Omron C20K, C28K, C40K, C60K Troubleshooting

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The Omron C20K, C28K, C40K, and C60K shoebox programmable logic controllers have been discontinued since March of 2002. These Omron ‘K’ series PLCs were popular controllers and have been in installations for over 25 years. We will take a look at this Omron PLC and review some troubleshooting techniques. Planning for the eventual fatal failure of the CPU will also be discussed.
More information can be obtained at our website. This includes all of the links mentioned in this video.
accautomation.ca/omron-c20k-c...
The following are the manuals for the ‘K’ series PLCs. You will note that the C20 manual is also listed. This is because the ‘K’ series could use the C20 expansion modules. The C20 was also referred to as a ‘Flatpack’ PLC.
Operation Manual - Sysmac C20K/C28K/C40K/C60K Programmable Controllers
www.omronkft.hu/nostree/pdfs/p...
This manual will go through the instruction set as well as how to program the unit using the handheld unit. (3G2C7-PRO15-E)
Installation Guide - Sysmac C20K/C28K/C40K/C60K Programmable Controllers
omronkft.hu/nostree/pdfs/plc/c...
This manual will review the installation and troubleshooting techniques on this programmable controller.
C20 Programmable Controller - Sysmac C-Series - User’s Manual
www.omronkft.hu/nostree/pdfs/p...
This manual includes the installation, instruction set, and troubleshooting of the C20 PLC.
00:00 Omron C20K, C28K, C40K, C60K Troubleshooting
00:58 Omron Manuals
01:56 Hardware - Omron Troubleshooting
03:00 Errors on the CPU
04:44 Fuse Change
05:19 Relay Change
05:30 Battery Change
06:00 Troubleshooting with the handheld unit
09:47 Updating the Omron Controller
www.accautomation.ca

Опубликовано:

4 авг 2024

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Комментарии : 29

@user-qj2hz7zd7n 3 года назад

Hello I have an ancient Omron SYSMAC C40P controller with a C120-PRO15 programmer on board. When turned on in all modes (RUN, MONITOR, PROGRAM), it requires a password. Can you help? It's a pity to throw it away, I could have worked more!

@ACCautomation 3 года назад

Usually, there is no password. Make sure the slide switch is on MON. Then push CLR, MON, CLR. You will find this on page 6 of the following manual. www.edata.omron.com.au/eData/Software/Devices/W184-E1-1A.pdf I hope this helps you out. Regards, Garry

@user-qj2hz7zd7n 3 года назад

@@ACCautomation Thank you very much I also now noticed in the video that at start they type this key combination. Thanks for the PDF, I will understand. You can ask another question. This series of controllers are programmed only with a special C120-PRO15 (PRO25) programmer or can the same actions be performed in software (CX-Programmer v.5)?

@ACCautomation 3 года назад

@@user-qj2hz7zd7n The C40P is an older Omron PLC and is not supported in CX-Programmer. In order to use a software package, you must use a host link module on the unit with software called Syswin (Windows XP or older) or LSS - Ladder Support Software (DOS). accautomation.ca/purchase-find-parts/omron-c20k-c28k-c40k-c60k/#Software The best way currently in my opinion is to use the handheld you currently have. Regards, Garry

@OneArmStudios 7 лет назад

Gary, First off thanks for this video very informative. We are having trouble with our C28K. Everything appears to be working but the Run and Output lite on the unit come on when engaged but quickly go off. Any idea on this one? We have lost function at the control panel

@ACCautomation 7 лет назад

Thank you for your comments. It sounds like the power supply of the unit is not working correctly. Do you have a handheld device attached to the controller? If so, please ensure that the switch is in run mode. The PLC will look at this switch when powering up to determine what mode to place the controller into. Regards, Garry

@bullishbear2686 Год назад

Found this controller installed on an old SprayBake paint booth for an auto Body Shop. Found the battery failed, replaced it but the system was down for over an hour. Program is most likely wiped from memory now. I have to contact Spray Bake to see if they have a way to upload the original program from 30+ years ago into the controller lol

@ACCautomation Год назад

Hi Bullish Bear, You are correct this was over 30+ years. SprayBake was located just north of Toronto in Vaughan. I did visit them a few times when I was with Omron Canada. This machine probably originated here. If you can get a copy of the program file, it was written with the DOS programming software LSS or windows version Syswin. I have the software to interpret the program and convert it to mnemonic code. Here is the website. An email address is located at the bottom of the page. spraybake-booths.com/home.htm You will need a handheld controller to enter the code. (3G2A6-PRO15-E) accautomation.ca/purchase-find-parts/omron-c20k-c28k-c40k-c60k/#Peripheral I know at one point, SprayBake sponsored Dale Earnhardt (Sr), who came and visited the shop. Regards, Garry

@laurenmcknight5983 5 лет назад

Gary - what happens if you lose battery for a period of time? What information is lost within the controller?

@ACCautomation 5 лет назад

Hi Lauren, This controller has either an EPROM chip or RAM to store the program. If you look under the cover on the left side of the CPU, you will see a socket. This is the EPROM chip socket. If it does not have a chip installed, then you are using RAM memory. The battery will back up this RAM memory, so if you loose the battery your program is lost. The battery also backs up the memory retentive data areas in the program like DM and HR. These will be reset to 0 if the battery power is lost. Hope this helps you out. Regards, Garry

@usmanahmed3031 5 лет назад

Do u have any idea about sysmac C6OP?

