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Hello. I am programming my first Unitronics product and I am having some issues... I have a SM35-J-R20 PLC and the system bits 2, 250 and 251 seem to not be working... I have tried to connect them to toggle coils which in turn activate a MB. I use this MB to turn on a LED on-screen (my simplest attempt, I have tied many other methods) and nothing... Does the Samba not work with these bits? Is there a common bug/user error that could cause this? Thank you beforehand.