

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SD240 - SD246 might have the information you are looking for. Also SD1400 -SD1431 contains the Module Verify Errors 

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