Hello all,
Last week our main PLC had a system halt (EC0E) and since then, one internal register(mapped to an address) used in our CIP cycle has been acting strange. it's being written to somewhere in the program but I cannot find it anywhere.
The controller is a quantum (140 CPU 652 60).
I was wondering if there's a way to monitor a register in such a way it shows what/where it's being written from. I can watch it change in an animation table and it's almost predictable.
It's a word register that is used only once, it's in an array of words(think drum sequencer).
I've tried looking it up by every address I could think of as well as it's array and even it's index in the array. Has anybody come across this or does anybody have an idea for a solution?
Thank you in advance as always with any reply.
Phil
Last week our main PLC had a system halt (EC0E) and since then, one internal register(mapped to an address) used in our CIP cycle has been acting strange. it's being written to somewhere in the program but I cannot find it anywhere.
The controller is a quantum (140 CPU 652 60).
I was wondering if there's a way to monitor a register in such a way it shows what/where it's being written from. I can watch it change in an animation table and it's almost predictable.
It's a word register that is used only once, it's in an array of words(think drum sequencer).
I've tried looking it up by every address I could think of as well as it's array and even it's index in the array. Has anybody come across this or does anybody have an idea for a solution?
Thank you in advance as always with any reply.
Phil