Gambit

 OUT_C_32  is needed to activate the high speed counter Dmov is for the values  

There is a difference between C250 and C251. 1-phase 2-count input & 2-phase 2-count input To activate the counter use OUT_C_32 instruction As for the monitoring keep in mind that the program is running much faster then you are monitoring.  So many scan have been processed which changed some values. Active open or closed is only what you programmed the depending on the value of the bit it will be filled blue. So a normally closed which bit is off will be blue filled p.s. For real production i would not use a clone !!!!!

You should use labels than you would have gotten an error,  Some instructions Like multiplcation the result is 32 bit so it uses 2 Registers. So if you enter D120 (it's also D121) When you use labels you have to define the type so you would have gotten a notification when building the project

During installation you didn't set start automatically when booting the PC. So it looks like the OPC server has't started. Have you started the server ? Basicallly your screencapture is already providing the correct steps   

Which Firmware are you running ?   As for Dianostics:

https://www.mitsubishielectric.com/fa/document/technews/got/got-a-0160/gota0160ac.pdf You need a USB -A on the GOT. The mini USB is only for data transfer

Then I expect there is something in the code on start-up. chianging the values

Just Change M to an L device. Those are latched 

Then D2842  should be lachted, So it's either overwritten in the program (maybe an inital program) somewhere after a reboot  or the  battery has died. Is there a yellow LED lit on the CPU? Can you check the parameters if the battery detection is disabled 

You'll need to Latch  D2842 in the PLC parameters. which controller are you using ?

Okay In GX works 3 goto the CPU parameters. Service processing settings and give more time for communication

Maybe you should start in steps and get network running with the stations. after that refresh the correct Registers/adresses. And than the need programming  There is an e-learnig for CC-Link. you should follow this first https://www.mitsubishielectric.com/fa/service-support/global/e-learning/pdf/eng/1-CC-Link_iQ-R_na_eng-A.pdf  

Did you use different stationnumbers for the connections ? Do you communicate large amounts of data  ? What is the scan time of the PLC's ?    

Why ??? you can do this easlly with the simple PLC comm settings. Ypu don't need any programming   OR if the FX5 is just the server just create a modbus port in the port settings and you're done

You mean comm software like Mx components so you can make something in C#?