JonesPrecision
New Member
Hello,
First post here. I hope I have to come to the right place. I've been playing with electronics all my life and am now finally reading more about them and learning the theory behind circuit design. A project has come up recently that I wanted to do a little research on before I start. I recently acquired a Hardinge CNC lathe and it is throwing an error. The error relates to the main control board and two eeprom modules that store the ladder diagrams for the machine. This machine was built in 1988.
I have some standard test equipment and will likely be purchasing a scope in the immediate future. I am able to test circuits for simple things but I have no idea about eeprom chips. The problem either points to 2 bad eeprom chips (which seems unlikely that they both went at the same time), a dead battery that saved the memory (hopefully) or part of the main control board being the problem. I don't have power to the machine quite yet but when I do I will start with the batteries and work up from there.
My two biggest questions are is there a way to test the chips without erasing whats on them and is there a way to see if the board is effectively communicating with the chips? A repair of this magnitude is going to cost be about $1500 and a board replacement is somewhere in the neighborhood of $5k so I would like to troubleshoot it myself initially.
The data that is stored on the chips is absolutely vital to the way machine runs. Losing that data means I need to pay to have it repaired or scrap the machine. I would like ot be able to back that data up in the future if feasible at some point so I can make copies but that would be after I get it working again.
Any help is appreciated.
First post here. I hope I have to come to the right place. I've been playing with electronics all my life and am now finally reading more about them and learning the theory behind circuit design. A project has come up recently that I wanted to do a little research on before I start. I recently acquired a Hardinge CNC lathe and it is throwing an error. The error relates to the main control board and two eeprom modules that store the ladder diagrams for the machine. This machine was built in 1988.
I have some standard test equipment and will likely be purchasing a scope in the immediate future. I am able to test circuits for simple things but I have no idea about eeprom chips. The problem either points to 2 bad eeprom chips (which seems unlikely that they both went at the same time), a dead battery that saved the memory (hopefully) or part of the main control board being the problem. I don't have power to the machine quite yet but when I do I will start with the batteries and work up from there.
My two biggest questions are is there a way to test the chips without erasing whats on them and is there a way to see if the board is effectively communicating with the chips? A repair of this magnitude is going to cost be about $1500 and a board replacement is somewhere in the neighborhood of $5k so I would like to troubleshoot it myself initially.
The data that is stored on the chips is absolutely vital to the way machine runs. Losing that data means I need to pay to have it repaired or scrap the machine. I would like ot be able to back that data up in the future if feasible at some point so I can make copies but that would be after I get it working again.
Any help is appreciated.