CPM1-CIF01 Omron Automation and Safety Controllers RS Interface datasheet, inventory, & pricing. Find great deals for Omron CPM1-CIF01 Processor/Controller. Shop with confidence on eBay!. CPM1A/2A CPM1-CIF01 & CIF11 Expansion Adaptors. A choice of either RS or RS (four wire), DIN rail mounting interface adaptors available for the.

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To connect CPM1 to PC without using CPM1-CIF01

Started by Carlos Lima16 Jun Posted 16 Jun Posted 5 May Posted 12 May Posted 12 May edited. Posted 13 May Posted 13 May edited. You need to be a member in order to leave a comment. Sign up for a new account in our community. For you to modify will have to disassemble CPM1 and to weld four wires direct in the pins of the periphreal port, underneath, for not damaging the original connector.

In the other extremity of the threads you anger to install a connector DB9 female, that it should have been fastened beside CPM1. The communication only works with Cx-Programmer any version.

Share this post Link to post Share on other cuf01. Well, at least we got him to register. Welcome to the forum, Carlos. This cable works fine at a cpm1a peripheral port, but not at clf01 CQM1. Someone knows the difference? Please correct me if I am misunderstanding you, but it seems to me that you would be better off making the cable instead of altering the PLC. I did the cable that Carlos Lima post here. The cable conects the peripheral port of a CPM1 to the rs port of the cif1.

Did u understand now? Tks for the help, Igor. Caro Igor, Tente desconectar o fio que vai ao ” fog “, acho que vai funcionar! I fail to understand why anyone would want to re-invent the wheel. The CIF is cheap enough and works without any hassles. I am afraid I am far too busy to go fiddling about with re-wiring things and wasting my time. Unless of course I am getting ripped off, as with some other brands.


Some Omron interface gear used to be terribly cpm11 but all interface gear was the same for all the brands. These days cables dif01 interfaces are cheap really. I can make more money getting cpm with the job, and the next one, and the next one than to muck around wasting hours trying to save cents. The other thing is that the Omron inteface gear is guaranteed. What you make up yourself is not. Edited 12 May by BobB.

I think it’s great, that people hack these things. Where would i get a cable for them? Cp,1, in the drawing there isn’t any components at all. Are you sure it’s safe to use? I mean that does the CPM1 have the rs drivers in it anyway or is it just “luck” that it can handle the voltages of rs? It’d probably be more safe to add the resistor like in that cable. About the CQM, i noticed from the universal cable insctructions can be found from the omron sectionccpm1 CQM has different ground pin than others.

It’s not directly related, cause that’s for the what ever external box CQM needs, but maybe the pinout for that pin is different from the CPM in the PLC connector also.

Omron CPM1 – CIF01 RS-232C Adapter Interface Unit

Edited 12 May by JouniK. Clf01, I think that Omron dealers would be your best bet. The only reason I could ever see making a cable is if you were making actual buss lines on an etched circuitboard or some other specialty application. Making a cable for one type of PLC from a different type leaves you with a cable that is not guaranteed to work and also cant be used in its intended manufacturing vision.

Here in Brazil is a fortune Friend! Furthermore, this plc already was discontinued. To my intention is going to help the persons that cannot buy a CIF.

Omron CPM1 – CIF01 RSC Adapter Interface Unit

Despite Carlos Lima’s excellent work on figuring out the connections to the peripheral port, it seems to be the concensus of opinion from the grey beards here that modifying the circuit board is a last resort measure for connecting to a computer. ChrisKozanecki no one is forcing you to use it, why are you whining? Jay, you don’t need to modify the board, if you have the connector.


Secondly, i wasn’t talking about in a point of view of some company. Companies can afford the things, but individuals can’t. Also the PLC should be designed in the way, that you don’t need all sorts of boxes to program them. It’s a waste of money, space, time and nerves.

Try carrying 10 different boxes to be able to program different PLCs with you. It’s a design flaw. Edited 13 May by JouniK. As far as i am concerned if you want to blow your 2 year warranty for the PLC and are two stingy to by the convertor or borrow one from your friendly omron rep then have fun If you are a serious integrator ie an individual who is extensively involved programming PLC’s, then i am sure that you could pick one up up off a job etc at no cost to your self And if it is a one off job well.

I think you are quite clever in working it all out but hey, let me think you buggered around with it for around and hour or two, wow, your time spent on this would of enabled you to perchase the adaptor and secondly you could of spent the time doing something a bit more productive or fun Once again, iterating Jay Also i am far from being a Grey Beard It’s a design fault, cause it makes everything more complicated needing the box i mean.

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