Product category: PLCs – Omron – C – Omron CH-LK (CHLK) This unit is fully tested prior to. Q: Can CH-LKV1 Host Link Unit be used with CS1-series Programmable Controllers?. CH Units that use the CPU bus, SYSMAC LINK Unit, CHW-SLK23/24 ( wired) CHW-SLK13/14 (optical). Controller Link Unit, CHW-CLK21 (wired ).
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Started by sokhanh13 Nov Posted 13 Nov Posted 13 Nov edited. Posted 14 Nov Posted 14 Nov edited. Posted 15 Nov Posted 15 Nov edited. Posted 16 Nov edited. Posted 20 Nov Posted 21 Nov Posted lk01 Nov You need to be a member in order to leave a comment. Sign up c020h a new account in our community. Help me with ch-lk Started by sokhanh13 Nov Last week, the cpu couldn’t power on, so I have replaced with a new CPU. Then the PLC cannot connect to Pc.
On the CPU, led “run” is green.
I have tried with an ch-lkv1 but everything is the same. Could anyone help me how to check and slove this problem?
Omron C200H-LK201-V1 Industrial Control System
Share this post Link to post Share on other sites. Welcome to the Forum! Thank you for your reoly! C Series Host Link Units. The dip witches in the host link are correct but still not connect. I have replaced ch-lkv1 by ch-lk and everything is the same. By the way, can you tell me the different between lkV1 and lk?
The DIP switch front are 0;0;5;2 back are off;off;on;off;0v Please help me! If possible, which cable I have to use? The manual in the link I posted above describes these functions. This is a node address.
If this is a 1 to 1 connection between the PC and the PLC then this is probably correct but not guaranteed.
Omron SYSMAC Ch-lk Host Link Unit CHLK | eBay
This is common Omron serial settings. Also the command level is set for a custom application for full read and write. Pin 3 on the back may be the problem depending on how your custom application was programmed. It determines if addressing is required in the event of a muli-link system.
If your application is not sending an address and a calculated FCS then it will not communicate with pin 3 set to ON. Try turning if OFF. For communications with CX Programmer, you should be able to use the same cable that is currently connected to you custom application.
It’s on page 9 in the manual. As far as using the peripheral port Be careful what you plug into it. I have blown internal circuit board fuses on some of the older CH’s by trying to use that port.
On the older ones, it was only intended for the hand held programmer. I did an internet search for your PLC. It is a pre-Alpha series. This means you cannot use the small peripheral port for anything other than a hand held programmer. The long port at the bottom is for a 3G2A6-LK This is basically the same as the rack mounted unit you have. Thank you for your explaination, I have tried with pin 3 on the back OFF but still cannot conect.
Edited 15 Nov by sokhanh. With the information you have provided, there is no way for us to tell. PCMRthat Data will have to be reentered into the appropriate locations. If it is not blinking then you have a bad connection. You should verify the cable. I will check the cable one more time!
I have checked the cable carefullly, the cable should be ok. Can I move the host link to other slot of BB? One of the other old school guys will have to answer this one. What is the part number of your back plane? Neither of them are V1’s. This may or may not be an issue if they are mismatched I would still think you should see the RCV light. Edited 16 Nov by sokhanh. I also tried with this cable LK Coputer But there’s still no RCV light Please help me! And you put it on the first spot left of the CPU.
Try to put il elsewhere. I did notice that both of his modules are in the restricted slots. After revisiting this I found conflicting information in the manuals. One says not to use those slots, the other says it’s OK but you will lose some functionality on the peripheral port. In any case, look here: Remove all the modules from the rack and try the Host Link in another slot.
Omron CH-LK (CHLK) – Axdos AB | PLCSWEDEN | Automation Spare Parts
Maybe the backplane is bad. The PLC configuration does not matter. All the configuration is done with the LK switches.
Maybe the PLC power supply is bad. You’ll need to tell us in more detail what you have done. The restriction is strictly mechanical.
Help me with c200h-lk201
The 25 pin connector would run into the bottom of those peripheral units if you used these slots. No electrical or logical restriction for using these slots with CH-LK The same physical issues occur with high density cards with cables coming out the top. Jay and Bob, Thanks for the feedback! I just didn’t relate the issue when reading the manual. Prev 1 2 Next Page 1 of 2.
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