@ACCautomation 5 лет назад

Yes, I have worked on the P type PLC's as well as the K type. The K family uses the P type expansion units. Programming is done using the same hardware as the K type. www.support-omron.fr/telechargements/documentations/2017-07-24%20-%2010-24-18%20-%20918444780/W167-E1-04A+CxxP+Installation_Guide.pdf Regards, Garry

@jjkanal4154 5 лет назад

Hello, Garry, Good video. Are you still playing with these PLCs, more specifically with the C40K ?. Greetings.

@ACCautomation 5 лет назад

Hi Jjkanal, Yes, we are still using the Omron K series in some applications. When they finally go we have backup programs in a Click PLC ready to go. Are you having some issues with your C40K? Regards, Garry

@jjkanal4154 5 лет назад

Hi Garry, I need your help to solve a problem. I have two OMRON PLCs model C40K-CDR-D and I have to be able to test them periodically for which I needed a very simple application to test the inputs and outputs. I wanted to have this application in an EPROM 2764 and when I needed to try them I would just have to put that memory in the socket and power the PLC with what I would start running by testing. You should only give me a binary file to record the EPROM in a standard recorder. Of course I would pay you for the work, think (so you can take pity on me) that for you it would not represent a great effort but for me it would represent an invaluable help. Could we talk about this by a more private email where I explain in more detail this matter ?. Waiting for your news I greet you affectionately. Juan Jose

@ACCautomation 5 лет назад

@@jjkanal4154 I would do this a different way. Purchase the handheld unit for the K series of controllers. This is the PRO15-E device that will fit in the slot on the CPU. You can then put the PLC in program mode. In this mode, you can turn on monitor the inputs and set the outputs. This is exactly what the handheld device is for doing. Regards, Garry

@hero_big9234 3 года назад

What cable do I use to connect a C28K with a PC?

@ACCautomation 3 года назад

Hi Hero_Big92, There is an interface that is required to connect to the peripheral port on the front of the CPU. It is called a Host Link unit. accautomation.ca/purchase-find-parts/omron-c20k-c28k-c40k-c60k/#Special The RS232 cable is then just a three-wire with some jumped signals on each end. Here is a picture of the cable pinout names. accautomation.ca/wp-content/uploads/2017/05/How-to-implement-the-omron-host-link-protocol-vb-net-050-min.png If you are just looking to quickly read, write and modify the program in your C28K then a less expensive option is to use a handheld programming console. This will do one line at a time. accautomation.ca/purchase-find-parts/omron-c20k-c28k-c40k-c60k/#Peripheral 3G2A6-PRO15-E Regards, Garry

@juanhernandez-dw6rq 5 лет назад

yes

@meganoobgaming3992 2 года назад

do you know how to connect c60H to pc?because i need to printout the program

@ACCautomation 2 года назад

Hi MEGA NooB gaming In order to connect to the PC, you would need a Host Link unit for the PLC. accautomation.ca/purchase-find-parts/omron-c20k-c28k-c40k-c60k/#Special You are looking for a 3G2C7-LK201-EV1 unit. This is an RS232 host link. The software required to retrieve the program and print the ladder logic is called Syswin. You will find this at the link above as well. Syswin will only run on Windows XP. The cheaper alternative is to use a handheld device for the Omron Series PLC. accautomation.ca/purchase-find-parts/omron-c20k-c28k-c40k-c60k/#Peripheral You are looking for a 3G2A6-PRO15-E. This handheld can be used to view the mnemonic code which can then be translated into a ladder on a current software package like the Click Programming Software. accautomation.ca/series/click-plc/ I hope this helps you out. Regards, Garry

@meganoobgaming3992 2 года назад

@@ACCautomation thanks you so much for the information,,i will try it

@meganoobgaming3992 2 года назад

@@ACCautomation on C60H already have RS232 port,is it still need a host link unit?

@ACCautomation 2 года назад

@@meganoobgaming3992 Sorry I was thinking C60K. Syswin (Windows XP) would still be the software that you will need to communicate to the Omron C60H through the DB9 connector on the CPU unit. This post will show you the communication cable pinout. accautomation.ca/implementing-the-omron-host-link-protocol-vb-net/ Regards, Garry

@meganoobgaming3992 2 года назад

@@ACCautomation thank for the information

@juanhernandez-dw6rq 5 лет назад

whit this sofware a can programer the plc c20k c28k,c40k,c60k all the omron the sofware name is the cx programer and this plc is the lss data one answere who is the cable if plc omron for ejemplo c40k have one port db48 fame (woman) pleace who cable

@ACCautomation 5 лет назад

Hi Juan, In order to communicate with software this unit requires an adapter that will mount on the same port as the PRO15 hand held unit. Here is the communication adapter: (Host Link Unit) www.omronkft.hu/nostree/pdfs/plc/cxxk/w182e11a_c_k_host-link-units_system_manual.pdf There are only two software packages that can communicate to the host link for programming: DOS based system - LSS (Ladder Support Software) forums.mrplc.com/index.php?/topic/16805-demo-software-lss-302-dos-software-for-omron-plcs/ forums.mrplc.com/index.php?/topic/501-lss-technical-guide/ Windows based system - Syswin Manual: www.edata.omron.com.au/eData/Software/Windows/Syswin%20V3_4%20Operation%20Manual.pdf Software: forums.mrplc.com/index.php?/topic/33-download-syswin-software-for-omron/ Here are the cable configuration for the host link: www.edata.omron.com.au/eData/PLCs/XW2Z-_DS.pdf Note: This hardware can still be found on Ebay. Hope this helps you out. Regards,

@juanhernandez-dw6rq 3 года назад

@@ACCautomation thenks for answere

@ACCautomation 3 года назад

@@juanhernandez-dw6rq You are welcome. Garry