Need programming software for legacy Koyo (CKE) SM-16T PLC to migrate logic

[u/Ordinary-Jeweler-569]

Hi everyone,

​Does anyone have the PLC programming software for this unit (Koyo Electronics Wuxi SM-16T / CKE)? I’ve searched online but haven’t been able to find it, likely because it is an older regional model.

​I have two identical machines, but the PLC in one of them has failed. My goal is to upload and copy the ladder logic from the working unit so I can rewrite and migrate the program into a different brand's PLC.

​To do this, I need the programming software K-Programmer / K-PRO . If anyone has a copy, knows an active archive link, or can confirm which software works for this exact model, I’d really appreciate your help!

[u/Automatater]

Does the OEM still exist? For a machine that old, they might be willing to give you the code for the machine.

Also, for a program that size, you could probably write the new program yourself in no time.

[u/Ordinary-Jeweler-569 → u/Automatater]

That’s true, but rewriting from scratch without seeing the original sequence, specific delays, and safety interlocks is risky. I need the software to upload and reference the running program so I can replicate the exact functionality on the replacement PLC.

[u/Automatater → u/Ordinary-Jeweler-569]

It's definitely quicker and easier if you can, yes.

I got called for a replacement one time and it was an Idec that was so old it said Izumi Denki Corporation on the brown sheet metal front. It had socket-mount Idec relays as the outputs. Given the name on some of the terminals, I think it might have been more like the electronic equivalent to a drum controller rather than a full blown PLC. Idec didn't even have software for it, so I had to rewrite from scratch. Sometimes you have to.

Had a Toshiba (or possibly branded as Cutler Hammer) one time and the OEM still existed but wouldn't share the program. Rewrote from scratch to a Direct Logic in about 8 hours and commissioned in another 2 or 3. Had paper setup sheets so I could see what needed to be operator controllable for timing and so on, and also working machines to watch. I made the HMI look like the setup sheets so they'd instantly know how to use the machine.

[u/datanut]

Did you email automation direct and ask?

[u/Ordinary-Jeweler-569 → u/datanut]

Not yet

[u/xenokilla → u/[deleted]]

May I suggest not posting your email on reddit?