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+--- Thread: KC-868 COLB - I do not see IP adress (/showthread.php?tid=8590)
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KC-868 COLB - I do not see IP adress - Alois Láska - 09-28-2025
Hi,
I have successfully set up the Kyncony KC-868 A4, and using Node-RED with HTTP requests I can now switch the relay. From here, it’s only a matter of programming the desired algorithm.
But since the A4 has a limited number of analog inputs, we also got the KC-868 COLB.
I have successfully upgraded the firmware of the COLB to the latest version using the guides from the forum.
When I use VirCom or IP Scanner software to search for the COLB device in the network, it doesn’t find any COLB. That’s why the SCB software doesn’t work either.
I connected the COLB via Ethernet cable to a switch that assigns IP addresses through DHCP. The laptop I am using is also connected to the same network.
Could you please tell me where I am making a mistake? Do you have a precise guide or step-by-step instructions on how to connect the COLB?
Additional questions:
– Is it possible to connect the COLB via WiFi as well? I am confused by your guides, it’s not clear to me. If yes please send me some guide how.
– How many DS18B20 digital sensors can be connected to a single channel? Only one?
Thank you very much for your assistence,
ALois
RE: KC-868 COLB - I do not see IP adress - admin - 09-28-2025
COLB not use by Vircom software, just use by web browser. you can take a photo of your controller.
COLB also support wifi + ethernet.
DS18B20 only connect with one input ports, so MAX is 5pcs of DS18B20 connect with COLB.
RE: KC-868 COLB - I do not see IP adress - Alois Láska - 09-29-2025
(09-28-2025, 10:48 PM)admin Wrote: COLB not use by Vircom software, just use by web browser. you can take a photo of your controller.
COLB also support wifi + ethernet.
DS18B20 only connect with one input ports, so MAX is 5pcs of DS18B20 connect with COLB.
Please send me guide how to use with web browser. Or link to dedicated video.
Photo of my COLB attached
RE: KC-868 COLB - I do not see IP adress - admin - 09-29-2025
here is online guide: https://www.kincony.com/how-to-use-kc868-colb-programmable-logic-controller.html
RE: KC-868 COLB - I do not see IP adress - Alois Láska - 10-02-2025
(09-29-2025, 11:05 AM)admin Wrote: here is online guide: https://www.kincony.com/how-to-use-kc868-colb-programmable-logic-controller.html
Finally I managed to connect to the COLB. Thank you for the link!
It seems that your products are very interesting and useful, but what I am struggling with is the lack of clear and concise manuals for the given device.
But your replies on the forum are quick and accurate, which compensates for it a little.
I have another questions:
- On one picture of the COLB I noticed that the input voltage of the AI inputs is only 0–5 V. Therefore, I need to reduce the 0–10 V signal to half – using a standard resistor divider I assume?
- I have KC-868 A4 and KC-868-COLB in the system and I need to measure more temperature points (app 20). Please give me some recomendation from your products how to do it. I thought that it was possible to connect multiple DS18B20 sensors to a single channel, since it is an addressable sensor, but according to your reply this is not possible…
I apologize for the silly questions, but I am trying to get a deeper understanding of your product portfolio and design philosophy. Normally, we either use pre-configured controllers, and for more complex systems we rely on standard PLCs.
thank you
RE: KC-868 COLB - I do not see IP adress - admin - 10-02-2025
1: yes, COLB analog input use by 0-5v, if you want to use 0-10v, need convert.
2: suggest you chose kincony esp32s3 board, because of we will release new KCS v3 firmware, will support one GPIO with multi DS18B20 sensors.
RE: KC-868 COLB - I do not see IP adress - Alois Láska - 10-02-2025
(10-02-2025, 02:37 PM)admin Wrote: 1: yes, COLB analog input use by 0-5v, if you want to use 0-10v, need convert.
2: suggest you chose kincony esp32s3 board, because of we will release new KCS v3 firmware, will support one GPIO with multi DS18B20 sensors.
Please
- send me a link to the mentioned product (you have too many products, that still I am lost in all that verison and variants)
- How many sensors you can have in GPIO in firmware v3? When the fw will be released?
RE: KC-868 COLB - I do not see IP adress - admin - 10-02-2025
1: you can select product by this link: https://mq.kincony.com/qq/product/product-selector
2: maybe after 2-3 weeks will release. max support 30pcs sensors by one gpio.
RE: KC-868 COLB - I do not see IP adress - Alois Láska - 11-03-2025
(10-02-2025, 10:42 PM)admin Wrote: 1: you can select product by this link: https://mq.kincony.com/qq/product/product-selectorHi,
2: maybe after 2-3 weeks will release. max support 30pcs sensors by one gpio.
COLB and A4 works very well!!
Any news about the new fw supports 30pcs temperature sensor on one gpio?
Thanks
RE: KC-868 COLB - I do not see IP adress - admin - 11-03-2025
KinCony ESP32S3 board use by KCS v3 firmware, now support multi DS18B20 sensors by one GPIO, max 32pcs sensors.